03-04 2A

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投影机控制代码大全

投影机控制代码大全
松下(日本)
panisonic
开机
02 504F 4E03
关机
02 504F46 03
视频
02 49 49 533A56 49 44 03
电脑
02 49 49 533A52 47 31 03
9600,N,8,1;3RXD,4GND
投影机代码大全
(仅供参考)
索尼(日本)SONYPX11/PX45 TX120/CX80
Sharp
开机
504F57 52 20 20 20 310D
关机
504F57 52 20 20 20 300D
视频
49 56 45 44 20 20 20 310D(后两位或320D)
电脑
49 52 47 42 20 20 20 310D(后两位或320D)
波特率:9600
明基(台湾)
BENQ8225/8235/8125
开机
A9172E00 00 003F 9A
关机
A9172F00 00 003F 9A
视频
A9172A00 00 003F 9A
电脑
A9172B00 00 003F 9A
38400 8 1E(偶校验)投影机2脚接收
SONY
PX40
开机
A9172E00 00 003F 9A
关机
A9172F00 00 003F 9A
爱普生(日本)
Epson720/730/735/520/82030/52/73/53/S1/811 810/800/600/TS10
开机
50 57 52 204F 4E 0D
关机
50 57 52 204F46 460D
视频
534F55 52 43 45 20 34 310D

二三极管丝印查询

二三极管丝印查询

BC847B BC847BT BC847BW BC847B BC847B BC847BW BC847BW BC847BR MMBT5550 PMBT5550 PMBT5550 PMST5550 FMBT5550 BC847C BC847CT BC847C BC847CW BC847CW BC847C BC847CW BC847CR SOA06 FMMT-A06 MMBTA06 PMMTA06 PMMTA06 PMMTA06 MMBTA06 BC847 BC847 BC847W BC847W FMMT-A05 MMBTA05 MMBTA05 SOA05 BC848A BC848A BC848AW FMMT2369 MMBT2369 BCV61A BCV61A PMBT2369 PMBT2369 PMBT2369 MMBT2369A
Zet Phi Phi Sie Sie Sie Roh Roh Mot Roh Nat Sie Sie Roh Roh Roh Mot Mot Nat Phi Phi Phi Phi Phi Sie Sie Mot Roh Roh Phi Phi Sie Sie Phi Phi Tfk Phi Phi Phi Phi Phi Phi Rho Rho Phi Phi Sil
MUN5112DW1 MUN5113DW1 MUN5114DW1 MUN5115DW1 MUN5116DW1 MUN5130DW1 MUN5131DW1 MUN5132DW1 MUN5133DW1 MUN5134DW1 MUN5135DW1 2SC3587 BA277 BB669 MRF9411L PZM10NB2A PZM10NB BZV49-C10 MRF9511L MUN5311DW1 PDTA114EU PDTA114TT PDTA114TT PZM11NB2A MMBD1501A PZM11NB BZV49-C11 MUN5312DW1 DTA123EUA DTA123EKA PDTC114TT PDTC114TT MMBD1502A PZM12NB2A ZC2812E PZM12NB BZV49-C12 DTA143EUA DTA143EKA DTA143ECA BC846BPN BAS125 BAS125W MA4CS103A MUN5313DW1 MMBD1503A PZM13NB2A

2AK系列二极管参数

2AK系列二极管参数

2AK系列⼆极管参数2AK系列⼆极管参数型号PDF资料⼚商特性⽤途极限⼯作电压Vrwm(V)极限⼯作电流Im(A)耗散功率Pw(w)最⾼⼯作频率fm(Hz)代换型号2AK01开关⼆极管102AK02开关⼆极管352AK03开关⼆极管402AK04开关⼆极管402AK05开关⼆极管302AK06开关⼆极管402AK07开关⼆极管402AK1开关⼆极管10 150 2AK10开关⼆极管502AK11开关⼆极管30 0.25 2AK12开关⼆极管352AK13开关⼆极管40 0.25 2AK14开关⼆极管50 0.25 2AK15开关⼆极管12 0.25 2AK16开关⼆极管122AK17开关⼆极管20 0.1 2AK18开关⼆极管35 0.25 2AK19开关⼆极管40 0.25 2AK1A开关⼆极管302AK1B开关⼆极管302AK1C开关⼆极管302AK1D开关⼆极管402AK1E开关⼆极管452AK2开关⼆极管402AK20开关⼆极管40 0.25 2AK2A开关⼆极管102AK2B开关⼆极管202AK2C开关⼆极管302AK2D开关⼆极管502AK2E开关⼆极管30型号PDF资料⼚商特性⽤途极限⼯作电压Vrwm(V)极限⼯作电流Im(A)耗散功率Pw(w)最⾼⼯作频率fm(Hz)代换型号2AK2F开关⼆极管402AK2G开关⼆极管502AK3开关⼆极管302AK4开关⼆极管352AK5开关⼆极管40 0.2 2AK6开关⼆极管50 0.25 2AK7开关⼆极管302AK8开关⼆极管352AK832开关⼆极管1002AK843开关⼆极管100。

常用二极管型号及参数大全

常用二极管型号及参数大全

常用二极管型号及参数大全1.塑封整流二极管序号型号IF VRRM VF Trr 外形A V V μs1 1A1-1A7 1A 50-1000V 1.1 R-12 1N4001-1N4007 1A 50-1000V 1.1 DO-413 1N5391-1N5399 1.5A 50-1000V 1.1 DO-154 2A01-2A07 2A 50-1000V 1.0 DO-155 1N5400-1N5408 3A 50-1000V 0.95 DO-201AD6 6A05-6A10 6A 50-1000V 0.95 R-67 TS750-TS758 6A 50-800V 1.25 R-68 RL10-RL60 1A-6A 50-1000V 1.09 2CZ81-2CZ87 0.05A-3A 50-1000V 1.0 DO-4110 2CP21-2CP29 0.3A 100-1000V 1.0 DO-4111 2DZ14-2DZ15 0.5A-1A 200-1000V 1.0 DO-4112 2DP3-2DP5 0.3A-1A 200-1000V 1.0 DO-4113 BYW27 1A 200-1300V 1.0 DO-4114 DR202-DR210 2A 200-1000V 1.0 DO-1515 BY251-BY254 3A 200-800V 1.1 DO-201AD16 BY550-200~1000 5A 200-1000V 1.1 R-517 PX10A02-PX10A13 10A 200-1300V 1.1 PX18 PX12A02-PX12A13 12A 200-1300V 1.1 PX19 PX15A02-PX15A13 15A 200-1300V 1.1 PX20 ERA15-02~13 1A 200-1300V 1.0 R-121 ERB12-02~13 1A 200-1300V 1.0 DO-1522 ERC05-02~13 1.2A 200-1300V 1.0 DO-1523 ERC04-02~13 1.5A 200-1300V 1.0 DO-1524 ERD03-02~13 3A 200-1300V 1.0 DO-201AD25 EM1-EM2 1A-1.2A 200-1000V 0.97 DO-1526 RM1Z-RM1C 1A 200-1000V 0.95 DO-1527 RM2Z-RM2C 1.2A 200-1000V 0.95 DO-1528 RM11Z-RM11C 1.5A 200-1000V 0.95 DO-1529 RM3Z-RM3C 2.5A 200-1000V 0.97 DO-201AD30 RM4Z-RM4C 3A 200-1000V 0.97 DO-201AD2.快恢复塑封整流二极管序号型号IF VRRM VF Trr 外形A V V μs(1)快恢复塑封整流二极管1 1F1-1F7 1A 50-1000V 1.3 0.15-0.5 R-12 FR10-FR60 1A-6A 50-1000V 1.3 0.15-0.53 1N4933-1N4937 1A 50-600V 1.2 0.2 DO-414 1N4942-1N4948 1A 200-1000V 1.3 0.15-0.5 DO-415 BA157-BA159 1A 400-1000V 1.3 0.15-0.25 DO-416 MR850-MR858 3A 100-800V 1.3 0.2 DO-201AD7 EU1-EU2 0.25A-1A 100-1000V 1.3 0.4 DO-418 20DF1-20DF10 2A 100-1000V 1.3 0.2 DO-159 30DF1-30DF10 3A 100-1000V 1.3 0.2 DO-201AD10 RU1-RU4 0.25A-3A 100-1000V 1.3 0.411 ERA22-02~10 0.5A 200-1000V 1.3 0.4 R-112 ERA18-02~10 0.8A 200-1000V 1.3 0.4 R-113 ERB43-02~10 0.5A 200-1000V 1.3 0.4 DO-4114 ERB44-02~10 1A 200-1000V 1.3 0.4 DO-1515 ERC18-02~10 1.2A 200-1000V 1.3 0.4 DO-1516 ERD28-02~10 1.5A 200-1000V 1.3 0.4 DO-201AD17 ERD29-02~10 2.5A 200-1000V 1.3 0.4 DO-201AD18 ERD32-02~10 3A 200-1000V 1.3 0.4 DO-201AD19 ERD09-13~15 3A 1300-1500V 1.5 0.6 R-5(2)SK、2CG系列快恢复整流二极管1 SK1-02~30 1.5A 200-3000V 1.3-4 0.5-1 DO-152 SK2-02~30 1A 200-3000V 1.3-4 0.5-1 DO-413 SK3-02~30 2A 200-3000V 1.3-4 0.5-1 DO-154 SK4-02~30 0.5A 300-3000V 1.3-4 0.5-1 DO-415 2CG04-2CG30 0.2A 300-3000V 1.3-4 0.5-1 DO-41 (3)快恢复塑封阻尼二极管1 2CN1-2CN1C 1A 200-1200V 1.32 DO-412 2CN2D-2CN2M 0.5A 200-1000V 1.3 2 DO-413 2CN3D-2CN3M 1A 200-1000V 1.3 6 DO-414 2CN4D-2CN4M 1.5A 200-1000V 1.3 0.8 DO-155 2CN5D-2CN5M 1.5A 200-1000V 1.0 1 DO-156 2CN6D-2CN6M 1A 200-1000V 1.3 6 DO-417 2CN12D-2CN12M 3A 200-1000V 1.3 1 DO-201AD8 RH1Z-RH1C 0.6A 200-1000V 1.3 4 DO-419 TVR4J-TVR4N 1.2A 600-1000V 1.2 20 DO-153.超高频塑封二极管1 ERA34-10 0.1A 1000V 3 0.15 R-12 ERA32-02~10 1A 200-1000V 1.3 0.1 DO-413 ERB32-02~10 1.2A 200-1000V 1.3 0.1 DO-154 ERC30-02~10 1.5A 200-1000V 1.3 0.1 DO-155 ERC32-02~10 3A 200-1000V 1.3 0.1 DO-201AD6 EG01E-EG01C 0.5A 200-1000V 2 0.1 DO-417 EG1E-EG1C 1A 200-1000V 1.8 0.1 DO-418 RG10Z-RG10C 1.2A 200-1000V 2 0.1 DO-159 RG2Z-RG2C 1.5A 200-1000V 1.8 0.1 DO-1510 RG4Z-RG4C 3A 200-1000V 2 0.1 D0-201AD4.超快恢复塑封二极管序号型号IF VRRM VF Trr 外形A V V ns(1)超快恢复塑封二极管2 SF80-SF160 8-16A 50-600V 0.95-1.4 35 TO-2203 EGP10-EGP50 1-5A 50-200V 1.1 354 ERC38~04-ERC38~10 1A 400-1000V 1.7 50 DO-415 RL2-RL2C 2A 400-1000V 1.7 50 DO-156 RL3-RL3C 3A 400-1000V 1.7 50 DO-201AD7 1H1-1H8 1A 50-1000V 1.1-1.7 50-75 R-18 HER10-HER60 1-6A 50-1000V 1.1-1.7 50-759 HER80-HER160 8-6A 50-1000V 1.1-1.7 50-75 TO-22010 UF10-UF60 1-6A 50-1000V 1.1-1.7 50-7511 EL1Z-EL1 1.5A 200-350V 1.3 50 DO-15(2)MUR超快恢复整流二极管1 MUR120-MUR1120 1A 200-1200V 0.95-1.5 35-50 DO-412 MUR420-MUR4120 4A 200-1200V 0.95-1.6 35-75 DO-201AD3 MUR820-MUR8120 8A 200-1200V 1.3-2.1 35-75 TO-220AC4 MUR1020-MUR10120 10A 200-1200V 1.3-2.1 35-75 TO-220AC5 MUR1520-MUR15120 15A 200-1200V 1.3-2.1 35-75 TO-220AC6 MUR2020-MUR20120 20A 200-1200V 1.3-2.1 35-75 TO-220AB7 MUR3020-MUR30120 30A 200-1200V 1.3-2.1 35-75 TO-247AD8 MUR6020-MUR60120 60A 200-1200V 1.3-2.1 35-75 TO-247AD (3)RHRP、RHRG超快恢复二极管1 RHRP820-RHRP8120 8A 200-1200V 2.1-3.2 35-70 TO-220AC2 RHRP1520-RHRP15120 15A 200-1200V 2.1-3.2 40-75 TO-220AC3 RHRP3020-RHRP30120 30A 200-1200V 2.1-3.2 45-75 TO-220AC4 RHRG3020-RHRG30120 30A 200-1200V 2.1-3.2 45-75 TO-247AC5 RHRG5020-RHRG50120 50A 200-1200V 2.1-3.2 50-100 TO-247AC6 RHRG6020-RHRG60120 60A 200-1200V 2.1-3.2 45-75 TO-247AD (4)BYV29~79、BYT28~79超快恢复二极管1 BYW29-100~200 8A 100-200V 1.1 25 TO-220AC2 BYV29-300~500 9A 300-500V 1.25 60 TO-220AC3 BYQ28 -100~200 10A 100-200V 1.1 20 TO-220AB4 BYT28-300~500 10A 300-500V 1.4 60 TO-220AB5 BYV79-100~200 14A 100-200V 1.3 30 TO-220AC6 BYT79-300~500 14A 300-500V 1.4 60 TO-220AC7 BYV32-100~200 20A 100-200V 1.1 25 TO-220AB8 BYV34-300~500 20A 300-500V 1.1 60 TO-220AB9 BYV42-100~200 30A 100-200V 1.1 28 TO-220AB10 BYV44-300~500 30A 300-500V 1.25 60 TO-220AB5.肖特基整流二极管序号型号IF VRRM VF 外形A V V(1)肖特基塑封整流二极管1 1N5817-1N5819 1A 20-40V 0.45-0.6 DO-412 1N5820-1N5822 3A 20-40V 0.45-0.6 DO-201AD4 SR10-SR50 1-5A 20-100V 0.55-0.855 SB120-SB1B0 1A 20-100V 0.55-0.85 DO-416 SB220-SB2B0 2A 20-100V 0.55-0.85 DO-157 SB320-SB3B0 3A 20-100V 0.55-0.85 DO-201AD8 SB520-SB5B0 5A 20-100V 0.55-0.85 D0-201AD9 ERA81-002~009 1A 20-90V 0.55-0.9 DO-4110 ERB81-002~009 2A 20-90V 0.55-0.9 DO-1511 ERC81-002~009 3A 20-90V 0.55-0.9 DO201AD12 EK03-EK09 1A 20-90V 0.55-0.81 DO-4113 EK13-EK19 1.5A 20-90V 0.55-0.81 DO-1514 EK33-EK39 2A 20-90V 0.55-0.81 DO-1515 EK43-EK49 3A 20-90V 0.55-0.81 DO-201AD(2)MBR、PBYR系列大电流肖特基整流二极管1 MBR1020-MBR1060 10A 20-60V 0.57-0.8 TO-220AC2 MBR1620-MBR1660 16A 20-60V 0.57-0.8 TO-220AC3 MBR2020CT-2060CT 20A 20-60V 0.57-0.8 TO-220AB4 MBR2520CT-2560CT 25A 20-60V 0.57-0.8 TO-220AB5 MBR3020PT-3060PT 30A 20-60V 0.57-0.8 TO-247AD6 MBR4020PT-4060PT 40A 20-60V 0.57-0.8 TO-247AD7 MBR6020PT-6060PT 60A 20-60V 0.57-0.8 TO-247AD8 PBYR735-745 7A 20-45V 0.56-0.66 TO-220AC9 PBYR1020-1060 10A 20-60V 0.56-0.77 TO-220AC10 PBYR1635-1660 16A 20-60V 0.56-0.77 TO-220AC11 PBYR2020CT-2045CT 20A 20-45V 0.56-0.65 TO-220AB12 PBYR3035PT-3060PT 30A 20-60V 0.56-0.77 TO-247AD 6.玻球快恢复二极管、玻钝芯片塑封二极管序号型号IF VRRM VF Trr 外形A V V ns(1)BYV、BYT、BYM、BYW玻球快恢复二极管1 BYV26A-BYV26E 1A 200-1000V 1.5 0.03 DO-204AP2 BYV12-BYV16 1.5A 100-1000V 1.5 0.3 DO-204AP3 BYV96A-BYV96E 1.5A 100-1000V 1.5 0.3 DO-204AP4 BYV27-50~200 2A 50-200V 1.1 0.025 DO-204AP5 BYV28-50~200 3.5A 50-200V 1.1 0.03 G36 BYT52A-BYT52M 1A 50-1000V 1.3 0.2 DO-204AP7 BYT54A-BYT54M 1.25A 50-1000V 1.5 0.1 DO-204AP8 BYT53A-BYT53M 1.5A 50-1000V 1.1 0.05 DO-204AP9 BYT56A-BYT56M 3A 200-1000V 1.4 0.1 G310 BYM26A-BYM26M 2.3A 200-1000V 1.5 0.03 G311 BYM36A-BYM36M 3A 200-1000V 1.1 0.15 G312 BYW32-BYW38 2A 200-1000V 1.1 0.2 DO-204AP13 BYW52-BYW56 2A 200-1000V 1.1 4 DO-204AP14 BYW72-BYW76 3A 200-600V 1.1 0.2 G315 BYW96A-BYW96E 3A 200-1000V 1.5 0.2 G316 BY228 3A 1500V 1.5 20 G3(2)GP、RGP系列玻钝芯片塑封二极管17 GP10-GP30 1-3A 50-1000V 1.118 RGP01-10~RGP01-20 0.1A 1000-2000V 2 0.2-0.5 DO-4119 RGP05-10~RGP05-20 0.5A 1000-2000V 2 0.2-0.5 DO-4120 RGP10-RGP60 1-6A 50-2000V 1.3 0.15-0.57.PD、TR、PR系列高压塑封二极管1 PD0112-PD0160 0.1A 1200-6000V 1.2-5 DO-412 PD0312-PD0360 0.3A 1200-6000V 1.2-5 DO-153 PD0512-PD0560 0.5A 1200-6000V 1.2-5 DO-154 PD112-PD130 1A 1200-3000V 1.2-4 DO-155 PD1512-PD1530 1.5A 1200-3000V 1.2-4 DO-156 PD212-PD220 2A 1200-2000V 1.2-2.5 DO-201AD7 PD312-PD320 3A 1200-2000V 1.2-2.5 DO-201AD8 PD612-PD620 6A 1200-2000V 1.2-2.5 R-69 TR0112-TR0160 0.1A 1200-6000V 1.5-8 0.5-0.8 DO-4110 TR0312-TR0360 0.3A 1200-6000V 1.5-8 0.5-0.8 DO-1511 TR0512-TR0560 0.5A 1200-6000V 1.5-8 0.5-0.8 DO-1512 TR112-TR130 1A 1200-3000V 1.5-6 0.5-0.8 DO-1513 TR1512-TR1530 1.5A 1200-3000V 1.5-6 0.5-0.8 DO-1514 TR212-TR220 2A 1200-2000V 1.5-2.7 0.5-0.8 DO-201AD15 TR312-TR320 3A 1200-2000V 1.5-2.7 0.5-0.7 DO-201AD16 TR612-TR620 6A 1200-2000V 1.5-2.7 0.5-0.8 R-617 PR01-PR1 0.1-1A 1200-3000V 1.5-4 0.1-0.5 DO-1518 RC2 0.3A 2000V 3 0.5 DO-4119 RU4D-RP3F 1.5A-2A 1300-1500V 1.5 0.3 DO-201AD 8.稳压二极管序号名称型号PZM VZW V稳压二极管1 BZX55 0.5W 2.4V-47V2 1N5985B~1N6031B 0.5W 2.4V-200V3 1N4728~1N4764 1W 3.3V-100V4 1N5911B~1N5956B 1.5W 2.7V-200V5 2CW37-2.4~36 0.5W 2.4V-36V6 2CW51-2CW68 0.25W 3V-28.5V7 2CW101-2CW121 1W 3V-37.5V8 2DW50-2DW64 1W 41V-190V9 2DW80-2DW190 3W 41V-190V10 2DW110-2DW151 10W 4.3V-470V11 2DW170-2DW202 50W 4.3V-200V12 温度补偿稳压二极管2DW230-2DW236 0.2W 5.8V-6.6V 9.高速开关二极管序号型号IC VRM Trr 外形mA V ns1 1N4148 150 100V 4 DO-352 1N4149-1N4154 150 35-100V 2-4 DO-353 1N4446-1N4454 150 40-100V 1-4 DO-354 1N914 75 100V 4 DO-355 BAV17-BA V21 250 25-250V 50 DO-356 BAW75-BAW76 300 35-75V 4 DO-357 2CK70-2CK79 10-280 20-60V 3-10 DO-358 2CK80-2CK85 10-300 20-60V 5-10 DO-359 1S1553-1S1555 100 70-35V 3 DO-3510 1S2471-1S2473 130-110 90-40V 3 DO-35几种常用二极管的特点1.整流二极管整流二极管结构主要是平面接触型,其特点是允许通过的电流比较大,反向击穿电压比较高,但PN结电容比较大,一般广泛应用于处理频率不高的电路中。

UBLOX常用设置参数 (2)

UBLOX常用设置参数 (2)

UBLOX常用设置参数可以通过串口发送指令,如果使用电脑串口软件发送设置命令的时候需要选 HEX 。

UBLOX模块上电初始化需要300ms,UBLOX模块上电300ms之后,请从CPU经由串口发送以下十六进制配置命令:1.关闭输出命令/**********************************************************************************************/24 45 49 47 50 51 2c 44 54 4d 2a 33 42 0d 0a b5 62 06 01 03 00 f0 0a 00 04 23 --> Close GPDTM OutPut 24 45 49 47 50 51 2c 47 42 53 2a 33 30 0d 0a b5 62 06 01 03 00 f0 09 00 03 21 --> Close GPGBS OutPut 24 45 49 47 50 51 2c 47 47 41 2a 32 37 0d 0a b5 62 06 01 03 00 f0 00 00 fa 0f --> Close GPGGA OutPut 24 45 49 47 50 51 2c 47 4c 4c 2a 32 31 0d 0a b5 62 06 01 03 00 f0 01 00 fb 11 --> Close GPGLL OutPut 24 45 49 47 50 51 2c 47 52 53 2a 32 30 0d 0a b5 62 06 01 03 00 f0 06 00 00 1b --> Close GPGRS OutPut 24 45 49 47 50 51 2c 47 53 41 2a 33 33 0d 0a b5 62 06 01 03 00 f0 02 00 fc 13 --> Close GPGSA OutPut 24 45 49 47 50 51 2c 47 53 54 2a 32 36 0d 0a b5 62 06 01 03 00 f0 07 00 01 1d --> Close GPGST OutPut 24 45 49 47 50 51 2c 47 53 56 2a 32 34 0d 0a b5 62 06 01 03 00 f0 03 00 fd 15 --> Close GPGSV OutPut 24 45 49 47 50 51 2c 52 4d 43 2a 33 41 0d 0a b5 62 06 01 03 00 f0 04 00 fe 17 --> Close GPRMC OutPut 24 45 49 47 50 51 2c 56 54 47 2a 32 33 0d 0a b5 62 06 01 03 00 f0 05 00 ff 19 --> Close GPVTG OutPut 24 45 49 47 50 51 2c 5a 44 41 2a 33 39 0d 0a b5 62 06 01 03 00 f0 08 00 02 1f --> Close GPZDA OutPut /*********************************************************************************************/2.打开输出命令/*************************************************************************************************/ 24 45 49 47 50 51 2c 44 54 4d 2a 33 42 0d 0a b5 62 06 01 03 00 f0 0a 01 05 24 --> Open GPDTM OutPut 24 45 49 47 50 51 2c 47 42 53 2a 33 30 0d 0a b5 62 06 01 03 00 f0 09 01 04 22 --> Open GPGBS OutPut 24 45 49 47 50 51 2c 47 47 41 2a 32 37 0d 0a b5 62 06 01 03 00 f0 00 01 fb 10 --> Open GPGGA OutPut 24 45 49 47 50 51 2c 47 4c 4c 2a 32 31 0d 0a b5 62 06 01 03 00 f0 01 01 fc 12 --> Open GPGLL OutPut 24 45 49 47 50 51 2c 47 52 53 2a 32 30 0d 0a b5 62 06 01 03 00 f0 06 01 01 1c --> Open GPGRS OutPut 24 45 49 47 50 51 2c 47 53 41 2a 33 33 0d 0a b5 62 06 01 03 00 f0 02 01 fd 14 --> Open GPGSA OutPut 24 45 49 47 50 51 2c 47 53 54 2a 32 36 0d 0a b5 62 06 01 03 00 f0 07 01 02 1e --> Open GPGST OutPut 24 45 49 47 50 51 2c 47 53 56 2a 32 34 0d 0a b5 62 06 01 03 00 f0 03 01 fe 16 --> Open GPGSV OutPut 24 45 49 47 50 51 2c 52 4d 43 2a 33 41 0d 0a b5 62 06 01 03 00 f0 04 01 ff 18 --> Open GPRMC OutPut 24 45 49 47 50 51 2c 56 54 47 2a 32 33 0d 0a b5 62 06 01 03 00 f0 05 01 00 1a --> Open GPVTG OutPut 24 45 49 47 50 51 2c 5a 44 41 2a 33 39 0d 0a b5 62 06 01 03 00 f0 08 01 03 20 --> Open GPZDA OutPut /************************************************************************************************** /3.设置波特率/************************************************************************************************** /设置 4800b5 62 06 00 14 00 01 00 00 00 d0 08 00 00 c0 12 00 00 07 00 07 00 00 00 00 00 d3 fc b5 62 06 00 01 00 01 08 22设置 9600b5 62 06 00 14 00 01 00 00 00 d0 08 00 00 80 25 00 00 07 00 07 00 00 00 00 00 a6 cd b5 62 06 00 01 00 01 08 22设置 38400b5 62 06 00 14 00 01 00 00 00 d0 08 00 00 00 96 00 00 07 00 07 00 00 00 00 00 97 a8设置19200B5 62 06 00 14 00 01 00 00 00 D0 08 00 00 00 4B 00 00 07 00 03 00 00 00 00 00 48 57 B5 62 06 00 01 00 01 08 22设置 115200b5 62 06 00 14 00 01 00 00 00 d0 08 00 00 00 c2 01 00 07 00 07 00 00 00 00 00 c4 96 b5 62 06 00 01 00 01 08 22/************************************************************************************************** /5.UBLOX 工作模式切换*************************************************************************************************** 0-portableB5 62 06 24 24 00 FF FF 00 03 00 00 00 00 10 27 00 00 05 00 FA 00 FA 00 64 00 2C 01 00 3C 00 0000 00 00 00 00 00 00 00 00 00 4C 1C B5 62 06 24 00 00 2A 841-FixedB5 62 06 24 24 00 FF FF 01 03 00 00 00 00 10 27 00 00 05 00 FA 00 FA 00 64 00 2C 01 00 3C 00 00 00 00 00 00 00 00 00 00 00 00 4D 3E B5 62 06 24 00 00 2A 842-StationaryB5 62 06 24 24 00 FF FF 02 03 00 00 00 00 10 27 00 00 05 00 FA 00 FA 00 64 00 2C 01 00 3C 00 00 00 00 00 00 00 00 00 00 00 00 4E 60 B5 62 06 24 00 00 2A 843-PedestrianB5 62 06 24 24 00 FF FF 03 03 00 00 00 00 10 27 00 00 05 00 FA 00 FA 00 64 00 2C 01 00 3C 00 00 00 00 00 00 00 00 00 00 00 00 4F 82 B5 62 06 24 00 00 2A 844-AutomotiveB5 62 06 24 24 00 FF FF 04 03 00 00 00 00 10 27 00 00 05 00 FA 00 FA 00 64 00 2C 01 00 3C 00 00 00 00 00 00 00 00 00 00 00 00 50 A4 B5 62 06 24 00 00 2A 845-SeaB5 62 06 24 24 00 FF FF 05 03 00 00 00 00 10 27 00 00 05 00 FA 00 FA 00 64 00 2C 01 00 3C 00 00 00 00 00 00 00 00 00 00 00 00 51 C6 B5 62 06 24 00 00 2A 846-Airborne 1B5 62 06 24 24 00 FF FF 06 03 00 00 00 00 10 27 00 00 05 00 FA 00 FA 00 64 00 2C 01 00 3C 00 00 00 00 00 00 00 00 00 00 00 00 52 E8 B5 62 06 24 00 00 2A 847-Airborne 2B5 62 06 24 24 00 FF FF 07 03 00 00 00 00 10 27 00 00 05 00 FA 00 FA 00 64 00 2C 01 00 3C 00 00 00 00 00 00 00 00 00 00 00 00 53 0A B5 62 06 24 00 00 2A 848-Airborne 4gB5 62 06 24 24 00 FF FF 08 03 00 00 00 00 10 27 00 00 05 00 FA 00 FA 00 64 00 2C 01 00 3C 00 00 00 00 00 00 00 00 00 00 00 00 54 2C B5 62 06 24 00 00 2A 846.UBLOX 输出 1HZ - 5HZ模式切换*************************************************************************************************5S 模式B5 62 06 08 06 00 88 13 01 00 01 00 B1 49 B5 62 06 08 00 00 0E 305HZ模式B5 62 06 08 06 00 C8 00 01 00 01 00 DE 6A B5 62 06 08 00 00 0E 304HZ 模式B5 62 06 08 06 00 FA 00 01 00 01 00 10 96 B5 62 06 08 00 00 0E 301HZ 模式B5 62 06 08 06 00 E8 03 01 00 01 00 01 3910HZ 模式B5 62 06 08 06 00 64 00 02 00 01 00 7B 16 B5 62 06 08 00 00 0E 30***************************************************************************************************7.离线AGPS,自动计算3天的星历AssistNow Autonomous Status命令:B5 62 06 23 28 00 00 00 4C 46 00 00 00 00 00 00 03 10 07 00 00 00 00 00 43 06 00 00 00 00 00 00 00 01 00 00 78 00 00 00 00 00 00 00 00 00 BF CA***************************************************************************************************8.常用工作模式:*************************************************************************************************** portable 3D PDOP mask 10,TDOP mask 10,P ACC、TACC 100,STH 0.6B5 62 06 24 24 00 FF FF 00 02 00 00 00 00 10 27 00 00 05 00 64 00 64 00 64 00 64 00 3C 00 00 00 00 00 00 00 00 00 00 00 00 00 56 0C B5 62 06 24 00 00 2A 841.3D Only PDOP Mask150 TDOP Mask150 P Accyracy Mask100 P Accyracy Mask300 Static Hold Threshold2m/s B5 62 06 24 24 00 FF FF 00 02 00 00 00 00 10 27 00 00 05 00 DC 05 DC 05 64 00 2C 01 C8 3C 00 00 00 00 00 00 00 00 00 00 00 00 E1 C7 B5 62 06 24 00 00 2A 842.3D Only PDOP Mask150 TDOP Mask150 P Accyracy Mask200 P Accyracy Mask200 Static Hold Threshold2m/s B5 62 06 24 24 00 FF FF 00 02 00 00 00 00 10 27 00 00 05 00 DC 05 DC 05 C8 00 C8 00 C8 3C 00 00 00 00 00 00 00 00 00 00 00 00 E0 80 B5 62 06 24 00 00 2A 843.3D Only PDOP Mask150 TDOP Mask150 P Accyracy Mask200 P Accyracy Mask200 Static Hold Threshold1m/s B5 62 06 24 24 00 FF FF 00 02 00 00 00 00 10 27 00 00 05 00 DC 05 DC 05 C8 00 C8 00 64 3C 00 00 00 00 00 00 00 00 00 00 00 00 7C 08 B5 62 06 24 00 00 2A 84车载 3D PDOP mask 10,TDOP mask 10,P ACC、TACC 100,STH 1B5 62 06 24 24 00 FF FF 04 02 00 00 00 00 10 27 00 00 05 00 96 00 96 00 64 00 64 00 64 3C 00 00 00 00 00 00 00 00 00 00 00 00 22 04 B5 62 06 24 00 00 2A 84***************************************************************************************************配置1:Portable(便携应用)模式,只使用3D定位,PDOP,TDOP门限值均为10,P Accuracy Mask,T Accuracy Mask 均为50m,Static Hold Threshold为0.5m/s。

典范英语新版第四册与旧版书目区别

典范英语新版第四册与旧版书目区别
2b:13-18
Lesson 11: Missing
Lesson 12: The Real Floppy
Lesson 13: The Raft Race
Lesson 14: The Spaceship
Lesson 15: Dragon Danger
Lesson 16: King of the Castle
Lesson 29: Gran and the Go-karts
Lesson 30: Helicopter Rescue
3b(30课)
旧版书目
Lesson 1: House for Sale
2b:19-21
Lesson 2: The New House
Lesson 3: Come In!
Lesson 4: Nobody Got Wet
Lesson 30: The Foggy Day
2b(30课)
旧版书目
Lesson 1: Poor Old Rabbit!
2a:07-12
Lesson 2: Super Dad!
Lesson 3: I Can Trick a Tiger
Lesson 4: The Monster Hunt
Lesson 5: Floppy and the Bone
Lesson 12: What Is It?
Lesson 13: The Big Egg
1b:19-24
Lesson 14: A Present for Mum
Lesson 15: The Hole in the Sand
Lesson 16: In a Bit
Lesson 17: Poor Floppy
3a-14
Lesson 24: Yasmin’s Dress

DLP大屏代码

DLP大屏代码
12 14 34 31 0A 00 00 22 21 13
12 14 34 32 0A 00 00 22 22 13
左RGB 右视频
12 14 31 31 0A 00 00 22 11 13
12 14 31 32 0A 00 00 22 12 13
12 14 32 31 0A 00 00 22 21 13
12 14 32 32 0A 00 03 11 11 13
12 14 33 32 0A 00 03 11 11 13
12 14 34 32 0A 00 03 11 11 13
视频直通:左右分屏
12 14 31 31 0A 00 03 22 11 13
12 14 31 32 0A 00 03 22 12 13
左2个小视频(全为11) 右一个大RGB(3*2)
12 14 31 31 0A 00 03 11 11 13
12 14 31 32 0A 00 03 11 11 13
12 14 32 31 0A 00 00 32 11 13
12 14 32 32 0A 00 00 32 12 13
5.全单一个RGB(2*3)
12 14 31 31 0A 00 00 32 11 13
12 14 32 31 0A 00 00 32 21 13
12 14 33 31 0A 00 00 32 31 13
12 14 31 32 0A 00 00 32 12 13
12 14 32 32 0A 00 00 32 22 13
12 14 34 32 0A 00 03 22 22 13
视频直通:单个
12 14 31 31 0A 00 03 42 11 13

常用二极管型号及参数大全-推荐下载

常用二极管型号及参数大全-推荐下载
பைடு நூலகம்
对全部高中资料试卷电气设备,在安装过程中以及安装结束后进行高中资料试卷调整试验;通电检查所有设备高中资料电试力卷保相护互装作置用调与试相技互术通关,1系电过,力管根保线据护敷生高设产中技工资术艺料0不高试仅中卷可资配以料置解试技决卷术吊要是顶求指层,机配对组置电在不气进规设行范备继高进电中行保资空护料载高试与中卷带资问负料题荷试2下卷2,高总而中体且资配可料置保试时障卷,各调需类控要管试在路验最习;大题对限到设度位备内。进来在行确管调保路整机敷使组设其高过在中程正资1常料中工试,况卷要下安加与全强过,看度并22工且22作尽22下可22都能22可地护以缩1关正小于常故管工障路作高高;中中对资资于料料继试试电卷卷保破连护坏接进范管行围口整,处核或理对者高定对中值某资,些料审异试核常卷与高弯校中扁对资度图料固纸试定,卷盒编工位写况置复进.杂行保设自护备动层与处防装理腐置,跨高尤接中其地资要线料避弯试免曲卷错半调误径试高标方中高案资等,料,编试要5写、卷求重电保技要气护术设设装交备备置底4高调、动。中试电作管资高气,线料中课并敷3试资件且、设卷料中拒管技试试调绝路术验卷试动敷中方技作设包案术,技含以来术线及避槽系免、统不管启必架动要等方高多案中项;资方对料式整试,套卷为启突解动然决过停高程机中中。语高因文中此电资,气料电课试力件卷高中电中管气资壁设料薄备试、进卷接行保口调护不试装严工置等作调问并试题且技,进术合行,理过要利关求用运电管行力线高保敷中护设资装技料置术试做。卷到线技准缆术确敷指灵设导活原。。则对对:于于在调差分试动线过保盒程护处中装,高置当中高不资中同料资电试料压卷试回技卷路术调交问试叉题技时,术,作是应为指采调发用试电金人机属员一隔,变板需压进要器行在组隔事在开前发处掌生理握内;图部同纸故一资障线料时槽、,内设需,备要强制进电造行回厂外路家部须出电同具源时高高切中中断资资习料料题试试电卷卷源试切,验除线报从缆告而敷与采设相用完关高毕技中,术资要资料进料试行,卷检并主查且要和了保检解护测现装处场置理设。备高中资料试卷布置情况与有关高中资料试卷电气系统接线等情况,然后根据规范与规程规定,制定设备调试高中资料试卷方案。

第03-04次课 炸药与爆炸理论(一)

第03-04次课 炸药与爆炸理论(一)

梯恩梯——敏 化 剂 木 食 煤矿 岩石 粉——松 散 剂 盐——消 焰 剂 井下——氧平衡近于零, 限制有毒有害气体产生
井巷设计与施工
SHAFT SINGKING AND DRIFTING
殉爆距离:主动药包引起被动药 包爆炸的 最大距离
井巷设计与施工
SHAFT SINGKING AND DRIFTING
起爆药 猛炸药 发射药
十、炸药分类 单质炸药
炸 药
混合炸药
硝铵炸药 铵油炸药 高威力硝铵炸药 浆状炸药 水胶炸药 乳化炸药 硝化甘油炸药
井巷设计与施工
SHAFT SINGKING AND DRIFTING
冲击波:一种炸药 爆炸后在介质中产 生的传播速度高于 介质声速的一种压 缩波。
井巷设计与施工
SHAFT SINGKING AND DRIFTING
爆轰波:在炸药中传播的,带有爆炸反应的冲击波。
爆 速:爆轰波的传播速度。
井巷设计与施工
爆热
六、炸药爆炸的 热力学参数
爆温 爆容 爆压
井巷设计与施工
SHAFT SINGKING AND DRIFTING
1、爆热:单位质量炸药在定容条件下爆炸时放出的热量。 单位:kJ/mol或kJ/kg 盖斯定律:化学反应的热效应与反应进行的路径无关,而只 取决于反应的初态与终态
Q Q1 Q2 Q 炸药的爆热 Q1 爆炸产物的生成热 Q2 炸药的生成热
井巷设计与施工
SHAFT SINGKING AND DRIFTING
化学爆炸: 爆炸前后,不仅物质的物态发生了急剧变 化,而且物质的化学成分也发生了改变, 这类爆炸叫化学爆炸。 常见的化学爆炸:炸药、瓦斯与煤(粉) 尘爆炸。

卫星列表

卫星列表

Western HemisphereLocation Satellite SatellitebusSourceOperator TypeCoverageLaunchdate/rocket(GMT)AlllocationsRemarksAs of148.0°W EchoStar-1LockheedMartinAS-7000USEchostar/DISHNetworkDirectBroadcasting28December1995, LongMarch 2E119°W(1996-1999),148.0°W(1999—)Scheduled to moveto 77°Wsoon2009-02-06139.0°W Americom-8LockheedMartinA2100AUSSES Americom& AT&TAlascomTelevisionand radiobroadcasting24 Cband(Canada,Caribbean,mainlandUSA)19December2000,Ariane 5GPreviouslyGE-8 forGEAmericom; alsoknown asAurora III;replacedSatcomC-5 inMarch20012008-11-20137.0°W Americom-7LockheedMartinUS SES AmericomTelevisionand radioMainlandUSA,14SeptemberPreviouslyGE-7 for2008-11-20A2100A broadcasting Canada,Mexico2000,Ariane 5GGEAmericom135.0°W Americom-10LockheedMartinA2100AUS SES AmericomTelevisionand RadioBroadcastingMainlandUSA,Canada,Caribbean, Mexico5 February2004, AtlasII AS2008-11-20133.0°W Galaxy-12 OrbitalSciencesCorporationStar-2US IntelsatTelevision/RadioBroadcasting9 April2003,Ariane 5G123.0°WreplacedfailedGalaxy 15131.0°W Americom-11LockheedMartinA2100AUS SES AmericomTelevisionand RadioBroadcasting24C-BandTranspondersMainlandUSA,Canada,Caribbean, Mexico19 May2005, AtlasII AS2008-11-20129.0°W Galaxy-27SpaceSystems/Loral FS-1300US IntelsatTelevisionbroadcasting & SatelliteInternetAccess25September1999,Ariane 44LPFormerlyknown asIA-7 andTelstar-72008-11-20Ciel-2ThalesAlenia SpaceSpacebus4000 C4CanadaCiel SatelliteGroupDirectBroadcasting10December2008,Proton-MLeased toEchostar/DishNetwork2009-02-06127.0°W Galaxy-13BoeingBSS-601US Intelsat24C-Bandtransponders1 October2003,Zenit-3SLSamesatelliteasHorizons-12008-11-20Horizons-1BoeingBSS-601USJapan SatelliteSystems24Ku-Bandtransponders1 October2003,Zenit-3SLSamesatelliteasGalaxy-132008-11-20125.0°W Galaxy-14 OrbitalSciencesCorporationStar-2US Intelsat24C-Bandtransponders -NorthAmerica13 August2005,Soyuz-FG/Fregat2008-11-20123.0°W Galaxy-18 SpaceSystems/Loral LS-1300US IntelsatTelevisionand radiobroadcastingNorthAmerica21 May2008,Zenit-3SLHybridC/Ku-band satellite2008-11-19121.0°W Galaxy-23SpaceSystems/LorUS IntelsatDirectBroadcastinNorthAmerica7 August2003,HybridC/Ku/Ka-b2008-11-26al FS-1300 g Zenit-3SL andsatellite;C-bandpayloadreferred toasGalaxy-23EchoStar-9 SpaceSystems/Loral FS-1300USEchostar/DISHNetworkDirectBroadcastingNorthAmerica7 August2003,Zenit-3SLHybridC/Ku/Ka-bandsatellite;Ku/Ka-bandpayloadreferred toasEchoStar-92008-11-26119.0°W DirecTV-7SSpaceSystems/Loral LS-1300US DirecTVDirectBroadcasting54Ku-bandtransponders4 May 2004,Zenit-3SL8 activetransponders at thistime2008-11-26EchoStar-7LockheedMartinA2100AXUSEchostar/DISHNetworkDirectBroadcasting32Ku-bandtranspond21 February2002, AtlasIII B21 activetransponders at this2008-11-26ers time118.8°W Anik F3EADSAstriumEurostar-3000SCanada Telesat CanadaDirectBroadcasting24C-bandtransponders, 32Ku-bandtransponders, 2Ka-bandtransponders11 April2007,ProtonKu-Bandleased toEchostar/DishNetwork2008-11-26116.8°W SatMex-5HughesHS-601HPMexico Satmex24C-bandtransponders, 24Ku-bandtransponders5 December1998,Ariane 42L2008-11-26115.0°W XM-Blues US30 October2006,Zenit-3SL Solidaridad-2Mexico Satmex8 October1994,Ariane 44L113.0°W Satmex-6Mexico Satmex27 May2006, Ariane 5-ECA111.1°W Anik F2Boeing 702 Canada Telesat Canada DirectBroadcasting17 July2004,Ariane 5GHybridC/Ku/Ka-bandsatellite110.0°W EchoStar-11SpaceSystems/Loral LS-1300USEchostar/DISHNetworkDirectBroadcasting17 July2008,Zenit-3SL2008-11-19EchoStar-10A2100AXS USEchostar/DISHNetworkDirectBroadcasting15 February2006,Zenit-3SLDirecTV-5LS-1300US DirecTVDirectBroadcasting7 May 2002,Proton32Ku-bandtransponders107.3°W Anik F1Boeing 702 Canada Telesat CanadaDirectBroadcasting21November2000,Ariane 44LHybridC/Ku-band satellite;will bereplacedby AnikF1RAnik F1R Eurostar-300Canada Telesat Canada Direct 8 Hybrid0Broadcasting, WAASPRN #138 September2005,ProtonC/Ku-band satellite;willreplaceAnik F1105.0°W AMC-18A2100A US SES AmericomDirectBroadcastingMainlandUSA,Canada,Caribbean, Mexico8 December2006,Ariane 5Americom-15A2100AXS US SES AmericomDirectBroadcastingCONUS,Alaska,Hawaii15 October2004,Proton-MHybridKu/Ka-bandsatellite;twin ofAmericom-16103.0°W Americom-1A2100A US SES AmericomMainlandUSA,Canada,Mexico,Caribbean8September1996, AtlasII AHybridC/Ku-band satellite102.8°W SPACEWAY-1Boeing 702 US DirecTVDirectBroadcastin26 April2005,g Zenit-3SL101.2°W DirecTV-4SBoeing 601 US DirecTVDirectBroadcasting27November2001,Ariane 44LP48Ku-bandtransponders101.1°W DirecTV-9SLS-1300US DirecTVDirectBroadcasting13 October2006,Ariane5-ECA101.0°W AMC-4A2100AX US SES Americom MainlandUSA,Canada,Mexico,Caribbean, CentralAmerica13November1999,Ariane 44LPHybridC/Ku-band satellite100.8°W DirecTV-8LS-1300US DirecTV DirectBroadcasting22 May2005,ProtonHybridKu/Ka-bandsatellite99.2°W SPACEWAY-2US16November 2005,Ariane5-ECA99.0°W Galaxy-16FS-1300Intelsat 18 June 2006, Zenit-3SL97.0°W Galaxy-19SpaceSystems/Loral FS-1300US IntelsatTelevisionand RadioBroadcasting24 C- and28Ku-bandtransponders NorthAmerica24September2008,Zenit-3SL2008-11-2095.0°W Galaxy 3C US 15 June 2002, Zenit-3SL93.0°W Galaxy-26SSLFS-1300US15 February1999,Proton-K91.0°W Nimiq 1A2100AX Canada Telesat CanadaDirectBroadcasting20 May1999,Proton32Ku-bandtranspondersGalaxy 17Spacebus-3000B3US IntelsatTelevisionand radiobroadcastingNorthAmerica4 May 2007,Ariane5-ECA74°WJuly 2007to March2008HybridC/Ku-band satellite2008-06-1389.0°W Galaxy-28FS-1300ITSO Intelsat TheAmericas23 June2005,HybridC/Ku/Ka-bZenit-3SL andsatellite;launchedasTelstar 887.0°W AMC 3A2100A US SES Americom MainlandUSA,Canada,Mexico,Caribbean4September1997, AtlasII AHybridC/Ku-band satellite85.0°W XM-RhythmBoeing 702 USXM SatellieRadio HoldingsRadioBroadcastingCONUS28 February2005,Zenit-3SLAmericom-2A2100A US SES AmericomDirectBroadcastingMainlandUSA,Canada,Mexico30 January1997,Ariane 44LAmericom-16A2100AXS US SES AmericomDirectBroadcastingCONUS,Alaska,Hawaii17December2004, AtlasV (521)HybridKu/Ka-bandsatellite;twin ofAmericom-1584.0°W Brasilsat-B3Brazil4 February1998,Ariane 44LP83.0°W Americom-93000B3US SES AmericomDirectBroadcastingCONUS,Canada,Mexico,CentralAmerica,Caribbean7 June2003,ProtonHybridC/Ku-band satellite82.0°W Nimiq 2A2100AX Canada Telesat CanadaDirectBroadcasting29December2002,ProtonHybridKu/Ka-bandsatellite Nimiq 3HS-601Telesat CanadaDirectBroadcasting9 June1995,Ariane 42PPreviouslyDirecTV-3forDirecTV80.9°W SBS-6HS-393 US Intelsat Televisionand RadioBroadcasting12 October1990,Ariane 44L74°WNov 1995to Jan2008Beyondexpectedend of life.ServesArgentinanow2008-06-1379.0°W Americom Spacebus-20US SES Americom CONUS, 28 October-500 Canada,Mexico 1998, Ariane 44LSatcom C3US10September1992,Ariane 44LPInclinedorbit77.0°W EchoStar-4A2100AX USEchostar/DISHNetworkDirectBroadcasting8 May 1998,ProtonspareEchoStar-8FS-1300USEchostar/DISHNetworkDirectBroadcasting21 August2002,Proton110°W2008-11-1976.8°W Galaxy 4R US 19 April2000,Ariane 42LInclinedorbit75.0°W Brasilsat-B1Brazil10 August1994,Ariane 44LP74.9°W Galaxy-9US 24 May1996, DeltaII (7925)spare74.0°W Horizons-2STAR Bus US Intelsat JSATTelevisionand RadioBroadcastingCONUSCanadaCaribbean21December2007,Ariane 5GS20 KuXpndrs2008-06-1372.7°W EchoStar-6FS-1300USEchostar/DISHNetworkDirectBroadcasting14 July2000, AtlasII AS2008-11-1972.5°W Directv-1R US 10 October 1999, Zenit-3SL72.0°W AMC-6A2100AX US SES Americom CONUS,Canada,Mexico,Caribbean, CentralAmerica22 October2000,Proton-MHybridC/Ku-band satellite;a portionof theKu-bandpayload isdedicatedto SouthAmerica71.0°W Nahuel-1A Argentina30 January1997,Ariane 44L70.0°W Brasilsat-B4Brazil17 August2000,Ariane 44LP65.0°W Brasilsat-B2Brazil28 March1995,Ariane44LP+63.0°W Estrela doSul 1Brazil11 January2004,Zenit-3SL61.5°W EchoStar-12A2100AXS US17 July2003, AtlasV (521)FormerlyRainbow-1,purchased fromVOOM EchoStar-3A2100AX USEchostar/DISHNetworkDirectBroadcasting5 October1997, AtlasII AS61.0ºW HispasatAmazonasSpain4 August2004,Proton-M58.0°W Intelsat-9HS601HP US 28 July2000,Zenit-3SLformerlyPAS-955.5°W Intelsat-805ITSO18 June1998, AtlasII AS53.0°W Intelsat-707ITSO14 March1996,Ariane 450.0°W Intelsat-705ITSO22 March1995, AtlasII AS45.0°W Intelsat-1RHS702 US16November2000,Ariane 5GformerlyPAS-1R43.1°W Intelsat-3RHS601 US12 January1996,Ariane 44LformerlyPAS-3R43.0°W Intelsat-6BHS601HP22December1998,Ariane 42LformerlyPAS-6B40.5°W NSS-806LM AS-7000 Netherlands28 February1998, AtlasII AS37.5°W NSS-10Spacebus4000C33 February2005,ProtonTelstar-11USInclinedorbit34.5°W Intelsat-903ITSO30 March2002,Proton-K31.5°W Intelsat-801ITSO1 March1997,Ariane 44P30.0°W Hispasat-1CSpain3 February2000, AtlasII ASHispasat-1DSpain18September2002, AtlasII AS27.5°W Intelsat-907ITSO15 February2003,Ariane 44L24.5°W Intelsat-905ITSO5 June2002,Ariane 44L24.0°W Cosmos2379RussiaInclinedorbit22.0°W NSS-7LM A2100AX Netherlands16 April2002,Ariane 44L20.0°W Intelsat-603ITSO14 March1990,CommercialTitan IIIInclinedorbit18.0°W Intelsat-901ITSO9 June2001,Ariane 44L15.5°W Inmarsat 3F2IMSOEGNOSPRN #1206September1996,Proton-K15.0°W Telstar 12SSL US 19 October 1999, Ariane 44LP14.0°W Gorizont32RussiaInclinedorbit Express-A4Russia12.5°W AtlanticBird 1EUMETSAT28 August2002,Ariane 5G11.0°W Express-A3Russia24 June2000,Proton-K8.0°W AtlanticBird 2Eutelsat25September2001,Ariane 44PTelecom 2D France8 August1996,Ariane 44LInclinedorbit7.0°W Nilesat101Egypt28 April1998,Ariane 44P Nilesat102Egypt17 August2000,Ariane 44LP Nilesat103Egypt27 February1998,Ariane 42P AtlanticBird 4Eutelsat27 February1998,Ariane 42P5.0°W AtlanticBird 3Eutelsat4.0°W AMOS 1Israel16 May1996,Ariane 44L AMOS 2Israel27December2003,Soyuz-FG/Fregat3.4°W Meteosat828 August2002,Ariane 5G1.0°W Intelsat10-02ITSO16 June2004,Proton-M0.8°W Thor 2Norway20 May1997, DeltaIIThor 3Norway10 June1998, DeltaII (7925-9.5)[edit] Eastern HemisphereLocation Satellite SatellitebusSource Operator TypeCoverageLaunchdate/rocket(GMT)AlllocationsRemarks As of0.5°E Meteosat7ESAWeathersatellite2September1997,Ariane 44LPInclinedorbit3.0°E Telecom2A16December1991,Ariane 44L4.0°E Eurobird 4Eutelsat 2 September 1997, Ariane 44LP4.8°E Sirius 4A2100AX Sweden SES Sirius Comsat52Ku-bandcoveringEurope2Ka-bandcoveringScandinavia17November2007,Proton M2007-11-18 Astra 1CLuxembourg12 May1993,Ariane 42L0.9°inclinedorbit5.0°E Sirius 3Sweden 5 October 1998, Ariane 44L5.2°E Astra 1A GE 4000 11 December 1988, Ariane 44LP6.0°E Skynet 4F Militarycommunica7 February2001,Inclinedorbittions Ariane 44L7.0°E EutelsatW3AEutelsat15 March2004,Proton-M9.0°E Eurobird 9Eutelsat 21November1996, AtlasII AformerlyHot Bird 29.5°E Meteosat6ESAWeathersatellite20November1993,Ariane 44LPInclinedorbit10.0°E EutelsatW1Eutelsat6September2000,Ariane 44P12.5°E Raduga29RussiaInclinedorbit13.0°E Hot Bird 6Eutelsat21 August2002, AtlasV (401)Hot Bird7AEutelsat11 March2006,Ariane5-ECAHot Bird 8Eutelsat 4 August 2006, Proton16.0°E EutelsatW2Eutelsat5 October1998,Ariane 44L19.2°E Astra 1ELuxembourg19 October1995,Ariane 42L Astra 1FLuxembourg8 April1996,Proton-K Astra 1GLuxembourg12November1997,Proton-K Astra 1HLuxembourg18 June1999,Proton-K Astra 1KRLuxembourg20 April2006, AtlasV (411) Astra 1LLuxembourg4 May 2007,Ariane5-ECA20.0°E Arabsat2A9 July 1996,Ariane 44LInclinedorbit21.0°E AfriStar US 28 October 1998, Ariane 44L21.5°E EutelsatW6Artemis ESAEGNOSPRN #12412 July2001,Ariane 5GInclinedorbit.23.5°E Astra 3A Luxembourg29 March2002,Ariane 44L25.0°E Inmarsat 3F5IMSOEGNOSPRN #1264 February1998,Ariane 44LP25.5ºE Eurobird 2Eutelsat25.8°E Badr 226.0°E Badr 326.2°E Badr C28.2°E Astra 2A HS601HPLuxembourgAstra 2BLuxembourg14September2000, Ariane 5GAstra 2C Luxembourg16 June2001,Proton-KAstra 2D Luxembourg20December2000,Ariane 5G28.5°E Eurobird 1Spacebus3000Eutelsat8 March2001,Ariane 5G30.5°E Arabsat2BArabsat13November1996,Ariane 44L31.3°E Astra 1D HS-601LuxembourgSES Astra Comsat24Ku-band1 November1994,Ariane 419.2°E(1994–1998)28.2°E(1998)19.2°E(1998–1999)28.2°E2007-11-14(1999–2001)24.2°E(2001–2003)23.0°E(2003–2004)23.5°E(2004–2007)30.0°E(2007—) 31.5°E Sirius 2Sweden33.0°E Eurobird 3Eutelsat27September2003,Ariane 5G Intelsat802LM-3000 ITSO25 June1997,Ariane 44P36.0°E EutelsatSesat 1Eutelsat17 April2000,Proton-K Eutelsat Eutelsat24 May。

数字逻辑题库

数字逻辑题库

莈`0001 01A1十进制数(12.5)D转化为二进制数是______________,对应的十六进制数是___________。

薆~00011100.1 C.1芁`0002 01A1十进制数(23.75)D转化为二进制数是______________,对应的十六进制数是___________。

螃~000210111.11 17.C螀`0003 01A1 (39)10=( )2 ;(87)10=( )8421BCD羆~0003100111 10000111肂`0004 01A1十进制数35转换成二进制数是____________;十六进制数是____________。

薀~0004100011 23袈`0005 01A1用8421码表示的十进制数65,可以写成_________。

蒅~000501100101螂`0006 01A1十进制数(33)D转化为二进制数是______________,对应的十六进制数是___________。

蚁~0006100001 21羇`0007 01A1(66)10=( )2 ;(68)10=( )8421BCD袄~00071000010 01101000薂`0008 02A1逻辑代数中最基本的三种逻辑运算是_________、_________和__________。

蚃~0008 与、或、非荿`0009 04A1含用触发器的数字电路属于(组合逻辑电路、时序逻辑电路)。

芄~0009 时序逻辑电路芃`0010 02A1AB +A 在四变量卡诺图中有个小格是“1”。

~0010 8`0011 03A1七段码显示器有共阴极和共阳极两种接法,若a-g各段输入0010010时,显示2的字形,则其采用共______极接法。

~0011阳`0012 03A1一个16选1数据选择器,应具有 ____ 个选择输入端(地址输入端) ____ 个数据输入端。

~00124 16`0013 04A1JK触发器的特性方程是_____________________________。

2024年高考数学一模《三角函数》题型及答案

2024年高考数学一模《三角函数》题型及答案

三角函数题型01任意角的三角函数题型02两角和与差的三角函数题型03三角函数的图象与性质题型04解三角形题型01任意角的三角函数1(2024·辽宁沈阳·统考一模)sin x =1的一个充分不必要条件是.2(2024·重庆·统考一模)英国著名数学家布鲁克·泰勒(Taylor Brook )以微积分学中将函数展开成无穷级数的定理著称于世泰勒提出了适用于所有函数的泰勒级数,泰勒级数用无限连加式来表示一个函数,如:sin x =x -x 33!+x 55!-x 77!+⋯,其中n !=1×2×3×⋯×n .根据该展开式可知,与2-233!+255!-277!+⋯的值最接近的是()A.sin2°B.sin24.6°C.cos24.6°D.cos65.4°3(2024·福建厦门·统考一模)若sin α+π4 =-35,则cos α-π4 =.4(2024·山东济南·山东省实验中学校考一模)下列说法正确的是()A.cos2sin3<0B.若圆心角为π3的扇形的弧长为π,则扇形的面积为3π2C.终边落在直线y =x 上的角的集合是α α=π4+2k π,k ∈Z D.函数y =tan 2x -π6 的定义域为x x ≠π3+k π2,k ∈Z ,π为该函数的一个周期5(2024·山东济南·山东省实验中学校考一模)已知函数f (x )=cos xx,若A ,B 是锐角△ABC 的两个内角,则下列结论一定正确的是()A.f (sin A )>f (sin B )B.f (cos A )>f (cos B )C.f (sin A )>f (cos B )D.f (cos A )>f (sin B )6(2024·河北·校联考一模)在△ABC 中,若A =nB n ∈N * ,则()A.对任意的n ≥2,都有sin A <n sin BB.对任意的n ≥2,都有tan A <n tan BC.存在n ,使sin A >n sin B 成立D.存在n ,使tan A >n tan B 成立题型02两角和与差的三角函数7(2024·广西南宁·南宁三中校联考一模)若cos α+π4 =35,则sin2α=()A.725B.-725C.925D.-9258(2024·黑龙江齐齐哈尔·统考一模)已知cos α+π6 =14,则sin 2α-π6 =()A.78B.-78C.38D.-389(2024·辽宁沈阳·统考一模)已知sin π2-θ +cos π3-θ =1,则cos 2θ-π3=()A.13B.-13C.33D.-3310(2024·浙江·校联考一模)已知α是第二象限角,β∈0,π2 ,tan α+π4 =-14,现将角α的终边逆时针旋转β后得到角γ,若tan γ=17,则tan β=.11(2024·安徽合肥·合肥一六八中学校考一模)已知tan α-11+tan α=2,则sin 2α+π6的值为()A.-4+3310B.-4-3310C.4+3310D.4-331012(2024·江西吉安·吉安一中校考一模)已知α∈0,π ,且3tan α=10cos2α,则cos α可能为()A.-1010B.-55C.1010D.5513(2024·吉林延边·统考一模)已知函数f x =12-sin 2ωx +32sin2ωx ,ω>0 的最小正周期为4π.(1)求ω的值,并写出f x 的对称轴方程;(2)在△ABC 中角A ,B ,C 的对边分别是a ,b ,c 满足2a -c cos B =b ⋅cos C ,求函数f A 的取值范围.题型03三角函数的图象与性质14(2024·福建厦门·统考一模)已知函数f (x )=2sin 2x -π3,则()A.f (x )的最小正周期为π2B.f (x )的图象关于点2π3,0 成中心对称C.f (x )在区间0,π3上单调递增D.若f (x )的图象关于直线x =x 0对称,则sin2x 0=1215(2024·吉林延边·统考一模)将函数f x =sin ωx +π6 (ω>0)的图象向左平移π2个单位长度后得到曲线C ,若C 关于y 轴对称,则ω的最小值是()A.13B.23C.43D.5316(2024·黑龙江齐齐哈尔·统考一模)已知函数f x =cos2x +a cos x +2,则下列说法正确的有()A.当a =0时,f x 的最小正周期为πB.当a =1时,f x 的最小值为78C.当a =3时,f x 在区间0,2π 上有4个零点D.若f x 在0,π3上单调递减,则a ≥217(2024·湖南长沙·雅礼中学校考一模)已知函数f (x )=sin ωx +3cos ωx (ω>0)满足:f π6=2,f 2π3=0,则()A.曲线y =f (x )关于直线x =7π6对称 B.函数y =f x -π3是奇函数C.函数y =f (x )在π6,7π6单调递减 D.函数y =f (x )的值域为[-2,2]18(2024·辽宁沈阳·统考一模)如图,点A ,B ,C 是函数f x =sin ωx +φ (ω>0)的图象与直线y =32相邻的三个交点,且BC -AB =π3,f -π12=0,则()A.ω=4B.f 9π8 =12C.函数f x 在π3,π2上单调递减D.若将函数f x 的图象沿x 轴平移θ个单位,得到一个偶函数的图像,则θ 的最小值为π2419(2024·重庆·统考一模)已知f x =2a sin ωx ⋅cos ωx +b cos2ωx ω>0,a >0,b >0 的部分图象如图所示,当x ∈0,3π4时,f x 的最大值为.20(2024·云南曲靖·统考一模)函数f x =A sin ωx +φ (其中A >0,ω>0,φ ≤π2)的部分图象如图所示,则()A.f 0=-1B.函数f x 的最小正周期是2πC.函数f x 的图象关于直线x=π3对称D.将函数f x 的图象向左平移π6个单位长度以后,所得的函数图象关于原点对称21(2024·浙江·校联考一模)已知函数y=2sinωx+φ,该图象上最高点与最低点的最近距离为5,且点1,0是函数的一个对称点,则ω和φ的值可能是()A.ω=-π3,φ=-π3B.ω=-π3,φ=2π3C.ω=π3,φ=π3D.ω=π3,φ=2π322(2024·广东深圳·校考一模)已知函数f x =cosωx+π3+1(ω>0)的最小正周期为π,则f x 在区间0,π2上的最大值为()A.12B.1 C.32D.223(2024·山西晋城·统考一模)若函数f(x)=cosωx(0<ω<100)在π,5π2上至少有两个极大值点和两个零点,则ω的取值范围为.24(2024·广西南宁·南宁三中校联考一模)在物理学中,把物体受到的力(总是指向平衡位置)正比于它离开平衡位置的距离的运动称为“简谐运动”.在适当的直角坐标系下,某个简谐运动可以用函数f x =A sinωx+φA>0,ω>0,φ <π的部分图象如图所示,则下列结论正确的是()A.ω=2,频率为1π,初相为π6B.函数f x 的图象关于直线x=-π6对称C.函数f x 在π12,13π24上的值域为0,2D.若把f x 图像上所有点的横坐标缩短为原来的23倍,纵坐标不变,再向左平移π12个单位,则所得函数是y=2sin3x+π12题型04解三角形25(2024·河南郑州·郑州市宇华实验学校校考一模)如图,为了测量某湿地A,B两点间的距离,观察者找到在同一直线上的三点C,D,E.从D点测得∠ADC=67.5°,从C点测得∠ACD=45°,∠BCE=75°,从E点测得∠BEC=60°.若测得DC=23,CE=2(单位:百米),则A,B两点的距离为()A.6B.22C.3D.2326(2024·广东深圳·校考一模)在△ABC 中,角A ,B ,C 的对边分别为a ,b ,c ,若a =3,b =5,c =2a cos A ,则cos A =() A.13B.24C.33D.6327(2024·河南郑州·郑州市宇华实验学校校考一模)在锐角△ABC 中,角A ,B ,C 所对的边分别为a ,b ,c ,且c -b =2b cos A ,则下列结论正确的有()A.A =2BB.B 的取值范围为0,π4C.ab的取值范围为2,3 D.1tan B -1tan A+2sin A 的最小值为2228(2024·福建厦门·统考一模)已知△ABC 的内角A ,B ,C 的对边分别为a ,b ,c ,且a 2cos B +ab cos A =2c .(1)求a ;(2)若A =2π3,且△ABC 的周长为2+5,求△ABC 的面积.29(2024·广西南宁·南宁三中校联考一模)记△ABC 的内角A ,B ,C 的对边分别为a ,b ,c ,已知a -bc=sin A -sin Csin A +sin B.(1)求角B 的大小;(2)若b =2,求△ABC 周长的最大值.30(2024·山东济南·山东省实验中学校考一模)在△ABC中,内角A,B,C的对边分别是a,b,c,且cos C =-14,c=2a.(1)求sin A的值;(2)若△ABC的周长为18,求△ABC的面积.31(2024·浙江·校联考一模)在△ABC中,内角A,B,C所对的边分别是a,b,c,已知c2b2+c2-a2=sin Csin B.(1)求角A;(2)设边BC的中点为D,若a=7,且△ABC的面积为334,求AD的长.32(2024·河南郑州·郑州市宇华实验学校校考一模)已知在△ABC中,3sin(A+B)=1+2sin2C 2.(1)求角C的大小;(2)若∠BAC与∠ABC的内角平分线交于点Ⅰ,△ABC的外接圆半径为2,求△ABI周长的最大值.33(2024·辽宁沈阳·统考一模)在△ABC中,角A,B,C所对的边分别为a,b,c,且b2=ac+a2.(1)求证:B=2A;(2)当3c+7a3b取最小值时,求cos B的值.34(2024·重庆·统考一模)在梯形ABCD中,AB⎳CD,∠ABC为钝角,AB=BC=2,CD=4,sin∠BCD=154.(1)求cos∠BDC;(2)设点E为AD的中点,求BE的长.35(2024·山西晋城·统考一模)在△ABC中,AB=33,AC=53,BC=73.(1)求A的大小;(2)求△ABC外接圆的半径与内切圆的半径.36(2024·黑龙江齐齐哈尔·统考一模)记△ABC 的内角A ,B ,C 的对边分别为a ,b ,c ,已知B =π4,4b cos C =2c +2a .(1)求tan C ;(2)若△ABC 的面积为32,求BC 边上的中线长.37(2024·云南曲靖·统考一模)在△ABC 中,内角A ,B ,C 的对边分别为a ,b ,c ,且c =2a cos C -2b .(1)求A ;(2)线段BC 上一点D 满足BD =14BC ,AD =BD=1,求AB 的长度.三角函数题型01任意角的三角函数题型02两角和与差的三角函数题型03三角函数的图象与性质题型04解三角形题型01任意角的三角函数1(2024·辽宁沈阳·统考一模)sin x =1的一个充分不必要条件是.【答案】x =π2(答案不唯一)【分析】根据三角函数的性质结合充分不必要条件即可求解.【详解】因为x =π2时sin x =1,由sin x =1可得x =π2+2k π,k ∈Z ,故sin x =1的一个充分不必要条件是x =π2,故答案为:x =π2(答案不唯一)2(2024·重庆·统考一模)英国著名数学家布鲁克·泰勒(Taylor Brook )以微积分学中将函数展开成无穷级数的定理著称于世泰勒提出了适用于所有函数的泰勒级数,泰勒级数用无限连加式来表示一个函数,如:sin x =x -x 33!+x 55!-x 77!+⋯,其中n !=1×2×3×⋯×n .根据该展开式可知,与2-233!+255!-277!+⋯的值最接近的是()A.sin2° B.sin24.6°C.cos24.6°D.cos65.4°【答案】C【分析】观察题目将其转化为三角函数值,再将弧度制与角度制互化,结合诱导公式判断即可.【详解】原式=sin2≈sin 2×57.3° =sin 90°+24.6° =cos24.6°,故选:C .3(2024·福建厦门·统考一模)若sin α+π4 =-35,则cos α-π4 =.【答案】-35/-0.6【分析】应用诱导公式有cos α-π4 =cos α+π4 -π2=sin α+π4 ,即可求值.【详解】cos α-π4 =cos α+π4 -π2=sin α+π4 =-35.故答案为:-354(2024·山东济南·山东省实验中学校考一模)下列说法正确的是()A.cos2sin3<0B.若圆心角为π3的扇形的弧长为π,则扇形的面积为3π2C.终边落在直线y =x 上的角的集合是α α=π4+2k π,k ∈ZD.函数y =tan 2x -π6 的定义域为x x ≠π3+k π2,k ∈Z ,π为该函数的一个周期【答案】ABD【分析】根据三角函数在各象限内的符号可判断出A 正确;根据扇形弧长和面积公式可知B 正确;由终边相同的角的集合表示方法可知C 错误;根据正切型函数定义域和周期的判断方法可知D 正确.【详解】对于A ,∵2,3均为第二象限角,∴cos2<0,sin3>0,∴cos2sin3<0,A 正确;对于B ,设扇形的半径为r ,则π3r =π,解得:r =3,∴扇形的面积S =12×π3×32=3π2,B 正确;对于C ,终边落在直线y =x 上的角的集合为α α=π4+k π,k ∈Z ,C 错误;对于D ,由2x -π6≠π2+k πk ∈Z 得:x ≠π3+k π2k ∈Z ,∴y =tan 2x -π6 的定义域为x x ≠π3+k π2,k ∈Z ;又tan 2x +π -π6 =tan 2π+2x -π6 =tan 2x -π6 ,∴π是y =tan 2x -π6 的一个周期,D 正确.故选:ABD .5(2024·山东济南·山东省实验中学校考一模)已知函数f (x )=cos xx,若A ,B 是锐角△ABC 的两个内角,则下列结论一定正确的是()A.f (sin A )>f (sin B )B.f (cos A )>f (cos B )C.f (sin A )>f (cos B )D.f (cos A )>f (sin B )【答案】D【分析】由已知可得π2>A >π2-B >0,根据余弦函数的单调性,得出cos A <sin B ,由f x 的单调性即可判断选项.【详解】因为f (x )=cos x x ,所以f (x )=-x sin x -cos xx 2,当x ∈0,π2 时,sin x >0,cos x >0,所以-x sin x -cos xx2<0,即f (x )<0,所以f x 在0,π2上单调递减.因为A ,B 是锐角△ABC 的两个内角,所以A +B >π2,则π2>A >π2-B >0,因为y =cos x 在0,π2 上单调递减,所以0<cos A <cos π2-B =sin B <1<π2,故f (cos A )>f (sin B ),故D 正确.同理可得f (cos B )>f (sin A ),C 错误;而A ,B 的大小不确定,故sin A 与sin B ,cos A 与cos B 的大小关系均不确定,所以f (sin A )与f (sin B ),f (cos A )与f (cos B )的大小关系也均不确定,AB 不能判断.故选:D6(2024·河北·校联考一模)在△ABC 中,若A =nB n ∈N * ,则()A.对任意的n ≥2,都有sin A <n sin BB.对任意的n ≥2,都有tan A <n tan BC.存在n ,使sin A >n sin B 成立D.存在n ,使tan A >n tan B 成立【答案】AD【分析】根据给定条件,举例说明判断BD;构造函数,借助导数探讨单调性判断AC.【详解】在△ABC中,当A=3B时,n=3,取B=π12,则A=π4,tan A=1,tan B=tanπ3-π4=3-11+3=2-3,3tan B=3(2-3),则tan A>3tan B,B错,D对;显然0<A<π0<B<π0<C<π,即0<nB<π0<B<π0<π-B-nB<π,则0<B<πn+1,令f(x )=sin nx-n sin x,0<x<πn+1,n≥2,f (x)=n cos nx-n cos x=n(cos nx-cos x)<0,因此函数f(x)在0,πn+1上单调递减,则f(x)<f(0)=0,即sin nB<n sin B,从而sin A<n sin B,A对,C错.故选:AD【点睛】思路点睛:涉及不同变量的数式大小比较,细心挖掘问题的内在联系,构造函数,分析并运用函数的单调性求解作答.题型02两角和与差的三角函数7(2024·广西南宁·南宁三中校联考一模)若cosα+π4=35,则sin2α=()A.725B.-725C.925D.-925【答案】A【分析】根据二倍角的余弦公式和诱导公式即可.【详解】cos2α+π4=2cos2α+π4-1=2×35 2-1=-725,所以sin2α=-cos2α+π2=725,故选:A.8(2024·黑龙江齐齐哈尔·统考一模)已知cosα+π6=14,则sin2α-π6=()A.78B.-78C.38D.-38【答案】A【分析】利用换元法,结合诱导公式、二倍角公式等知识求得正确答案.【详解】设α+π6=t,则α=t-π6,cos t=14,sin2α-π6=sin2t-π6-π6=sin2t-π2=-cos2t=-2cos2t-1=-2×142-1=78.故选:A9(2024·辽宁沈阳·统考一模)已知sinπ2-θ+cosπ3-θ=1,则cos2θ-π3=()A.13B.-13C.33D.-33【答案】B【分析】根据和差角公式以及诱导公式可得32cos θ+32sin θ=1,由辅助角公式以及二倍角公式即可求解.【详解】由sin π2-θ+cos π3-θ =1得cos θ+12cos θ+32sin θ=1,进而可得32cos θ+32sin θ=1,结合辅助角公式得3cos θ-π6=1,则cos θ-π6 =33,∴cos 2θ-π3 =2cos 2θ-π6 -1=-13,故选:B .10(2024·浙江·校联考一模)已知α是第二象限角,β∈0,π2,tan α+π4 =-14,现将角α的终边逆时针旋转β后得到角γ,若tan γ=17,则tan β=.【答案】198/2.375【分析】由两角和的正切公式先得tan α=-53,进一步由两角差的正切公式即可求解.【详解】由题意tan α+π4 =tan α+11-tan α=-14,且γ=α+β,tan γ=tan α+β =17,解得tan α=-53,所以tan β=tan α+β-α =17--53 1+-53 ×17=198.故答案为:198.11(2024·安徽合肥·合肥一六八中学校考一模)已知tan α-11+tan α=2,则sin 2α+π6的值为()A.-4+3310B.-4-3310C.4+3310D.4-3310【答案】A【分析】先由已知条件求出tan α的值,再利用三角函数恒等变换公式求出sin2α,cos2α的值,然后对sin 2α+π6利用两角和的正弦公式化简计算即可【详解】由tan α-11+tan α=2,得tan α=-3,所以sin2α=2sin αcos αsin 2α+cos 2α=2tan αtan 2α+1=-610=-35,cos2α=cos 2α-sin 2αsin 2α+cos 2α=1-tan 2αtan 2α+1=1-910=-45,所以sin 2α+π6 =sin2αcos π6+cos2αsinπ6=-35×32+-45 ×12=-4+3310,故选:A12(2024·江西吉安·吉安一中校考一模)已知α∈0,π ,且3tan α=10cos2α,则cos α可能为()A.-1010B.-55C.1010D.55【答案】B【分析】由3tan α=10cos2α得3tan α=10×1-tan 2α1+tan 2α,化简后可求出tan α,再利用同角三角函数的关系可求出cos α.【详解】由3tan α=10cos2α,得3tan α=10(cos 2α-sin 2α),所以3tan α=10×cos 2α-sin 2αcos 2α+sin 2α,所以3tan α=10×1-tan 2α1+tan 2α,整理得3tan 3α+10tan 2α+3tan α-10=0,(tan α+2)(3tan 2α+4tan α-5)=0,所以tan α+2=0或3tan 2α+4tan α-5=0,所以tan α=-2或tan α=-2±193,①当tan α=-2时,sin αcos α=-2,α∈π2,π ,因为sin 2α+cos 2α=1,所以5cos 2α=1,所以cos α=±55,因为α∈π2,π ,所以cos α=-55,②当tan α=-2+193时,sin αcos α=-2+193,α∈0,π2,因为sin 2α+cos 2α=1,所以19-23cos α 2+cos 2α=1,由于α∈0,π2 ,所以解得cos α=932-419,③当tan α=-2-193时,sin αcos α=-2-193,α∈π2,π ,因为sin 2α+cos 2α=1,所以-19-23cos α 2+cos 2α=1,由于α∈π2,π ,所以解得cos α=-932+419,综上,cos α=-55,或cos α=932-419,或cos α=-932+419,故选:B13(2024·吉林延边·统考一模)已知函数f x =12-sin 2ωx +32sin2ωx ,ω>0 的最小正周期为4π.(1)求ω的值,并写出f x 的对称轴方程;(2)在△ABC 中角A ,B ,C 的对边分别是a ,b ,c 满足2a -c cos B =b ⋅cos C ,求函数f A 的取值范围.【答案】(1)ω=14,x =2π3+2k π,k ∈Z(2)12,1 【分析】(1)利用三角函数的恒等变换化简函数f (x )=sin 2ωx +π6,再根据周期求出ω的值,利用整体法即可求解对称轴.(2)把已知的等式变形并利用正弦定理可得cos B =12,故B =π3,故f (A )=sin 12A +π6 ,0<A <2π3,根据正弦函数的定义域和值域求出f A 的取值范围.【详解】(1)f x =12-sin 2ωx +32sin2ωx =12+32sin2ωx -sin 2ωx =12+32sin2ωx -1-cos2ωx2=32sin2ωx +12cos2ωx =sin 2ωx +π6 .∵T =2π2ω=4π,∴ω=14.故f x =sin 12x +π6 令12x +π6=π2+k π,k ∈Z ,解得x =2π3+2k π,k ∈Z ,故对称轴方程为:x =2π3+2k π,k ∈Z(2)由2a -c cos B =b ⋅cos C 得(2sin A -sin C )cos B =sin B cos C ,∴2sin A cos B =sin B cos C +cos B sin C =sin (B +C )=sin A .∵sin A ≠0,∴cos B =12,B ∈0,π ,∴B =π3.∴f (A )=sin 12A +π6 ,0<A <2π3,∴π6<A 2+π6<π2,∴12<sin A 2+π6 <1,∴f (A )∈12,1 题型03三角函数的图象与性质14(2024·福建厦门·统考一模)已知函数f (x )=2sin 2x -π3,则()A.f (x )的最小正周期为π2B.f (x )的图象关于点2π3,0 成中心对称C.f (x )在区间0,π3上单调递增D.若f (x )的图象关于直线x =x 0对称,则sin2x 0=12【答案】BC【分析】根据正弦型函数的性质,结合代入法、整体法逐一判断各项正误.【详解】由f (x )=2sin 2x -π3 ,最小正周期T =2π2=π,A 错;由f 2π3=2sin 2×2π3-π3 =0,即2π3,0 是对称中心,B 对;由x ∈0,π3 ,则2x -π3∈-π3,π3 ,显然f (x )在区间0,π3 上单调递增,C 对;由题意2x 0-π3=k π+π2⇒2x 0=k π+5π6,故sin2x 0=±12,D 错.故选:BC15(2024·吉林延边·统考一模)将函数f x =sin ωx +π6 (ω>0)的图象向左平移π2个单位长度后得到曲线C ,若C 关于y 轴对称,则ω的最小值是()A.13B.23C.43D.53【答案】B【分析】得出平移后的方程后,再根据正弦型函数的性质即可得到答案.【详解】结合题意可得f x +π2 =sin ωx +π2 +π6 =sin ωx +π2ω+π6,(ω>0),因为曲线C 关于y 轴对称,所以π2ω+π6=k π+π2,k ∈Z ,解得ω=2k +23,k ∈Z ,因为ω>0,所以当k =0时,ω有最小值23.故选:B .16(2024·黑龙江齐齐哈尔·统考一模)已知函数f x =cos2x +a cos x +2,则下列说法正确的有()A.当a =0时,f x 的最小正周期为πB.当a =1时,f x 的最小值为78C.当a =3时,f x 在区间0,2π 上有4个零点D.若f x 在0,π3 上单调递减,则a ≥2【答案】AB【分析】根据三角函数的周期性、含cos x 的二次项函数的值域、三角函数的零点、单调性等知识对选项进行分析,从而确定正确答案.【详解】当a =0时,f x =cos2x +2,所以f x 的最小正周期为π,A 选项正确;当a =0时,f x =cos2x +cos x +2=2cos 2x +cos x +1=2cos x +14 2+78≥78,所以f x 的最小值为78,B 选项正确;当a =4时,f x =cos2x +3cos x +2=2cos 2x +3cos x +1=2cos x +1 cos x +1 ,令f x =0,解得cos x =-12或cos x =-1,此时x =2π3或x =4π3或x =π,f x 在区间0,2π 上有3个零点,C 选项错误;f x =cos2x +a cos x +2=2cos 2x +a cos x +1,设t =cos x ,cos x 在0,π3 上单调递减,则t ∈12,1 ,根据复合函数的单调性,g t =2t 2+at +1在12,1 上单调递增,所以-a 4≤12,解得a ≥-2,D 选项错误.故选:AB17(2024·湖南长沙·雅礼中学校考一模)已知函数f (x )=sin ωx +3cos ωx (ω>0)满足:f π6=2,f 2π3=0,则()A.曲线y =f (x )关于直线x =7π6对称 B.函数y =f x -π3是奇函数C.函数y =f (x )在π6,7π6单调递减 D.函数y =f (x )的值域为[-2,2]【答案】ABD【分析】用辅助角公式化简f (x ),再利用f π6=2,f 2π3 =0,得出ω的取值集合,再结合三角函数性质逐项判断即可.【详解】f (x )=2sin ωx +π3,所以函数y =f (x )的值域为[-2,2],故D 正确;因为f 2π3=0,所以2π3ω+π3=k 1π,k 1∈Z ,所以ω=3k 1-12,k 1∈Z ,因为f π6 =2,所以π6ω+π3=π2+2k 2π,k 2∈Z ,所以ω=12k 2+1,k 2∈Z ,所以3k 1-12=12k 2+1,即k 1=8k 2+1,所以ω∈{1,13,25,37⋯},因为f 7π6 =2sin 12k 2+1 7π6+π3 =2sin 14k 2π+3π2=-2,所以曲线y =f (x )关于直线x =7π6对称,故A 正确;因为f x -π3 =2sin 12k 2+1 x -π3 +π3 =2sin 12k 2+1 x -4k 2π =2sin 12k 2+1 x即f x -π3 =-f -x -π3,所以函数y =f x -π3是奇函数,故B 正确;取ω=13,则最小正周期T =2πω=2π13<7π6-π6=π,故C 错误.故选:ABD 18(2024·辽宁沈阳·统考一模)如图,点A ,B ,C 是函数f x =sin ωx +φ (ω>0)的图象与直线y =32相邻的三个交点,且BC -AB =π3,f -π12=0,则()A.ω=4B.f 9π8 =12C.函数f x 在π3,π2上单调递减D.若将函数f x 的图象沿x 轴平移θ个单位,得到一个偶函数的图像,则θ 的最小值为π24【答案】ACD【分析】令f x =32求得x A ,x B ,x C 根据BC -AB =π3求得ω=4,根据f -π12=0求得f x 的解析式,再逐项验证BCD 选项.【详解】令f x =sin ωx +φ =32得,ωx +φ=π3+2k π或ωx +φ=2π3+2k π,k ∈Z ,由图可知:ωx A +φ=π3+2k π,ωx C +φ=π3+2k π+2π,ωx B +φ=2π3+2k π,所以BC =x C -x B =1ω-π3+2π ,AB =x B -x A =1ω⋅π3,所以π3=BC -AB =1ω-2π3+2π ,所以ω=4,故A 选项正确,所以f x =sin 4x +φ ,由f -π12=0得sin -π3+φ =0,所以-π3+φ=π+2k π,k ∈Z ,所以φ=4π3+2k π,k ∈Z ,所以f x =sin 4x +4π3+2k π =sin 4x +4π3 =-sin 4x +π3 ,f 9π8 =-sin 9π2+π3 =-12,故B 错误.当x ∈π3,π2 时,4x +π3∈5π3,2π+π3,因为y =-sin t 在t ∈5π3,2π+π3 为减函数,故f x 在π3,π2上单调递减,故C 正确;将函数f x 的图象沿x 轴平移θ个单位得g x =-sin 4x +4θ+π3,(θ<0时向右平移,θ>0时向左平移),g x 为偶函数得4θ+π3=π2+k π,k ∈Z ,所以θ=π24+k π4,k ∈Z ,则θ 的最小值为π24,故D 正确.故选:ACD .19(2024·重庆·统考一模)已知f x =2a sin ωx ⋅cos ωx +b cos2ωx ω>0,a >0,b >0 的部分图象如图所示,当x ∈0,3π4时,f x 的最大值为.【答案】3【分析】由图象求出函数f x 的解析式,然后利用正弦型函数的基本性质可求得函数f x 在0,3π4上的最大值.【详解】因为f x =2a sin ωx ⋅cos ωx +b cos2ωx =a sin2ωx +b cos2ωx ω>0,a >0,b >0 ,设f x =A sin 2ωx +φ A >0,ω>0 ,由图可知,函数f x 的最小正周期为T =4×π6+π12 =π,则2ω=2πT =2ππ=2,又因为A =f x max -f x min 2=2+22=2,则f x =2sin 2x +φ ,因为f -π12 =2sin φ-π6 =2,可得sin φ-π6 =1,所以,φ-π6=π2+2k πk ∈Z ,则φ=2π3+2k πk ∈Z ,则f x =2sin 2x +2π3+2k π =2sin 2x +2π3 ,当0≤x ≤3π4时,2π3≤2x +2π3≤13π6,故f x max =2sin 2π3=2×32= 3.故答案为:3.20(2024·云南曲靖·统考一模)函数f x =A sin ωx +φ (其中A >0,ω>0,φ ≤π2)的部分图象如图所示,则()A.f 0 =-1B.函数f x 的最小正周期是2πC.函数f x 的图象关于直线x =π3对称D.将函数f x 的图象向左平移π6个单位长度以后,所得的函数图象关于原点对称【答案】AC【分析】利用图象求出函数f x 的解析式,代值计算可判断A 选项;利用正弦型函数的周期性可判断B 选项;利用正弦型函数的对称性可判断C 选项;利用三角函数图象变换可判断D 选项.【详解】由图可知,A =f x max -f x min 2=2--22=2,函数f x 的最小正周期T 满足3T 4=7π12--π6 =3π4,则T =π,ω=2πT =2ππ=2,B 错;所以,f x =2sin 2x +φ ,f -π6 =2sin 2×-π6 +φ =2sin φ-π3 =-2,可得sin φ-π3 =-1,因为-π2≤φ≤π2,所以,-5π6≤φ-π3≤π6,则φ-π3=-π2,可得φ=-π6,所以,f x =2sin 2x -π6 ,则f 0 =2sin -π6=-1,A 对;f π3 =2sin 2×π3-π6 =2sin π2=2=f x max ,所以,函数f x 的图象关于直线x =π3对称,C 对;将函数f x 的图象向左平移π6个单位长度以后,得到函数y =2sin 2x +π6 -π6 =2sin 2x +π6 的图象,所得函数为非奇非偶函数,D 错.故选:AC .21(2024·浙江·校联考一模)已知函数y =2sin ωx +φ ,该图象上最高点与最低点的最近距离为5,且点1,0 是函数的一个对称点,则ω和φ的值可能是()A.ω=-π3,φ=-π3B.ω=-π3,φ=2π3C.ω=π3,φ=π3D.ω=π3,φ=2π3【答案】D【分析】由题意首先得ω=π3,进一步由ω+φ=k π,k ∈Z ,对比选项即可得解.【详解】由题意函数的周期T 满足,T 2=52-42=3=2π2ω ,所以ω=±π3,又点1,0 是函数的一个对称点,所以ω+φ=k π,k ∈Z ,所以ω=π3φ=k π-π3,k ∈Z 或ω=-π3φ=k π+π3,k ∈Z,对比选项可知,只有当ω=π3φ=2π3k =1时满足题意.故选:D .22(2024·广东深圳·校考一模)已知函数f x =cos ωx +π3+1(ω>0)的最小正周期为π,则f x 在区间0,π2上的最大值为()A.12B.1C.32D.2【答案】C【分析】由周期公式求得ω,结合换元法即可求得最大值.【详解】由题意T =2πω=π,解得ω=2,所以f x =cos 2x +π3+1,当x ∈0,π2 时,t =2x +π3∈π3,4π3,所以f x 在区间0,π2 上的最大值为cos π3+1=32,当且仅当x =0时等号成立.故选:C .23(2024·山西晋城·统考一模)若函数f (x )=cos ωx (0<ω<100)在π,5π2上至少有两个极大值点和两个零点,则ω的取值范围为.【答案】85,2 ∪125,100 【分析】先求出极大值点表达式,利用题干条件列不等式赋值求解.【详解】令ωx =2k π,k ∈Z ,得f (x )的极大值点为x =2k πω,k ∈Z ,则存在整数k ,使得ω>02k πω>π2k +1 πω<5π2,解得4(k +1)5<ω<2k (k ∈N *).因为函数y =cos x 在两个相邻的极大值点之间有两个零点,所以4(k +1)5<ω<2k (k ∈N *).当k =1时,85<ω<2.当k =2时,125<ω<4.当k ≥2时,4(k +1)5<4(k +2)5<2k .又0<ω<100,所以ω的取值范围为85,2 ∪125,4 ∪165,6 ∪⋅⋅⋅∪2045,100 =85,2 ∪125,100 .故答案为:85,2 ∪125,100【点睛】关键点点睛:本题考查三角函数的图象及其性质,求出4k +15<ω<2k k ∈N * 并赋值计算是解决问题关键.24(2024·广西南宁·南宁三中校联考一模)在物理学中,把物体受到的力(总是指向平衡位置)正比于它离开平衡位置的距离的运动称为“简谐运动”.在适当的直角坐标系下,某个简谐运动可以用函数f x =A sin ωx +φ A >0,ω>0,φ <π 的部分图象如图所示,则下列结论正确的是()A.ω=2,频率为1π,初相为π6B.函数f x 的图象关于直线x =-π6对称C.函数f x 在π12,13π24上的值域为0,2 D.若把f x 图像上所有点的横坐标缩短为原来的23倍,纵坐标不变,再向左平移π12个单位,则所得函数是y =2sin 3x +π12【答案】BCD【分析】根据图象求出三角函数解析式,再根据正弦函数图象与性质以及函数平移的原则即可判断.【详解】由图象可得A =2,34T =13π12-π3=3π4,∴T =π,频率是1T =1π,ω=2ππ=2,∵f π3 =2,∴f π3 =2sin 2π3+φ =2,即sin 2π3+φ =1,∴2π3+φ=2k π+π2(k ∈Z ),∴φ=2k π-π6(k ∈Z ),∵|φ|<π,∴φ=-π6,对于A ,∴f (x )=2sin 2x -π6 ,初相是-π6,故A 错误;对于B ,f -π6 =2sin -π3-π6=-2,故B 正确;对于C ,因为x ∈π12,13π24 ,所以2x -π6∈0,11π12,∴f (x )=2sin 2x -π6在π12,13π24上的值域为[0,2],故C 正确;对于D ,把f (x )的横坐标缩短为原来的23倍,纵坐标不变,得到的函数为y =2sin 3x -π6,又向左平移π12个单位,得到的函数为y =2sin 3x +π12 -π6 =2sin 3x +π12 ,故D 正确;故选:BCD .题型04解三角形25(2024·河南郑州·郑州市宇华实验学校校考一模)如图,为了测量某湿地A ,B 两点间的距离,观察者找到在同一直线上的三点C ,D ,E .从D 点测得∠ADC =67.5°,从C 点测得∠ACD =45°,∠BCE =75°,从E 点测得∠BEC =60°.若测得DC =23,CE =2(单位:百米),则A ,B 两点的距离为()A.6B.22C.3D.23【答案】C【分析】在△ADC 中,求得AC =DC ;在△BCE 中,利用正弦定理求得BC ;再在△ABC 中,利用余弦定理即可求得结果.【详解】根据题意,在△ADC 中,∠ACD =45°,∠ADC =67.5°,DC =23,则∠DAC =180°-45°-67.5°=67.5°,则AC =DC =23,在△BCE 中,∠BCE =75°,∠BEC =60°,CE =2,则∠EBC =180°-75°-60°=45°,则有CE sin ∠EBC =BC sin ∠BEC ,变形可得BC =CE ⋅sin ∠BEC sin ∠EBC =2×3222=3,在△ABC 中,AC =23,BC =3,∠ACB =180°-∠ACD -∠BCE =60°,则AB 2=AC 2+BC 2-2AC ·BC ·cos ∠ACB =9,则AB =3.故选:C .【点睛】本题考查利用正余弦定理解三角形,涉及距离的求解,属基础题.26(2024·广东深圳·校考一模)在△ABC 中,角A ,B ,C 的对边分别为a ,b ,c ,若a =3,b =5,c =2a cos A ,则cos A =()A.13B.24C.33D.63【答案】D【分析】由已知结合余弦定理进行化简即可求解.【详解】解:因为c =2a cos A ,由余弦定理可得c =2a ⋅b 2+c 2-a 22bc,将a =3,b =5代入整理得c =26,所以cos A =c 2a =63.故选:D .27(2024·河南郑州·郑州市宇华实验学校校考一模)在锐角△ABC 中,角A ,B ,C 所对的边分别为a ,b ,c ,且c -b =2b cos A ,则下列结论正确的有()A.A =2BB.B 的取值范围为0,π4C.ab的取值范围为2,3 D.1tan B -1tan A+2sin A 的最小值为22【答案】AC【分析】用正弦定理可判断A 项,由锐角三角形可判断B 项,用倍角公式可判断C 项,切化弦后用取等条件即可判断D 项.【详解】在△ABC 中,由正弦定理可将式子c -b =2b cos A 化为sin C -sin B =2sin B cos A ,把sin C =sin A +B =sin A cos B +cos A sin B 代入整理得,sin A -B =sin B ,解得A -B =B 或A -B +B =π,即A =2B 或A =π(舍去),所以A =2B ,选项A 正确;选项B :因为△ABC 为锐角三角形,A =2B ,所以C =π-3B ,由0<B <π2,0<2B <π2,0<π-3B <π2,解得B ∈π6,π4 ,故选项B 错误;选项C :a b=sin A sin B =sin2B sin B =2cos B ,因为B ∈π6,π4 ,所以cos B ∈22,32 ,2cos B ∈2,3 ,即ab的取值范围为2,3 ,故选项C 正确;选项D :1tan B -1tan A +2sin A =sin A -B sin A sin B +2sin A =1sin A+2sin A ≥21sin A ×2sin A =22,当且仅当1sin A=2sin A 即sin A =±22时取等,但因为B ∈π6,π4 ,所以A =2B ∈π3,π2 ,sin A ∈32,1 ,无法取到等号,故D 错.故选:AC .28(2024·福建厦门·统考一模)已知△ABC 的内角A ,B ,C 的对边分别为a ,b ,c ,且a 2cos B +ab cos A =2c .(1)求a ;(2)若A =2π3,且△ABC 的周长为2+5,求△ABC 的面积.【答案】(1)a =2;(2)34.【分析】(1)应用正弦边角关系及和角正弦公式有a sin (A +B )=2sin C ,再由三角形内角性质即可求边长;(2)应用余弦定理及已知得b 2+c 2+bc =4且b +c =5,进而求得bc =1,最后应用面积公式求面积.【详解】(1)由题设a (a cos B +b cos A )=2c ,由正弦定理有a (sin A cos B +sin B cos A )=2sin C ,所以a sin (A +B )=2sin C ,而A +B =π-C ,故a sin C =2sin C ,又sin C >0,所以a =2.(2)由(1)及已知,有cos A =b 2+c 2-a 22bc =b 2+c 2-42bc=-12,可得b 2+c 2+bc =4,又a +b +c =2+5,即b +c =5,所以(b +c )2-bc =5-bc =4⇒bc =1,故S △ABC =12bc sin A =34.29(2024·广西南宁·南宁三中校联考一模)记△ABC 的内角A ,B ,C 的对边分别为a ,b ,c ,已知a -bc=sin A -sin Csin A +sin B.(1)求角B 的大小;(2)若b =2,求△ABC 周长的最大值.【答案】(1)B =π3(2)6【分析】(1)根据题意利用正、余弦定理进行边角转化,进而可得结果;(2)根据a 2+c 2-b 2=ac ,结合基本不等式运算求解.【详解】(1)因为a -b c =sin A -sin C sin A +sin B,由正弦定理可得a -b c =a -ca +b ,整理得a 2+c 2-b 2=ac ,由余弦定理可得cos B =a 2+c 2-b 22ac =ac 2ac =12,且B ∈0,π ,所以B =π3.(2)由(1)可知:a 2+c 2-b 2=ac ,整理得a +c 2-4=3ac ,即ac =a +c 2-43,因为ac ≤a +c24,当且仅当a =c =2时,等号成立,则a +c 2-43≤a +c 24,可得a +c 2≤16,即a +c ≤4,所以△ABC 周长的最大值为4+2=6.30(2024·山东济南·山东省实验中学校考一模)在△ABC 中,内角A ,B ,C 的对边分别是a ,b ,c ,且cos C =-14,c =2a .(1)求sin A 的值;(2)若△ABC 的周长为18,求△ABC 的面积.【答案】(1)158(2)315【分析】(1)由正弦定理边化角结合同角三角函数关系求解;(2)由余弦定理解方程得边长,再利用面积公式求解.【详解】(1)因为0<C <π,cos C =-14,所以sin C =1-cos 2C =154.因为c =2a ,所以sin C =2sin A ,则sin A =sin C 2=158.(2)因为cos C =-14,所以c 2=a 2+b 2+12ab .因为c =2a ,所以3a 2-12ab -b 2=0,解得b =32a .因为△ABC 的周长为18,所以a +b +c =92a =18,解得a =4,则b =6,c =8.故△ABC 的面积为12bc sin A =12×6×8×158=315.31(2024·浙江·校联考一模)在△ABC 中,内角A ,B ,C 所对的边分别是a ,b ,c ,已知c 2b 2+c 2-a2=sin Csin B.(1)求角A ;(2)设边BC 的中点为D ,若a =7,且△ABC 的面积为334,求AD 的长.【答案】(1)A =π3(2)132【分析】(1)根据正弦定理和题中所给式子化简计算得到b 2+c 2-a 2=bc ,再结合余弦定理即可求出角A ;(2)根据三角形面积公式得到bc =3和b 2+c 2=10,再结合中线向量公式计算即可.【详解】(1)在△ABC 中,由正弦定理得,sin C sin B =cb,因为c 2b 2+c 2-a 2=sin C sin B ,所以c 2b 2+c 2-a 2=cb ,化简得,b 2+c 2-a 2=bc ,在△ABC 中,由余弦定理得,cos A =b 2+c 2-a 22bc=12,又因为0<A <π,所以A =π3(2)由S △ABC =12bc sin A =34bc =334,得bc =3,由a 2=b 2+c 2-2bc cos A ,得7=b 2+c 2-3,所以b 2+c 2=10.又因为边BC 的中点为D ,所以AD =12AB +AC,所以AD =12(AB +AC )2=12b 2+c 2+2bc cos A =12×10+2×3×12=13232(2024·河南郑州·郑州市宇华实验学校校考一模)已知在△ABC 中,3sin (A +B )=1+2sin 2C2.(1)求角C 的大小;(2)若∠BAC 与∠ABC 的内角平分线交于点Ⅰ,△ABC 的外接圆半径为2,求△ABI 周长的最大值.【答案】(1)π3;(2)4+23.【分析】(1)利用降幂公式、两角和的正弦公式变形可得sin C +π6=1,再根据角的范围可得解;(2)利用正弦定理求出AB ,求出∠AIB ,设出∠ABI ,将AI ,BI 用∠ABI 表示,根据三角函数知识求出AI +BI 的最大值可得解.【详解】(1)∵3sin (A +B )=1+2sin 2C2,且A +B +C =π,∴3sin C =1+1-cos C =2-cos C ,即3sin C +cos C =2,∴sin C +π6=1.∵C ∈(0,π),∴C +π6∈π6,7π6 ,∴C +π6=π2,即C =π3.(2)∵△ABC 的外接圆半径为2,∴由正弦定理知,AB sin ∠ACB =ABsin π3=2×2=4,∴AB =23,∵∠ACB =π3,∴∠ABC +∠BAC =2π3,∵∠BAC 与∠ABC 的内角平分线交于点Ⅰ,∴∠ABI +∠BAI =π3,∴∠AIB =2π3,设∠ABI =θ,则∠BAI =π3-θ,且0<θ<π3,在△ABI 中,由正弦定理得,BI sin π3-θ =AI sin θ=AB sin ∠AIB =23sin 2π3=4,∴BI =4sin π3-θ ,AI =4sin θ,∴△ABI 的周长为23+4sin π3-θ +4sin θ=23+432cos θ-12sin θ +4sin θ=23+23cos θ+2sin θ=4sin θ+π3+23,∵0<θ<π3,∴π3<θ+π3<2π3,∴当θ+π3=π2,即θ=π6时,△ABI 的周长取得最大值,最大值为4+23,故△ABI 的周长的最大值为4+23.【点睛】关键点点睛:将AI ,BI 用∠ABI 表示,根据三角函数知识求出AI +BI 的最大值是解题关键.33(2024·辽宁沈阳·统考一模)在△ABC 中,角A ,B ,C 所对的边分别为a ,b ,c ,且b 2=ac +a 2.(1)求证:B =2A ;(2)当3c +7a 3b取最小值时,求cos B 的值.【答案】(1)证明见解析(2)cos B =-13【分析】(1)利用余弦定理并结合正弦函数两角和差公式化简即可求解.(2)利用基本不等式求得3c +7a 3b的最小值时的取等条件b =233a ,再结合余弦定理从而求解.【详解】(1)证明:由余弦定理知b 2=a 2+c 2-2ac cos B ,又因为b 2=a 2+ac ,所以a 2+ac =a 2+c 2-2ac ⋅cos B ,化简得a =c -2a cos B ,所以sin A =sin C -2sin A cos B ,因为A +B +C =π,所以sin A =sin A +B -2sin A cos B ,所以sin A =sin A cos B +cos A sin B -2sin A cos B =cos A sin B -sin A cos B ,所以sin A =sin B -A ,因为A ∈0,π ,B -A ∈-π,π ,所以A =B -A 或A +B -A =π(舍),所以B =2A .(2)由题知,3c +7a 3b =3ac +7a 23ab =3b 2-a 2 +7a 23ab=b a +43⋅a b ≥243=433,当且仅当b =233a 时取等,又因为b 2=ac +a 2,所以c =13a ,所以cos B =a 2+c 2-b22ac=a 2+13a 2-233a22a ×13a=-13.34(2024·重庆·统考一模)在梯形ABCD 中,AB ⎳CD ,∠ABC 为钝角,AB =BC =2,CD =4,sin ∠BCD =154.(1)求cos ∠BDC ;(2)设点E 为AD 的中点,求BE 的长.【答案】(1)78;(2)342【分析】(1)在△BCD 中利用余弦定理求出BD ,再利用二倍角的余弦公式计算即得.(2)利用(1)的结论,借助向量数量积求出BE 的长.【详解】(1)在梯形ABCD 中,由AB ⎳CD ,∠ABC 为钝角,得∠BCD 是锐角,在△BCD 中,sin ∠BCD =154,则cos ∠BCD =1-sin 2∠BCD =14,由余弦定理得BD =22+42-2×2×4×14=4,即△BCD 为等腰三角形,所以cos ∠BDC =cos (π-2∠BCD )=-cos2∠BCD =1-2cos 2∠BCD =78.(2)由AB ⎳CD ,得∠ABD =∠BDC ,由点E 为AD 的中点,得BE =12(BA +BD),所以|BE |=12BA 2+BD 2+2BA ⋅BD =1222+42+2×2×4×78=342.35(2024·山西晋城·统考一模)在△ABC 中,AB =33,AC =53,BC =73.(1)求A 的大小;(2)求△ABC 外接圆的半径与内切圆的半径.【答案】(1)A =2π3(2)32【分析】(1)由余弦定理即可求解;(2)由正弦定理求出外接圆半径,由等面积法求出内切圆半径.【详解】(1)由余弦定理得cos A =AB 2+AC 2-BC 22AB ⋅AC=-12,因为0<A <π,所以A =2π3.(2)设△ABC 外接圆的半径与内切圆的半径分别为R ,r ,由正弦定理得2R =BC sin A=7332=14,则R =7.△ABC 的面积S =12AB ⋅AC ⋅sin A =4534,由12r (AB +AC +BC )=S ,得r =2S AB +AC +BC =32.36(2024·黑龙江齐齐哈尔·统考一模)记△ABC 的内角A ,B ,C 的对边分别为a ,b ,c ,已知B =π4,4b cos C =2c +2a .(1)求tan C ;。

水泵站低压配电图纸设计

水泵站低压配电图纸设计
100/3200HH3-60/3引至受电柜600/5FYS-0.22补GGJ2-01A( )200kvar25-11000X2200X8002N5数量 备 注个电流表RN1-10,200/150AFN2-10R,400A10/0.4~0.23kV0~1500AS9-630/10630kVA改GGD3--02C( )1000X2200X80003TA1N1GGD3--02C( )受电100012传动号B总宽柜宽型号C机械名称22000101GD2-17编号A121210501104PV0110303FUSA10110201FU02FUCB01TA04TA02TA01GD2-6A1L011L0122~380V开关柜外形尺寸:(宽X高X厚)1计算电流/尖峰电流开关柜型号原理图图号设备容量开关柜编号(KW)(A)211264.2301GD2-6831.731N1电流表42L6-ATMY-1(50X6)用户或线路名称用电设备型号,规格线路号中性母线规格电流互感器电LMJ-0.66截及号型缆面01受电11-1电流变比(A)TMY-1(100X8)额定电流 脱扣器额定电流HD13BX-关自开动热接触器C/流定器电继额电MB30H-刀开关或刀熔开关额主母线材料规格BMB30M-定流电(A)ME12501250/1250400A(A)流(A)定/整值定额电(A)短延时400A01GD2-4DS862-242L6-V电度表电压表A11Y3(6)A3X380VPPY2STMPA221QHL4个LMJ-0.661500/5A01~04TA电流互感器4个LMJ-0.661500/5A01~04TA电流互感器水泵站区低压配电柜正面组合图2N2GGD3-06C区低压配电柜正面组合图34576共 页821F12345第 页10000A , 0.4SGGD3-30B( )热风炉照明布袋除尘照明高炉鼓风机站照明水泵站照明高炉区道

CAFTE-03-04空调系统高级诊断L

CAFTE-03-04空调系统高级诊断L

四 空调系统故障分析与诊断
SSCC法
•验证故障现象 •确认重现故障现象所需的条件 •确定相关故障现象 •确定系统 •进行所有为查出故障所需的诊断测试 •解释测试结果 •查找故障根源 •进行适当的修理 •验证修理效果
区别系统
固定节流管
不可清洗维修, 注意颜色区分。
固定节流管拆装工具
H阀
高热负荷 低压侧升温 隔膜下降 阀针往下移 阀在冷凝器 和蒸发箱间 开大
卤素检漏法
丙烷(或酒精)气燃烧 喷灯。制冷剂气体进入 安装在喷灯的吸入管内, 会使喷灯的火焰颜色改 变
卤素检漏仪
制冷系统的温度测试
(1)蒸发器:正常工作时,蒸发器表面温度 不在结霜的前提下越低越好。 (2)冷凝器:正常工作时,冷凝器入口温度 为70-110℃,出口温度为50℃左右。
制冷系统的温度测试-出风口温度
注:当温控开关处于最冷或最暖位置时,电脑不 计算TAO值,按一固定值进行控制。
风门控制
风向控制 车身电子—空调系统
1.循环风门步进马达 4.足部温度传感器 7.空气分配马达
2.右侧温度调节马达 5.空气质量传感器(无) 8.左侧温度调节马达
3.中央出风口温度传感器 6.空气分配风门机构 9.风机控制模块
控制单元对压缩机控制
低压循环开关
高压开关
蒸发箱温度传感器
水温传感器
发动机转速 / 节气门位置传感器
环境温度传感器
还有哪些影响因素?
室内温度传感器
压缩机控制-蒙迪欧
在以下情况下PCM将切断压缩机: ①节气门开度大于90%。 ②空调压力超过限值 ③电瓶电压低于10V。 ③发动机冷却液温度高于117℃。 ⑦PCM与空调控制单元通讯故障。 ⑧环境温度低于4℃。

双色球历史开奖号码-2003年到2019至今 最新版

双色球历史开奖号码-2003年到2019至今 最新版

红球(从小到大)开奖期号类型蓝球3001双色球10111213262811 3002双色球04091920212612 3003双色球01071023283216 3004双色球04060710132503 3005双色球04061517303116 3006双色球01031021262706 3007双色球01091921232607 3008双色球05080914172308 3009双色球05091820223009 3010双色球01020813172413 3011双色球04051112303215 3012双色球02121617273012 3013双色球08131721233212 3014双色球03070821313202 3015双色球04111925263213 3016双色球11172830313306 3017双色球05081823253106 3018双色球05161920252802 3019双色球04081213163309 3020双色球07102526273204 3021双色球14151825263001 3022双色球02071112143206 3023双色球01102022263102 3024双色球02071517223014 3025双色球01051113142712 3026双色球08131526293116 3027双色球01111417272815 3028双色球06131620283207 3029双色球02071526293210 3030双色球02061314232707 3031双色球11172022283201 3032双色球04112527293013 3033双色球01071420273010 3034双色球08131416232514 3035双色球03040508101108 3036双色球07212425272815 3037双色球09141718263207 3038双色球05070824252716 3039双色球03052324273203 3040双色球04050612142316 3041双色球02031718242511 3042双色球03050710152007 3043双色球02081019203213 3044双色球02050916323315 3045双色球03071415173203 3046双色球07081011172611 3047双色球031726283233163048双色球10122028303109 3049双色球03060713242515 3050双色球02081723242613 3051双色球04131517242701 3052双色球01121323303111 3053双色球15192021282913 3054双色球02050921313312 3055双色球06131621283116 3056双色球08172126282907 3057双色球18192425303116 3058双色球09111628323302 3059双色球02030506183004 3060双色球02040617212811 3061双色球05142021283202 3062双色球01061219203214 3063双色球05080914213311 3064双色球04060812153001 3065双色球06151617303311 3066双色球03070820243214 3067双色球05111213273110 3068双色球09192527323311 3069双色球07111619262811 3070双色球01020417181908 3071双色球09111214153311 3072双色球03060811192711 3073双色球02121421233013 3074双色球02121922273201 3075双色球16171922313311 3076双色球01131618202902 3077双色球04121622242506 3078双色球07122326293011 3079双色球12152223263104 3080双色球09202425283010 3081双色球01021426293007 3082双色球07171819303114 3083双色球01031418262801 3084双色球02060710173303 3085双色球01041112192714 3086双色球05121618263013 3087双色球02030405242813 3088双色球03102122243312 3089双色球18192126273316 4001双色球01020307102507 4002双色球10121822303111 4003双色球03050617263308 4004双色球10192223252909 4005双色球09111316171807 4006双色球041218202332064007双色球04121720252809 4008双色球01071022323313 4009双色球01091016222411 4010双色球06070813141915 4011双色球01040813272803 4012双色球01072730313308 4013双色球12142129303213 4014双色球03071117202612 4015双色球01030518222313 4016双色球04070828303205 4017双色球05121415253109 4018双色球02050608283006 4019双色球05101123243204 4020双色球01020922283104 4021双色球05091117262710 4022双色球03101419203006 4023双色球01081417193003 4024双色球01132123253206 4025双色球07081024293304 4026双色球04101418283215 4027双色球01050910183211 4028双色球01020305102212 4029双色球09132022243205 4030双色球01070917263105 4031双色球03061920212411 4032双色球02050811153113 4033双色球01040809192001 4034双色球02071320273014 4035双色球02082627303216 4036双色球02131718263001 4037双色球03041117202605 4038双色球11161725282907 4039双色球10161825262903 4040双色球07171920212911 4041双色球08101722252914 4042双色球06101317182102 4043双色球04091021222410 4044双色球02060712313205 4045双色球01121826272813 4046双色球07151622233214 4047双色球01070811273106 4048双色球08091116172909 4049双色球11121416252909 4050双色球06071921252902 4051双色球02030910152911 4052双色球01121415172909 4053双色球02030409242502 4054双色球091114162728114055双色球06081925293207 4056双色球01202125293002 4057双色球05212325283204 4058双色球01081112273112 4059双色球04071119232610 4060双色球03051124272815 4061双色球13161920233309 4062双色球01122527282913 4063双色球07101316272807 4064双色球14151820273104 4065双色球13142729323308 4066双色球05132023242503 4067双色球01060713163204 4068双色球02081113243115 4069双色球02111520222905 4070双色球10122122303306 4071双色球03081617212906 4072双色球08151828303314 4073双色球02071316232816 4074双色球05061519262913 4075双色球07182126272807 4076双色球03051317253107 4077双色球08091014162607 4078双色球04051021242605 4079双色球07131417193003 4080双色球03082023242616 4081双色球03052124273206 4082双色球03202427293015 4083双色球14162728303306 4084双色球01040811212514 4085双色球03081129303201 4086双色球10131819252701 4087双色球01030708252614 4088双色球02101922243214 4089双色球14172025283014 4090双色球01182024323312 4091双色球09131421303301 4092双色球01040813283102 4093双色球11142027323305 4094双色球05091013242508 4095双色球19222728303201 4096双色球01041216203015 4097双色球10192026293114 4098双色球03121325263103 4099双色球05102122263302 4100双色球06080914243315 4101双色球02091419252615 4102双色球030912152832014103双色球02030509162102 4104双色球07111718242905 4105双色球07091021233012 4106双色球10152326282912 4107双色球01081213182007 4108双色球08131427283112 4109双色球06081017303114 4110双色球14192021223111 4111双色球11161820263102 4112双色球09131521263306 4113双色球08102325313207 4114双色球01060917212201 4115双色球02162030313301 4116双色球01030508143303 4117双色球01030714242507 4118双色球03040712303115 4119双色球06091820253306 4120双色球07081821273210 4121双色球07131618303210 4122双色球03111422243115 5001双色球01070823272814 5002双色球06092026283314 5003双色球09121519223116 5004双色球01040809222303 5005双色球05092026283315 5006双色球02040515213116 5007双色球07151720233315 5008双色球11192227323311 5009双色球02172227293114 5010双色球08101118252601 5011双色球09111315223015 5012双色球02030616223105 5013双色球07081619202406 5014双色球13192123303205 5015双色球04080916172915 5016双色球01050612163015 5017双色球02061025273103 5018双色球01030622232506 5019双色球06111213192208 5020双色球14161920252905 5021双色球02062426303116 5022双色球08101221323304 5023双色球10151920212512 5024双色球05091427313213 5025双色球01071011133207 5026双色球06121420252607 5027双色球01030406213215 5028双色球040922252632105029双色球02142122273014 5030双色球01050914222805 5031双色球04101620233207 5032双色球05151920252903 5033双色球07081214192007 5034双色球05171825283209 5035双色球12162128293014 5036双色球12192021263115 5037双色球07121422243216 5038双色球04071120272816 5039双色球02161819212909 5040双色球01122124303213 5041双色球02111623242903 5042双色球11162126273015 5043双色球04050607083205 5044双色球01061617182209 5045双色球01071015182010 5046双色球09161820222405 5047双色球02030507082715 5048双色球06070810162802 5049双色球02030810252712 5050双色球02091220263213 5051双色球03061419202102 5052双色球01021417303201 5053双色球04071014272909 5054双色球05131718212914 5055双色球05202230323309 5056双色球12171927293109 5057双色球05061015303113 5058双色球04061021252610 5059双色球07111418242907 5060双色球09122125313313 5061双色球05091421232401 5062双色球02071112202307 5063双色球02111318223004 5064双色球10182327303208 5065双色球12161721222316 5066双色球02041011252805 5067双色球03121620212616 5068双色球01081013253313 5069双色球07092124313312 5070双色球03040814162604 5071双色球04081214162210 5072双色球06101920243311 5073双色球01060809182001 5074双色球06091820262909 5075双色球11131416183114 5076双色球040911222528135077双色球08172224323316 5078双色球03111520263211 5079双色球03092024252805 5080双色球01121426273216 5081双色球02041012263003 5082双色球01071114192012 5083双色球03050914163013 5084双色球01020715192003 5085双色球08091314202212 5086双色球07111224272912 5087双色球08091516232608 5088双色球01030718202407 5089双色球05192023263112 5090双色球01092125293203 5091双色球01111215262713 5092双色球08131926283110 5093双色球04061723252914 5094双色球03050923273303 5095双色球09121821282905 5096双色球04051718263304 5097双色球05102327283015 5098双色球12151922313301 5099双色球10131622243109 5100双色球02040914163103 5101双色球09161921222412 5102双色球02050614243112 5103双色球04071618233007 5104双色球02042123303309 5105双色球04152330323303 5106双色球01111324263113 5107双色球09102024252611 5108双色球03101224293006 5109双色球03051315173104 5110双色球07101619242509 5111双色球03071516192909 5112双色球04122228293016 5113双色球15182022262703 5114双色球06071015212706 5115双色球03121823303302 5116双色球04060814153010 5117双色球06172227283203 5118双色球04091215263116 5119双色球01071118202202 5120双色球01061318303214 5121双色球01072025313212 5122双色球01040714303209 5123双色球11121317182507 5124双色球050610193133115125双色球06141828313203 5126双色球02081319252609 5127双色球04061114232512 5128双色球02041423293315 5129双色球05101420273303 5130双色球03050915202516 5131双色球02071011122403 5132双色球02041018272915 5133双色球01071416182511 5134双色球04131418263001 5135双色球01051315212511 5136双色球05141618252713 5137双色球03091523253312 5138双色球03050611202213 5139双色球02072023323310 5140双色球04060708121707 5141双色球03050812161915 5142双色球07101217222905 5143双色球03101517203208 5144双色球01081415192709 5145双色球03070817202815 5146双色球07111920242802 5147双色球06071527283010 5148双色球03151723242913 5149双色球11162123253207 5150双色球03071014182002 5151双色球04111213193005 5152双色球01051214212703 5153双色球04050721262901 6001双色球01121519212803 6002双色球07131621262809 6003双色球02040506162012 6004双色球04081727283107 6005双色球03192024262711 6006双色球08212223263214 6007双色球04161827323307 6008双色球03050918283216 6009双色球05060820263006 6010双色球04061219272908 6011双色球05070814273111 6012双色球09111327313310 6013双色球01050612162111 6014双色球06142629323307 6015双色球02030915293203 6016双色球01071317233016 6017双色球03040831323302 6018双色球01131417242605 6019双色球040613222632076020双色球05092123262906 6021双色球01020520212209 6022双色球02030413162713 6023双色球04131419232808 6024双色球02070911212706 6025双色球03041719243205 6026双色球01021822293203 6027双色球06081114162715 6028双色球05071416172704 6029双色球03040709141908 6030双色球08131517203214 6031双色球03101216313214 6032双色球05182024263109 6033双色球15202223273106 6034双色球02101516173313 6035双色球03091321272913 6036双色球04071016172109 6037双色球02122324253214 6038双色球02141719223010 6039双色球16192228313203 6040双色球15222526283303 6041双色球03101618212804 6042双色球03162326283111 6043双色球05121316233203 6044双色球02101821303105 6045双色球06071014202104 6046双色球13182329313208 6047双色球02172022283203 6048双色球09131925293212 6049双色球06101213172003 6050双色球02061215253107 6051双色球02060717273016 6052双色球11242627303203 6053双色球01111727283102 6054双色球03050710283004 6055双色球04052829313311 6056双色球11131521232508 6057双色球03041718213108 6058双色球01122223242514 6059双色球05101517272911 6060双色球05151923303214 6061双色球05131719253011 6062双色球18222324263001 6063双色球04051521232408 6064双色球03121421242811 6065双色球04081728293013 6066双色球06081118303305 6067双色球070811161724136068双色球03071014303310 6069双色球05162022293008 6070双色球02031113202702 6071双色球05111219293101 6072双色球02030520212408 6073双色球05131618272912 6074双色球01031519253304 6075双色球10212223253311 6076双色球04101721293214 6077双色球08091213193309 6078双色球03051722313312 6079双色球06111317203208 6080双色球15172022262909 6081双色球14161821223204 6082双色球03131523282909 6083双色球07091819262910 6084双色球01121721252812 6085双色球02061821242508 6086双色球04061024263106 6087双色球04050809123005 6088双色球03112024252601 6089双色球01131618192201 6090双色球02111520232911 6091双色球07081221222407 6092双色球02081116202114 6093双色球02121618192305 6094双色球15161718243313 6095双色球01031720212916 6096双色球01050913183314 6097双色球11141520262712 6098双色球06071011182316 6099双色球09121823242705 6100双色球01111826303203 6101双色球09122026272816 6102双色球01041319202411 6103双色球12141525283106 6104双色球03072227283111 6105双色球05121415203101 6106双色球02121419283310 6107双色球01060813173007 6108双色球02060820243009 6109双色球01051718232613 6110双色球09121418273313 6111双色球01081116172215 6112双色球04091315313311 6113双色球05141718283302 6114双色球08101420272916 6115双色球011020262829156116双色球05162122323309 6117双色球06142022232609 6118双色球01030708103005 6119双色球01021420273002 6120双色球06081415243309 6121双色球03040627313306 6122双色球04050608222403 6123双色球02032025283206 6124双色球12131418313213 6125双色球15192330323306 6126双色球02081316243309 6127双色球03041117193001 6128双色球04152130313305 6129双色球09141822272912 6130双色球01122122303202 6131双色球03040922263301 6132双色球06142226303301 6133双色球04062025293103 6134双色球10131826283012 6135双色球04192122233104 6136双色球11151721222405 6137双色球10141721273109 6138双色球04091117182608 6139双色球07081421232505 6140双色球01081118192305 6141双色球16182223253111 6142双色球10161922262716 6143双色球01152029313208 6144双色球04101316222906 6145双色球02072326283107 6146双色球03091323283005 6147双色球01041517273101 6148双色球04081213232901 6149双色球02030511153215 6150双色球08091218252712 6151双色球01030406162208 6152双色球01142025273115 6153双色球01071120303310 6154双色球07141820303313 7001双色球02040910202614 7002双色球05061420212201 7003双色球05091112222715 7004双色球03071013253310 7005双色球01050616243012 7006双色球06101422262711 7007双色球04121517223214 7008双色球01040518192510 7009双色球020414152527157010双色球03081417303205 7011双色球03101525283316 7012双色球03050721262804 7013双色球05151827293205 7014双色球01131620242609 7015双色球03040818223015 7016双色球01182022263305 7017双色球05091024253214 7018双色球01121820212611 7019双色球04111623293114 7020双色球05101620283114 7021双色球03060911253113 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班别班号姓名Name升班至promojr2005

班别班号姓名Name升班至promojr2005

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2C07CHEUNG KA WA a3D 2C08CHEUNG KWOK CHUN3D 2C09CHO WING HUNG3E 2C10CHOI CHIU TING W3E 2C11CHOW CHING MAN P3A 2C12CHUN SIU SHAN3E 2C13CHUNG HANG MEI3C 2C14FAN KA YAN S Y3C 2C15HUNG CHIU TING L3E 2C16KO HOI CHING3C 2C17KWOK CHI LOK3D 2C18LAM KAI MING L W3D 2C19LAM YAN MING L Y3B 2C20LAU CHING YEUNG B F3A 2C21LAU KA YIN B a3D 2C22LAU SHUK YEE B3E 2C23LEE CHEUK MAN Z3D 2C24LEE HA TUNG L3E 2C25LEUNG NGA YU3D 2C26LEUNG OI YAN Y3C 2C27LI SATTAWOOT2E 2C28LO CHI HANG3E 2C29LO CHING HIN a3E 2C30LO FEI WEI3D 2C31LUI HO YIN E M3C 2C32NG CHUNG YI3B 2C33NG HOI YAN Y3D 2C34POON WING TAT3A 2C35SO WING LAAM P3D 2C36TO HO YIN E3D 2C37WONG CHI LAM Y3A 2C38WONG YAT FUNG3D 2C39YAU YIU FOR3A 2C40YIM TSZ YAN Y3A2D01AU CHO YIN3C 2D02CHAN KING SING3B 2D03CHAN MING WAI3C 2D04CHAN TSZ YAN3B 2D05CHENG HOI YEE G3E 2D06CHENG WING SUM G2C 2D07CHIU FUNG NGAN3A 2D08CHUNG YIU MO Z2D 2D09FAN WAI HUNG S3C 2D10LAI CHUI YING A3B 2D11LAI NOK SZE3E 2D12LAM CHUNG HIN L a3C 2D13LAM KA HO L a3B 2D14LAM KEI WAI L3A 2D15LAM WAI LEONG L3D 2D16LAU CHUNG LAI B3B 2D17LAU HO TING B E3E 2D18LEE SHU KI2E 2D19LEUNG TIK SZE3D 2D20LIU YEE KI3A 2D21MAK TZE HIM3A 2D22MOK HOI LAM Y3E 2D23NG PO KI O B2B 2D24POON HIU YI3C 2D25POON KING YI3A 2D26TAM YIK HO3B 2D27TANG WING LAM JESSICA H Y3C 2D28TO CHEUK LING3E 2D29TSANG WAI HIN a2A 2D30WONG DOU FAI D3E 2D31WONG LAI CHING R3B 2D32WONG NGA MAN3C 2D33WONG PO YEE3D 2D34WONG WING SZE3A 2D35WONG YI KA H3A 2D36WU WING HANG3D 2D37YAU KA MAN3E 2D38YEUNG CHING YIN F3E 2D39YIK SHUK LAI R3E 2D40YU KA WAI E3D2E01CHAN CHEUK YING3E 2E02CHAN CHUNG MAN3E 2E03CHAN KONG YI3C 2E04CHAN YU SHING3A 2E05CHANG TING WAI TOBIE a 3E 2E06CHEUNG HIU MAN3B 2E07CHEUNG HOI KIT3C 2E08CHEUNG KA YAN Y3A 2E09CHEUNG WING LAM O3D 2E10CHING HO FEI E3A 2E11CHOW LAP KEI P3A 2E12CHUNG WEN SUM3A 2E13FAN MAN FAN3A 2E14HO HIU LAM Y3B 2E15HO TSZ HO3B 2E16IP CHUNG SEE JOYCE3E 2E17KWOK PUI YI3C 2E18KWOK WEN KEI3A 2E19LAI WING HANG3A 2E20LAM SHING FUNG L W3C 2E21LEE MAN NOK3B 2E22LEUNG NGA SZE3E 2E23LI LING LING a3C 2E24LI MAN CHUNG Z3D 2E25LUK WING YAN3C 2E26MAK YING SZE3C 2E27PANG HOI YAN Y3E 2E28POON HING TAI3B 2E29SHUM CHEUK WAI H3C 2E30SZETO KA WING3D 2E31TANG PAK KAN H栢 3C 2E32TIN SAU FAN3E 2E33WAN YUET LING MAY3A 2E34WONG CHUN NING F3E 2E35WONG HOI TING3D 2E36WONG LOK TO3D 2E37WONG SIU KUK3C 2E38YAU YU TING3E 2E39YIM CHO KIU ICE Y3CName Z3A38YU HEI MAN E Z3C 3B16LI WAI LUN3C 3C19LAU WAI YEE B3D 3C26LI SZE YING3D 3D05CHAN SUET MAN3E 3D27LUK TSZ KIN3E 3E03CHAN TSZ HO3B 3E18CHOW MAN HIN P a3A 3E28TO YUN YIN STANLEY3A。

2A 质量罚款单 NCR-FE-004

2A 质量罚款单 NCR-FE-004
33
2365-DHA43-HCS-041039016-02
103CS2P
34
2365-DHA43-HCS-041039017-02
103CS2P
焊接完成2道对焊口,影响一个探伤批次,其中一道是样口
35
2365-DHA43-HCS-041039026-01
103CS2P
焊接完成2道对焊口,影响一个探伤批次
39
2365-DHA43-HCS-041039029-02
103CS2P
焊接完成3道对焊口,影响一个探伤批次,其中一道是样口
40
2365-DHA43-HCS-041048004-01
103CS1P
焊接完成9道对焊口,影响两个探伤批次,其中一道是样口
41
2365-DHA43-HCS-041048004-02
责任人罚款金额李林科200sr提出人审核人批准人日期seqisonopipeclass备注12365dha22die04105300201103cs1p焊接完成3道对焊口影响一个探伤批次23456782365dha32lub041007302012365dha32lub041007303012365dha32lub041007304012365dha32lub041007308012365dha32lub041007309012365dha32lub041007310012365dha33hcs04102300601101sd0p101sd0p101sd0p101sd0p101sd0p101sd0p206sj1h92365dha34mpc04115130101103cs1p焊接完成2道对焊口影响一个探伤批次并且其中一道是样口且已拍完片焊接完成6道对焊口影响一个探伤批次102365dha34mpc04115130102103cs1p11121314151617181920212223242365dha34pro041014006022365dha34pro041014009022365dha42h2h041008009012365dha42h2h041008010012365dha42h2h041008012012365dha42h2h041008013012365dha42h2h041008014012365dha42h2h041008015012365dha42h2h041008017012365dha42h2h041008019012365dha42h2h041008020012365dha42h2h041008021012365dha42h2h041015013012365dha42h2h04101701101103cl2p103cl2p225sj2h225ns1n225ns1n225ns1n225ns1n225ns1n225ns1n225ns1n225sj2h225ns1n225sj1h225sj1h252627282365dha42h2h041017011022365dha42hcs041015004012365dha42hcs041015004022365dha42hcs04101500403225sj1h103sa1p103sa1p103sa1p292365dha43hcs0410390140110

小学英语课标单词-全整合版必会

小学英语课标单词-全整合版必会

小学毕业应掌握英语辞汇A:1.*an (art) 一,一个1A-022.*about (adv) 大约,关于,周围3. advice (n) 忠告,建议6A-024.*afraid (adj) 害怕,担忧5A-015.*after (adv&prep) 在......以后4B-096.*afternoon (n) 下午,午后4B-097.*again (adv) 又,再次3A-018.age (n) 年龄9.ago (adv) 以前的,以往的10.agree (v) 同意6B-0911.air (n) 空气5B-0112.*all (adj) 全数的,所有的13.*also (adv) 也,一样14.*always (adv) 老是,永远4B-0915.America (n) 美国,美洲2A-0316.American (adj&n) 美国的,美洲的,美国人17.*and (conj) 和,同2B-1018.*angry (adj) 生气的,愤怒的6A-0519.*animal (n) 动物3B-0820.*answer (v) 回答,回答21.*any (pron&adj) 任何的4A-0322.*apple (n) 苹果1A-0123. April (n) 四月5A-0424.*arm (n) 臂3B-1125.around (prep) 在......周围26.arrive (v) 抵达,抵达27.*art (n) 艺术3A-0528.as (adv) 一样的,被看做29.*ask (v) 询问,要求5B-1130.*at (prep) 在,于,向31.August (n) 八月5B-0432.*aunt (n) 姑,婶,姨2A-0433.Australia (n) 澳洲,澳大利亚34.*autumn (n) 秋季5A-04 B:1.*baby (n) 婴儿2.*back (n) 背部,后面5A-023.*bad (adj) 坏的,不好的3B-084.*bag (n) 书包,袋子1A-035.*ball (n) 球6. balloon (n) 气球7.*banana (n) 香蕉1A-018. bank (n) 银行4A-059. baseball (n) 棒球,棒球运动6A-0410.*basketball (n) 篮球5B-0911. bathroom (n) 浴室,盥洗室3A-0412.*be(am,is,are,was,were)(v) 是13. beach (n) 海滩14.*bear (n) 熊2B-1015.*beautiful (adj) 美丽的,很好的16. because (conj) 因为5A-0317. become<became> (v) 变成,成为18.*bed (n) 床4A-0419.bedroom (n) 卧室3A-0420.beef (n) 牛肉21.*before (prep) 在......前,以前22.*begin<began> (v) 开始,首先23.*behind (prep) 在......以后4A-0424. bell (n) 铃,钟25.*beside (prep) 在......隔壁26. better (adj&adv) 较好的,更好地3B-1127.*between (prep) 在......之间4A-0528.*big (adj) 大,大的2B-0929.*bike=bicycle (n) 自行车2A-0530.*bird (n) 鸟1B-0731.*birthday (n) 生日5A-0432.*black (adj&n) 黑色的,黑色2B-1033.*blackboard (n) 黑板34.*blue (adj&n) 蓝色的,蓝色1A-0435.*boat (n) 小船,艇2A-0536.*body (n) 身体37.*book (n) 书1A-0138. boring (adj) 令人烦厌的5A-1039. borrow (v) 借,借入40. bottle (n) 瓶子6B-0941. bowl (n) 碗42.*box (n) 盒子,箱43.*boy (n) 男孩1A-0244.*bread (n) 面包45. break<broke> (v) 打破5B-11/6B-0946.*breakfast (n) 早饭4B-0947. bridge (n) 桥48. bright (n) 敞亮的,伶俐的49.*bring (v) 带来50. Britain (n) 英国2A-0351.*brother (n) 兄,弟52.*brown (adj&n) 棕色(的),咖啡色1A-0453. Building (n) 建筑物54.*bus (n) 公共汽车55.*busy (adj) 忙碌的6A-0256.*but (conj) 可是,但是2A-1157. butter (n) 黄油,牛油5B-1158. butterfly (n)蝴蝶2B-1059.*buy<brought> (v) 买5B-1060.*by (prep) 在周围61. bye (int) 再会C:1.*cake (n) 蛋糕,饼2.*call (v) 叫,喊;(给某人)打4A-013.Camera (n) 照相机4.*can (could) <aux> 能够,会1B-125.Canada (n) 加拿大2A-036.*candy (n) 糖果2B-127.*cap (n) 帽子3B-108.*car (n) 汽车,小汽车2A-059.*card (n) 纸牌,卡片10. careful (adj) 小心的,仔细的11. carrot (n) 故萝卜2B-0812. carry (v) 携带,输送2B-1113. *cat (n) 猫1A-0214. catch(caught)<v> 捕捉2B-1115. centre (n) 中心,中央5A-0516. CD (n) 光盘3A-0317.*chair (n) 椅子,扶手椅18. change (n) 改变19. cheap (adj)廉价的,不之前的4A-0320. check (v) 检查5A-0421. cheer (n) 愉快,欢呼5B-0922. chess (n) 国际象棋23.*chicken (n) 鸡肉,小鸡1B-0924.*child <n> 孩子(孩子们)25.*China (n) 中国26.*Chinese (adj&n) 中国的,中国人,汉语3A-0527. chocolate (n) 巧克力28. Christmas (n) 圣诞节3A-0529.* cinema (n) 电影院,电影30. circle (n) 圆周,圆形物1B-0831.* city(n) 城市,都市6A-0632.*class(n) 班级4B-0733.classmate(n) 同班同窗6A-0134.classroom(n)教室3A-0535.clean(adj&v) 清洁的;擦干净5A-0236.clear(adj) 清楚的,清楚的37.*clever(adj) 机灵的,伶俐的38.climb(v) 攀登、爬2B-1139.*clock(n) 时钟3B-1040.*close(v) 关,关闭4B-1041.*clothes(n) 衣服,【总称】衣服4A-0342.clouds(n) 云4B-1143.* cloudy(adj) 多云的4B-1144.club (n) 俱乐部6A-0145.*coat(n)外衣,上衣46.coffee(n)咖啡47.coke(n) 可乐48.*cold(adj&n)冷的;伤风3B-0949.collect(v) 搜集50.*colo(u)r(n)颜色2B-1051.*come(came)(v)来,来临4A-0252.*computer(n) 计算机,电脑2A-0553.concert(n) 音乐会5B-0854.*cook(n&v) 厨师&烹饪55.*cool(adj) 凉的,凉爽的4B-1156.cough(n) 咳嗽5A-0257.*cousin(n) 堂兄弟姊妹,表兄弟姊妹58.*cow(n)母牛3B-1259.*crayon(n)有色粉笔,蜡笔60.cross(n)十字61.*cry(v)哭,流泪62.cup(n)杯子,奖杯D:1.*dad(daddy)(n) 爸爸(爹爹)2A-052.*dance(n&v) 跳舞;舞蹈1B-123.dangerous(adj) 危险的4.dark(n) 黑暗,夜6B-095.date(n) 日期5A-046.daughter(n) 女儿7.*day(n)天,日4B-078.*dear(adj)亲爱的,昂贵的9.December(n) 十二月5A-0410.decide(v) 决定,裁决5A-0311.delicious(adj) 美味的12.dentist(n)牙科医生6A-0513.* dictionary(n) 字典,词典5B-1014.difference(n) 不同15.different(adj)有不同的6B-0916.*difficult(adj) 困难的5B-1017.*dinner(n)主餐,正餐3A-1018.*dirty(adj) 龌龊的19.dish(n)盘,碟6A-0220.*do(did)(v) 做3B-0721.*doctor(n) 医生4A-0122.*dog(n) 狗、犬1A-0223.doll(n) 洋娃娃24.*door(n) 门25.*down(adv)向下,在下面26.downstairs(adv) 在楼下,住楼下27.*draw(drew)(v)画2B-1128.*dress(n)连衣裙,套裙1B-1129.*drink(drank)(v)喝3A-0430.drive(drove)(v)驾驶31.*driver(n)驾驶员32.*duck(n)鸭子1A-0233.during(prep)在...期间,在...时候E:1.*ear(n) 耳朵3B-112.*early(adv) 早4B-083. east(n) 东方4.*easy(adj) 容易的6A-015.eat(ate)(v) 吃4B-096.*egg(n) 鸡蛋1A-037.*elephant(n)大象1A-038.*e-mail(n) 电子邮件9.engineer (n) 工程师10.England (n) 英国11.*English(n) 英国人的,英语3A-0512.enjoy(v) 享受...的乐趣,喜爱13.eraser(n)橡皮2A-0214.*evening(n) 晚上,傍晚4B-0915.*every(adj)每一的,每一个的4B-0716. exam=examination(n)检查,考试17.exciting(adj)令人兴奋的,令人激动的5B-1018.excuse(v) 原谅4B-0819.*exercise(n) 练习,习题20.expensive(adj) 昂贵的4B-0321.*eye(n) 眼睛3B-11F:1.*face (n) 脸,面容3B-112.factory (n) 工厂3.*family (n) 家,家庭2A-044.famous (adj) 著名的,出名的5.*fan (n) 扇子,迷,狂热者6.*far (adj) 远方的,久远的4B-107.*farm (n) 农场,农庄4B-118.*farmer (n) 农夫,农民4A-019.*fast (adj) 快速的5A-0310.fat (adj) 肥大的3B-0811.*father (n) 父亲,爸爸1B-1012.*favo(u)rite (adj) 喜爱的,中意的3B-0913.February (n) 二月5A-0414.feed(fed) (v) 喂养6A-0215.*feel(felt) (v) 感觉,觉得6A-0216.festival (n) 节日17.fever (n) 发烧,发热18.*film (n) 电影19.*find(found) (v) 找到,发现5B-1020.*fine (adj) 美好的,优良的4B-1121.finger (n) 手指3B-1122.fire (n) 火23.*fish (n) 鱼1A-0324.fix (v) 修理4B-0825.flag (n) 旗26.*floor (n) 地面,地板4A-0427.*flower (n) 花2B-0928.*fly(flew) (v) 飞29.*food (n) 食物3B-0730.*foot(pl. feet) (n) 脚3B-1131.*for (prep) 足球32.forest (n) 森林33.fork (n) 叉34.fox (n) 狐狸4A-0235.France (n) 法国36.free (adj) 自由的,空闲的4B-1037.Friday (n) 星期五4B-0738.fridge (n) 冰箱39.*friend (n) 朋友1B-1040.*from (prep) 来自,从……来41.front (n) 前面,开头42.*fruit (n) 水果,果实3B-0743.fun (n) 乐趣,娱乐;玩笑4B-1144.funny (adj) 有趣的,好笑的5A-0445.future (n) 将来,未来6B-09G:1.*game (n) 比赛,游戏1A-022.garden (n) (菜、花)园3.gate (n) 大门4.*get(got) (v) 取得,变成4A-015.gift (n) 礼物,礼物1A-046.giraffe (n) 长颈鹿7.*girl (n) 女孩1A-028.*give(gave)(v) 给,授予5B-079.glad (adj)高兴的,快活的6A-0510.glass (n)玻璃,玻璃杯11.glove (n)手套6A-0412.glue (n)胶水13.*go (went)(v)离去,走3A-0514.*good (adj)好的3B-0815.*goodbye (int)再会2A-0116.grade (n)品级,级别;年级17.*grandfather(grandpa)(n)祖父18.*grandmother(grandma)(n)祖母19.grape (n)葡萄,葡萄树20.*grass (n)草,草坪6A-0221.*great (adj)伟大的,庞大的22.*green (adj & n)绿色的;绿色1A-0423.group (n)集体;组24.grow(grew)(v)生长,成长25.guess (v)猜5B-11H:1.*hair (n) 头发3B-112.*half (n) 一半,半小时3.hamburger (n) 汉堡包1B-094.*hand (n & v) 手;传递5.happen (v)发生,可巧6.*happy (adj)幸福的,快乐的3A-057.hard (adj)硬的,牢固的;困难的8.hat (n) 帽子1A-049.*have(had)(v)有,持有3B-1010.*head (n) 头,头脑3B-1111.headache (n) 头痛12.health (n) 健康13.*healthy (adj)健康的14.*hear(heard)(v)听,听见6B-0815.heart (n) 心,心形1B-0816.*heavy (adj)重的5A-0517.*hello (int & n)喂(回答或表示问候、引发注意等)1A-0118.*help (v)帮忙,帮忙19.*here (adv)这里,在这里20.*hi (int)嗨(表示问候或引发注意)21.*high (adj)高的,高度的5A-0322.hill (n) 小山23.history (n) 历史6A-0124.hobby (n) 业余爱好25.hold(held)(v)拿住26.*holiday (n) 假日,节日4B-0727.*home (adv & n) 在家,回家;家4A-0128.homework (n) 家庭作业,副业6A-0229.hope (n) 希望,信心6B-0930.*horse (n) 马4A-0231.*hospital (n) 医院4A-0532.*hot (adj)热的3B-0933.hotel (n) 旅馆34.*hour (n) 小时35.*house (n) 屋子2B-1136.housework (n) 家务,劳动37.*how (adv)多少,何等4A-0138.*hungry (adj)饿的3B-0939.hurry (v)赶快4B-0840.hurt (hurt)(v)受伤3B-11I:1.ice (n) 冰冻3B-112.*ice-cream (n) 冰淇淋1B-093.*idea (n) 主意;想法6A-044.ill (adj)有病的5.*in (prep)在……里面4A-046.insect (n) 昆虫1A-057.*interesting (adj)有趣的,成心思的5B-108.Internet (n) 因特网,国际互联网络6A-069.into (prep)到里,进入到之内J:1.jacket (n) 茄克衫1A-052.January (n) 一月5A-043.Japan (n) 日本4.jeans (n) 牛仔裤4A-035.job (n) 工作6.join (v)参加7.*juice (n) 果汁1B-098.July (n) 七月5A-049.*jump (n) 跳跃1B-1210.June (n) 六月5A-0411.just (adv)仅仅,只是K:1.keep(kept)(v)维持,保留5A-042.key (n) 钥匙1A-063.keyboard (n) (计算机)键盘3A-034.*kid (n) 小孩5.*kind (adj)仁慈的,亲切的6.*kitchen (n) 厨房3A-047.*kite (n) 风筝1A-068.knife (n) 小刀,餐刀5B-119.*know(knew)(v)知道,了解4A-02L:1.*lake (n) 湖6A-06rge (adj)大的4A-03st (adj)最后的5A-034.*late (adj & 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Tuesday (n) 礼拜二4B-0757. *turn (v) 转动,旋转4A-0558. *TV (n) 电视U:1.ugly (adj) 丑陋的,难看的5B-112.*umbrella (n) 伞,雨伞1B-113.*uncle (n) 叔,伯,舅2A-044.*under (prep) 在……下面4A-045.*up (adv) 向上,在……上面6.*use (v) 利用,利用eful (adj) 有效的,有利的ually (adv) 通常4B-09V:28.vacation (n) 假期5A-0229.*vegetable (n) 蔬菜3B-0730.*very (adv) 很,甚3A-0131.video (n) 电视,录像,视频3A-0332.violin (n) 小提琴,小提琴手1B-1133.*visit (v) 参观,造访4B-0734.visitor (n) 访问者,宾客35.volleyball (n) 排球5B-09 W:1.*wait (v) 等,等候2.waiter (n) 服务员3.*walk (v) 走路,散步1B-124.wall (n) 墙壁,围墙5.*want (v) 想要,要3B-096. *warm (adj) 温暖的4B-117.*wash (v) 洗,洗涤3A-048.*watch (n&v) 腕表,观看1B-11, 3B-109.* water (n) 水3B-0910.watermelon (n) 西瓜1B-1111.* way (n) 路,线路12.*wear(wore)(v) 穿着13.*weather (n) 天气4B-1114.Wednesday (n) 礼拜三4B-0715.*week (n) 礼拜,周4B-0716. weekday (n) 周日,平日17. weekend (n) 周末6A-0518.weigh (v) 称重量,称5A-0519.*welcome (n&adj) 受欢迎的,欢迎3A-0420.*well (adv) 好,满意的3B-1121.west (n) 西方,西部22.*what (pron) 什么,何等2A-0123.*when (adv) 何时4B-0924. *where (adv) 在哪里4A-0425.which (pron) 哪个,哪几个26. *white (adj) 白(色)的,白种人的2B-1027.*who (pron) 谁2A-0328.*whose (pron) 谁的,那(些)人的3A-0329.*why (adv) 为何5A-0530.wide (adj) 宽的,广漠的31.will(would) (v) 将,愿意32.*window (n) 窗,窗口5A-0233.*windy (adj) 有风的,起风的4B-1134.*winter (n) 冬季,冬季5A-0435.wish (n) 愿望,心愿36.*with (prep) 和……在一路4B-0737.*woman (pl. women) (n) 妇女3B-0838. *wonderful (adj) 令人惊奇的,奇妙的39. *word (n) 字,词40. *work (v&n) 工作6B-0941. *worker (n) 工人42.world (n) 世界,界43.*worry (v) 使烦恼,使焦虑4A-0144.*write(wrote) (v) 写2B-1145. *wrong (adj) 错误的,不合法的5A-05Y:1.*year (n) 年,年龄5A-042.*yellow (adj&n) 黄色的,黄色1A-043.*yes (adv) 是4.*yesterday (n) 昨天5A-015.*young (adj) 年轻的,幼小的3B-08 Z:1.zebra (n) 斑马1B-122.*zoo (n) 动物园1B-12。

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杭州师范学院信息工程学院2003-2004年第二学期期终考试
《大学物理》试卷( A )
班级: 学号: 姓名:
题号 一 二 三 四 五 六 总分
分数
一、选择题(30分, 每小题3分)
1.一个质点在做匀速率圆周运动时( )。

(A)切向加速度改变,法向加速度也改变;(B)切向加速度不变,法向加速度改变;
(C)切向加速度不变,法向加速度也不变;(D)切向加速度改变,法向加速度不变。

2. 一力学系统由两个质点组成,它们之间只有引力作用,若两质点所受外力的矢量和为零,则此系统( ) 。

(A)动量、机械能以及对一轴的角动量守恒;
(B)动量、机械能守恒,但角动量是否守恒不能确定;
(C)动量守恒、但机械能和角动量是否守恒不能确定;
(D)动量和角动量守恒、但机械能是否守恒不能确定。

3. 已知一定量的某种理想气体,在温度为T1 与T2时的分子最可几速率分别为Vp1和Vp2 ,分子速率分布函数的最大值分别为 f(Vp1)和 f(Vp2), 若T1>T2 , 则( )。

(A) Vp1 > Vp2 , f (Vp1) > f (Vp2) ;
(B) Vp1 > Vp2 , f (Vp1) < f (Vp2) ;
(C) Vp1 < Vp2 , f (Vp1) > f (Vp2) ;
(D) Vp1 < Vp2 , f (Vp1) < f (Vp2) 。

4. 对于一个物体系来说,在下列条件中,那种情况下系统的机械能守恒()。

(A)合外力为0;(B)合外力不作功;
(C)外力和非保守内力都不作功;(D)外力和保守内力都不作功。

5. 一绝热容器被隔板分成两半,一半是真空,另一半是理想气体。

若把隔板抽出,气体将进行自由膨胀,达到平衡后()。

(A)温度不变,熵增加;(B)温度升高,熵增加;
(C )温度降低,熵增加; (D)温度不变,熵不变。

6. 如图所示,一个带电量为 q 的点电荷位于立方体的 A 角上,则通过侧面 abcd 的电场强度通量等于( )。

d
(A ) 06εq ; (B ) 012εq

(C ) 024εq ; (D ) 048εq。

7. 如果某带电体其电荷分布的体密度 r 增大为原来的 2 倍,则其电场的能量变为原来的( )。

(A )2倍 ; (B ) 1/2倍 ; (C )4倍 ; (D ) 1/4倍 。

8. 顺磁物质的磁导率( )。

(A )比真空的磁导率略小; (B )比真空的磁导率略大; (C )远小于真空的磁导率; (D )远大于真空的磁导率。

9. 如图所示带负电的粒子束垂直地射入两磁铁之间的水平磁场,则( )。

(A)粒子以原有速度在原来的方向上继续运动; (B)粒子向极移动; (C)粒子向极移动;
N S (D)粒子向上偏转; (E)粒子向下偏转。

10. 如图,导体棒AB 在均匀磁场B r
中绕通过C 点的垂直于棒长且沿磁场方向的轴
O O ′
转动(角速度ωr 与B r
同方向),BC 的长度为棒长的31
,则( )。

(A) A 点比B 点电势高;
(B) A 点与B 点电势相等;
(C) A 点比B 点电势低;
(D) 有稳恒电流从A 点流向B 点.
二、填空题(30分, 每小题3分)
1. 一个质点在做匀速率圆周运动时,切向加速度 ,法向加速度 (填改变或不变)。

2. 平抛运动的运动方程 ⎪⎩

⎨⎧−==2021gt y t v x , 则轨迹方程为 。

3. 质量为 m = 0.5 kg 的质点,在 XOY 坐标平面内运动,其运动方程为 x=5t ,y=0.5t 2
(SI ),从t = 2s 到 t = 4s 这段时间内,外力对质点作的功为 。

4. 如图所示,固定斜面与竖直墙壁均光 滑,则质量为的小球对斜面作用力的大小 m 为 。

5. 一氧气瓶的容积为V ,充入氧气的压强为,用了一段时间后压强降为,则瓶中剩下的氧气的内能与未用前氧气的内能之比为 1P 2P 。

6. C 1,C 2 两电容分别标明:200 pF 、500 V ;300 pF 、900 V 。

串联后等效电容C = ,把串联后的C 1 C 2 加上1000 V 电压,C 1 ,C 2 (填击穿或不击穿)。

7. 一偶极矩为的电偶极子放在场强为p r E r 的均匀外电场中,p r
与E r 的夹角为α 角。

在此电偶极子绕垂直于(,p r E r
) 平面的轴沿α角增加的方向转过的过程中,电场力作
功o 180=A 。

8. 一根直导线在磁感应强度为B r 的均匀磁场中以速度v v
运动切割磁力线。

导线中对应
于非静电力的场强(称作非静电场场强)=K E r。

9. 一半径为的无限长直载流导线,沿轴 a 向均匀地流有电流I 。

若作一个半径为a R 5=、 高为l 的柱形曲面,已知此柱形曲面的轴与载流
导线的轴平行且相距(如图),则a 3B r
在圆柱侧
面上的积分S ∫∫=⋅s
S B r
r d 。

10. 反映电磁场基本性质和规律的积分形式的麦克斯韦方程组为
∑∫==⋅n
i i s
q s d D 1
r r ①
dt d l d E m L
/Φ−=⋅∫r
r ② 0=⋅∫
s
s d B r
r ③

∑Φ+=⋅=L
e n
i i dt d I l d H /1
r r ④
试判断下列结论是包含于或等效于哪一个麦克斯韦方程式的,将你确定的方程式用代号填在相应结论后的空白处。

(1) 变化的磁场一定伴随有电场; ; (2) 磁感应线是无头无尾的; ; (3) 电荷总伴随有电场; 。

三、一物体与斜面间的摩擦系数20.0=μ,斜面固定,倾角。

现给予物体以初速率
10m /s ,使它沿斜面向上滑,
o 45=α=0
v 如图所示,求:
(1)物体能够上升的最大高度; h (2)该物体达到最高点后,沿斜 面返回到原出发点时的速率v 。

(本题10分)
四、1 mo l 单原子分子的理想气体, 经历如图所示的可逆循环, 联接 ac 两点的曲线 Ⅲ方程为 P = P 0V 2/ V 02 , a 点的温度
V
P 0
9 P 0
为 T 0 ,
(1) 试以 T 0 ,R 表示Ⅰ、Ⅱ、Ⅲ
过程中气体吸收的热量。

(2) 求此循环的效率。

(本题10分)
五、实验表明, 在靠近地面处有相当强的电场,电场强度E r
垂直于地面向下,大小约为100N /C ;在离地面1.5km 高的地方,E r
也是垂直于地面向下的,大小约为25N /C 。

(1) 试计算从地面到此高度大气中电荷的平均体密度;
(2) 假设地球表面处的电场强度完全是由均匀分布在地表面的电荷产生,求地面上的电荷面密度。

(已知:) (本题10分)
212120m N C 1085.8−−−⋅⋅×=ε
六、长直导线中通有电流I = 10 A,长l = 0.2 cm的金属棒AB以速度V = 2 ms-1平行于长直导线作匀速运动。

棒近导线一端距导线a = 0.1 m,求金属棒中的感应电动势。

(本题10分)。

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