对CPU资源占用100%的解决方法
Yokogawa PH20和FU20 pH Redox和温度传感器用户手册说明书
Model PH20 and FU20pH/Redox and Temperature sensorThe PH20 is nicknamed “Tempress” because of the patented compensation for changes in the process temperature andpressure. This simple mechanical feature makes the sensor more accurate, and gives it a longer lifetime. The compensation panels flex to accommodate changes in the avoiding large differential pressures across the diaphragm. This prevents most problems associated with the reference junction. Made in chemically resistant PVDF, this all-in-one sensor has elements to measure pH, ORP and temperature. The reference system is Silver/Silver Chloride, with a double junction and a gelled electrolyte to combat pollution. The Platinum Redox electrode doubles as a solution ground, essential for uncompromising accuracy, and for sensor diagnostic measurements.The FU20 combination sensors show how Yokogawa applies the motto “Simply the Best” to sensor technology. The wide body sensors (26 mm diameter) hold four separate elements in one unbreakable PPS 40GF (RytonTM) body. Installation is simple with the integrated industrial 3/4” tapered thread. The large volume gelled electrolyte and the double junction reference system slows down depletion and poisoning therefore extending the lifetime. The system is targeted at those applications where simplicity will result in accurate and reliable pH- or redoxmeasurements. This means that in 90% of the know applications this sensor will be an excellent choice.Features• Simultaneous pH- and ORP measurement • I ntegral Pt1000 temperature element for enhanced accuracy • Available with VP connector • D ouble junction and long diffusional path for reference pollution resistance • E xtended life time by large volume of polymerized electrolyte and porous PTFE diaphragm • S olid Glass/Platinum electrode for solution ground or ORP measurement• Simple maintenance by comprehensive design • Direct in-line, immersion or off-line installation • Calibration certificate delivered with each sensorGeneralSpecificationsGeneral Specifications PH20Measuring elements: p H glass electrode and Silver/Silver chloride reference system.: P latinum electrode and Pt1000temperature sensor. Construction materialsBody : PVDFEarthing pin : Solid platinum/glassO-ring : VitonReference junction : Porous PTFECable : Coaxial with 4 extra leads Sheetmaterial : Thermoplastic rubber Functional specifications (at 25°C)Isothermal point : pH 7Reference system : Ag/AgCl with saturated KCl Glass impedance : 200 MΩ (nominal), G-glass Junction resistance : 1 to10 kΩTemperature element : Pt1000 to IEC 751 Asymmetry potential : < 15 mVSlope : > 96 % (of theoretical value) Dynamic specifications (at 25°C)Response time pH step (7 to 4): < 10 sec for 90%Response time temp. step (10°C): < 3 min for 90 %Stabilisation time (0.02 pH/10 s): < 1 minuteOperating rangepH : 0 - 14*Temperature : -10 to 105ºC (14 to 212 °F) Pressure : 0 to 10 bar ( 0 to 142 PSIG) Conductivity : > 50 µS/cmStorage temperature : -30 to 50ºC (-22 to 122 °F)The erratic trend of the standard sensor shows the progressive contamination of its reference junction. The graph indicates between 0.1 to 0.4 pH error with the conventional sensor while the readings from the PH20 are extremely stable.General Specifications FU20Measuring elements : p H glass electrode and silverchloride reference system.Platinum electrode and Pt1000temperature sensor. Construction materialsBody : R yton R4TM (PPS 40GF) with glassfillingEarthing pin : Solid platinumO-ring : NoneReference junction : Porous PTFECable : Coaxial with 4 extra leads Sheetmaterial : Thermoplastic rubber Functional specifications (at 25°C)Isothermal point : pH 7Reference system : Ag/AgCl with saturated KCI Glass impedance- Dome shape : 350MΩ, G-glass- Flat Surface : 750MΩ, G-glassJunction resistance : 0.5 to 5 kΩTemperature element : Pt1000 to IEC 751Asymmetry potential : < 15 mVSlope : > 96 % (of theoretical value) Dynamic specifications (at 25°C)Response time pH step (7 to 4): < 15 sec for 90%Response time temp step (10°C)- Dome shape : < 3 min for 90%- Flat surface : < 6 min for 90%Stabilisation time (0.02 pH/10 s): < 2 minutesOperating rangepH : 0 - 14*Temperature : -10 to 105ºC (14 to 212 °F) Pressure : 0 to 10 bar ( 0 to 142 PSIG) Conductivity : > 50 µS/cmStorage temperature : -30 to 50ºC (-22 to 122 °F)* T he pH range at room temperature is 0 -14 pH, but at high temperatures the lifetime will be seriously shortened outside 2 - 12 pH range.2GS 12B6J3-E-E3 Dimensions4Installation examples using the PH20 adapter rangeUsing the /SF4 adapter, the PH 20 can be mounted in the standard range of conductivity flow fitting (FF40..), the immersion fittings (FD40-..) and sub-assemblies (FS40..). The adapter can be mounted on the front thread, or the back thread dependent on the required insertion depth.GS 12B6J3-E-EFD40 fittings (/FPS or K1523DD)Note: old part K1523DC is not compatible with VP connector.5GS 12B6J3-E-EInstallation examples using the FU20 adapter range6Model and Suffux codesModel Suffix Option DescriptionCode codePH20 4-in-1 pH sensorMaterial -F PVDFMembrane -G Dome shapedCable length -02 2 meter-05 5 meter-10 10 meter-20 20 meter-30 30 meterTemp. element -T1 Pt1000-N -A Always -N -AOptions*/SN3 S tainless steel 3/4” NPT adapter (316L)/SR3 S tainless steel 3/4” R adapter (316L)/FN4 P VDF 1” NPT adapter/FR4 P VDF 1” R adapter/PH8 A dapter for PH8 combi sensor fittings (only)/SF4 S tainless steel adapter for FF40, FS40 and FD40 fitings/HCNF H astelloy cleaning system* Note: Option /Q: Quality Inspection certificate is always included with the product.Model Suffix Option DescriptionCode codeFU20 Wide body sensor-VP Variopin connectorCable length -03 3 meter-05 5 meter-10 10 meter-20 20 meterTemp. element -T1 Pt1000Model -NPT Dome shape model-FSM Flat surface modelOptions*/HCNF H astelloy cleaning system/FPS Adapter F*40 from noryl/NSS 1” NPT adapter, SS (316L)/NTI 1” NPT adapter, Titanium/BSS 1” BSP adapter, SS (316L)/BTI 1” BSP adapter, Titanium* Note: Option /Q: Quality Inspection certificate is always included with the product.Model Suffix Code DescriptionWU10Sensor cableConnector type -V VariopinCable type -S Single CoaxCable length -02 2 meters-05 5 meters-10 10 meters-15 15 meters-20 20 metersGS 12B6J3-E-ECleaning system for FU20 & PH20Some applications require frequent cleaning of the electrode. For these applications Yokogawa designed a chemical cleaning system that can either be used in the Yokogawa fitting range (HCN2, HCN3 or HCN4) or as back-end mounting option for the PH20 and FU20. The /HCNF option comes with a hastelloy cleaning nozzle, Stainless steel mounting (and ferrules) sets and a nylon tube of 10 meters.7GS 12B6J3-E-ESpare parts PH20, FU20 and cleaning systemPart no. DescriptionK1500EK O-rings viton 6.07x1.78 (5x2)K1500ER O-ring set Viton FF20-S22K1511DP O-rings viton 21.9x2.62 (5x2)K1511DQ O-rings EPDM 21.9x2.62 (5x2)K1547PC /FN4 for PH20K1547PD /FR4 for PH20K1547PE /PH8 for PH20K1547PG Nozzle and mounting HCN4K1547PP Spare Part EPDM spraying valves K1547QA /SN3 for PH20K1547QB /SR3 for PH20K1547QF /SF4 for PH20K1500FR O-rings Viton 29.82x2.62 (5)K1500FS O-rings EPDM 29.82x2.62 (5)K1500FT O-rings Silicon, 29.82x2.62 (5)K1520ZD Mounting nut for PS20K1523DD /FPS, FU20-mounting in F*40K1547PK Adapter 1” NPT, SS 316 for FU20K1547PL Adapter 1” BSP, SS 316 for FU20K1547PM Adapter 1” NPT, Ti for FU20K1547PN Adapter 1” BSP, Ti for FU20K1547PJ Hast. cleaning unit HCNFK1547PFNozzle and mounting HCN2/3/FAccessories Buffer powder 6C231 Buffer powder pH 1.68 ; IEC 60746-26C232 Buffer powder pH 4.01 ; IEC 60746-26C236 Buffer powder pH 9.18 ; IEC 60746-26C237 Buffer powder pH 6.87 ; IEC 60746-2Connection equipment BA10 Junction box for pH extension cables WF10-xxx-F p H signal cable with terminated ends. Specifylength in whole metersGS 12B6J3-E-ESubject to change without notice Printed in The Netherlands, 11-705 (A) ICopyright©Conventional pH (& ORP) wiringConnect the PH20 or FU20 to the EXA or EXAxt PH analyzer as shown. With this configuration, it is possible to measure ORP (or rH) at the same time (Refer to the EXA or EXAxt manual for appropriate impedance jumper and Service Code settings).Wiring for ORP measurement with pH referenceConnect the PH20 or FU20 to the EXA Glass PH analyzer as shown. Refer to the EXA manual for appropriate impedance jumper and Service Code settings.Wiring for ORP measurement with normal referenceRefer to the EXA manual for appropriate impedance jumper and Service Code settings.Wiring of the PH20 / FU20。
产品设计硅胶按键设计
(5) 大 Key 設 計 圖 中 大 Key K4由 於 Key 太 長 , 應 設 計 為 兩個接觸點。
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(6) Key 高 度 設 計 , 不 宜 太 高 。 (7) Key 形 狀 設 計 .
圓 形 Key K1最 好 , 橢 圓 形 Key K3 次 之 , 方 形 Key K2最 差 。 (8) Key 間 距 如 下圖 所 示 , Key 與 Key 的 間 距 最 小 不 能 小 於 1.5 mm。
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3.4 Rubber key一般尺寸公差。 3.5 Rubber key 彈力范圍的一般精度。
a. 絲印導電油墨。(膜厚10~20um) 優點:成本底。 缺點: 電阻值較大,易脫落。
b. Conductive pill.采用真空盤吸附法。 優點:附著性好。 缺點: 炭點尺寸及形式受限制。
(10) 炭點規格 直徑一般規格:∅2 ∅2.5 ∅3 ∅3.5 ∅4 ∅4.5 ∅5 ∅6 ∅7 ∅8.0 厚度一般取: 0.5~0.6.(太薄則電阻值偏高)
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三. Rubber key輿PCB的裝配方式
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四. Rubber key的性能輿測試
1. 硅膠機械及電氣性能
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2. Rubber key 測試. (按力測試)
設置界面
測量結果顯示
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圖表輸出示例
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2. 圖紙中技朮要求。
2.1 Silicone rubber hardness: SHA 55°±5°。 2.2 Actuation force: 180±30gf。 2.3 Return force: less than 50gf。 2.4 Key stroke: 1.2±0.1。 2.5 Thickness of carbon pill=0.5 2.6 Life cycle: 3X10E5。
根据域名批量查ip的方法
根据域名批量查ip的方法
根据域名批量查询IP地址的方法有多种,以下列举三种常见的方式:
1. 使用命令行工具:在终端或命令提示符窗口中,可以输入nslookup命令来查询域名对应的IP地址。
如果要批量查询多个域名,可以将域名列表保存到一个文本文件中,然后在命令行中逐行读取文件并执行nslookup命令。
2. 使用在线工具:许多在线工具提供了通过域名查询IP的功能。
可以在搜索引擎中搜索类似的关键词,然后选择一个工具进行查询。
通常,这些工具提供一个输入框,只需输入域名并点击查询按钮即可获取结果。
如果要批量查询多个域名,可以使用多线程或脚本自动化工具来自动提交查询请求。
3. 使用编程语言:如果熟悉编程语言,可以使用编程语言来查询域名对应的IP。
例如,使用Python语言,可以编写一个简单的脚本,使用socket模块来查询域名对应的IP地址。
如果要批量查询多个域名,可以将域名列表作为输入参数传递给脚本,并使用循环结构逐个查询每个域名的IP地址。
以上方法仅供参考,请注意网络安全,谨慎操作。
COUPLING
专利名称:COUPLING 申请号:JP3174373申请日:19730319公开号:JPS4926820A 公开日:19740309专利内容由知识产权出版社提供摘要:A coupling positionable intermediate the threaded end of a pipe or fitting and a threaded opening where, for example, the manipulation of such pipe or fitting is either limited or restricted in such manner as to prevent direct coupling to the threaded opening. An internally threaded gland nut having a selectively tapered interior portion is rotatably connected to the externally threaded portion of a body member having a selectively tapered external portion spaced from the gland nut tapered portion to provide a selectively formed annular chamber within which is disposed a resilient seal means in the form of an annular ring. Both the seal means and the body member tapered portion are proportioned for contacting engagement with a leading edge of the threaded pipe or fitting advanced into the coupling to provide a controlled seal between the coupling and the fitting or pipe. The gland nut and body member, or selective portions thereof, may be formed of plastic or metallic material, the latter providing means for establishing a metal-to-metal contact and grounding path between the pipe or fitting and the coupling.更多信息请下载全文后查看。
【单元提优】六年级上册英语单元阶段测试提优卷Unit7ProtecttheEarth译林三起含答案
牛津英语译林版6A Unit7 Protect the Earth 单元提优测试卷一:单词辩音(5分)1.()A. room B. school C. look D. moon2.()A. good B. food C. cool D. noodle3.()A. reuse B. music C. sun D. usually4.()A. earth B. learn C. early D. wear5.()A. should B. about C. out D. loud二:词组互译(10分)1. glass bottles _____________________2. 来自__________________________3. too many trees _____________________4.节约用水__________________________5. Earth Day ______________________6.制作海报____________________________7.waste coal _______________________ 8.砍伐________________________________9. reuse plastic bottles ________________ 10.保护地球____________________________三:单项选择(10分)1.---Is your best friend from China---No,he______ come from China.He's from Japan.A. isn'tB. don'tC. doesn'tD. aren't2.He doesn’t feel very well because he drinks water.A. too manyB. too muchC. much tooD. many to3.World Earth Day first began in 1970. The ________ World Earth Day fell on April 22 two yearsago.A. fiveB. fifthC. fiftyD. fiftieth4.—_________ do the students go seaside every weekend—To pick up the rubbish and protect the environment.A. HowB. WhyC. WhereD. When5.What should I _____?A. didB. doesC. doD. doing6.Small things can make a big difference to the environment.In daily life,we can _______ toprotect the environment.①give food to homeless people②use cloth bags instead of(代替)plastic bags③turn off the lights when leaving a room④help the old people in the neighborhood(街区)⑤ride bikes or walk to school instead of going to school by carA. ②④⑤B. ①③④C. ②③⑤D. ①②③7. There is a lot of ________in the river.A.fish B.rubbish C.boats D. fishes8. People use cups water.A.drink B.to drink C.drinking D.drinks9.Are your desk and chair _______?A. cleaningB. cleanC. cleansD. cleaned10. Protecting the Earth is protecting ourselves.A. 保护地球就是保护别人B。
某大型重吊船舭龙骨设计
39GUANGDONG SHIPBUILDING 广东造船2023年第5期(总第192期) 设计与研究基金项目:山省重大科技创新工程项目(2021CXGC010701)作者简介:刘相琪(2001- ),男,本科在读。
主要从事过程装备与控制工程。
郭培军(1976- ),男,工学博士。
主要从事船舶与海洋工程装备设计工作。
收稿日期:2022-04-20某大型重吊船舭龙骨设计刘相琪1,郭培军2,3(1. 大连理工大学莱斯特学院,盘锦 124221;2. 山东海洋工程装备研究院有限公司,青岛 266555;3. 山东蓝鲲海洋工程有限公司,烟台 265503)摘 要:舭龙骨是大型重吊船的主要减摇装置,对船舶航行和稳定作业起着重要作用。
本文对某大型重吊船,分别采用V 型和单板两种舭龙骨型式进行设计,并对两种型式舭龙骨在减摇性能、抗波浪砰击能力、制作安装工艺、整体成本等方面进行对比分析,最终确定V 型舭龙骨作为某重吊船的减摇装置。
关键词:舭龙骨;减摇装置;重吊船;稳定性中图分类号:U664.7 文献标识码:ABilge Keel Design of a Large Heavy Crane ShipLIU Xiangqi 1, GUO Peijun 2,3( 1. Leicester International Institute, Dalian University of Technology, Pan Jin 124221;2. Shandong Offshore Research Institute CO., Ltd., Qingdao 266555;3. Shandong Lankun Offshore Co., Ltd., Yantai 265503 )Abstract: Bilge keel is the main anti rolling device of large heavy crane ship, which plays an important role in the stability of ship navigation and operation. In this paper, two types of bilge keel, V-shaped and flat plate, are adopted for the design of a large heavy crane ship, and the two types of bilge keel are compared and analyzed in the aspects of anti-rolling capacity, anti wave slamming capacity, manufacturing and installation process and overall cost, the V-shaped bilge keel is finally determined as the anti-rolling device of the heavy crane ship.Key words: bilge keel; anti-rolling device; heavy crane ship; stability1 前言大型重吊船在航行和作业过程中,船舶稳定性至关重要,而横摇运动是影响船舶稳定性的主要因素,是保证大型重吊船航行和作业安全的关键。
ENGINE
专利名称:ENGINE发明人:BANDOU SHIGERU 申请号:JP1796883申请日:19830205公开号:JPS59145342A公开日:19840820专利内容由知识产权出版社提供摘要:PURPOSE:To make a gap between a rolling body and a cylinder maintainable in the minimum all the time, by attaching a shaft to an opening part installed in a piston skirt where lateral pressure acts on, while installing a compression elastic device in the center of a two-piece-set of rolling bodies built in this shaft. CONSTITUTION:An opening part 6 is installed in a spot where lateral pressure at a skirt part 3 of a piston 2 acts on, and a shaft 7 is attached to this opening part 6. The shaft 7 is provided with a two-piece-set of built-in rolling bodies 8, while at the intermediate part, there is provided with a compression elastic body 9 which elastically presses both these rolling bodies 8 outward along the axial direction. Therefore, even if the piston 2 and these rolling bodies 8 are worn away to some extent, this wear is compensated by the compression elastic body 9 so that a gap between these rolling bodies and a cylinder is kept up in the minimum all the time.申请人:BANDOU KIKOU KK更多信息请下载全文后查看。
Belimo CQ24A-SR 区域温度调节器旋转阀门电动驱动器说明书
CQ24A-SR ArrayRotary actuator for zone valves• Torque motor 1 Nm• Nominal voltage AC/DC 24 V• Control modulating 2...10 V• Position feedback 2...10 V• Snap-assembly of the actuator• Flow setting variableTechnical dataElectrical data Nominal voltage AC/DC 24 VNominal voltage frequency50/60 HzNominal voltage range AC 19.2...28.8 V / DC 21.6...28.8 VPower consumption in operation0.3 WPower consumption in rest position0.3 WPower consumption for wire sizing0.6 VAConnection supply / control Cable 1 m, 4 x 0.34 mm²Parallel operation Yes (note the performance data)Functional data Torque motor1 NmOperating range Y 2...10 VInput impedance100 kΩPosition feedback U 2...10 VManual override with actuator (clicked out)Running time motor75 s / 90°Sound power level, motor35 dB(A)Position indication MechanicalFlow setting see product featuresSafety data Protection class IEC/EN III, Safety Extra-Low Voltage (SELV)Degree of protection IEC/EN IP40EMC CE according to 2014/30/EUCertification IEC/EN IEC/EN 60730-1 and IEC/EN 60730-2-14Type of action Type 1Rated impulse voltage supply / control0.8 kVPollution degree2Ambient humidity Max. 95% RH, non-condensingAmbient temperature 5...40°C [41...104°F]Storage temperature-40...80°C [-40...176°F]Servicing maintenance-freeWeight Weight0.21 kgCQ24A-SR••••••Mode of operationSimple direct mountingManual overrideAdjustable angle of rotation High functional reliabilityFlow settingSafety notesThis device has been designed for use in stationary heating, ventilation and air-conditioning systems and must not be used outside the specified field of application, especially in aircraft or in any other airborne means of transport.Outdoor application: only possible in case that no (sea) water, snow, ice, insolation or aggressive gases interfere directly with the device and that it is ensured that the ambient conditions remain within the thresholds according to the data sheet at any time.Only authorised specialists may carry out installation. All applicable legal or institutional installation regulations must be complied during installation.The device may only be opened at the manufacturer's site. It does not contain any parts that can be replaced or repaired by the user.Cables must not be removed from the device.The device contains electrical and electronic components and must not be disposed of as household refuse. All locally valid regulations and requirements must be observed.Product featuresThe actuator is connected with a standard control signal of 0...10 V and drives to the position defined by the control signal. Measuring voltage U serves for the electrical display of the valve position 0.5...100% and as control signal for other actuators.Tool-free snap assembly.The actuator can be plugged on the valve by hand (Caution! Just vertical movements). Pins must match the holes on the flange.The mounting orientation in relation to the valve can be selected in 180° increments. (Possible two times)Click out the actuator and rotate the valve spindle with the help of the actuator.The angle of rotation of the actuator can be changed by clip in 2.5° increments. This is used to set the maximum flow rate of the valve.The actuator is overload protected, requires no limit switches and automatically stops when the end stop is reached.Adjustable kv-values (C2..Q-.., C4..Q-..) are given in the respective zone valve data sheets.2-way valve: Remove end stop clip and place at desired position.3-way valve: Remove end stop clip (change-over application).6-way valve: Remove end stop clip (cooling and heating application).After every change of the flow setting by means of end stop clip, an adaptation must betriggered on the modulating actuators.AccessoriesMechanical accessoriesDescriptionType Spindle extension CQZCQ-E Housing cover CQ, Colour: white (RAL 9010)ZCQ-W End stop clip, Multipack 5 pcs.ZCQ-C End stop clip, Multipack 20 pcs.Z-ESCMCQ24A-SRWire colours:1 = black 2 = red 3 = white 5 = orangeElectrical installationSupply from isolating transformer.Parallel connection of other actuators possible. Observe the performance data.Wiring diagramsAC/DC 24 V, modulatingOverride control (frost protectioncircuit)Operating controls and indicatorsPush-button Press button:Triggers angle of rotation adaptation, followed by standard modeDimensionsFurther documentation• The complete product range for water applications • Data sheet for zone valves• Installation instructions for zone valves and actuators • General notes for project planning1。
自对准源极和漏极结构及其制造方法[发明专利]
专利名称:自对准源极和漏极结构及其制造方法专利类型:发明专利
发明人:方子韦,张郢,许俊豪
申请号:CN201210200353.7
申请日:20120614
公开号:CN102881576A
公开日:
20130116
专利内容由知识产权出版社提供
摘要:公开了一种集成电路器件以及制造该集成电路器件的方法。
在实例中,该方法包括在衬底上方形成栅极结构;在衬底中形成掺杂区;实施第一蚀刻工艺以去除掺杂区并在衬底中形成沟槽;以及实施第二蚀刻工艺,通过去除衬底的一部分改变沟槽。
本发明还提供自对准源极和漏极结构及其制造方法。
申请人:台湾积体电路制造股份有限公司
地址:中国台湾新竹
国籍:CN
代理机构:北京德恒律治知识产权代理有限公司
更多信息请下载全文后查看。
贵州景点介绍(英语)
Huangguoshu Falls黄果树瀑布 Huangguoshu Falls黄果树瀑布
The Huangguoshu Waterall, the national 5A level scenic area, located in Guizhou province Anshun city Zhenning Buyi and Miao Autonomous County of white river. Huangguoshu Waterfall (height: 77.8m, width: 101.0m)
黄果树瀑布,国家5A级风 景区,位于贵州省安顺市 镇宁布依族苗族自治县境 内的白水河上。黄果树瀑 布(高:77.8米,宽: 101.0米)
In Baili Azalea百里杜鹃
the whole of natural Rhododendron forest bandwidth from 1 to 3 kilometers, stretching more than 50 kilometers ( 100 miles ), the total area of 125.8 square kilometers. In Baili Azalea is " the world's largest natural garden ", " earth ribbons, the garden of the world " reputation.
织金洞原名打鸡洞,它是 一个多层次、多类型的溶 洞,它是中国目前发现的 一座规模宏伟、造型奇特 的洞穴资源宝库。洞深10 余千米,两壁最宽处173 米,最高达50米。
Fanjing Mountain梵净山
Mountain ( Mount Fanjing ), formerly known as the “three valleys ”, located in Guizhou Province, Tongren City, the name “ Brahma land ”。 梵净山(Mount Fanjing),原名“三 山谷”,位于贵州省 铜仁市,得名“梵天 净土”。
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对CPU资源占用100%的解决方法
1、驱动没有经过认证,造成CPU资源占用100%。
大量的测试版的驱动在网上泛滥,造成了难以发现的故障原因。
2、防、杀毒软件造成故障。
由于一些防、杀毒软加入了对网页、插件、邮件的随机监控,无疑增大了系统负担,可以根据情况有选择的开启服务。
3、病毒、木马造成。
大量的蠕虫病毒在系统内部迅速复制,造成CPU占用资源率据高不下。
解决办法:使用最新的杀毒软件在DOS模式下进行杀毒。
经常性更新升级杀毒软件和防火墙,加强防毒意识,掌握正确的防杀毒知识。
4、开始->运行->msconfig->启动,关闭不必要的启动项,重启。
5、查看“svchost”进程。
Svchost.exe是Windows XP系统的一个核心进程。
Svchost.exe不单单只出现在Windows XP中,在使用NT内核的Windows系统中都会有Svchost.exe的存在。
一般在Windows 2000中Svchost.exe进程的数目为2个,而在Windows XP中Svchost.exe进程的数目就上升到了4个及4个以上。
如何才能辨别哪些是正常的Svchost.exe进程,而哪些是病毒进程呢?
Svchost.exe的键值是在
“HKEY_LOCAL_MACHINE\Software\Microsoft\Windows
NT\CurrentVersion\Svchost”,每个键值表示一个独立的Svchost.exe组。
微软还为我们提供了一种察看系统正在运行在Svchost.exe 列表中的服务的方法。
以Windows XP为例:在“运行”中输入:cmd,然后在命令行模式中输入:tasklist /svc。
系统列出服务列表。
如果使用的是Windows 2000系统则把前面的“tasklist
/svc”命令替换为:“tlist -s”即可。
如果你怀疑计算机有可能被病毒感染,Svchost.exe的服务出现异常的话通过搜索Svchost.exe文件就可以发现异常情况。
一般只会找到一个在:“C:\Windows\System32”目录下的
Svchost.exe程序。
如果你在其他目录下发现Svchost.exe程序的话,那很可能就是中毒了。
还有一种确认Svchost.exe是否中毒的方法是在任务管理器中察看进程的执行路径。
但是由于在Windows系统自带的任务管理器不能察看进程路径,所以要使用第三方的进程察看工具。
上面简单的介绍了Svchost.exe进程的相关情况。
总而言之,Svchost.exe是一个系统的核心进程,并不是病毒进程。
但由于Svchost.exe进程的特殊性,所以病毒也会千方百计的入侵Svchost.exe。
通过察看Svchost.exe进程的执行路径可以确认是否中毒。
6、查看网络连接。
主要是网卡。
7、把网卡、显卡、声卡卸载,然后重新安裝一下驱动。
8、重装系统、常用软件、当然也要装驱动,用几天看一下。
若不会出现这种问题,再装上其他软件,但是最好是一个软件装完,先用几天。
现会出现问题再接着装!。