化工英语词汇

化工专业英语词汇

reaction kinetics反应动力学reactant反应物purify精制提纯recycle循环回收unconverted reactant未转化的反应物chemical reactor transfer of heat,evaporation, crystallization结晶drying干燥

screening筛选，浮选

chemical reaction化学反应cracking of petroleum石油裂解catalyst催化剂，reaction zone反应区

conservation of mass and energy能量与质量守衡定律technical advance技术进步efficiency improvement效率提高reaction反应separation分离

heat exchange热交换

reactive distillation反应精馏capital expenditure基建投资setup装置

capital outlay费用，成本，基建投资yield产率，收率

reaction byproduct反应副产物equilibrium constant平衡常数waste废物

feedstock进料，原料product产物，产品

percent conversion百分比转化率ether乙醚gasoline汽油

oxygenate content氧含量catalyst催化剂reactant反应物

inert惰性物，不参加反应的物质reactive distillation反应精馏

energy saving节约能量energy efficiency能量效率

heat-sensitive material热敏性物质pharmaceutical制药foodstuff食品

gas diffusivity气体扩散性，气体扩散系数gas adsorption吸收；absorption：吸附specialty chemical特殊化学品，特种化学品batch间歇的；continuous：连续的micro-reactor微型反应器

hydrogen and methane oxidation氢气和甲烷氧化反应ethylene epoxidation乙烯环氧化反应phosgene synthesis光气合成.

commercial proportions商业规模replication复制

sensor传感器，探头

separation of solids固体分离suspension悬浮液

porous medium多孔介质

filtration过滤medium介质filter过滤器trap收集，捕集

Buchner funnel布氏漏斗Vacuum真空

conical funnel锥形漏斗filter paper滤纸area面积

filter cake滤饼

factor因数，因子，系数，比例viscosity黏度density密度

corrosive property腐蚀性particle size颗粒尺寸shape形状

size distribution粒度分布

packing characteristics填充性质concentration浓度filtrate滤液

feed liquor进料液pretreatment预处理latent heat潜热resistance阻力

surface layer表面层

filtering medium过滤介质drop in pressure压降

filtering surface过滤表面filter cake滤饼

cake filtration饼层过滤

deep bed filtration深层过滤depth深度law定律

net flow净流量conduction传导convection对流radiation辐射

temperature gradient温度梯度metallic solid金属固体thermal conduction热传导

motion of unbound electrons自由电子的运动electrical conductivity导电性thermal conductivity导热性

poor conductor of electricity不良导电体transport of momentum动量传递

the random motion of molecules分子无规则运动brick wall墙壁

furnace火炉，燃烧器

metal wall of a tube金属管壁

macroscopic particle宏观的粒子control volume控制体enthalpy焓

macroscopic phenomenon宏观现象forces of friction摩擦力fluid mechanics流体力学

flux（通量，流通量）of enthalpy焓通量eddy尾流，涡流turbulent flow湍流

natural and forced convection自然对流和强制对流buoyancy force浮力

temperature gradient温度梯度electromagnetic wave电磁波fused quartz熔化的石英reflect反射，inflection:折射matte无光泽的，无光的

temperature level温度高低

inter-phase mass transfer界相际间质量传递

rate of diffusion扩散速率acetone丙酮dissolve溶解ammonia氨

ammonia-air mixture氨气-水混合物physical process物理过程oxides of nitrogen氮氧化物nitric acid硝酸

carbon dioxide二氧化碳sodium hydroxide氢氧化钠

actualrate of absorption实际吸收速率two-film theory双膜理论

concentration difference浓度差

in the vicinity of在…附近，靠近..,大约…，在…左右molecular diffusion分子扩散laminar sub-layer层流底层resistance阻力，阻止boundary layer边界层Fick’s Law费克定律

is proportional to与…成比例concentration gradient浓度梯度plate tower板式塔installation装置feed进料

bottom底部，塔底solvent溶剂top顶部，塔顶

partial vaporization部分汽化boiling point沸点

equimolecular counter-diffusion等分子反向扩散ideal system理想系统

ratio of A to B A与B的比值

with the result that：由于的缘故，鉴于的结果tray塔板

packed tower填料塔

bubble-cap tower泡罩塔spray chamber喷淋室

maintenance expense维修费foundation基础tower shell塔体

packing material填料pump泵

blower风机

accessory heater附属加热器cooler冷却器

heat exchanger换热器

solvent-recovery system溶剂回收系统operating cost操作费用power动力

circulating gas循环气labor劳动力steam蒸汽

regenerate再生

cooling water冷却水

solvent make-up补充溶剂optimum最优的

unabsorbed component未吸收组分purity纯度