化工专业英语2
化学化工专业英语(课本内容)

第二章科技英语构词法词是构成句子的要素,对词意理解的好坏直接关系到翻译的质量。
所谓构词法即词的构成方法,即词在结构上的规律。
科技英语构词特点是外来语多(很多来自希腊语和拉丁语);第二个特点是构词方法多,除了非科技英语中常用的三种构词法—转化、派生及合成法外,还普遍采用压缩法、混成法、符号法和字母象形法。
2.1转化法(Conversion)由一种词类转化成另一种词类,叫转化法。
例如:water(n.水)→water(v.浇水)charge(n.电荷) →charge(v.充电)yield(n.产率) →yield(v.生成)dry(a.干的) →dry(v.烘干)slow(a.慢的) →slow(v.减慢)back(ad.在后、向后) →back(v.使后退、倒车)square(n.正方形) →square(a.正方形的)2.2派生法(Derivation)通过加前、后缀构成一新词。
派生法是化工类科技英语中最常用的构词法。
例如“烷烃”就是用前缀(如拉丁或希腊前缀)表示分子中碳原子数再加上“-ane”作词尾构成的。
若将词尾变成“-ane”、“-yne”、“-ol”、“-al”、“-yl”,则分别表示“烯”、“炔”、“醇”、“醛”、“基”、等。
依此类推,从而构成千成种化学物质名词。
常遇到这样的情况,许多化学化工名词在字典上查不到,全若掌握这种构词法,能过其前、后缀分别代表的意思,合在一起即是该词的意义。
下面通过表1举例说明。
需要注意的是,表中物质的数目词头除前四个另有名称外,其它均为表上的数目词头。
本书附录为化学化工专业常用词根及前后缀。
此外还可参阅《英汉化学化工词汇》(第三版)附录中的“英汉对照有机基名表”、“西文化学名词中常用的数止词头”及“英汉对照有机词尾表”。
据估计,知道一个前缀可帮助人们认识450个英语单词。
一名科技工作者至少要知道近50个前缀和30个后缀。
这对扩大科技词汇量,增强自由阅读能力,提高翻译质量和加快翻译速度都是大有裨益的。
化学工程与工艺专业英语1、2、3、4、5、6、7、10、11、12、13、20、21

Unit 1 Chemical Industry化学工业1.化学工业的起源尽管化学品的使用可以追溯到古代文明时代,我们所谓的现代化学工业的发展却是非常近代(才开始的)。
可以认为它起源于工业革命其间,大约在1800年,并发展成为为其它工业部门提供化学原料的产业。
比如制肥皂所用的碱,棉布生产所用的漂白粉,玻璃制造业所用的硅及Na2CO3. 我们会注意到所有这些都是无机物。
有机化学工业的开始是在十九世纪六十年代以William Henry Perkin 发现第一种合成染料—苯胺紫并加以开发利用为标志的。
20世纪初,德国花费大量资金用于实用化学方面的重点研究,到1914年,德国的化学工业在世界化学产品市场上占有75%的份额。
这要归因于新染料的发现以及硫酸的接触法生产和氨的哈伯生产工艺的发展。
而后者需要较大的技术突破使得化学反应第一次可以在非常高的压力条件下进行。
这方面所取得的成绩对德国很有帮助。
特别是由于1914年第一次世界大仗的爆发,对以氮为基础的化合物的需求飞速增长。
这种深刻的改变一直持续到战后(1918-1939)。
1940年以来,化学工业一直以引人注目的速度飞速发展。
尽管这种发展的速度近年来已大大减慢。
化学工业的发展由于1950年以来石油化学领域的研究和开发大部分在有机化学方面取得。
石油化工在60年代和70年代的迅猛发展主要是由于人们对于合成高聚物如聚乙烯、聚丙烯、尼龙、聚脂和环氧树脂的需求巨大增加。
今天的化学工业已经是制造业中有着许多分支的部门,并且在制造业中起着核心的作用。
它生产了数千种不同的化学产品,而人们通常只接触到终端产品或消费品。
这些产品被购买是因为他们具有某些性质适合(人们)的一些特别的用途,例如,用于盆的不粘涂层或一种杀虫剂。
这些化学产品归根到底是由于它们能产生的作用而被购买的。
2.化学工业的定义在本世纪初,要定义什么是化学工业是不太困难的,因为那时所生产的化学品是很有限的,而且是非常清楚的化学品,例如,烧碱,硫酸。
化工专业英语Lesson 2

Lesson2 Chemical Equilibrium and Kinetics化学平衡和动力学A1 A major objective of chemist is to understand chemical reactions, to know whether under a given set of conditions two substances will react when mixed, to determine whether a given reaction will be exothermic or endothermic, and to predict the extent to which a given reaction will proceed before equilibrium is established.化学家的一个主要目标是理解化学反应,知道在一组给定的条件下两种物质混合时能否发生反应;确定一个给定的反应是放热还是吸热;预测一个给定的反应在平衡前进行的程度。
2 An equilibrium state, produced as a consequence of two opposing reactions occurring simultaneously, is a state in which there is no net change as long as there is no change in conditions.平衡状态是由两个对立反应同时发生产生的结果,在平衡状态下,只要条件不发生改变,这个状态就不会有净变化。
3 In this lesson it will be shown how one predict the equilibrium state of chemical systems from thermodynamic data, and conversely how the experimental measurements on equilibrium states provide useful thermodynamic data.在这节课中,将会展示如何根据热力学数据来预测化学体系的平衡状态,以及相反地,平衡状态下的实验测量值如何提供有用的热力学数据。
化工专业英语

H2SO3 sulfurous acid
HNO3 nitric acid HNO2 nitrous acid HPO3 metaphosphoric acid 偏磷酸
3. Nomenclature of bases (碱的命名)
元素名称 + hydroxide
NaOH sodium hydroxide KOH potassium hydroxide
H3O+ hydronium ion
1.2. Names of Anions(阴离子的命名)
1.2.1 monatomic anions (单原子阴离子): 以-ide结尾
H- hydride ion (H: hydrogen)
O2 oxide ion (O: oxygen)
N3 nitride ion (N: nitrogen)
旧的方法: 用bi-前缀来表示:HSO4- bisulfate ion
HCO3 bicarbonate ion
2. Nomenclature of Acids (酸的命名)
2.1 无氧酸 (即阴离子以-ide结尾的酸)
前缀hydro- + 元素名称 + 后缀-ic acid
HCl hydrochloric acid
•Silicon 铝•G[ deʒrəm:'maeniniuiəmm (]锗)
• • •
Potassium • Rubidium (铷) Cesium (铯) •
Strontium (锶)
[ 'strɔntiəm ]
Barium (钡)
•Gallium (镓) •Tin 锡 •Indium (铟) •Lead 铅 •Thallium (铊)
化工专业英语汇总

化学专业课程中英文对照1.普通化学 General Chemistry2.分析化学 Analytical Chemistry3.有机化学 Organic Chemistry4.物理化学 Physical Chemistry5.谱学导论 Introducton of Spectroscopy6.无机化学 Inorganic Chemistry7.普通化学和分析化学实验 Experiments of General and Analytical Chemistry8.现代基础化学 The Principle of Mordern Chemistry9.现代基础化学实验 Experiments of Modern Fundamental Chemistry11.有机化学实验 Experiments of Organic Chemistry 仪器分析和物理化学实验Experiments of Instrumental Analysis and Physical Chemistry 合成化学实验Experiments of Synthetic Chemistry 现代化学专题 Topic of Modern Chemistry 化学综合实验 Experiments of Comprehensive Chemistry 化工原理 Principle of Chemical Engineering 化工原理实验 Experiments of Chemical Engineering 应用化学实验Experiments of Applied Chemistry 无机合成化学 Synthetic Inorganic Chemistry 近代分析化学 Modern Analytical Chemistry 分离分析化学 Separation Analytical Chemistry 有机化合物波谱鉴定 Spectrum Identification of Organic Compounds 有机合成及反应机理 Organic Synthesis and Mechanics 化学进展 Progress in Chemistry 化学反应工程 Chemical Reaction Engineering 应用电化学 Applied Electrochemistry 工业催化 Industrial Catalysis 环境化学 Environmental Chemistry 环境监测Environmental Monitoring 化学科技英语 Scientific English for Chemistry 数理方法在化学中的应用 Mathematical Statistics for Chemistry 化工制图 Chemical Engineering Cartography 计算机与化学测量实验 Computer and Chemical Measurement 化学信息学 Chemoinformatics or Chemical Informatics 应用化学专题 Special Topics in Applied Chemistry化工装置常用词汇 1一概论 introduction 方案(建议书) proposal 可行性研究 feasibility study 方案设计concept design 工艺设计 process design 基础设计 basic design 详细设计 detail design 开工会议 kick-off meeting 审核会议 review meeting 外商投资 foreign investment 中外合资 joint venture 中外合营 joint venture 补偿贸易 compensation trade 合同合同附件 contract 卖方 vendor 买方 buyer 顾客 client 承包商contractor 工程公司 company 供应范围 scope of supply 生产范围 production scope 生产能力 production capacity 项目 project 界区 battery limit 装置 plant 公用工程utilities 工艺流程图 process flow diagram 工艺流程方块图 process block diagram 管道及仪表流程图 piping and instrument drawing 物料及热量平衡图 mass & heat balance diagram 蒸汽及冷凝水平衡图 steam & condensate balance diagram 设备布置图equipment layout 设备表 equipment list 成品(产品) product(final product) 副产品by-product 原料 raw-material 设计基础数据 basic data for design 技术数据technical data 数据表 data sheet 设计文件 design document 设计规定 design regulation 现场服务 site service 项目变更 project change 用户变更 client change 消耗定额 consumption quota 技术转让 technical transfer 技术知识 technicalknow-how technical knowledge 技术保证 technical guarantee 咨询服务 consultative services 技术服务 technical services 工作地点 location 施工现场 construction field 报价 quotation 标书 bidding book 公司利润 company profit 固定价合同 fixed price contract 固定单价合同 fixed unit price contract 成本加酬金合同 cost plus award fee contract 定金 mobilization 银行保证书 bank guarantee letter 保留金retention 所得税 income taxes 特别承包人税 special contractor's taxes 城市和市政税 city and municipal taxes 工作手册 work manual 工作流程图 work flow diagram 质量保证程序 QA/QC procedures 采购计划 procurement plan 施工计划 construction plan 施工进度 construction schedule 项目实施计划 project execution plan 项目协调程序project coordination procedure 项目总进度计划 project master schedule 设计网络计划 engineering network logic 项目质量保证 project quality assurance 项目质量控制project quality control 采购 procurement 采购周期 procurement period 会签 the squad check 计算书 calculation sheets 询价 inquiry 检验 inspection 运输transportation 开车 start up / commission 验收 inspection & acceptance 校核 check审核 review 审定 approve 版次 version 部门 department 专业 specialty 项目号project number 图号 drawing number 目录 contents 序言 foreword 章 chapter 节section 项 item MR material requisition SPEC engineering specification DATA SHEET (技术表) technical data sheet TBA(技术评标) technical bid analysis PDP preliminary design package PM (项目经理) project manager LDE(专业负责人) lead discipline engineer Material requisition for quotation MRQ(材料询价单) MRP(材料采购单) material requisition for purchase BEP(基础工程设计包) basic engineering package P&ID(管道及仪表流程图) piping and instrument drawing(diagram) PFD process flow diagram NNF normally no flow FO failure open FC failure close C/S/Acivil/structure/architecture detail design phase DDP(详细设计阶段)二. 工艺流程连续过程 continuous process 间歇过程 batch process 工艺叙述 process description 工艺特点 process feature 操作 operation 反应 reaction 副反应 side reaction 絮凝flocculation 浮洗 flotation 倾析 decantation 催化反应 catalytical reaction 萃取extraction 中和 neutralization 水解 hydrolysis 过滤 filtration 干燥 drying 还原reduction 氧化 oxidation 氢化 hydrogenation 分解 decomposition 离解dissociation 合成 synthetics 吸收 absorption 吸附 adsorption 解吸 desorption 结晶 crystallization 溶解 solution 调节 modulate 控制 control 悬浮 suspension 循环 circulation 再生 regeneration 再活化 reactivation 沥取 leaching 破碎crushing 煅烧 caloination 沉降 sedimentation 沉淀 precipitation 气化gasification 冷冻 refrigeration 固化、结晶 solidification 包装 package 升华sublimation 燃烧 combustion 引烧 ignition 蒸馏 distillation 碳化 carbonization 压缩 compression三、化学物质及特性固体 solid 液体 liquid 气体 gas 化合物 compound 混合物 mixture 粉 powder 片状粉未 flake 小粒 granule 结晶 crystal 乳化物 emulsion 氧化物 oxidizing agent 还原剂 reducing agent 有机物 organic material 真空 vacuum 母液 master liquor 富液rich liquor 贫液 lean liquor 萃出物 extract 萃余物 raffinate 絮凝剂 flocculants冷冻盐水 brine 酸度 acidity 浓度 concentration 碱度 alkalinity 溶解度solubility 凝固点 solidificalion point 沸点 boiling point 熔点 melting point 蒸发率 evaporation rate 粘度 viscosity 吸水的 water absorbent(a) 无水的anhydrous(a) 外观 appearance 无色的 colorless(a) 透明的 transparent(a) 半透明的translucent 密度 density 比重 specific gravity 催化剂 catalyst 燃烧 combustion 引燃 ignition 自然点 self-ignition temperature 可燃气体 combustible gas 可燃液体inflammable liquid 易燃液体 volatile liquid 爆炸混合物 explosive mixture 爆炸性环境 explosive atmosphere(environment) 爆炸极限 explosive concentration limit 废水 waste water 废液 waste liquid 废气 off-gas 噪声 noise pollution 成分composition 挠度 deflection 力和力矩 force and moment 弯矩 bending moment 应力-应变曲线 stress-strain diagram 百分比 percentage 环境温度 ambient temperature 工作温度 operating 设计温度 design temperature(pressure) 相对湿度 RH=relative humidity 油渣、淤泥 sludge 杂质 impurity四、化工设备泵 pump 轴流泵 axial flow pump 真空泵 vacuum pump 屏蔽泵 canned pump 柱塞泵plunger pump 涡轮泵 turbine pump 涡流泵 vortex pump 离心泵 centrifugal pump 喷射泵 jet pump 转子泵 rotary pump 管道泵 inline pump 双作用往复泵 double action reciprocating pump 计量泵 metering pump 深井泵 deep well pump 齿轮泵 gear pump 手摇泵 hand(wobble) pump 螺杆泵 screw (spiral) pump 潜水泵 submersible pump 斜转子泵 inclined rotor pump 封闭式电磁泵 hermetically sealed magnetic drive pump 气升泵 air-lift-pump 轴承 bearing 叶轮 impeller 虹吸管 siphon 高压容器 high pressure vessel 焚化炉 incinerator 火焰清除器 flame arrester 工业炉 furnace 烧嘴burner 锅炉 boiler 回转窑 rotary kiln 加热器 heater 电加热器 electric heater 冷却器 cooler 冷凝器 condenser 换热器 heat exchanger 反应器 reactor 蒸馏釜 still 搅拌器 agitator 混合器 mixer 静态混合器 static mixers 管道混合器 line mixers 混合槽 mixing tanks 破碎机 crusher 磨碎机 grinder 研磨机 pulverizer 球磨机ballmill 过滤器 filter 分离器 separator 干燥器 drier 翅片 fins 烟囱 stack 火炬flare 筛子 screen 煅烧窑 calciner 倾析器 decanter 蒸发器 evaporator 再沸器reboiler 萃取器 extractor 离心机 centrifuger 吸附(收)器 adsorber 结晶器crystallizer 电解槽 electrolyzer 电除尘器 electric precipitator 洗涤器 scrubber 消石灰器 slaker 料仓 bin 料斗 hopper 加料器 feeder 增稠器 thickener 澄清器clarifier 分级器 classifier 浮洗器 flocculator 废液池 sump 喷射器 ejector 喷头sprayer 成套设备 package unit 仪器设备 apparatus 附属设备 accessory 旋转式压缩机 rotary compressor 往复式压缩机 reciprocating compressor 水环式压缩机 nash compressor 螺杆式压缩机 helical screw compressor 离心式压缩机 centrifugal compressor 多级压缩机 mutiple stages compressor 固定床反应器 fixed bed reactor 流化床反应器 fluidized bed reactor 管式反应器 tubular reactor 列管式换热器 tubular heat exchanger 螺旋板式换热器 spiral plate heat exchanger 萃取塔 extraction column 板式塔 plate column 填料塔 packed column 洗涤塔 scrubber 吸收塔 absorber 冷却塔 cooling tower 精馏塔 fractionating tower 汽提塔 stripper 再生塔regenerator 造粒塔 prill tower 塔附件 tower accessories 液体分配(布)器 liquid distributor 填料支持板 support plate 定距管 spacer 降液管 downcomer 升气管chimney 顶(底)层塔盘 top (bottom) tray 挡板 baffle 抽出口 draw nozzle 溢流堰weir 泡罩 bubble cap 筛板 sieve plate 浮阀 float valve 除沫器 demister pad 塔裙座 skirt 椭圆封头 elliptical head 高位槽 head tank 中间槽 intermediate tank 加料槽 feed tank 补给槽 make-up tank 计量槽 measuring tank 电解槽 cell 溜槽 chute 收集槽 collecting tank 液滴分离器 knockout drum 稀释罐 thinning tank 缓冲罐 surge drum 回流罐 reflux drum 闪蒸罐 flash drum 浮顶罐 floating roof tank 内浮顶罐covered floating roof tank 球罐 spheroid 气柜 gas holder 湿式气柜 wet gas-holder 干式气柜 dry gas-holder 螺旋式气柜 helical gas-holder 星型放料器,旋转阀 rotary valve 抽滤器 mutche filter 压滤器 filter press 压滤机 pressure filter 板框压滤器plate-and-fram filter press 转鼓过滤器 rotary drum filter 带式过滤器 belt filter 翻盘式过滤器袋滤器 bag filter 旋风分离器 cyclone separator 盘式干燥箱compartment tray drier 真空干燥器 vacuum drier 隧道式干燥器 tunnel drier 回转干燥器 rotary drier 穿流循环干燥器 through circulation drier 喷雾干燥器 spray drier 气流干燥器 pneumatic conveyor drier 圆盘式加料器 dish feeder 螺旋式加料器 screw feeder 颚式破碎机 jaw crusher 回转破碎机 gyratory crusher 滚洞破碎机 rollcrusher 锤式破碎机 hammer crusher 冲击破碎机 rotor impact breaker 气流喷射粉碎机jet pulverizer 棍磨机 rod mill 雷蒙机 raymond mill 锤磨机 hammer mill 辊磨机roller mill 振动筛 vibrating screen 回转筛 rotary screen 风机 fan 罗茨鼓风机起重机桥式起重机电动葫芦发电机电动机汽轮机 root's blower crane bridge crane motor hoist generator motor steam turbine五、管道工程 piping engineering1 阀门 valve阀杆 stem 内螺纹阀杆 inside screw 阀座 valve seat (body seat) 阀座环、密封圈sealing ring 阀芯(包括密封圈,杆等) trim 阀盘 disc 阀体 body 阀盖 bonnet 手轮hand wheel 手柄 hand level (handle) 压盖 gland 闸阀 gate valve 平行双闸板 double disc parallel seat 楔形单闸板 split wedge 截止阀 globe valve 节流阀 throttle valve 针阀 needle valve 角阀(角式截止阀) angle valve Y 型阀(截止阀)Y-valve(Y-body globe valve) 球阀 ball valve 三通球阀 3-way ball valve 蝶阀butterfly valve 对夹式(薄片型) wafer type 偏心阀板蝶阀 offset disc (eccentric) butterfly valve 斜阀盘蝶阀 canted disc butterfly valve 连杆式蝶阀 link butterfly valve 止回式蝶阀 combined non-return butterfly valve 柱塞阀 piston type valve 旋塞阀 plug valve 三通旋塞阀 three-way plug valve 四通旋塞阀 four-way plug valve 旋塞 cock 衬套旋塞 sleeve cock 隔膜阀 diaphragm valve 橡胶衬里隔膜阀 rubber lined diaphragm valve 直通式隔膜阀 straight way diaphragm valve 夹紧式胶管阀 pinch valve 止回阀 check valve 升降式止回阀 lift check valve 旋启式止回阀 swing check valve 落球式止回阀 ball check valve 弹簧球式止回阀 spring ball check valve 底阀foot valve 切断式止回阀 stop check valve 活塞式止回阀 piston check valve 翻板止回阀 flap check valve 蝶式止回阀 butterfly check valve 安全泄气阀 safety[SV] 安全泄放阀 relief valve[RV] 安全泄压阀 safety relief valve 杠杆重锤式 lever and weight type 罐底排污阀 flush-bottom tank valve 波纹管密封阀 bellow sealed valve 电磁阀 solenoid (operated) valve 电动阀 electrically(electric-motor)operated valve 气动阀 pneumatic operated valve 低温用阀 cryogenic service valve 蒸汽疏水阀 steam trap 机械式疏水阀 mechanical trap 浮桶式疏水阀 open (top) bucket trap 浮球式疏水阀 float trap 倒吊桶式疏水阀 inverted bucket trap 自由浮球式疏水阀 loose float trap 恒温式疏水阀 thermostatic trap 压力平衡式恒温疏水阀 balanced pressure thermostatic trap 热动力式疏水阀 thermodynamic trap 脉冲式蒸汽疏水阀 impulse steam trap 放汽阀(自动放汽阀) (automatic) air vent valve 换向阀 diverting (reversing) valve 呼吸阀 breather valve 减压阀 pressure reducing valve 控制阀control valve 执行机构 actuator 差压调节阀 differential pressure regulating valve 切断阀 block (shut-off, stop) valve 调节阀 regulating valve 快开阀 quick opening valve 快闭阀 quick closing valve 隔断阀 isolating valve 三通阀 three way valve 夹套阀 jacketed valve 非旋转式阀 non-rotary valve2 管子,管件,法兰管子 pipe(按标准制造的配管用管) tube(不按标准规格制造的其它用管) 钢管 steel pipe 铸铁管 cast iron pipe 衬里管 lined pipe 复合管 clad pipe 碳钢管 carbonsteel[C.S.]pipe 合金钢管 alloy steel pipe 不锈钢管 stainless steel[S.S.]pipe 奥氏体不锈钢管 austenitic stainless steel pipe 铁合金钢管 ferritic alloy steel pipe 轧制钢管 wrought-steel pipe 锻铁管 wrought-iron pipe 无缝钢管 seamless[SMLS] steel pipe 焊接钢管 welded steel pipe 电阻焊钢管 electric-resistance-welded steel pipe 电熔(弧)焊钢板卷管 electric-fusion(arc)-welded steel-plate pipe 螺旋焊接钢管 spiral welded steel pipe 镀锌钢管 galvanized steel pipe 排污阀 blowdown valve 集液排放阀 drip valve 排液阀 drain valve 放空阀 vent valve 卸载阀 unloading valve 排出阀 discharge valve 吸入阀 suction valve 取样阀 sampling valve 手动阀 hand operated(manually-operated) valve (水)龙头 bibb;bib;faucet 抽出液阀(小阀) bleed valve 旁路阀 by-pass valve 软管阀 hose valve 混合阀 mixing valve 破真空阀 vacuum breaker 冲洗阀 flush valve 根部阀 root (primary, header) valve 水煤气钢管water-gas steel pipe 塑料管 plastic pipe 玻璃管 glass tube 橡胶管 rubber tube 壁厚 wall thickness[WT] 壁厚系列号 schedule number[SCH.NO.] 加厚的,加强的 extra heavy (strong) 双倍加厚的,双倍加强的 double extra heavy (strong) 弯头 elbow 异径弯头 reducing elbow 长半径弯头 long radius elbow 短半径弯头 short radius elbow 长半径 180°弯头 long radius return 短半径 180°弯头 short radius return 三通 tee 异径三通 reducing tee 等径三通 straight tee 带支座三通 base tee 45°斜三通 45°lateral true"Y" Y 型三通四通 cross 异径管 reducer 同心异径管 concentric reducer 偏心异径管 eccentric reducer 管接头 coupling;full coupling 活接头 union 短管nipple 预制弯管 fabricated pipe bend U 型弯管 "U"bend 法兰端 flanged end 万向接头 universal joint 对焊的 butt welded[BW] 螺纹的 threaded[THD] 承插焊的 socket welded[SW] 法兰 flange[FLG] 整体管法兰 integral pipe flange 钢管法兰 steel pipe flange 螺纹法兰 threaded flange 滑套法兰 slip-on flange 平焊法兰 slip-on-welding flange 承插焊法兰 socket welding flange 松套法兰 lap joint flange[LJF] 对焊法兰weld neck flange[WNF] 法兰盖 blind flange;blind 异径法兰 reducing flange 压力级pressure rating(class) 突面 raised face[RF] 凸面 male face 凹面 female face 全平面;满平面 flat face;full face[FF]3.管道特殊件 piping speciality粗滤器 strainer 过滤器 filter 临时过滤器 temporary strainer(cone type) Y 型过滤器 Y-type strainer T 型过滤器 T-type strainer 永久过滤器 permanent filter 洗眼器及淋浴器 eye washer and shower 视镜 sight glass 阻火器 flame arrester 喷咀;喷头spray nozzle 喷射器 ejector 取样冷却器 sample cooler 消音器 silencer 膨胀节expansion joint 波纹膨胀节 bellow 补偿器 compensator 软管接头 hose connection[HC] 快速接头 quick coupling 金属软管 metal hose 橡胶管 rubber hose 挠性管 flexible tube 特殊法兰 special flange 漏斗 funnel 8 字盲板 spectacle (figure 8) blind 爆破板 rupture disk4,其它材料碳素钢 carbon steel [C.S.]不锈钢 stainless steel[S.S.] 铸铁 cast iron[C.I.] 铝aluminum 铜,紫铜 copper 钛 titanium 抗拉强度 tensile strength 非金属材料non-metallic material 塑料 plastic 陶瓷 ceramic 搪瓷 porcelain enamel 玻璃 glass 橡胶 rubber 垫片 gasket[GSKT] 平垫片 flat gasket 填料 packing 型钢 shaped steel 角钢 angle steel 槽钢 channel 工字钢 I-beam 宽缘工字钢或 H 钢 wide flanged beam 扁钢 flat bar 圆钢 round steel; rod 钢带 strap steel 网络钢板 checkered plate 材料表 bill of material[BOM] 材料统计 material take-off[MTO] 散装材料 bulk material 综合管道材料表 consolidated piping material summary sheet[CPMSS] 汇总表 summary sheet5.设备布置及管道设计中心线 center line 装置边界 boundary limit[BL] 区界 area limit 设备布置equipment arrangement (layout);plot plan 标高,立面 elevation[EL] 支撑点 point of support[POS] 工厂北向 plant north 方位 orientation 危险区 hazardous area classification 净正吸入压头 net positive suction head 绝对标高 absolute elevation 坐标 coordinate 管道研究 piping study 管道布置平面 piping arrangement plan[PAP] 管道布置 piping assembly; layout 详图 detail "X"视图 view "X" "A-A" 剖视 section "A-A" 轴测图 isometric drawing 索引图 key plan 管道及仪表流程图 piping and instrument diagram[P&ID] 管口表 list of nozzles 地上管道 above ground piping 地下管道 under ground piping 管线号 line number 总管 header; manifold 旁路 by pass 常开 normally open 常闭 normally closed 取样接口 sampling connection 伴热管tracing pipe 蒸汽伴热 steam tracing 热水伴热 hot-water tracing 电伴热 electrical tracing 夹套管 jacketed line 全夹套管 full jacketed 比例 scale 图 figure 草图sketch 图例 legend 符号 symbol 件号 part n。
化学化工专业英语电子版课本.

ContentPART 1 Introduction to Materials Science &Engineering 1 Unit 1 Materials Science and Engineering 1 Unit 2 Classification of Materials 9 Unit 3 Properties of Materials 17 Unit 4 Materials Science and Engineering: What does the Future Hold? 25 PartⅡMETALLIC MATERLALS AND ALLOYS 33 Unit 5 An Introduction to Metallic Materials 33 Unit 6 Metal Manufacturing Methods 47 Unit 7 Structure of Metallic Materials 57 Unit 8 Metal-Matrix Composites 68 PartⅢCeramics 81 Unit 9 Introduction to Ceramics 81 Unit 10 Ceramic Structures —Crystalline and Noncrystalline 88 Unit 11 Ceramic Processing Methods 97 Unit 12 Advanced ceramic materials –Functional Ceramics 105 PARTⅣNANOMATERIALS 112 Unit 13 Introduction to Nanostructured Materials 112 Unit14 Preparation of Nanomaterials 117 Unit 15 Recent Scientific Advances 126 Unit 16 The Future of Nanostructure Science and Technology 130 PartⅤPOLYMERS 136 Unit17 A Brief Review in the Development of Synthetic Polymers 136 Unit18 Polymer synthesis: Polyethylene synthesis 146 Unit19 Polymer synthesis:Nylon synthesis 154 Unit 20 Processing and Properties Polymer Materials 165 PART VI POLYMERIC COMPOSITES 172 Unit21 Introduction to Polymeric Composite Materials 172 Unit22 Composition, Structure and Morphology of Polymeric Composites 178Unit23 Manufacture of Polymer Composites 185 Unit24 Epoxy Resin Composites 191 Part 7 Biomaterial 196 Unit 25 Introduction to Biomaterials 196 Unit 26 Biocompatibility 205 Unit 27 Polymers as Biomaterials 213 Unit 28 Future of Biomaterials 224 PARTⅧMaterials and Environment 237 Unit29 Environmental Pollution & Control Related Materials 237 Unit30 Bio-degradable Polymer Materials 241 Unit 31 Environmental Friendly Inorganic Materials 248 Unit 32 A Perspective on the Future: Challenges and Opportunities 256 附录一科技英语构词法263 附录二科技英语语法及翻译简介269附录三:聚合物英缩写、全名、中文名对照表280 附录四:练习题参考答案284 PART 1 Introduction to Materials Science &EngineeringUnit 1Materials Science and Engineering Historical PerspectiveMaterials are probably more deep-seated in our culture than most of us realize. Transportation, housing, clothing, communication, recreation, and food production —virtually every segment of our everyday lives is influenced to one degree or another by materials. Historically, the development and advancement of societies ha ve been intimately tied to the members‘ ability to produce and manipulate materi- als to fill their needs. In fact, early civilizations have been designated by the level of their materials development (Stone Age, Bronze Age, Iron Age.The earliest humans had access to only a very limited number of materials, those that occur naturally: stone, wood, clay, skins, and so on. With time they discovered techniques for producing materials that had properties superior to those of the natural ones; these new materials included pottery and various metals. Furthermore, it was discovered that the properties of a material could be altered by heat treatments and by the addition of other substances. At this point, materials utilization was totally a selection process that involved deciding from a given, rather limited set of materials the one best suited for an application by virtue of its characteristics.①It was not until relatively recent times that scientists came to understand the relationships between the structural elements of materials and their properties. This knowledge, acquired over approximately the past 100 years, has empowered them to fashion, to a large degree, the characteristics of materials. Thus, tens of thousands of different materials have evolved with rather specialized charac- teristics that meet the needs of our modern and complex society; these include metals, plastics, glasses, and fibers. deep-seated根深蒂固的, 深层的pottery / ☐☯❑♓陶器structural elements结构成分;property / ☐❑☐☜♦♓/⏹.性能The development of many technologies that make our existence so comfortable has been intimately associated with the accessibility of suitable materials. An advancement in the understanding of a material type is often the forerunner to the stepwise progression of a technology. For example, automobiles would not havebeen possibl- e without the availability of inexpensive steel or some other comparable substitute. In our contemporary era, sophisticated electronic devices rely on components that are made from what are called semiconducting materials. Materials Science and EngineeringThe discipline of materials science involves investigating the relationships that exist between the structures and properties of materials. In contrast, materials engineering is, on the basis of these structure–property correlations, designing or engineering the structure of a material to produce a predetermined set of properties.―Structure‘‘ is at this point a nebulous term that deserves some explanation. In brief, the structure of a material usually relates to the arrangement of its internal components. Subatomic structure involves electrons within the individual atoms and interactions with their nuclei. On an atomic level, structure encompasses the organization of atoms or molecules relative to one another. The next larger structural realm, which contains large groups of atoms that are normally agglomerated together, is termed‗‗microscopic,‘‘ meaning that which is subject to direct observation using some type of microscope. Finally, structural elements that may be viewed with the naked eye are termed ‗‗macroscopic.‘‘The notion of ‗‗property‘‘ deserves elaboration. While in service use, all materials are exposed to external stimuli that evoke some type of response. For example, aspecimen subjected to forces will experience deformation; or a polished metal surface will reflect light. Property is a material trait in terms of the kind and magnitude of response to a specific imposed stimulus. Generally, definitions of properties are made independent of material shape and size.Virtually all important properties of solid materials may be grouped into six different categories: mechanical, electrical, thermal, magnetic, optical, and stepwise /♦♦♏☐♦♋♓/ ♎逐步的sophisticated/♦☯♐♓♦♦♓♏♓♦♓♎/ ♎精制的,复杂的; semiconducting materials 半导体材料nebulous/ ⏹♏♌✞●☯♦/♎含糊的,有歧义的subatomic/ ♦✈♌☯❍♎亚原子的microscopic/❍♓❑☯☐♓♎微观的❍♋♍❑☐♦♍☐☐♓♍/❍✌❑☯✞☐♓♎宏观的deteriorative. For each there is a characteristic type of stimulus capable of provokingdifferent responses. Mechanical properties relate deformation to an applied load or force; examples include elastic modulus and strength. For electrical properties, such as electrical conductivity and dielectric constant, the stimulus is an electric field. The thermal behavior of solids can be represented in terms of heat capacity and thermalconductivity. Magnetic properties demonstrate the response of a material to the application of a magnetic field. For optical properties, the stimulus is electro- magnetic or light radiation; index of refraction and reflectivity are representative optical properties. Finally, deteriorative characteristics indicate the chemical reactivity of materials.In addition to structure and properties, two other important components are involved in the science and engineering of materials, viz. ‗‗processing‘‘ and‗‗performance.‘‘ With regard to the relationships of these four components, the structure of a material will depend on how it is processed. Furthermore, a material‘s perf ormance will be a function of its properties.Fig. 1.1 Photograph showing the light transmittance of three aluminum oxide specimens. From left to right: single crystal material (sapphire, which is transparent;a polycrystalline and fully dense (nonporous material, which is translucent; and a polycrystalline material that contains approximately 5% porosity, which is opaque. (Specimen preparation, P. A. Lessing; photography by J. Telford.We now present an example of these processing-structure-properties-perfor- mance principles with Figure 1.1, a photograph showing three thin disk specimens placed over some printed matter. It is obvious that the optical properties (i.e., the deformation/♎♓♐❍♏♓☞☯变形deteriorative/♎♓♓☯❑♓☯❑♏♓♦♓破坏(老化的elastic modulus 弹性模量strength /♦♦❑♏⏹♑强度;dielectric constant介电常数;heat capacity 热容量refraction/❑♓♐❑✌☞☯折射率; reflectivity/ ❑♓♐●♏♓♓♦♓/ 反射率processing/☐❑☯◆♏♦♓☠加工light transmittance of each of the three materials are different; the one on the left is transparent (i.e., virtually all of the reflected light passes through it, whereas the disks in the center and on the right are, respectively, translucent and opaque.All of these specimens are of the same material, aluminum oxide, but the leftmost one is what we call a single crystal—that is, it is highly perfect—which gives rise to its transparency. The center one is composed of numerous and verysmall single crystals that are all connected; the boundaries between these small crystals scatter a portion of the light reflected from the printed page, which makes this material optically translucent.②And finally, the specimen on the right is composed not only of many small, interconnected crystals, but also of a large number of very small pores or void spaces. These pores also effectively scatter the reflected light and render this material opaque.Thus, the structures of these three specimens are different in terms of crystal boundaries and pores, which affect the optical transmittance properties. Furthermore, each material was produced using a different processing technique. And, of course, if optical transmittance is an important parameter relative to the ultimate in-service application, the performance of each material will be different.Why Study Materials science and Engineering?Why do we study materials? Many an applied scientist or engineer, whether mechanical, civil, chemical, or electrical, will at one time or another be exposed to a design problem involving materials. Examples might include a transmission gear, the superstructure for a building, an oil refinery component, or an integrated circuit chip. Ofcourse, materials scientists and engineers are specialists who are totally involved in the investigation and design of materials.Many times, a materials problem is one of selecting the right material from the many thousands that are available. There are several criteria on which the final decision is normally based. First of all, the in-service conditions must be charac- terized, for these will dictate the properties required of the material. On only rare occasions does a material possess the maximum or ideal combination of properties. transmittance/♦❑✌❍♓♦☜⏹♦/ ⏹. 透射性sapphire /♦✌♐♓☯蓝宝石transparent/♦❑✌☐☪☯❑☯⏹♦/ ♎透明的;polycrystalline/ ☐♓❑♓♦♦☯♓多晶体; translucent/♦❑✌✞♎半透明的; opaque☯✞☐♏♓♎不透明的single crystal 单晶体Thus, it may be necessary to trade off one characteristic for another. The classic example involves strength and ductility; normally, a material having a high strength will have only a limited ductility. In such cases a reasonable compromise between two or more properties may be necessary.A second selection consideration is any deterioration of material properties that may occur during service operation. For example, significant reductions in mecha- nical strength may result from exposure to elevated temperatures or corrosive envir- onments.Finally, probably the overriding consideration is that of economics: What will the finished product cost? A material may be found that has the ideal set of proper- ties but is prohibitively expensive. Here again, some compromise is inevitable.The cost of a finished piece also includes any expense incurred during fabrication to produce the desired shape. The more familiar an engineer or scientist is with the various characteristics and structure–property relationships, as well as processing techniques of materials, the more proficient and confident he or she will be to make judicious materials choices based on these criteria.③Reference:William D. Callister, Materials science and engineering : anintroduction, Press:John Wiley & Sons, Inc.,2007;2-5 transmission gear传动齿轮dictate/♎♓♏♓决定trade off 权衡;折衷ductility♎✈♓●♓♦♓延展性/ ☯✞☯❑♋♓♎♓☠/♎最主要的judicious/♎✞✞♎♓☞☯♦/♎明智的Notes1.At this point, materials utilization was totally a selection process that involved deciding froma given, rather limited set of materials the one best suited for an application by virtue of itscharacteristics由此看来,材料的使用完全就是一个选择过程,且此过程又是根据材料的性质从许多的而不是非有限的材料中选择一种最适于某种用途的材料。
化学化工专业英语-------很好

1 CHEMISTRY AND CHEMISTWithout chemistry our lives would beunrecognisable, for chemistry is at work all aroundus. Think what life would be like without chemistry- there would be no plastics, no electricity and noprotective paints for our homes. There would be no synthetic fibres to clothe us and no fertilisers to help us produce enough food. We wouldn‟t be able to travel because there would be no metal, rubber or fuel for cars, ships and aeroplane. Our lives would be changed considerably without telephones, radio, television or computers, all of which depend on chemistry for the manufacture of their parts. Life expectancy would be much lower, too, as there would be no drugs to fight disease.Chemistry is at the forefront of scientific adventure, and you could make your own contribution to the rapidly expanding technology we are enjoying. Take some of the recent academic research: computer graphics allow us to predict whether small molecules will fit into or react with larger ones - this could lead to a whole new generation of drugs to control disease; chemists are also studying the use of chemicals to trap the sun‟s energy and to purify sea water; they are also investigating the possibility of using new ceramic materials to replace metals which can corrode.Biotechnology is helping us to develop new sources of food and new ways of producing fuel, as well as producing new remedies for the sick. As the computer helps us to predict and interpret results from the test tube, the speed, accuracy and quality of results is rapidly increasing - all to the benefit of product development.It is the job of chemists to provide us with new materials to take us into the next century, and by pursuing the subject, you could make your positive contribution to society.Here are some good reasons for choosing chemistry as a career.Firstly, if you have an interest in the chemical sciences, you can probably imagine taking some responsibility for the development of new technology. New ideas and materials are constantly being used in technology to improve the society in which we live. You could work in a field where research and innovation are of primary importance to standards of living, so you could see the practical results of your work in every day use.Secondly, chemistry offers many career opportunities, whether working in a public service such as a water treatment plant, or high level research and development in industry. Your chemistry-based skills and experience can be used, not only in many different areas within the chemical industry, but also as the basis for a more general career in business.1 As a qualification, chemistry is highly regarded as a sound basis for employment.You should remember that, as the society we live in becomes more technically advanced, the need for suitably qualified chemists will also increase. Although chemistry stands as a subject in its own right, it acts as the bond between physics and biology. Thus, by entering the world of chemistry you will be equipping yourself to play a leading role in the complex world of tomorrow.Chemistry gives you an excellent training for many jobs, both scientific and non-scientific. To be successful in the subject you need to be able to think logically, and be creative, numerate, and analytical. These skills are much sought after in many walks of life, and would enable you to pursue a career in, say, computing and finance, as well as careers which use your chemistry directly.Here is a brief outline of some of the fields chemists work in:Many are employed in the wealth-creating manufacturing industries - not just oil, chemical and mining companies, but also in ceramics, electronics and fibres. Many others are in consumer based industries such as food, paper and brewing; or in service industriessuch as transport, health and water treatment.In manufacturing and service industries, chemists work in Research and Development to improve and develop new products, or in Quality Control, where they make sure that the public receives products of a consistently high standard.Chemists in the public sector deal with matters of public concern such as food preservation, pollution control, defence, and nuclear energy. The National Health Service also needs chemists, as do the teaching profess ion and the Government‟s research and advisory establishments.Nowadays, chemists are also found in such diverse areas as finance, law and politics, retailing, computing and purchasing. Chemists make good managers, and they can put their specialist knowledge to work as consultants or technical authors. Agricultural scientist, conservationist, doctor, geologist, meteorologist, pharmacist, vet ... the list of jobs where a qualification in chemistry is considered essential is endless. So even if you are unsure about what career you want to follow eventually, you can still study chemistry and know that you‟re keeping your options open.What Do Chemistry Graduates Do?Demand for chemists is high, and over the last decade opportunities for chemistry graduates have been increasing. This is a trend that is likely to continue. Chemistry graduates are increasingly sought after to work in pharmaceutical, oil, chemical, engineering, textile and metal companies, but the range of opportunities also spans the food industry, nuclear fuels, glass and ceramics, optical and photographic industries, hospitals and the automotive industry. Many graduates begin in scientific research, development and design, but over the years, about half change, into fields such as sales, quality control, management, or consultancy. Within the commercial world it is recognised that, because of the general training implicit in a chemistry course, chemistry graduates are particularly adaptable and analytical - making them attractive to a very broad spectrum of employers. There has been a growth of opportunity for good chemistry graduates to move into the financial world, particularly in accountancy, retail stores, and computer software houses.(Summarized from: A brief of the Royal Society of Chemistry,1992)2 NOMENCLATURE OF INORGANICCOMPOUNDSNaming elementsThe term element refers to a pure substance with atoms all of a single kind. At present 107 chemical elements are known. For most elements the symbol is simply the abbreviated form of the English name consisting of one or two letters, for example:oxygen = O nitrogen = N magnesium = MgSome elements, which have been known for a long time, have symbols based on their Latin names, for example:iron = Fe (ferrum) copper = Cu (cuprum) lead = Pb (Plumbum)A few elements have symbols based on the Latin name of one of their compounds, the elements themselves having been discovered only in relatively recent times1, for example: sodium = Na (natrium = sodium carbonate)potassium = K (kalium = potassium carbonate)A listing of some common elements may be found in Table 1.Naming Metal Oxides, Bases and SaltsA compound is a combination of positive and negative ions in the proper ratio to give a balanced charge and the name of the compound follows from names of the ions, for example, NaCl, is sodium chloride; Al(OH)3is aluminium hydroxide; FeBr2is iron (II) bromide or ferrous bromide; Ca(OAc)2is calcium acetate; Cr2(SO4)3is chromium (III) sulphate or chromic sulphate, and so on. Table 3 gives some examples of the naming of metal compounds. The name of the negative ion will need to be obtained from Table 2.Negative ions, anions, may be monatomic or polyatomic. All monatomic anions have names ending with -ide. Two polyatomic anions which also have names ending with -ide are the hydroxide ion, OH-, and the cyanide ion, CN-.Many polyatomic anions contain oxygen in addition to another element. The number of oxygen atoms in such oxyanions is denoted by the use of the suffixes -ite and -ate, meaning fewer and more oxygen atoms, respectively. In cases where it is necessary to denote more than two oxyanions of the same element, the prefixes hypo- and per-, meaning still fewer and still more oxygen atoms, respectively, may be used, for example,hypochlorite ClO-Chlorite ClO2-chlorate ClO3-perchlorate ClO4-Naming Nonmetal OxidesThe older system of naming and one still widely used employs Greek prefixes for both the number of oxygen atoms and that of the other element in the compound 2. The prefixes used are (1) mono-, sometimes reduced to mon-, (2) di-, (3) tri-, (4) tetra-, (5) penta-, (6) hexa-, (7) hepta-, (8) octa-, (9) nona- and (10) deca-. Generally the letter a is omitted from the prefix (from tetra on ) when naming a nonmetal oxide and often mono- is omitted from the name altogether.The Stock system is also used with nonmetal oxides. Here the Roman numeral refers to the oxidation state of the element other than oxygen.In either system, the element other than oxygen is named first, the full name being used, followed by oxide 3. Table 4 shows some examples.Naming AcidsAcid names may be obtained directly from a knowledge of Table 2 by changing the name of the acid ion (the negative ion ) in the Table 2 as follows:The Ion in Table 2Corresponding Acid-ate-ic-ite-ous-ide-icExamples are:Acid Ion Acidacetate acetic acidperchlorate perchloric acidbromide hydrobromic acidcyanide hydrocyanic acidThere are a few cases where the name of the acid is changed slightly from that of the acid radical; for example, H2SO4 is sulphuric acid rather than sulphic acid. Similarly, H3PO4 is phosphoric acid rather than phosphic acid.Naming Acid and Basic Salt and Mixed SaltsA salt containing acidic hydrogen is termed an acid salt.A way of naming these salts is to call Na 2HPO4disodiumhydrogen phosphate and NaH2PO4sodium dihydrogenphosphate. Historically, the prefix bi- has been used innaming some acid salts; in industry, for example, NaHCO3 iscalled sodium bicarbonate and Ca(HSO3)2 calcium bisulphite.Bi(OH)2NO3, a basic salt, would be called bismuthdihydroxynitrate. NaKSO4, a mixed salt, would be calledsodium potassium sulphate.3 NOMENCLATURE OF ORGANIC COMPOUNDSA complete discussion of definitive rules of organic nomenclature would require more space than can be allotted in this text. We will survey some of the more common nomenclature rules, both IUPAC and trivial.AlkanesThe names for the first twenty continuous-chain alkanes are listed in Table 1.Alkenes and AlkynesUnbranched hydrocarbons having one double bond are named in the IUPAC system by replacing the ending -ane of the alkane name with -ene. If there are two or more double bonds, the ending is -adiene, -atriene, etc.Unbranched hydrocarbons having one triple bond are named by replacing the ending -ane of the alkane name with -yne. If there are two or more triple bonds, the ending is -adiyne, -atriyne etc. Table 2 shows names for some alkyl groups, alkanes, alkenes and alkynes.The PrefixesIn the IUPAC system, alkyl and aryl substituents and many functional groups are named as prefixes on the parent (for example, iodomethane). Some common functional groups named as prefixes are listed in Table 3.In simple compounds, the prefixes di-, tri-, tetra-, penta-, hexa-, etc. are used to indicate the number of times a substituent is found in the structure: e.g., dimethylamine for (CH3)2NH or dichloromethane for CH2Cl2.In complex structures, the prefixes bis-, tris-, and tetrakis- are used: bis- means two of a kind; tris-, three of a kind; and tetrakis-, four of a kind. [(CH3)2N]2is bis(dimethylamino) and not di(dimethylamino).Nomenclature Priority of Functional GroupsIn naming a compound, the longest chain containing principal functional group is considered the parent. The parent is numbered from the principal functional group to the other end, the direction being chosen to give the lowest numbers to the substituents. The entire name of the structure is then composed of (1) the numbers of the positions of the substituts (and of the principal functional group, if necessary); (2) the names of the substituts;(3) the name of the parent.The various functional groups are ranked in priority as to which receives the suffix name and the lowest position number1.A list of these priorities is given in Table 4.*-CKetonesIn the systematic names for ketones, the -e of the parent alkane name is dropped and -one is added. A prefix number is used if necessary.In a complex structure, a ketone group my be named in IUPAC system with the prefix oxo-. (The prefix keto- is also sometimes encountered.)AlcoholsThe names of alcohols may be: (1) IUPAC; (2) trivial; or, occasionally, (3) conjunctive. IUPAC names are taken from the name of the alkane with the final -e changed to -ol. In the case of polyols, the prefix di-, tri- etc. is placed just before -ol, with the position numbers placed at the start of the name, if possible, such as, 1,4-cyclohexandiol. Names for some alkyl halides, ketones and alcohols are listed in Table 5.EthersEthers are usually named by using the names of attached alkyl or aryl groups followed by the word ether. (These are trivial names.) For example, diethyl ether.In more complex ethers, an alkoxy- prefix may be used. This is the IUPAC preference, such as 3-methoxyhexane. Sometimes the prefix- oxa- is used.AminesAmines are named in two principal ways: with -amine as the ending and with amino- as a prefix. Names for some ethers and amines can be found in Table 6.Carboxylic AcidsThere are four principal types of names for carboxylic acids: (1) IUPAC; (2)trivial;(3)carboxylic acid; and (4)conjunctive. Trivial names are commonly used.AldehydesAldehydes may be named by the IUPAC system or by trivial aldehyde names. In the IUPAC system, the -oic acid ending of the corresponding carboxylic acid is changed to -al, such as hexanal. In trivial names, the -ic or -oic ending is changed to -aldehyde, such as benzaldehyde. Table 7 gives a list of commonly encountered names for carboxylic acids and aldehydes.Esters and Salts of Carboxylic AcidsEsters and salts of carboxylic acids are named as two words in both systematic and trivial names. The first word of the name is the name of the substituent on the oxygen. The second word of the name is derived from the name of the parent carboxylic acid with the ending changed from -ic acid to -ate.AmidesIn both the IUPAC and trivial systems, an amide is named by dropping the -ic or -oic ending of the corresponding acid name and adding -amide, such as hexanamide (IUPAC) and acetamide (trivial).Acid AnhydridesAcid anhydrides are named from the names of the component acid or acids with the word acid dropped and the word anhydride added, such as benzoic anhydride.The names for some esters, amides and anhydrides are shown in Table 8.Acid HalidesAcid halides are named by changing the ending of the carboxylic acid name from -ic acid to -yl plus the name of the halide, such as acetyl chloride.Some names of aryl compounds and aryls are as follows:benzenephenylbenzylarylbenzoic acid4. Introduction to Chemistry Department of FloridaUniversityProgram of StudyThe Department of Chemistry offers programs of study leading to the M.S. and Ph.D. degrees. Students may elect studies in analytical, inorganic, organic, and physical chemistry. Specialty disciplines, such as chemical physics and quantum, bioorganic, polymer, radiation, and nuclear chemistry, are available within the four major areas.The M.S. and Ph.D. degree requirements include a course of study, attendance at and presentation of a series of seminars, and completion and defense of a research topic worthy of publication1. Candidates for the Ph.D. degree must also demonstrate a reading ability of at least one foreign language and show satisfactory performance on a qualifying examination. The M.S. degree is not a prerequisite for the Ph.D. degree. A nonthesisdegree program leading to the M.S.T. degree is offered for teachers.Students are encouraged to begin their research shortly afterselecting a research director, who is the chairman of the supervisorycommittee that guides the student through a graduate career.Research FacilitiesThe chemistry department occupies 111,000 square feet of space in four buildings: Leigh Hall, the Chemical Research Building, Bryant Hall, and the Nuclear Science Building. Plans for a 65,000-square-foot addition to Leigh Hall are being prepared. A new central science library is located near the chemistry facilities. The University library system holds more than 2.2 million volumes.The major instrumentation includes ultraviolet-visible, infrared, fluorescence, Roman, nuclear magnetic resonance, electron spin resonance, X-ray, ESCA, and mass spectrometers. Many are equipped with temperature-control and Fourier-transform attachments, and some have laser sources. Data-storage and data-acquiring minicomputers are interfaced to some of the instruments, such as the recently constructed quadrupole resonance mass spectrometer. The chemistry department has V AX-11/780 and V AX-11/750 computers as well as multiple terminals connected to IBM machines in the main computer centre on campus.The departmental technical services include two well-equipped stockrooms and glassblowing, electronics, and machine shops to assist in equipment design, fabrication, and maintenance.Financial AidMost graduate students are given financial support in the form of teachingand research assistantships. Stipends range from $9400 - 11,000 for the1986-87 calendar year. State residents and assistantship holders pay in-statefees of about $1400 per calendar year. A limited number of full orsupplemental fellowships are available for superior candidates.Cost of StudyIn 1985-86, in-state students paid a registration fee of $48.62, per credit hour for each semester, out-of-state students paid an additional $ 94.50 ($ 143.12 per credit hour each semester). A small increase in fees is expected for 1986-87.5 ENVIRONMENTAL POLLUTIONWith the coming of the Industrial Revolution the environmentalpollution increased alarmingly. Pollution can be defined as an undesirablechange in the physical, chemical, or biological characteristics of the air, water,or land that can harmfully affect health, survival, or activities of humans orother living organisms. There are four major forms of pollution - waste onland, water pollution (both the sea and inland waters), pollution of the atmosphere and pollution by noise.Land can be polluted by many materials. There are two major types of pollutants: degradable and nondegradable. Examples of degradable pollutantsare DDT and radioactive materials. DDT can decompose slowly buteventually are either broken down completely or reduced to harmless levels. For example, it typically takes about 4 years for DDT in soil to be decomposed to 25 percent of the original level applied. Some radioactive materials that give off harmful radiation, such as iodine-131, decay to harmless pollutants. Others, such as plutonium-239 produced by nuclear power plants, remains at harmful levels for thousands to hundreds of thousands of years.Nondegradable pollutants are not broken down by natural processes. Examples of nondegradable pollutants are mercury, lead and some of their compounds and some plastics. Nondegradable pollutants must be either prevented from entering the air, water, and soil or kept below harmful levels by removal from the environment.Water pollution is found in many forms. It is contamination of water with city sewage and factory wastes; the runoff of fertiliser and manure from farms and feed lots; sudsy streams; sediment washed from the land as a result of storms, farming, construction and mining; radioactive discharge from nuclear power plants; heated water from power and industrial plants; plastic globules floating in the world‟s oceans; and female sex hormones entering water supplies through the urine of women taking birth control pills.Even though scientists have developed highly sensitive measuringinstruments, determining water quality is very difficult. There are a largenumber of interacting chemicals in water, many of them only in trace amounts.About 30,000 chemicals are now in commercial production, and each yearabout 1,000 new chemicals are added. Sooner or later most chemicals end up in rivers, lakes, and oceans. In addition, different organisms have different ranges of tolerance and threshold levels for various pollutants. To complicate matters even further, while some pollutants are either diluted to harmless levels in water or broken down to harmless forms by decomposers and natural processes, others (such as DDT, some radioactive materials, and some mercury compounds) are biologically concentrated in various organisms1.Air pollution is normally defined as air that contains one or more chemicals in high enough concentrations to harm humans, other animals, vegetation, or materials. There are two major types of air pollutants. A primary air pollutant is a chemical added directly to the air that occurs in a harmful concentration. It can be a natural air component, such as carbon dioxide, that rises above its normal concentration, or something not usually found in the air,such as a lead compound. A secondary air pollutant is a harmful chemical formed in the atmosphere through a chemical reaction among air components.We normally associate air pollution with smokestacks and cars, but volcanoes, forest fires, dust storms, marshes, oceans, and plants also add to the air chemicals we consider pollutants. Since these natural inputs are usually widely dispersed throughout the world, they normally don‟t build up to harmful levels. And when they do, as in the case of volcanic eruptions, they are usually taken care of by natural weather and chemical cycles2.As more people live closer together, and as they use machines to produce leisure, they find that their leisure, and even their working hours, become spoilt by a byproduct of their machines – namely, noise,The technical difficulties to control noise often arise from the subjective-objective nature of the problem. You can define the excessive speed of a motor-car in terms of a pointer reading on a speedometer. But can you define excessive noise in the same way? You find that with any existing simple “noise-meter”, vehicles which are judged to be equally noisy may show considerable difference on the meter.Though the ideal cure for noise is to stop it at its source, thismay in many cases be impossible. The next remedy is to absorb iton its way to the ear. It is true that the overwhelming majority ofnoise problems are best resolved by effecting a reduction in thesound pressure level at the receiver. Soft taped music in restaurantstends to mask the clatter of crockery and the conversation at thenext table. Fan noise has been used in telephone booths to maskspeech interference from adjacent booths. Usually, the problem is how to reduce the sound pressure level, either at source or on the transmission path.6 ANALYTICAL INSTRUMENT MARKETThe market for analytical instruments is showing a strength only dreamed about as little as five years ago. Driven by the need for greater chemicalanalysis coming from quality control and government regulation, arobust export market, and new and increasingly sophisticatedtechniques, sales are increasing rapidly1.The analytical instrument business' worldwides sales arenearly double their value of five years ago, reaching $ 4.1 billion in1987. Such growth is in stark contrast to the doldrums of severalyears ago when economic recession held back sales growth to littleor nothing. In recent years, the instrumentation market hasrecovered, growing at nearly 9% per year, and it‟s expected t o continue at this rate at least until the 1990. With sales increases exceeding inflation, the industry has seen the real growth demonstrating the important role of chemical instrumentation in areas such as research and development, manufacturing, defense, and the environment in a technologically advancingworld2.Chromatography is the fastest-growing area, comprising 40%, or $ 1.5billion, in 1987 world sales. Chromatographic methods are used extensively inindustrial labs, which purchase about 70% of the devices made, for separation,purification, and analysis. One of the biggest words in all forms of chromatography is “biocompatibility.” Biocompatible instruments are designed to have chemically inert, corrosion-resistant surfaces in contact with the biological samples.Gas Chromatography sales are growing at about the same rate as the instrument market.Some of the newest innovations in GC technology are the production of more instruments with high-efficiency, high-resolution capillaries and supercritical fluid capability.Despite having only a 3% share of the GC market, supercritical fluid chromatography (SFC) has attracted a great deal of attention since its introduction around 1985 and production of the first commercial instrument around 1986. SFC, which operates using asupercritical fluid as the mobile phase, bridgesthe gap between GC and HPLC. The use ofthese mobile phases allows for higherdiffusion rates and lower viscosities thanliquids, and a greater solvating powerthan gases.Another area showing tremendous growth is ion chromatography (IC). From growth levels of 30% per year in the U.S. and similar levels worldwide, the rate is expected to drop slightly but remain high at 25%. The popularity of IC has been enhanced through extending its applicability from inorganic systems to amino acids and other biological systems by the introduction of biocompatible instruments.Mass spectrometry (MS) sales have been growing about 12% annually. Sales have always been high, especially since MS is the principal detector in a number of hyphenated techniques such as GC-MS, MS-MS, LC-MS, and GC-MS accounts for about 60% of MS sales since it is used widely in drug and environmental testing. Innovations in interface technology such as inductively coupled plasma/MS, SFC/MS, and thermospray or particle beam interfaces for LC-MS have both advanced the technology and expanded the interest in applications. Recent MS instruments with automated sampling and computerized data analysis have added to the attractiveness of the technique for first time users.Spectroscopy accounts for half of all instrument sales and is the largest overall category of instruments, as the Alpert & Suftcliffe study shows. It can be broken down evenly into optical methods and electromagnetic, or nonoptical, spectroscopies. These categories include many individual high-cost items such as MS, nuclear magnetic resonance spectrometers, X-ray equipment, and electron microscopy and spectroscopy setups. Sales of spectroscopic instruments that are growing at or above the market rate include Fourier transform infrared (FTIR), Raman, plasma emission, and energy dispersive X-ray spectrometers. Others have matured and slowed down in growth, but may still hold a large share of the market.The future of analytical instrumentation does not appear to be without its new stars as there continue to be innovations and developments in existing technology. Among these are the introduction of FT Raman, IR dichroism, IR microscopy, and NMR imaging spectrometers. Hyphenated and automated apparatus are also appearing on the market more frequently. New analytical techniques like capillary electrophoresis, gel capillary electrophoresis, scanning tunneling microscopy for the imaging of conducting systems, atomic force microscopy for the imaging of biological systems, and other techniques for surface and materials analysis are already, or may soon be, appearing as commercialized instruments. And, if the chemical industry continues to do well in the next few years, so too will the sales of analytical instrumentation.The effect of alcohol have both medical and medicolegal implications. The estimationof alcohol in the blood or urine is relevant when the physician needs toknow whether it is responsible for the condition of the patient. From themedicolegal standpoint the alcohol level is relevant in cases of suddendeath, accidents while driving, and in cases when drunkenness is thedefense plea. The various factors in determining the time after ingestion showing maximum concentration and the quality of the alcohol are the weight of the subject,。
化工专业英语全解

5
Bulk chemical industry: 大化工
Unit 6 Chlor-Alkali and Related Processes
The segment is normally taken to include~~~~.
9
These are used by industries that need the liquid sodium, mainly in the production of tetra-alkyl lead petroleum additives, though the petroleum additive companies are diversifying and other uses may appear.
The industry will move more to serving the rest of the chemical industry and less to serving the farming industry.
工业将趋向于效劳化学工业的其余局部,而不是农业。
Another threat is the perceived environmental messiness of many large-scale
Extent of branching: 支链长度 Crossing-linking: 交联
Random copolymer: 无规共聚物 Alternating copolymer:交替共聚物 Block copolymer: 嵌段共聚物
Multiply: 增加
同一聚合物根据最终的应用有许多不同级别,例如说,不同的分子量、分子量分布、 支链长度、交联等等,当考虑到共聚物时〔无规共聚物,交替共聚物,嵌段共聚物〕, 这些级别还会增加。
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There are two types of heat treatment applicable to aluminum alloys. Materials with two micropores of <2nm diameter can absorb quite large amount of natural gas.
2. 句法的对比
1)句子结构转换 (1)英语简单句转换成汉语复合句。 (2)英语复合句转换成汉语简单句。
(3)英语复合句转换成汉语复合句。 (4)英语被动结构转换成汉语主动结构,或英语主 动结构转换成汉语被动结构。 (5)英语倒装句转换成汉语正常句序。
例:
The WP valve ensures a smooth, laminar airflow over its surface, allowing more air into the engine.
4)状语的位置
汉语中状语—般是前置,而英语中状语可前置也可后置。
When ignited, the exothermic reaction reaches the welding
temperature within a few seconds.
In operation the temperature of the rotor, the surrounding case and the liquid inside remains in equilibrium as the process temperature changes.
3. 翻译的过程
(1)理解阶段。理解阶段的主要环节是辩明词义和语法关系,即正确 判断英语句子中的语言现象,分析各个句子成分的逻辑关系和句子的语 法结构,弄清词、词组、短语、从句的确切含义和句子所叙述的专业内 容,并把前后句子贯串起来理解,形成对原文的完整印象,真正掌握原 文的内容和实质。 (2)表达阶段。表达阶段就是在理解的基础上,以忠实于原意为前提, 灵活地运用各种适当的翻译方法和技巧,写出符合汉语规范、表达习惯 以及翻译标准的译文。 (3)校核阶段。校核阶段是理解与表达的进一步深化,是对原文内容 进一步核实,对译文语言进一步推敲,使译文符合标准规范。校核通常 有以下三个步骤: ①初校:着重校核内容,在初稿译出后,对照原文进行校核, 看有没有漏译或错译之处。 ②复校:脱离原文,着重润饰文字,看译文是否符合译语的习 惯表达法,是否符合译语规范,是否通顺。 ③定稿:是在初校和复校的基础上,再次对照原文,进行一次 仔细认真的校核,如果所有的问题均已解决,译文才能定稿。
2.2 科技英语翻译的基本技巧
翻译是各民族思想交流的工具。不同的民族使 用不同的语言,为了达到相互交流的目的,就需要 通过翻译。 主要包括:
1)词义引申 2)词量增减 3)词类转换 4)成分转换 5)成分分译 6)重复译法 7)被动语态的译法 8)长句翻译
第一篇
第2章
2.1 概论
专业英语基础
专业文献的翻译
1. 翻译的定义和目的
翻译是把一种语言的信息用另一种语言表达 出来,翻译的目的是使译文的读者能得到原作者所 表达的思想,得到与原文读者大致相同的感受。翻 译涉及到两种语言,而不同的语言有不同的表达方 式,所以翻译决不是从一种语言到一种语言的简单 转换,它要求译者进行创造性的实践活动。
2.2 英汉语言的对比
1. 词法的对比
1)词义的对应关系 英语中的词和汉语中的词的词义范围大都只是部分 对等,全部对等的词很少,一般只有专有名词和科技术语 才有可能(如ratio, temperature, velocity,viscosity) 。 例:Vehicle——交通工具,车辆,媒介物,传达手段等 ——any kind of contrivance, on wheels or runners, used to carry people from one place to another over land (e.g. a carriage, a bicycle, a sleigh, etc.) a means of transmission. 例句:
例1:Although the oil spills have happened repeatedly in the past, significant public concern does not appear to have been aroused until the Torrey Canyon tanker disaster occurred in March 1967. 例2:In the case of carbon burning in an oxygen bearing atmosphere, diffusion of oxygen to the carbon interface must occur before oxidation of carbon can take place. 例3:A major simplification in the refrigeration plant is achieved by dispensing with an expansion machine and using a simple throttle valve to obtain the reduction in pressure.
2)主句和从句的顺序 英语的复合句中表示时间和因果关系的从句的位置比较 灵活,但是汉语的表达习惯是按时间顺序叙述,先发生的事 件先说,后发生的事件后说,谈到因果关系时,先说明原因, 后叙述结果。因此在翻译有时间和因果关系的复合句时,要 注意按照汉语的习惯表达。
Although metals are crystalline solids, this is not immediately apparent when they are examined under a microscope.
Much of the pollution caused by cars happens when they change speed. A plug-and-play version of the valve, in which electrical and pneumatic connections are achieved by simply sliding the valve into position and locking it, will be seen next year. Then comes the analysis (or computation) of internal forces.
Matter is the vehicle of energy.
A news paper is a powerful propaganda vehicle.
2)词序的差异 汉语是分析性语言,依靠词序表示各成分之间的关系,词 序是严格的,而英语助词序比较灵活。英语和汉语的句子中主 语、谓语、宾语和表语的词序大体一致,但是定语和状语的位 置有时相同,有时不同。在翻译的应该注意汉语的习惯。 3)定语的位置 英语中可作定语的有单词、短语和定语从句,以单词作定 语一般前置,以短语和从句作定语一般后置。汉语的定语一般 都在被修饰词之前。
2. 翻译的标准
翻译标准是翻译实践的准则和衡量译文好坏的尺度。翻译标准有 三条: (1)准确明白。“准确”,就是说译文要准确无误地表达原文含 义,不得有错。“明白”,即要求译文不仅要忠实于原文,而且应清 楚明白地转达原文的意思,没有模糊不清之处。为此,必须正确理解 原文,使译文不产生歧义。 (2)通顺严密。“通顺”,是指译文符合汉语的语法要求、修辞 规则和通常习惯,使读者易看易懂易解。“严密”,是说译文语言既 要通畅又应严密,不要因为通顺而牺牲了原文的严密性。要达到此目 的,译文的选词造句要符合汉语要求;译句中的词语之间,译文的译 句之间要有呼应和关联,要逻辑清楚,层次分明,语气连贯,恰当地 体现出原文的时态、语态和语气。 (3)简练全面。“简练”,就是译文要简洁、精练,没有冗词赘 语,不重复罗嗦。“全面”,是说译文不但要尽可能简练还应该力求 全面,不能因简练而造成遗漏。这就要求翻译时在完全包容原文一切 含义的前提下不受原文结构的限制,利用适当的技巧进行翻译,从而 使译文简洁、精练、全面。