过程装备与控制工程专业英语
过程装备与控制工程专业英语
Unit 13 Principles of Heat TransferPractically all the operations that are carried out by the chemical engineer involve the production or absorption of energy in the form of heat. The laws governing the transfer of heat and the types of apparatus that have for their main object the control of heat flow are therefore of great importance.实际上，所有的由化学工程师进行的操作都要涉及热量的产生和吸收。
因此，控制传热的定律和以控制热流为主要目的的仪器类型都是很重要的。
1. Nature of Heat FlowWhen two objects at different temperatures are brought into thermal contact, heat flows from the object at the higher temperature to that at the lower temperature. The net flow is always in the direction of the temperature decrease. The mechanisms by which the heat may flow are three, conduction, convection, and radiation.当两种不同温度的物体开始接触后，热流就会从高温物体传给低温物体。
净热流总是随着温度降低的方向。
传热的机理通常分三种：热传导，热对流，热辐射。
过程装备与控制工程专业英语重点
《过程装备与控制工程专业英语》考试范围——made by REN09过控Unit 1 General Equilibrium Conditions of A System词汇：1、internal force 内力2、external force 外力3、equilibrium 平衡4、sufficient condition 充分条件5、necessary condition 必要条件虽然我们不能对其进行详细的讨论，以上结论适用于一个由任意外力作用的任何数量的质点所组成的系统，假设系统内力符合牛顿第三定律。
特别是，这些结果也适用于有限尺寸的物体，因为这样的物体可认为是有大量微体和质点组成的。
方程1.1是平衡的必要条件；也就是说，如果系统处于平衡，必须满足这些方程式。
通常情况下他们并不是平衡的充分条件；满足这些方程不一定保证系统将处于平衡。
然而，这并不会带来任何困难，以内我们只处理处于平衡的系统。
对于刚体，方程1.1既是必要条件又是充分条件。
检验它的充分性需要用到牛顿第二定律和其他超出本课文水平的知识。
Unit 9 internal structure of steel词汇1、internal structure of steel 钢材的内部就够2、alloy 合金3、fracture 断裂，断口4、grind 研磨，抛光5、polish 研磨，抛光，精加工钢是我们最重要的工程和建筑材料；它大概占所有金属制品的80%。
由于它具有强度高，容易制造成多种形状，特性广泛并且成本低。
我们生产从相当柔软的带钢到硬质工具钢等各种用途的钢的能力，很多情况下取决于对给定的以加工成型或未成形钢的热处理。
在研究钢材和其他黑色金属合金材料的热处理之前，先简要的地考察一下钢材的内部结构将是有益的。
一块钢材的表面情况并不能给出该刚才内部结构情况的任何迹象，但是如果一块金属被破坏，则断口将呈现出颗粒状的表面。
Unit 13 principles of heat transfer词汇1、The mechanisms by which the heat may flow are three ：conduction（热传导）、convection（热对流）、radiation（热辐射）2、natural convection 自然对流3、forced convection 强制对流4、electromagnetic wave 电磁波5、enthalpy 焓Unit 14单元操作有：fluid flow 流体流动，heat transfer 传热，evaporation 蒸发，drying 烘干，distillation 蒸馏，absorption 吸收，crystallization 结晶，mechanical physical separation 机械物理分离，membrane separation 膜分离，liquid-liquid separationUnit 15 chemical reaction engineering1、chemical reaction engineering 化学反应工程2、chemical kinetics 化学动力学3、fluid dynamics 流体力学4、materials mechanics 材料力学5、heat transfer 热转换6、thermal dynamics 热力学反应器的设计用到信息，知识，以及不同领域的经验——热力学、化学动力学、流体力学、传热、传质和经济学，化学反应工程是综合所有因素，其目的是正确设计一个化学反应器。
(建筑工程管理)过程装备与控制工程专业英语翻译
（建筑工程管理）过程装备与控制工程专业英语翻译GeneralEquilibriumConditionsofASystem力系的一般平衡条件在这一部分，我们将研究为了使一个物体保持平衡，作用在其上的力和力偶所必须满足的条件。
根据牛顿第一定律，施加在一个静止物体上的力系的合力一定为零。
然而，请注意这个定律对力矩或力系的转动效应只字未提。
显然，合力矩也一定为零，否则物体将会转动。
这里的基本问题是原先叙述的牛顿第一定律（和第二定律）只适用于非常小的物体，或者尺寸可以忽略的非零质量的粒子。
然而，它可以扩展到如下所述的有限尺寸的物体。
考虑一个由两个质点组成的系统，假设和为它们之间的相互作用力(图.1.1)。
这些力称为内力，因为它们是由于系统内部的物体之间的相互作用而产生的。
假定内力服从牛顿第三定律，我们有。
假如还有质点与系统外物体之间的相互作用力施加在质点上，如和,这些力称为外力。
显然，作用在一个特定粒子上的力一定有相同的应用，因为粒子的尺寸可以忽略。
如果系统内的每一个质点处于平衡，我们就可以说系统是平衡的。
在本例中，依据牛顿第一定律，作用在每个质点上的力的合力一定为零。
对质点A我们有：而对质点B有：作用在系统上的力的总和为：现在我们来研究这些力对于同一点P的合力矩。
由图1.1，我们有：由于力和有相同的作用线，力矩的条件可以改写为但；所以力和力矩的条件简化为和换句话说，如果系统处于平衡，那么作用在其上的合外力一定为零，而且这些力对于任一点的合力矩也为零。
内力不需要考虑，因为它们的效应相互抵消了。
如果系统处于平衡，那么and(1.1)这里是作用在系统上的所有外力的总和，而是这些力对任意点的合力矩，包括系统中可能作用有的力偶的矩。
方程（1.1）是平衡的必要条件；也就是说，如果系统处于平衡，必须满足这些方程。
一般来说它们不是平衡的充分条件。
然而，这并不会带来任何困难，因为我们的研究仅涉及平衡系统。
对于刚体，方程（1.1）既是其平衡的必要条件也是充分条件。
过程装备与控制工程专业英语词汇.
abrasiveness 研磨；腐蚀absolute 绝对的accumulate 堆积；积累acid 酸；酸性的，酸味的actuator 执行机构adjust 调整；调节agitation 搅拌air preheater 空气预热器air register 空气调节器airflow 气流alkali 碱allowance 公差，容差，容许量alloy 合金alternating current 交流电angle 角度，角apparatus 装置，仪器，仪表application 应用artificial 人造的；仿造的assembly 装配atmospheric 大气的，大气层的austenite 奥氏体automation 自动化，自动操作auxiliary 辅助设备，附属机构backflow 回流baffle 挡板；折流板；隔板batch 一批，批量bearing 轴承bellow 波纹管belt 带；腰带；地带blade 叶片blower 鼓风机boiler 锅炉bolt 螺栓bonnet 阀盖，阀帽，机罩box furnace 箱式炉brittle 易碎的，脆弱的burner 燃烧器bushing 轴衬；套管butterfly valve 蝶阀capacity 容积carbon steel 碳钢，碳素钢casing 机壳cast 浇铸catalyst 催化剂category 分类，种类cavity 腔；洞，凹处centrifugal force 离心力chamber 腔，室，船舱check valve 止回阀checklist 检查表，清单classify 分类；分等clockwise 顺时针方向的- 1 -coating 涂层，覆盖层coefficient 系数coil 盘管，线圈coking 结焦，焦化column 圆柱，柱形物combination 结合combustion 燃烧，氧化component 成分；组件；零件composition 组成，成分compressor 压缩机concentration 浓度concentric 同轴的，同心的condense 浓缩；凝结condenser 冷凝器；凝汽器conduction 传导cone roof 锥形顶constant 常量，常数contract 缩小，收缩contrast 对比，形成对照controller 控制器convection 对流convert 使转变；转换。
过程装备与控制工程专业英语重点
《过程装备与控制工程专业英语》考试范围——made by REN09过控Unit 1 General Equilibrium Conditions of A System词汇：1、internal force 内力2、external force 外力3、equilibrium 平衡4、sufficient condition 充分条件5、necessary condition 必要条件虽然我们不能对其进行详细的讨论，以上结论适用于一个由任意外力作用的任何数量的质点所组成的系统，假设系统内力符合牛顿第三定律。
特别是，这些结果也适用于有限尺寸的物体，因为这样的物体可认为是有大量微体和质点组成的。
方程1.1是平衡的必要条件；也就是说，如果系统处于平衡，必须满足这些方程式。
通常情况下他们并不是平衡的充分条件；满足这些方程不一定保证系统将处于平衡。
然而，这并不会带来任何困难，以内我们只处理处于平衡的系统。
对于刚体，方程1.1既是必要条件又是充分条件。
检验它的充分性需要用到牛顿第二定律和其他超出本课文水平的知识。
Unit 9 internal structure of steel词汇1、internal structure of steel 钢材的内部就够2、alloy 合金3、fracture 断裂，断口4、grind 研磨，抛光5、polish 研磨，抛光，精加工钢是我们最重要的工程和建筑材料；它大概占所有金属制品的80%。
由于它具有强度高，容易制造成多种形状，特性广泛并且成本低。
我们生产从相当柔软的带钢到硬质工具钢等各种用途的钢的能力，很多情况下取决于对给定的以加工成型或未成形钢的热处理。
在研究钢材和其他黑色金属合金材料的热处理之前，先简要的地考察一下钢材的内部结构将是有益的。
一块钢材的表面情况并不能给出该刚才内部结构情况的任何迹象，但是如果一块金属被破坏，则断口将呈现出颗粒状的表面。
Unit 13 principles of heat transfer词汇1、The mechanisms by which the heat may flow are three ：conduction（热传导）、convection（热对流）、radiation（热辐射）2、natural convection 自然对流3、forced convection 强制对流4、electromagnetic wave 电磁波5、enthalpy 焓Unit 14单元操作有：fluid flow 流体流动，heat transfer 传热，evaporation 蒸发，drying 烘干，distillation 蒸馏，absorption 吸收，crystallization 结晶，mechanical physical separation 机械物理分离，membrane separation 膜分离，liquid-liquid separationUnit 15 chemical reaction engineering1、chemical reaction engineering 化学反应工程2、chemical kinetics 化学动力学3、fluid dynamics 流体力学4、materials mechanics 材料力学5、heat transfer 热转换6、thermal dynamics 热力学反应器的设计用到信息，知识，以及不同领域的经验——热力学、化学动力学、流体力学、传热、传质和经济学，化学反应工程是综合所有因素，其目的是正确设计一个化学反应器。
过程装备与控制工程专业英语单词总结概要
exert n.用力,施力fundamental v.基本的negligible a.可以忽略的moment n.力矩(各种矩 equilibrium n.平衡的cancel out 相约,相消preceding a.以前的pulley n.滑轮,皮带轮relegate vt.归类,委托Component n.分力,分量Scalar n.;a.纯量,标量Statically determinate 静定transverse a.横向,横切symmetry n.对称性pin support 铰支座roller support 滚轴支座translate 平移lateral 横向的,水平的sustain 支撑,承受住cantilever悬臂overhang外伸intensity 强度,密度reaction反作用力magnitude大小,量级equilibrate(使平衡inverse相反的counterclockwise逆时针方向的deliberately审慎的,故意的stress 应力strain应变deformable可(易变形的shaft轴derivation 推导,导出axially-loaded 受轴向载荷的blend 混合tension 拉伸,张力shear 剪切,剪力prismatic 等截面的at right angles to与。
垂直analogous类似的hydrostatic流体静力学submerge浸没,沉没denote 表示,指示resultant合力;合成的centroid质心,矩心,重心elongation伸长,延伸率adjacent 相邻的,临近的free-body自由体bendin moment弯矩convention协定,惯例algebraic 代数的truss 桁架unknowingly 无意中,不知不觉的lowercase 小写visualize 假设patently 明白的perpendicular 垂直,直立vector 矢量squash 压缩tangential 切向subscript 下标,脚码say 假定algebraic 代数差unidirectional 单向,单自由度的postulate 假设ductile 可塑,可锻,韧性的criterion 标准,规范rupture 断裂,破坏specimen 样本,试件monitor 监视,控制multitude 众多,大批sin 罪恶,犯罪ignorance 未知yield-point 屈服点longgitudinal 轴向的,纵向的circumferential 圆周的,环形的oscillatory 振荡的,摆动的confront 面临,面对wear 磨损,耐磨性fatigue 疲劳acute 敏锐,尖锐impair 损害,减少symmertrical 对称的,均匀的propeller 螺旋桨,推进器compact 压实,压紧chaff 废物,渣滓thresh 猛烈摆动glider 滑翔机panel 底座helical 螺旋(线,面,形 springboard 跳板,出发点pendulum 振动体bob 振子球displacement位移,平移customary 通常,习惯的reciprocal 相互的,倒数的amplitude 振幅angular 角,成角度的dissipative 损耗,消耗的damp 阻尼,减震viscous 粘性的constrain 约束coordinate 坐标specify 指定,确定detect 探测,检测knife-edges 韧性支承rotor转子armature 电枢,转子crankshaft 曲轴,centtrifugal 离心式的,离心机rock 摇动,摆动bearing 轴承equivalent 相等的,等价的converse 逆的,反的oz. ounce 盎司alloy 合金crystal 结晶,晶体lattice 晶格aggregate 集合,集合体valence 化合价electrostatic 静电的conductor 导体wrought 精制的,可锻的cast 浇铸,铸件ferrous 含铁的nonferrous 不含铁intake 吸入,入口manifold 集气管aluminum 铝magnessium 镁beryllium铍brass 黄铜bronze 铜tin 锡zinc 锌elusive 难以理解的ductility 韧性,延展性fracture 破裂brittle 脆性的interplay 相互作用manufacture 加工制造strength of materials 材料力学rheology 流变学outset 开头,开始relevant 有关的,相关的component 分量,组件scope 范围,工作域realm 领悟,范围concept 概念,原理harden 变硬,硬化classification 分类,分级conserve 保存,守恒melt 融化,熔融evaporation 蒸发,汽化forging 锻造characterize 表征,表示。
过程装备与控制工程专业英语
Reading Material 16Pressure Vessel Codes①History of Pressure Vessel Codes in the United States Through the late 1800s and early 1900s, explosions in boilers and pressure vessels were frequent. A firetube boiler explosion on the Mississippi River steamboat Sultana on April 27, 1865, resulted in the boat's sinking within 20 minuted and the death of 1500 soldiers going home after the Civil War. This type of catastrophe continued unabated into the early 1900s. In 1905, a destructive explosion of a firetube boiler in a shoe factory in Brockton, Massachusetts, killed 58 people, injured 117 others, and did $400000 in property damage. In 1906, another explosion in a shoe factory in Lynn, Massachusetts, resulted in death, injury, and extensive property damage. After this accident, the Massachusetts governor directed the formation of a Board of Boiler Rules. The first set of rules for the design and construction of boilers was approved in Massachusetts on August 30, 1907. This code was three pages long.②In 1911, Colonel E. D. Meier, the president of the American Society of Mechanical Engineers, established a committee to write a set of rules for the design and construction of boilers and pressure vessels. On February 13, 1915, the first ASMEBoiler Code was issued. It was entitled "Boiler Construction Code, 1914 Edition". This was the beginning of the various sections of the ASME Boiler and Pressure Vessel Code, which ultimately became Section 1, Power Boilers.③The first ASME Code for pressure vessels was issued as "Rules for the Construction of Unfired Pressure V essels", Section Ⅷ, 1925 edition. The rules applied to vessels over 6 in. indiameter, volume over 1.5 3ft, and pressure over 30 psi. In December 1931, a Joint API-ASMECommittee was formed to develop an unfired pressure vessel code for the petroleum industry. The first edition was issued in 1934. For the nest 17 years, two separated unfired pressure vessel codes existed. In 1951, the last API-ASME Code was issued as a separated document. In 1952, the two codes were consolidated into one code----the ASME Unfired Pressure Vessel Code, Section Ⅷ. This continued until the 1968 edition. At that time, the original code became Section Ⅷ, Division 1, Pressure Vessels, and another new part was issued, which was Section Ⅷ, Division 2, Alternative Rules for Pressure Vessels.④The ANSI/ASME Boiler and Pressure Vessel Code is issued by the American Society of Mechanical Engineers with approval by the American National Standards Institute (ANSI) as an ANSI/ASME document. One or more sections of the ANSI/ASME Boiler and Pressure Vessel Code have been established as the legal requirements in 47 states in the United Stated and in all provinces of Canada. Also, in many other countries of the world, the ASME Boiler and Pressure Vessel Code is used to construct boilers and pressure vessels.⑤Organization of the ASME Boiler and Pressure Vessel Code The ASME Boiler and Pressure Vessel Code is divided into many sections, divisions, parts, and subparts. Some of these sections relate to a specific kind of equipment and application; others relate to specific materials and methods for application and control of equipment; and others relate to care and inspection of installed equipment. The following Sections specifically relate to boiler and pressure vessel design and construction.Section ⅠPower Boilers (1 volume)Section ⅢDivision 1 Nuclear Power Plant Components (7 volumes)Division 2 Concrete Reactor Vessels and Containment (1 volume)Code Case Case 1 Components in Elevated Temperature service (in Nuclear Code N-47Case book)Section ⅣHeating Boilers (1 volume)Section ⅧDivision 1Pressure Vessels (1 volume)Division 2 Alternative Rules for Pressure Vessels (1 volume)Section ⅩFiberglass-Reinforced Plastic Pressure Vessels (1 volume)⑥A new edition of the ASME Boiler and Pressure Vessel Code is issued on July 1 every three years and new addenda are issued every six months on January 1 and July 1. The new edition of the code becomes mandatory when it appears. The addenda are permissive at the date of issuance and become mandatory six months after that date.⑦Worldwide Pressure Vessel Codes In addition to the ASME Boiler and Pressure Vessel Code, which is used worldwide, many other pressure vessel codes have been legally adopted in various countries. Difficulty often occurs when vessels are designed in one country, built in another country, and installed in still a different country. With this worldwide construction this is often the case.⑧The following list is a partial summary of some of the various codes used in different countries:Australia Australian Code for Boilers and Pressure Vessels, SAA Boiler Code (Series AS 1200):AS 1210, Unfired Pressure Vessels and Class 1 H, Pressure Vessels of Advanced Design and Construction, Standards Association of Australia.France Construction Code Calculation Rules for Unfired Pressure Vessels, Syndicat National de la Chaudronnerie et de la Tuyauterie Industrielle (SNCT), Paris, France.United Kingdom British Code BS. 5500, British Standards Institution, London, England.Japan Japanese Pressure V essel Code, Ministry of Labour, published by Japan Boiler Association, Tokyo, Japan; Japanese Standard, Construction of Pressure Vessels, JIS B 8243, published by the Japan Standards Association, Tokyo, Japan; Japanese High Pressure Gas Control Law, Ministry of International Trade and Industry, published by The Institution for Safety of High Pressure Gas Engineering, Tokyo, Japan.Italy Italian Pressure Vessel Code, National Association for Combustion Control (ANNCC), Milan, Italy.Belgium Code for Good Practice for the Construction of Pressure Vessels, Belgian Standard Institute (IBN), Brussels, Belgium.Sweden Swedish Pressure Vessel Code, Tryckkarls kommissioner, the Swedish Pressure Vessel Commission, Stockholm, Sweden.压力容器准则①美国的压力容器规范历史在19世纪和20世纪初期，锅炉和压力容器频繁发生爆炸事件。
过程装备与控制工程专业英语
第四单元Membrane Stresses薄膜应力Shells of Revolution回转壳体Curve曲线 Axis轴线Process vessels过程容器 Cylinder cylindrical 圆柱,圆柱的Cone conical圆锥 ,圆锥的Hemispherical sphere半球形的,球形 Ellipsoidal椭圆形的 T orispherical准球形的（碟形的）Bending stresses弯曲应力 Shear stresses剪切应力 Internal pressure内压Arising from…由什么引起Be subjected to…承受…Symmetric对称的Circumference周向的 Meridional stress经向应力 Circumferential stress周向应力T angential stress切向应力 Radius of curvature曲率半径 Normal component法向分量Diameter直径 An angle αto the axis与轴夹角α段落： 22页2，3段第五单元mechanical vibration机械振动 periodically repeated motion交替重复的运动 wear磨损bear轴承 fatigue疲劳 precision instrument精密仪表 propeller螺旋桨threshing machine脱粒机 spring弹簧 shaft轴 beam梁 cantilever beam悬臂梁cycle循环 frequency频率 amplitude振幅 displacement位移 elastic force弹性力free vibration自由振动 natural frequency自然频率 forced vibration受迫振动exciting force激振力 damped vibration阻尼振动 undamped vibration非阻尼振动degree of freedom自由度 coordinate坐标重点段落：图1.20下面的第一段:"Mechanical vibrations ...for many purposes."第六单元金属合金 metal alloy 结晶的crystalline 晶格crystal-lattice 原子atom 离子ions锻造金属wroung metal 铸造金属cast metal 导热体conductor of heat导电体conductor of electricity 塑性的plastic 黑色金属ferrous metal 铸铁cast iron有色金属nonferrous metal 碳钢carbon steel 铜合金copper alloy 钛trtanium熔点melting point第七单元原材料 the virgin/starting material 韧性ductility 脆性brittleness 断裂fracture硬化hardening 导热性 thermal conduction 润滑(n,v）lubrication ,lubricateThe final strength of any material used in an engineering component depends on its mechanical and physical properties after it has been subjected to one or more different manufacturing processes. 用于工程构件的任何一种材料的最终强度取决于这种材料在经历了一种或多种不同加工过程之后的机械与物理性质。
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The design of chemical reactors is probably the one activity which is unique to chemical engineering, and it is probably this function more than anything else which justifies the existence of chemical engineering as a distinct branch of engineering.
Physical treatment Steps
Produces
Recycle
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The raw materials undergo a number of physical treatment steps to put them in the form in which they can be reacted chemically. They then pass through the reactor.The products of the reaction must then undergo further physical treatment- separations, purifications, etc. - for the final desired product to be obtained. 原料进行了一些物理处理的步骤，使它们能够发 生化学反应。然后让他们通过反应器。产物要经 历进一步的物理处理——分离，净化提纯等等， 以获得期望的最终产品。
只有……才有的 化学反应器的设计也许是一种只有化学工程领域才涉及 的工作。并且可能正是因为这种功能才奠定了化学工程 作为工程领域的一个特殊分支而存在的合理性
English
Thermodynamics
热力学
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Thermodynamics gives two important pieces of information needed in design, the heat liberated or absorbed during reaction and the maximum possible extent of reaction. 热力学给出设计中需要的两条重要的信息，在反应中 会放出和吸收热量，而且最大值可能表示反应的程度。
物理处理步骤设备的设计在单元操作中研究。在这里我们关心的 是一个过程的化学处理步骤。
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Economically this may be in inconsequential unit, say a simple mixing tank .More often than not, however, the chemical treatment step is the heart of the process, the thing that makes or breaks the process economically. 从经济的角度说，这可能是个 不重要的单元，比如说一个简 单的搅拌槽。然而通常，化学 处理步骤是一个过程的核心， 它决定这个过程经济的成败。
“to produce”为动词不定式作目的状语 “a succession of”意为“一系列”
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Fig. 3.1shows a typical situation. 图 3.1展示了一个典型的情况。
Raw
materials
Physical treatment Steps
Chemical treatment Steps
化学关注的是这种 反应的研究。它研 究反应的模式和机 制，反应中涉及的 物质和能量的变化， 及产品形成的速 率。.
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It is the last-mentioned area of interest, chemical kinetics, which is of primary concern to us.Chemical kinetics searches for the factors that influence the rate of reaction.It measures this rate and proposes explanations for the values found.
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Chemical reactions are invariably accompanied by the liberation or absorption of heat, the magnitude of which must be known for proper design. Consider the reaction 化学反应总是伴随着热量的释放或吸收，为了合理的 设计，必须知道它的大小，考虑下面的反应： aA→rR+sS ,Δ Hr positive, endothermic ; negative , exothermic
适当的条件下， 供给的材料可 能转变为新的 不同的材料， 形成不同的化 学物质。
If this occurs only by rearrangement or redistribution of the constituent atoms to form new molecules, we say that a chemical reaction has occurred..
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The heat of reaction at temperature T is the heat transferred from surroundings to the reacting system when a moles of A disappear to form r moles of R and s moles of S, with the system measured at the same temperature and pressure before and after reaction. With heats of reaction known or estimable from thermochemical data, the magnitude of the heat effects during reaction can be calculated.
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Design of the reactor is no routine matter, and many alternatives can be proposed for a process . In searching for the optimum it is not just the cost of reactor that must be minimized. One design may have low reactor cost, but the materials leaving the unit may be such that their treatment requires much higher cost than alternative designs. Hence, the economics of the over-all process must be considered.
如果发生这种 情况只是由于 构成原子的重 排或再分配， 形成新的分子， 我们就说一个 化学反应已经 发生了。
Chemistry is concerned with the study of such reactions.It studies the mode and mechanism of reactions, the physical and energy changes involved and the rate of formation of produces.
热力学也可以从反应物的标准自由能来计算平衡常数。 由于平衡常数已知，可以估算出反应中可以得到的预期产品的最 大产量。
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English
化学动力学
Chemical Kinetics
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Under appropriate conditions feed materials may be transformed into new and different materials which constitute different chemical species
Process Equipment and Control Engineering
Unit 15
Chemical Reaction Engineering
化学反应
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Every industrial chemical process is designed to produce economically a desired product from a variety of starting materials through a succession of treatment steps. 每一个工业化工过程的设计都是从各种原材料出发， 经过一系列的生产加工步骤，来经济地生产出期望 的产品。
温度为T时， a mol的A消失生成了r mol的R和s mol的S，反应 的热量是环境传递给反应体系的，这是在反应前后相同的温度和 压力下对体系测量的结果。从热化学数据中可以得到或估算反应 的热量，反应中产生的热量大小可以计算。
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Thermodynamics also allows calculation of the equilibrium constant K from the standard free energies of the reacting materials. With the equilibrium constant known, the expected maximum attainable yield of the products of reaction can be estimated.