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1、请大家完成后发到我的邮箱 ,以自己的姓名命名。本周完成，下周会有新的作业做的时候最好不要看书，不要查字典做的时候最好不要看书，不要查字典为了顺利通过考试，请大家坚持完成每周的作业，为了顺利通过考试，请大家坚持完成每周的作业，8.2日起日起2-4课作业课作业姓名 学号 一、单选1.Every scientific discipline has its characteristic set of problems and systematic methods for obtaining their solution, that is, its A. classification B.paradig
2、m C.definition D. system2.The concept of unit operations held that any chemical manufacturing process could be resolveda coordinated series of operations such as pulverizing, drying, roasting, crystallizing, filtering, evaporating, distilling, electrolyzing, and so onA. in B.with C.into D. on3.The f
3、irst paradigm for the discipline of chemical engineering was basedthe unifying concept of “unit operations“ proposed by Arthur D. Little4 in 1915A. in B.with C.into D. on4. When the started a chemical engineering program in 1888 as an option in its chemistry department, the curriculum largely descri
4、bed industrial operations and was organized by specific products.A. MIT B. Harvard C. Stanford D. Cambridge5.A quantitative form of the unit operations concept emerged around 1920, justtime for the first gasoline crisis because of the rapidly growing number of automobilesA. in B.with C.into D. on.6.
5、Chemical engineering has to do industrial processes in which raw materials are changed or separated into useful products.A. with B.through C. by D. even 7.Although the number of individual processes is great, each one can be broken down into a series of steps, called , each of which in turn appears
6、in process after process;A. operations B.arts C. yields D.paradims8.The strictly chemical aspects of processing are studied in a companion area of chemical engineering called A. thermodynamics B. mechanics C. mechanology D. reaction kinetics9.Theory and must combine to yield designs for equipment th
7、at can be fabricated, assembled, operated, and maintained.A. judgement B. practice C.science D.experience10. The chemical steps themselves are conducted by controlling the flow of material and to and from the reaction zone.A. product B. heat C. capital D. energy11. technical advances and efficiency
8、improvements in specific unit operations are occurring all the time, the big story is the hybridization of processes.A. When B. As C.For D .While.12.With environmental issues driving so many of the changes in the , technologies that help reduce reaction byproducts clearly are of increasing value.A.
9、CPI B. MIT C.ICI D.LCA13. With combined reaction/separation, highly reactive feedstock does not have a chance to react with products because the products are separated out immediatelyformation.A. when B. / C. before D.after二、英汉互译1. sulfuric acid 2.unit operation3.be broken down into4.catalytic membr
10、anes 5.equilibrium constant 6.byproduct 7.physical law8.fluid flow9.no exception三、乱词组句1. a coordinated series of operations unit operationscould be resolved into held that a ny chemical manufacturing process the concept of 2.low-equilibrium-constant reactions immediate removal of that are not commer
11、cially feasiblereaction products under normal conditions to proceed much furtheralso will enable 四、阅读理解While technical advances and efficiency improvements in specific unit operations are occurring all the time, the big story is the hybridization of processes. Combining individual unit operations, s
12、uch as reaction, separation, and heat exchange, into larger, concurrent operations will be major trend in upcoming years. Technologies such as reactive distillation, catalytic membranes, and phase-transfer catalysis2 all represent examples of hybridized processes where reaction and separation are co
13、mbined. A major advantage of these combined operations is a huge reduction in capital expenditure3 typically to one-tenth to one-fifth of the investment for a traditional setup4. In practice, at least at first while confidence in the performance and reliability of the combined operations builds comp
14、anies usually will run the newer, hybridized operations in parallel with older processes for the same product.In addition to their significant reduction in capital outlay, combined reaction/separation processes offer two other major advantages: reduction of unwanted reaction byproducts, and improvement of yields for reactions with low equilibrium constants.With environmental issues driving so many of the changes in the CPI6, technologies that help reduce reaction byproducts clearly
