23. environmentally friendly product24. life cycle analysis
25. scale up
26.化学工程
27.接触法硫酸生产工艺
28.中试工厂
29.能量守恒定律
30.副产物
四、Transiate the following passages into Chinese.
将下列段落翻译成中文(本大题共2小题,每小题5分,共10分)
31. The classical role of the chemical engineer is to take the discoveries made by the chemist in the laboratory and develop them into money-making,commercial-scale chemicalprocesses.
32.Some microorganisms in soil, water, and sediments can adapt their diets to a wide variety of organic chemicals; they have been used for decades in conventional waste treatmentsystems.
The process requires several (35)_______________: energy, nitrogen and hydrogen. Nitrogenis easy to (36)_______________from air,but hydrogen is (37)_______________problem.Originally it was derived from (38)_______________via coke which can be used as a raw material (basically a source of carbon) in steam reforming, (39)_______________steam is created with (40)_______________to (41)_______________hydrogen,carbon monoxide,and carbon dioxide. Now natural gas (mainly methane) is used (42)_______________,though other (43)_______________from oil can also be used. Ammonia plants always include hydrogen-producing plants (44) _______________directly to the production of ammonia。