- 重点词汇
- hydrogenationn.加氢，氢化（作用）;
- processn.(为达到某一目标的)过程;进程;(事物发展，尤指自然变化的)步骤;流程;做事方法;工艺流程;工序
- inprep. 在里面;在(某范围或空间内的)某一点;在(某物的形体或范围)中;在…内;在…中;进入
- petrochemicaln.石油化学产品;
- anart. 一（在元音字母前代替不定代词a）;一任一某一;一个;
- hydrogenn.<化>氢;
- feedstockn.给料（指供送入机器或加工厂的原料）;进料;
- usedadj.习惯于，适应;
- isvt.& vi. 是(be的三单形式);
- importantadj.重要的;有声望的;
- 相关例句
The characteristics of conversion processes and sorts of reactor are discussed.
用甲烷作原料制备氢气有重要意义.
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In the cells of living systems there are many elaborate chemical reactions.
在生命系统的细胞里有许多复杂的化学反应.
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Compounds can often split up by chemical reactions into their constituent elements.
化合物常能通过化学反应分解为构成该化合物的各个元素.
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The invention relates to a acid tromethamine salt , of which the formula is C 18 H 23 NO 5.
一种联苯乙酸氨丁三醇盐, 化学式为C18H23NO5.
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The simplest ratio of the ions in the crystal is known as the formula unit.
离子晶体的单位化学式就是其中不同离子间的最简比.
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船体结构的材料 及 构件尺寸设计应满足船级社规范要求.
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一些板和部件的结构尺寸必须根据规范要求和建造者的惯例.
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There are many ways to keep the chemical equation of many group Balancing coefficient balance.
多组配平系数方程式的配平,方法较多.
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Don't you find it upsetting to reduce an emotion like love to a chemical equation?
你不认为将爱情这种情感降低为一种化学方程式有些扫兴 吗 ?
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One should clearly state the visible change and write down the chemical equation involved.
须清楚写出可见变化和有关的方程式.
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I little realised at the time what a tremendously false step mine had been!
那时我一点也没意识到我跳的是多么错误的一步 啊 !
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