| 单词 | 催化剂 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔accelerant〕A substance, such as a petroleum distillate, that is used as a catalyst, as in the spreading of an intentionally set fire.催化剂，促媒：一种可用作催化剂的东西，如石油蒸馏剂，可使纵火得以蔓延美国传统〔accelerator〕Chemistry A substance that increases the speed of a reaction.【化学】 加速剂，催化剂：加快反应速度的物质美国传统〔anticatalyst〕A substance that reduces or destroys the effectiveness of a catalyst.催化剂减缓物质：减轻或消除一种催化剂作用的物质美国传统〔anticatalyst〕A substance that retards or arrests a chemical reaction.反催化剂：延缓或阻碍化学反应的物质美国传统〔biocatalyst〕A substance, especially an enzyme, that initiates or modifies the rate of a chemical reaction in a living body; a biochemical catalyst.生物催化剂：能在活的体内产生化学反应或改变生物体内化学反应速度的物质，尤指酶；生物化学催化剂美国传统〔catalysis〕The action of a catalyst, especially an increase in the rate of a chemical reaction.催化作用：催化剂的作用，尤指加快化学反应速度的美国传统〔catalyst〕They hope his election will act as a catalyst for reform.他们希望他的当选会成为改革的催化剂。朗文当代〔catalytic cracker〕An oil refinery unit in which the cracking of petroleum takes place in the presence of a catalyst.催化裂化器：由于催化剂的存在而发生石油裂化的炼油装置美国传统〔catalyze〕To modify, especially to increase, the rate of (a chemical reaction) by catalysis.催化：通过催化剂来改变尤指加快（一个化学反应）的速度美国传统〔cyclase〕An enzyme that acts as a catalyst in the cyclization of a compound.环化酶：在化合物的环化作用中，作为催化剂的一种酶美国传统〔cytochrome〕Any of a class of iron-containing proteins important in cell respiration as catalysts of oxidation-reduction reactions.胞色细胞：任何一类含铁的蛋白质，在细胞呼吸中作氧化反应重要的催化剂美国传统〔enzyme〕Any of numerous proteins or conjugated proteins produced by living organisms and functioning as biochemical catalysts.酶：由活的有机体产生的各种蛋白质或蛋白质结合体的一种，起生物催化剂的作用美国传统〔flavoprotein〕Any of a group of enzymes containing flavin bound to protein and acting as dehydrogenation catalysts in biological reactions.黄素蛋白：由黄素与蛋白质相结合的任一类脱氢酶，在生化反应中作为脱氢反应的催化剂美国传统〔hydroforming〕A process in which naphthas are converted to high-octane aromatics in the presence of hydrogen and a catalyst under pressure and heat.临氢重整：在高温高压下，在氢和催化剂的作用下石油精转化为高辛烷值的芳烃的过程美国传统〔kicker〕A condition that imposes an automatic increase, as in a pension plan.催化剂、刺激物：引起自动增长的条件，如抚恤金计划中美国传统〔peroxisome〕A cell organelle containing enzymes, such as catalase and oxidase, that catalyze the production and breakdown of hydrogen peroxide.过氧物酶体：一种包含酶的细胞器官，如催化剂和氧化剂，能够催化过氧化氢的生成和分解美国传统〔platinum black〕A fine black powder of metallic platinum, used as a catalyst and as a gas absorbent.铂黑：一种很细的金属铂黑色粉末，用作催化剂和气体吸附剂美国传统〔reaction〕Catalysts are materials which greatly speed up chemical reactions.催化剂是可以大大加速化学反应的物质。柯林斯高阶〔reaction〕Catalysts are materials which greatly speed up chemical reactions.催化剂是可以大幅加速化学反应的物质。外研社新世纪〔regenerable〕The last step is to regenerate the catalyst.最后一步是将催化剂还原。21世纪英汉 |
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