单词 | 催化作用 |
释义 | 〔cracking〕Thermal decomposition, sometimes with catalysis, of a complex substance, especially the breaking of petroleum molecules into shorter molecules to extract low-boiling fractions such as gasoline.裂化:有时通过催化作用对复合物的热分解,尤指把石油分子分解成更小的分子并提取低沸点的分馏部分,如汽油〔carbohydrase〕Any of various enzymes, such as amylase, that catalyze the hydrolysis of a carbohydrate.糖酶:任何一种在碳水化合物的水解作用中起催化作用的酶,如淀粉酶〔esterase〕Any of various enzymes that catalyze the hydrolysis of an ester.酯酶:几种不同的酵素,能对酯的水解起到催化作用〔dehydrogenase〕An enzyme that catalyzes the removal and transfer of hydrogen from a substrate in an oxidation-reduction reaction.脱氢酶:一种酶,能在氧化还原反应过程中,对脱去作用物中的氢并转化氢起催化作用〔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〔transferase〕Any of various enzymes that catalyze the transfer of a chemical group, such as a phosphate or an amine, from one molecule to another.转化酶:任一种在从一种分子到另一种分子的转录过程中起催化作用的酶,如磷脂或胺〔oxygenase〕An oxidoreductase that catalyzes the incorporation of molecular oxygen into its substrate.氧酶:对有机化合物与分子氧反应起催化作用的一种酶〔carboxypeptidase〕An enzyme that catalyzes the hydrolysis of a terminal amino acid from the end of a peptide or polypeptide that contains a free carboxyl group.羧肽酶:一种酶,在含有游离羧基肽或多肽的末端水解氨基酸过程中起催化作用〔luciferin〕A chemical substance present in the cells of bioluminescent organisms, such as fireflies, that produces an almost heatless, bluish-green light when oxidized under the catalytic effects of luciferase.荧光素:存在于生物性发光有机体(比如萤火虫)中的一种化学物质,它在荧光素酶催化作用下氧化时发生几乎没有热量的蓝绿光〔Ostwald〕German chemist. He won a 1909 Nobel Prize for work on catalysis and chemical equilibrium.奥斯特瓦尔德,威廉:(1853-1932) 德国化学家。因其在催化作用和化学平衡方面的贡献获1909年诺贝尔奖〔dehydrochlorinase〕An enzyme that catalyzes the removal of hydrogen and chlorine from a chlorinated hydrocarbon.脱氯化氢酶:一种酶,在脱去氯化烃的氢和氯时起催化作用〔carboxylase〕An enzyme that catalyzes a carboxylation or decarboxylation reaction.羧(化)酶,羧基酶:在羧化或脱羧反应中起催化作用的一种酶 |
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