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catalysis是什么意思？

基础释义
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柯林斯词典释义
英汉词典释义
英英词典释义
行业词典释义

catalysis

英[kə'tæləsɪs] 美[kəˈtælɪsɪs]

n. 催化作用；

复数：catalyses;

例句

radiation catalysis 辐射催化
multiple catalysis 多种催化作用
Numerous applications of two phase catalysis to hydroformylation, hydrogenation and other organic reactions are also described. 两相催化在烯烃的氢甲酰化反应、不饱和化合物的加氢反应以及其它有机反应中获得了广泛的应用.
Propyl glycidyl ether ( PGE ) was obtained from propyl alcohol and epichlorohydrin by phase - transfer catalysis. 以环氧氯丙烷和正丙醇为原料,通过相转移催化法合成了正丙基缩水甘油醚.
Alkyl dimethylamine is made from fatty alcohol and dimethylamine by one stage catalysis. 由脂肪醇、二甲胺一步催化法制取烷基二甲基胺.
Catalysis has increased the rate of reaction. 催化作用提高了反应的速度.
In specific acid catalysis, the undissociated acids do not contribute. 在特殊的酸催化中, 不离解的酸不起作用.
The catalysis of big pore strong acid resin for 1,4 - butanediol dehydration to tetrahydrofuran is investigated. 考察了大孔强酸性树脂对1,4 丁二醇脱水制四氢呋喃的催化作用.
The catalysis of big pore strong acid resin for 1, 4 - butanediol dehydration to tetrahydrofuran is investigated. 考察了大孔强酸性树脂对1, 4 丁二醇脱水制四氢呋喃的催化作用.
The FBC ( fluorous biphase catalysis ) is a new nonaqueous immobilization and phase - separation technique. 氟两相催化体系 ( FBC ) 是一种新型均相催化剂固定化(多相化)和相分离技术.

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柯林斯高阶英汉双解学习词典释义

N-UNCOUNT

催化作用;触媒作用

Catalysis is the speeding up of a chemical reaction by adding a catalyst to it.

英汉词典释义

n.
催化作用
multiple catalysis 多种催化作用 radiation catalysis 辐射催化

英英词典释义

Noun
1. acceleration of a chemical reaction induced the presence of material that is chemically unchanged at the end of the reaction;
"of the top 50 commodity chemicals, 30 are created directly by catalysis and another 6 are made from raw materials that are catalytically produced"

行业词典

体育：催化作用；
冶金学：催化；
化学：催化；
化工：催化；
医学：催化〔作用〕：在化学反应或过程中，由于不被消耗的物质的存在，所引起的化学反应或过程的速度变快；负催化〔作用〕(negative catalysis)是指由这样一种物质的存在而使某一反应或过程减慢或受到抑制；