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catalysis是什么意思？

基礎釋義
例句
柯林斯詞典釋義
英漢詞典釋義
英英詞典釋義
行業詞典釋義

catalysis

英[k?'t?l?s?s] 美[k??t?l?s?s]

n. 催化作用；

復數：catalyses;

例句

radiation catalysis 輻射催化
multiple catalysis 多種催化作用
Numerous applications of two phase catalysis to hydroformylation, hydrogenation and other organic reactions are also described. 兩相催化在烯烴的氫甲酰化反應、不飽和化合物的加氫反應以及其它有機反應中獲得了廣泛的應用.
Propyl glycidyl ether ( PGE ) was obtained from propyl alcohol and epichlorohydrin by phase - transfer catalysis. 以環氧氯丙烷和正丙醇為原料,通過相轉移催化法合成了正丙基縮水甘油醚.
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. 催化作用提高了反應的速度.
In specific acid catalysis, the undissociated acids do not contribute. 在特殊的酸催化中, 不離解的酸不起作用.
The catalysis of big pore strong acid resin for 1,4 - butanediol dehydration to tetrahydrofuran is investigated. 考察了大孔強酸性樹脂對1,4 丁二醇脫水制四氫呋喃的催化作用.
The catalysis of big pore strong acid resin for 1, 4 - butanediol dehydration to tetrahydrofuran is investigated. 考察了大孔強酸性樹脂對1, 4 丁二醇脫水制四氫呋喃的催化作用.
The FBC ( fluorous biphase catalysis ) is a new nonaqueous immobilization and phase - separation technique. 氟兩相催化體系 ( FBC ) 是一種新型均相催化劑固定化(多相化)和相分離技術.

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柯林斯高階英漢雙解學習詞典釋義

N-UNCOUNT

催化作用;觸媒作用

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

英漢詞典釋義

n.
催化作用
multiple catalysis 多種催化作用 radiation catalysis 輻射催化

英英詞典釋義

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"

行業詞典

體育：催化作用；
冶金學：催化；
化學：催化；
化工：催化；
醫學：催化〔作用〕：在化學反應或過程中，由于不被消耗的物質的存在，所引起的化學反應或過程的速度變快；負催化〔作用〕(negative catalysis)是指由這樣一種物質的存在而使某一反應或過程減慢或受到抑制；

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catalysis是什么意思？

catalysis