催化剂

Propylene glycol monoether acetate was synthesized using heteropoly acid as catalyst for the firsttime.

首次杂多酸为催化剂采用酯化法合成丙二醇单乙醚乙酸酯。

We imagine using an anticatalyst to "freeze out" any chemical reactions in the system.

可想象利用一种反催化剂使体系内的任意化学反应“冻结”。

Synthesis of n-butyl lactate is catalyzed by phosphotungstic acid and aluminium phosphotungstate.

磷钨酸磷钨酸铝为催化剂,用乳酸正丁酸合成了乳酸正丁酯。

Resinification of furfural on the catalyst was the main cause of deactivation.

糠醛树脂化结焦是导致催化剂失活的主要原因。

A catalyst is a substance which speeds up a chemical reaction.

催化剂是一种能加速化学反应的物。

N,N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.

溴乙烷为原料,用四乙基氢氧化铵作相转移催化剂,在常压下合成N,N二乙基。

CuFe-PILC catalyst was prepared by doping technology during the preparation process of pillaring agent.

在此基础上对其进行掺杂改性，获得了铜铁复合层柱粘土催化剂。

Its catalytic performance in Heck reaction of iodobenzene with ethyl acrylate was studied.

研究了该催化剂对碘代与丙烯酸乙酯反应的催化性能及循环使用性能。

Nitrodiphenylamine is synthesiized by direct condensing method,adsopting aniline and 2-nitrochlorobenzene as feeds,PEG as phase transfer catalyst.

、邻硝基氯为原料,采用直接缩合法引入相转移催化剂合成邻硝基二。

The synthesis of nerolin bromelia by use of various phase transfer catalysts at different conditionsis studied.

研究了利用多种相转移催化剂在不同条件下合成橙花素。

Fe-only hydrogenase can catalyze the reversible reaction of protons and electrons to molecular hydrogen in nature.

对铁氢化酶活性中心进行化学模拟将有可能产生出新型的产氢催化剂。

The fuberidazole was prepared by reaction of O-phenylendiamine with furfural at the presence of CTMABas catalyst.

邻二糠醛为原料,十六甲基三烷基溴化铵(CTMAB)为催化剂合成了麦穗宁。

The best reaction condition are determined when synthesizing dibutyl maleate by using sloid chloride as catalyst.

提出了固体氯化物为催化剂合成马来酸二丁酯的最佳反应条件。

The performance of this catalyst for the cross-coupling reaction of iodobenzene with acrylic acid was studied.

研究了该催化剂对碘代与丙烯酸交叉偶联生成反式-肉桂酸的催化性能。

The hydrogenation of terpineol to dihydroterpineol catalyzed by Raney Nickel modified by potassium borohydride was studied.

研究了硼氢化钾修饰的雷尼镍催化剂催化松油醇加氢制备二氢松油醇的反应。

Activated carbon as the sorbent and catalyst support was capsulated with ethyl cellulose by phase separation methods.

摘要对兼具吸附催化剂载体功能的多孔结构活性炭，乙基纤维素为材料用相分离进行包覆。

N,N-diethylaniline was synthesized from aniline with bromoethane using tetraethylammonium chloride as phase transfer catalyst under atmospheric presure.

用四乙基氯化作相转移催化剂可在常压下由溴乙烷合成N,N-二乙基。

The catalytic system formed from polymer-supported neodymium complexes shows high catalytic activity and stereospecificity for butadiene polymerization.

聚合物载体-钕络合物催化剂具有很高的催化活性定向效应.

Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.

BTEAC(苄基三乙基氯化铵)为相转移催化剂合成了异烟酸乙酯。

Dibenzyl sulfoxide and dibenzyl sulfone were synthesized from dibenzyl sulfide oxidated with H 2O 2 without catalyst.

在无催化剂条件下利用过氧化氢氧化二苄基硫醚合成了二苄基亚砜二苄基砜。