催化

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

以和溴乙烷为原料,用四乙氢氧化铵作相转移催化剂,在常压下合成N,N二乙。

The photocatalysis of the semiconductive materials convert the photon energy to chemical energy.

半导体材料的光催化效应可将光能转化为化学能。

Aim To study optimial technology for autogenesis-enzyme hydrolysis of total flavonoid glycoside in scutellaria.

目的黄芩自生催化水解总黄酮苷的工艺条件。

They are rate-limiting enzymes that degrade heme into same moles of dehydrobilirubin(biliverdin),CO and Fe.

血红素氧合催化血红素降解为同摩尔的一氧化碳、胆绿素和铁,胆绿素在胆绿素还原作用下,迅生成胆红素。

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.

以磷钨酸和磷钨酸铝为催化剂,用乳酸和正丁酸合成了乳酸正丁酯。

This is catalyzed by a transaminase enzyme in conjunction with the coenzyme pyridoxal phosphate.

催化这个反应的是氨转移，其上连接有磷酸吡哆醛作为辅。

The synthesis of feruloylated monoacylglycerol catalyzed by P-Toluene sulfonic acid was investigated.

对甲磺酸催化合成阿魏酸单甘油酯的工艺。

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.

催化剂是一种能加化学反应的物质。

A method for the synthesis of hexylene glycol by catalytic hydrogenation from diacetone is presented.

介绍以双丙酮醇为原料,经催化加氢合成异己二醇的方法。

The catalytic gas liquid isotope exchange reaction is a good method to prepare tritiated triptolid.

采用催化气液同位素交换法制备了氚化雷公藤甲素,探讨了反应时间和反应介质对反应产额的影响。

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

在此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.

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。

The research on the amino acid by dehydrogenation alkanolamine(s) in catalyst was recommended.

介绍了国内外醇催化脱氢制备氨酸的发展情况。

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

首次以杂多酸为催化剂采用酯化法合成丙二醇单乙醚乙酸酯。

VTT also laccases intercomparsion reaction catalyzed by enzymes, non-ferrous products of indicator for leakage.

VTT也利用漆催化促反应形成有色产物，渗漏指示剂的构成。

Ethyl lauryl alcohol respectively react with hydrobromic acid to product bromohydrocarbon,sulfuric acid for catalyst。

以正十二醇和氢溴酸为原料,在浓硫酸的催化下,生产溴十二烷。

Alkylation of ambident nucleophiles different places by using phase-transfer catalytic agent were studied in this paper.

本文了在相转移催化条件下对两可亲核试剂不同位置的烷化反应。

Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.

以碳酸二乙酯(DEC)为乙化试剂,与酚在气固相条件下催化合成乙醚。