catalysis GRE

In a testing of petrolic engine, about 70% to 80% of nonmethane hydrocarbon is emitted into atmosphere without catalysis conversion in theoment of coldstart, so that serious pollution is produced.

在汽油机一个测试循环中,约占排放污染物总量70%～80%非甲烷碳氢化合物是在汽油机冷起阶段没有催化转化而直接排入大气中,造成严污染。

The method of synthesising terpinol with ion exchange resin catalysis was investigated. Effects of kind of solvent used, reaction temperature and reaction time on product output were studied.

探讨了用离子交换树脂催化合成松油醇工艺条件，考察了溶剂、反应温度和反应时间等对水合反应影响。

Unsaturated transition metal thiocarbonyl complexes are building blocks for stable organometallic complexes and play important role in catalysis and biology.The CS molecule is isovalent with CO.

不饱和过渡金属硫代羰基化合物不仅在催化及生物上具有作用，而且这些化合物是许多稳定金属有机化合物结构单元。

The studies on the perferable conditions for synthesizing diglycol dioleate, by the esterification of diglycol monoleate with oleic acid via acid catalysis, were reported.

研究了以二甘醇单油酸酯和油酸作原料进行酸催化酯化反应合成二甘醇双油酸酯适宜反应条件。

Synthesis of isoamyl formate, isoamyl acetate, isoamyl propionate, isoamyl butyrate, isoamyl isobutyrate and isoamyl isovalerate by catalysis of hydrated ferric chloride are reported.

研究了氯化铁催化合成甲酸异戊酯、乙酸异戊酯、丙酸异戊酯、丁酸异戊酯、异丁酸异戊酯和异戊酸异戊酯。

Abstract：Ironic phosphate has shown a rich chemical constitution and can be used in various fields such as oxydehydrogenation catalysis and lithium batteries.

磷酸铁盐在氧化脱氢催化和锂电池电极材料等领域有着应用。

The diisoamyl glutarate in catalysis of silicotungsticacid was preparated by esterification of isoamyl alcohol and glutaric anhydride seperated from dicarboxylic acid.

用硅钨杂多酸为催化剂,以从二羧酸中分离出戊二酸酐和异戊醇为原料合成了戊二酸二异戊酯。

Trimethylaluminum(TMA),usually used in organic catalysis and organic synthesis,was synthesized by reaction of triethylaluminium (TEA) with methyl bromide on iron-stibonium complex catalyst.

用新催化体系(铁-锑复合催化剂)催化三乙基铝(TEA)与溴甲烷进行烷基交换反应合成三甲基铝(TMA)。

The species distribution in hydrolytic polymeric aluminum solutions is a research focus in the fields of analysis,catalysis,agrology,geochemistry,new materials,environmental science,biotoxicology,etc.

水解聚合铝形态一直是分析、催化、土壤、地球化学、新材料、环境科学和生物毒理学等众多领域研究前沿和热点。