ester group是什么意思

网络释义

用法例句

A dimercaptothiadiazole dimer containing ester groups was synthesized,and its tribological performance as the antiwear additive of 12-hydroxystearate lithium grease was evaluated on a four-ball tester and the friction surface of the steel ball after test was also investigated by X-ray photoelectron spectroscopy(XPS),scanning electron microscope(SEM) and energy dispersive spectroscope(EDS).

合成了含酯基的二巯基噻二唑二聚物,采用四球试验机考察了其在12-羟基硬脂酸锂基脂中作为极压抗磨剂的摩擦学性能,并采用XPS、SEM和EDS分析了摩擦表面的特性。

A method for estimating the two wave numbers of an ester group is discussed based on a multiple-repression analysis This estimation was achieved by assuming that there is additivity in the effect of adjacent groups Both the low and high wave numbers were predicted for a standard deviation of 6 31cm -1 and 4 25cm -

介绍了一种多变量解析法预测酯基υC -O -C的两种振动波数的方法 ,即通过计算邻接基效应的加和性进行预测 ,结果表明 :对液态化合物中酯基的振动波数可精确地预测。

Synthesis and Mesophase of Liquid Crystals of Multi-ring Monoesteryl Aryl Aldehyde;

多环单酯基芳香醛类液晶的合成与液晶相

The Synthesis and Mesophase Research of Liquid Crystals of Monoesteryl Aryl Aldehyde and Aryl Nitrile;

单酯基芳香醛及芳香腈类液晶的合成与液晶相研究

Treatment of p tert butylcalixarene or p tert butylcalixarene with compound 1 under K 2CO 3/benzene and K 2CO 3/toluene system for 48 h gave the calixcrown and calixcrown containing ester and amido groups in 37% and 25% yields, respectively.

乙醇胺与氯乙酰氯反应得到N ( 2 氯乙酸酯基乙基 ) 氯乙酰胺 ( 1) 。

Synthesis of 9-fluorenylmethoxycarbonyl amino acid tert-butyl ester;

9-芴甲氧羰基氨基酸叔丁基酯的合成

carbomoyl sulfonate group

氨基甲酰磺酸酯基团

methyl-malonic ester

甲基丙二酸酯[二乙酯]

sodium cyanoacetic ester

钠代氰基乙酸酯[乙酯]

ethyl acetoacetic ester

乙基乙酰乙酸酯[乙酯]

1propene - 2 - ylacetate 1 -

丙基-2-基醋酸酯

methyln-propyl carbinol carbinol urethane

氨基甲酸-2-戊酯

phenylmethylcarbinyl acetate

乙酸苯仲乙(基)酯

alkylaryl ethoxy sulfate

烷基芳基乙氧基硫酸酯

methylcellosolve acetate

甲基溶纤剂乙酸酯，甲氧基乙醇乙酸酯

Synthesis of Diphenyl Carbonate from the Transesterification Catalyzed by Dibutyltin Sulfonates

二丁基锡磺酸酯催化酯交换合成碳酸二苯酯

diisobutylmethylphosphoric acid ester

磷酸二异丁基甲基酯

nitrophenyl diethyl phosphate

磷酸硝基苯基二乙酯

2-ethylhexyl acetate

乙酸2-乙基己基酯

dimethyl phenyl carbinyl acetate

乙酸二甲基苯基原酯

ethyl isoamyl carbinyl acetate

乙酸乙基异戊基原酯

methyl diphenylene diisocyanate

二苯基甲基二异氰酸酯

2-ethylhexyl sulfosuccinate

磺基琥珀酸2-乙基己酯

dioctyl sulfosuccinate

二辛基磺基琥珀酸酯