hexane的例句大全

In order to investigate the most suitable medium for the transesterification, tertiary butanol, toluene, hexane, isooctane were tested for lipase-catalyzed transesterification of ethyl ferulate with oleyl alcohol. Hexane has been found to be the optimal organic solvent.

以叔丁醇，甲苯，正己烷和异辛烷四种有机溶剂作为反应介质，考察不同有机溶剂对脂肪酶催化阿魏酸油醇酯转酯反应活性的影响。

AIM To investigate the analgesic effect of 1,6 Di ( 4 phenethyl 1 methyl 1 piperazinyl) hexane dibromide ( 97 9 G4) and its mechanisms.

目的研究哌嗪类新化合物1,6二（4苯乙基1甲基1哌嗪基）己烷二溴化物（979G4）的镇痛作用及机制。

Complex Reaction Kinetics Network of Hexane Hydroisomerization

己烷临氢异构化的复杂反应动力学网络

A theoretical study on the mechanism of hydrogenolysis of spiro [ 2,3] hexane

螺环[2,3]己烷氢解反应机理的理论研究

The results showed that the catalyst combined with diethyl phosphite ( DEP) exhibited the highest activity in isoprene polymerization in hexane at relatively high temperature ( 50 ℃).

结果表明，以亚磷酸二乙酯（DEP）为第三组分的催化体系，在己烷中于相对较高温度（50℃）下的催化活性最高。

It was found that a water suspension or a hexane extract of the frass FA or FC, in contrast to the corresponding foods, significantly deterred oviposition of conspecifics.

结果表明两种粪便的水悬浮液和正己烷提取液对怀卵雌虫的产卵有显著的忌避作用，而人工饲料和棉叶的水悬浮液和正己烷提取液却引诱怀卵雌虫产卵。

When hexane extracts of the frass FA and FC were further partitioned into polar and neutral lipid fractions, two polar fractions and the neutral fraction from frass FC significantly reduced oviposition.

将两种粪便的正己烷提取液进一步分离为极性和中性脂类，两种粪便极性脂类和取食棉叶的幼虫粪便的中性脂类均显著的忌避怀卵雌蛾。

Objective To establish the gas chromatographic analysis for determination of hexane in air.

目的建立空气中正己烷的气相色谱分析方法。方法以活性炭采集空气中正己烷，苯解吸，聚乙二醇6000柱分离，氢火焰离子检测器检测。

Preparation of light alkenes by gas phase oxidative cracking of hexane

正己烷气相氧化裂解制取低碳烯烃

Emphases were put on the co-production of light alkenes and CO by the gas phase oxidative cracking ( GOC) of above hydrocarbons and the oxidative cracking of hexane with the addition of hydrogen over platinum based catalysts.

侧重对不同烷烃经气相氧化裂解（GOC）制低碳烯烃并联产一氧化碳过程及铂基催化剂催化的正己烷临氢氧化裂解催化过程进行了研究。

the esterification reaction of hexane diacid with 2 ethyl hexanol was studied by using modified β zeolite as catalysts. the effects of cation exchange degree, calcining temperature and the surface acidity on the catalytic activity were discussed.

用改性β沸石作催化剂，研究了己二酸与2－乙基己醇的酯化反应，讨论了阳离子交换度、焙烧温度及表面酸性对催化活性的影响。

esterification reaction of hexane diacid with 2 ethyl hexanol over modified β zeolite catalysts

改性β沸石催化剂上己二酸与2-乙基己醇的酯化反应

di-isooctyl adipate was synthesized with hexane diacid and2-ethyl hexanol as raw materials and p-toluene sulphonic acid as the catalyst.

以己二酸和异辛醇为原料，采用对甲苯磺酸作催化剂合成己二酸二异辛酯。

component analysis and anti-aging activity of hexane extracts from black-bone silky fowl

乌骨鸡正己烷提取物组成及其抗皮肤衰老活性研究

0.7% Rh2/ Al2O3 was prepared by the impregnation of γ-Al2O3 with a hexane solution of Rh2 ( CO) 4Cl2. The dynamic behavior of CO adsorption and coadsorption of CO and H2 have been investigated by using TPD-IR dynamic method.

利用TP-IR动态方法研究了0.7%Rh2/Al2O3上CO吸附，CO和H2共吸附的动态行为。

Chemical Components Analysis of Hexane Extractives for Conyza canadensis Fresh Leaves

小蓬草鲜叶正己烷提取物化学组分分析

Kinetics of hydroisomerization of hexane over M-1 catalyst

己烷在M-1型催化剂上临氢异构化反应的动力学

space group with one half of a hexane solvate molecule

空间群的一个半己烷溶剂化分子

in this paper the citronella ( oil) content of certain candle formulations was determined by using capillary gas chromatography, with ethyl caproate ( ec) as internal standard and hexane as the solvent.

以已酸乙酯作内标，正已烷为溶剂，用毛细管气相色谱法测定了蜡制品中香茅油的含量。

dissociation of self- association of ethanol in n- hexane and excess enthalpies of the mixture

乙醇在正己烷中的解缔与超额焓