N-Hexane is highly volatile, highly lipid soluble and consumingly accumulative.

正具有高挥发性、高脂溶性，并有强蓄积作用。

This paper studied electrochemical behaviour of Hexestrol at a glassy carbon electrode.

本文采用了现代化学分析方法系统研究了雌酚在玻碳极上的化学行为。

The preparation of anisaldehyde by ozonolysis reaction from anethole was studied.

以茴香脑为原料,乙酸和的混合物做溶剂,臭氧化法制备茴香。

Using electrode interface capacitance and surface coverage to investigate the formation kinetics of NS monolayer in hexahydrobenzene solvent.

通过自组装修饰金极的界面微分容和膜的覆盖率考察了NS在中自组装膜的成膜动力学。

METHODS The hydroxyl groups of magnolol were protected using ketol reaction and the products were purified by recrystallization from hexane.

方法将厚朴酚两羟基用缩酮保护,再用正重结晶分离纯化。

In the oxidation reaction of cyclohexene, total selection of cyclohexene oxide, cyclohexanol, cyclohexenol and 2-cyclohexene-l-one reaches 98.5%, conversion reaches 33.2%.

在烯的氧化反应中,对氧、醇、烯醇和烯酮的选择性共达到98.5%,转化率达到33.2%。

In this paper,the contents of herbicide bifenox weredeterminated by the differential UV spectrophotometry at 280nm,and the reference solution was that the 40.

本文采用差示紫外分光光度法，以40．0微克／毫升的甲羧除草醚液为参比溶液，在波长280纳米处测定其含量。

The separation of three-component system of cyclohexane,cyclo-hexene and benzene by extract rectification with a mixed solvent,comprising hexyl dicyanide and dimethyl acetylamine has been studied.

选用二腈-二甲基乙酰胺组成的混合溶剂，对、烯和苯组成的三元体系进行了萃取精馏。

The perservative in liquid beverage was extrcated with n-hexane.The hexane layer was subjected to cyclodextrine polymer resin colume.The colume was eluted with aqueous solution of ethanol.

用正萃取液体饮料中的防腐剂，使萃取液经糊精交联树脂分离后，用乙醇溶液洗脱。