benzene

Benzene hexachloride is commonly called BHC .

六氯化通常称为bhc。

30. Benzene hexachloride is commonly called BHC.

六氯化通常称为BHC。

Separate the benzene layer with a separatory funnel.

用分液漏斗分出层。

Total volatile organic compound , such as maldehyde, toluol, benzene etc..

空气污染物、二甲、乙烯等多种挥发性有机化合物的总量。

In benzene, re-crystallization products to buff aciculae, commodity to pale yellow.

在重结晶的产品为浅黄色针状晶体，商品为浅黄色或土黄色。

Formaldehyde, benzene, ammonia and radioactive pollution' superscale have seriously affected people's health.

甲醛、、氨气放射性污染超标已经严重响了人们的健康。

In this reaction,besides substitution products thiophenol etc,the reduction product benzene is formed.

反应，除生成笨硫酚等取代产物外，还生成还原产物。

The free radical polymerization of VOZO in benzene solution results poly 2 vinyl 2 oxazoline(PVOZO).

对合成过程的溶剂及分离等问题进行了讨论。

Molecular weight determinations on the purified material were conducted in benzene solutions by cryoscopic method.

用冰点法，在溶液对纯的物质进行了分子量测定。

OBJECTIVE To establish a method for detecting benzene series from macro-reticular resin in Peristrophe roxburghiana extraction.

目的检测红丝线提取物大孔树脂残留物的量。

Dichlorofluorobenzene is prepared by diazotizating of 2,4-dichloro aniline and substituting of 2,4-dichloro diazo benzene with fluorinion.

在此概述了由2,4-二氯胺经过重氮化、置换制得2,4-二氯氟的生产新工艺,产品纯度达到99。

The common absorption function of benzene and phynol in water on the series of organic soil is studied.

研究了水酚在系列有机膨润土上的共同吸附作用。

A strain may be defined as an organic compound containing a benzene ring plus a chromophore and auxochrome group.

染料定为含有环与呈色官能基与辅助成色官能基的化合物。

The transalkylation of polyethylbenzene, mainly diethylbenzene and triethylbenzene, with benzene catalyzed by tungstophosphoric acid has been studied in stirred autoclave.

采用搅拌高压釜,以磷钨酸为催化剂,研究了与多乙的烷基转移反应,多乙主要是二乙三乙。

The product meet a criterion of environment, no formalin, methanol, lead, arsenic, mercury, benzene, toluol, xylene afterthroughtest ofnational authoritative organization.

本品为车内降温用品，适用于汽车开空调前炙热的汽车座垫、靠背、方向盘等的降温。

The homologs of benzene are those containing a alkyl goup or alkyl groups in place of one or more hydrogen atoms.

的同系物是那些环上含有单烷基（取代一个氢）或多烷基（取代多个氢）的物质

The benzene ring and alkene structural group are much more stable than structural group of sulfoacid for the carbonifying process of polystyrene.

在碳化过程，聚乙烯阳离子交换树脂的环结构烯烃基团比磺酸基团稳定。

A survey of the health condition of 308 cases of workers exposed to benzene, toluene, xylol and mixed derivatives of benzene is presented.

本文报告了308例、甲、二甲及混合作业工人的健康状况调查结果。

The enantioselectivity of N-dodecanoyl-L-proline-3,5-dimethyl-anilide is also good, but the basic line fluctuates strongly due to containing benzene ring in its molecular structure.

虽然用N-十二酰基-L-脯氨酸-3,5-二甲基胺作添加剂，手性选择性也较好，但由于含有环，紫外吸收增强，基线波动严重。

A large number of structures of benzene methyl and methylene groups but rare aralkyl ether linkage existed in the waste liquor.

两种废液木素都含有大量的环及甲基、亚甲基结构，几乎不存在烷基芳基醚键结构；