benzene is an industrial chemical used to produce a wide range of plastics , detergents and other chemicals.

苯是一种工业化学品，广泛应用于塑料、清洁剂以及其他化学领域。

Benzene and benzene series also had been decided to be carcinogen by World Health Organization.

苯和苯系列也已经被世界卫生组织确定为致癌物质。

Using conventional distillation, the separated yields of benzene, ethylbenzene and cumene were all over 95%.

后续常规精馏塔分离的馏出物中，异丙苯、乙苯和苯浓度均可达到95%以上。

The company said in a hearing that it would have cost $7 million to comply with the benzene emission regulation.

科赫公司在一次听证会上说公司需要花费700万美元以达到苯排放规定。

Again for raw materials and with its front has made - acetyl groups benzene and sulfonated reaction, the synthesis target objects.

再以其为原料和前面已经制得的-乙酰基苯并咪唑反应，合成出目标物。

But automobiles and gas stations aren\"t the only sources of benzene, hexane, and other air contaminants, warned one of the researchers.

不过研究人员警告说汽车和加油站不是苯和己烷这样的大气污染物的唯一来源。

Benzene used to be a common solvent in organic chemistry but is no longer used because it is a suspect carcinogen.

在有机化学中，苯曾经是常用的溶剂，但是由于它被怀疑是致癌物而不再使用。

During the next three years, investigators compiled evidence that included hundreds of internal memos about benzene emissions.

接下来的3年里，调查员们收集了包括数百份关于苯排放备忘录在内的证据。

The German chemist Kekule dreamed of snakes biting their tails, therefore discovered the ring shape of the chemical compound benzene.

德国化学家凯库勒梦到蛇咬著自己的尾巴，因此发现了化学元素苯的环状结构。

From the point of view of technology, the pilot plant of selective hydrogenation of benzene to cyclohexene has been analyzed and designed.

从工艺角度对苯部分加氢制环己烯进行分析探讨，在此基础上设计中试装置。