【benzene】 - A-level备考词汇

benzene

UK:  ['benziːn]

US:  [ben'zin]

n.

1.苯

1 . 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。

2 . 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。

3 . 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。

4 . 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。

5 . 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。