苯乙烯完全覆盖在模体上，它是浅棕色，有着粗纹理。

The styrene completely covered the body mold which was a light brown and very rough textured.

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对粗汽油需求量的不断增加，除更为广泛的石油化工和塑料工业快速增长之外，还起因于乙烯裂解能力的迅速增大。

Rising demand for naphtha results from the rapid growth of ethylene cracking capacity, along with that of the broader petrochemical and plastic industries.

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粗产物经简单蒸馏，苯乙烯的总回收率为82.3％，苯乙烯纯度可达99.9％。

Output of styrene monomer was 82.3 % . Purity was 99.9 % , obtained by simple distillation.

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