butylenes

butylenes

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• 网络丁浠

例句

Poly(butylenes terephthalate) (PBT) is one of the five important engineering plastics, which had been used widely in many fields.

聚对苯二甲酸丁二醇酯（PBT）作为五大通用工程塑料之一，其应用领域非常广泛。

Domestic developed technologies for utilization of hydrogen, ethylene, propylene and butylenes in refinery gas are reviewed.

简述了我国炼厂气中氢气、乙烯、丙烯和丁烯等资源的综合利用技术。

The reaction features of the catalytic conversion of butylenes to propylene and ethylene were investigated.

探索了丁烯催化转化为丙烯、乙烯的反应特点。