公司目前已是中国国内最大的石油树脂、石油萘生产厂家之一。
Qilong now is one of the largest manufacturers of petroleum (hydrocarbon) resin and petroleum naphthalene in China.
本文通过分部结晶法制取石油萘的实验，摸索制取石油萘的方法与工艺参数。
This article tries to feel about the method and graft parameter of preparing petroleum naphthalene by the experiment of the branch crystal system to make tar naphthalene.
指出从重油接触裂解柴油馏分中制备2,6 -二甲基萘是石油萘生产的最理想的技术方向。
The paper also points out, the ideal technology of petroleum naphthalene production is preparing 2, 6 DMN from diesel fra...
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