Bear chemistry: bear detergent and weak melting agent, such as petroleum melting agent oil.
耐化学性：耐清洁剂及弱溶剂，如石油溶剂油。
The state university also has faculties of chemistry, biochemistry, pharmacy, chemical engineering, petroleum and chemical technology.
州立大学也有化学系、生物化学系、制药系、化工系、石油系和化工技术系。
This review deals with various polymeric superacid catalysts. Their classifications, preparations, structures and applications in petroleum chemistry and organic synthesis are discussed.
本文综述了各种有机聚合物超强酸体系的分类、合成、结构、以及它们在石油化工和有机合成中的催化作用。
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