Naphtha is one of the chief raw materials for ethylene cracker.
石脑油是乙烯裂解装置的主要原料之一。
Meanwhile, the lack of naphtha raw materials and the obsoleteness of production facilities and equipment will also affect China's aromatics production capacity.
同时，石脑油原料不足以及装置工艺设备老化等因素也将影响国内芳烃产能的正常发挥。
The mixed solvent consists of solvent naphtha, decalin, and petroleum ether in a certain proportion, which was used to synthesize 3-sulfo p-anisidine by using p-anisidine as raw material.
用溶剂汽油、萘烷、石油醚按一定比例复配成混合型溶剂，以对茴香胺为原料，用该溶剂合成了3磺酸基对茴香胺，产品中不含致癌物。
The mixed solvent consists of solvent naphtha, decalin, and petroleum ether in a certain proportion, which was used to synthesize 3-sulfo p-anisidine by using p-anisidine as raw material.
用溶剂汽油、萘烷、石油醚按一定比例复配成混合型溶剂，以对茴香胺为原料，用该溶剂合成了3磺酸基对茴香胺，产品中不含致癌物。
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