... 受阻胺类光稳定剂 hindered amine light stabilizer 水垢溶剂 scale solvent 水溶性缓蚀剂 water-soluble rust inhibitor ...
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solvent polarity scale 了溶剂的极性
The aromatic extraction laboratory scale test taking the pure furfural as solvent was mainly introduced.
主要介绍以纯糠醛为溶剂的芳烃抽提小试实验。
Methods 45 samples from large scale shoes plants in Fujian containing shoes mucilage and solvent were tested for acute toxicity and chemical component during 19971998.
方法1997~1998年间,对福建省境内规模较大的制鞋企业常用的鞋用胶水和溶剂共45份样品进行毒性检测鉴定。
Powered soybean lecithin of great purity is extracted by lecithin solvent fromconcentrated soybean lecithin produced from hydrated oil foot on a laboratory scale .
以豆油水化油脚生产的浓缩大豆磷脂为原料,在实验室小试基础上,用丙酮萃取法制取高纯度的粉末大豆磷脂。
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