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。
It is widely used in oilfield, refinery, oil-depot, ships, large-scale chemical industry, chemical-fiber factory, petroleum-chemical plants, chemical products warehouse, solvent factory etc.
广泛适用于油田、炼油厂、油库、船舶、大型化工厂、化纤厂、石化企业、化工产品仓库、溶剂厂等重点防灾场所。
Maybe when the reaction scale comes to an extent, the harsh potassium carbonate will not be suspended well in the solvent system (Acetontirle) where almost no potassium carbonate was dissolved.
可能是粗糙的颗粒碳酸钾不能很好的悬浊在乙腈里，碳酸钾在乙腈中叶几乎是不容的。
Maybe when the reaction scale comes to an extent, the harsh potassium carbonate will not be suspended well in the solvent system (Acetontirle) where almost no potassium carbonate was dissolved.
可能是粗糙的颗粒碳酸钾不能很好的悬浊在乙腈里，碳酸钾在乙腈中叶几乎是不容的。
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