• 菸酸二乙胺、三氯氧磷作用,氢氧化钠中和,加入纯碱使反应液中的产品层,取代有机溶剂萃取工艺,简化了操作,降低了消。

    Instead of extracted by organic solvents, sodium carbonate was used to separate the product and water, thus the following press was simpler and the cost was lower.

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  • 聚合物颜料前面已经讨论过,混合溶剂水溶性乙二醇类, 它有助树脂在水中的水分散和提高涂膜均一性

    The polymers and pigments have been discussed previously. Coalescing solvents are water-miscible glycol ethers which aid in the water-dispersibility of the resin and enhance coating uniformity.

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  • 样品处理采用了先去除样品中水分,再有机溶剂提取残留农药的方法。

    The samples were treated by wiping off water. The pesticides residues were extracted with aceton.

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  • 乳化溶剂蒸发法制备了羟丙纤维素酞酸酯水分散体。

    Hydroxypropyl methyl cellulose phthalate aqueous dispersion was prepared by emulsion-solvent evaporation.

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  • 论文液化反应过程初始水分作用机理、水热处理作用机理有机溶剂溶胀处理作用机理进行了分析探讨

    The mechanism of initial water content, hydrothermal pretreatment and organic solvent swelling pretreatment in the liquefaction processes was also analyzed and discussed.

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  • 特殊设计溶剂结构防止水分进入干洗系统

    Special designed solvent box structure prevents water entering dry-cleaning system.

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  • 认为混合溶剂水区大块冰山结构的子簇寿命大大延长

    It is considered that the life of the bulky iceberg - like water clusters is lengthened greatly in the region rich in water.

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  • 发明提供了通过溶剂组合物水中分散获得不溶性生物杀伤剂水溶性载体水分散体

    The invention also provides an aqueous dispersion of a wat er insoluble biocide and a water-soluble carrier obtained by the dispersion of the composition of the solvent free composition in water.

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  • 发明提供了通过溶剂组合物水中分散获得不溶性生物杀伤剂水溶性载体水分散体

    The invention also provides an aqueous dispersion of a wat er insoluble biocide and a water-soluble carrier obtained by the dispersion of the composition of the solvent free composition in water.

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