Raffinate loses the emulsifying ability and low interfacial tension property, so the acidic components in heavy oil are the major active component for emulsification of basic water.
抽余油失去了原油所具有的与碱水间良好乳化性质和低界面张力性质，说明超稠油中少量的酸性组分是其碱水乳化的主要活性组分。
Astilbe mainly contains coumarin, flavonoids, sterols and acidic component, with the effects of eliminating stasis to stop pain, dispelling wind to eliminate dampness, relieving cough by cooling etc.
落新妇属植物主要含香豆素、黄酮类、甾醇类、酸性成分等，药理作用表明有散瘀止痛、祛风除湿、清热止咳等作用。
The component data of pearl nickel, bright nickel, acidic copper and brass plating solution in production were analyzed when the best result of the plating deposit obtained.
为了获得电镀的最佳结果，在生产中对珍珠镍、光亮镍、酸性铜和黄铜四种镀液的成分参数进行了统计分析。
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