生物表面活性剂是由微生物产生的一类具有表面活性的生物化合物。
Biosurfactant is a kind of microbial compounds produced by microorganism that exhibited pronounced surface activity.
结论甘草中除皂苷组分具有表面活性外，其他组分对表面活性有贡献。
Conclusion There are other components to contribute to the surface activity of Glycyrrhiza Radix solutions except saponins in Glycyrrhiza Radix.
HPMC水溶液具有表面活性功能，可作为胶体保护剂，乳化剂和分散剂。
HPMC solution has the function of surface activity, which can be used as colloid protecting agent, emulsifying agent and dispersant.
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