Lecithin, as a kind of important physiological activator and natural surface active agent, offers many advantages to health, and is widely used in the fields of food, pharmacy and cosmetic.
卵磷脂是重要的生理活性物质，也是一类天然的表面活性剂，广泛应用于食品、医药、化妆品等行业。
The surface of material is very important for us to use it, while the (001) surface of lead salts is a natural surface.
由于表面对材料的特性具有重要的影响，而（001）表面是铅盐的天然解理面，所以对铅盐（001）表面的研究具有至关重要的意义。
The natural surface active substance obtained from the sapindus mukorssi contains terpenoid, steroid saponin, amine acid, protein, vitamin, oleic acid, oil and so on.
从无患子中提取出天然表面活性物质。该表面活性物质中含有萜类甾体皂甙及氨基酸、蛋白质、维生素、油酸、油脂等。
The distribution and functions of the natural surface active agents and the artificial detergents were mentioned and the applications of the surfactants in the marine system were included.
包括天然表面活性物质及人工合成表面活性剂的分布和作用，及表面活性剂在海洋体系中的应用等方面。
The distribution and functions of the natural surface active agents and the artificial detergents were mentioned and the applications of the surfactants in the marine system were included.
包括天然表面活性物质及人工合成表面活性剂的分布和作用，及表面活性剂在海洋体系中的应用等方面。
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