The thesis review the development of castor oil especially its application on surface active agent and daily chemical industry etc.

本文介绍了蓖麻油近年来的开发，特别介绍了在表面活性剂和日用化学品等中的应用。

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The thesis review the production of fatty acid and synthesis, especially its application in surface active agent and daily chemical inclustry etc.

本文介绍了脂肪酸近年来在我国的生产及合成工艺，特别介绍了脂肪酸在表面活性剂和日用化学品中的应用。

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The complex surface active agents with success applied in chemical cleaning of dowthem scales in heating casing of ball valve in PTA plant was presented.

采用复合表面活性剂对PTA装置球阀加热夹套热媒垢成功地进行了化学清洗。

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And it's believed that the high chemical reactivity of the surface is due to the deposition of chemically active gases from the atmosphere onto the surface, gases like hydrogen peroxide and ozone.

NPR: Revisiting the Viking Missions to Mars