Chitosan used as film forming agent, medical material, chemical material, food additive, plant growthsubstance, fruit keeping fresh agent, protect skin and hair additive,paper treatment agent, sewage treatment agent and so on is introduced. preparation, application and develpment of chitin and chitosan are discussed.
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This paper discusses the profound meaning and applied foreground of using cationic polyacrylamide as flocculating agent of water treatment.
本文探讨开发用作水处理絮凝剂的阳离子聚丙烯酰胺系列产品和应用前景。
This paper introduces application and construction of sealing technology by bituminous rehabilitating agent in damages treatment on Linhou highway pavement.
文章介绍了沥青复原剂封层技术在临侯高速公路路面病害处治中的施工及应用情况。
The characteristics of polymeric surfactants, the varieties of polymeric surfactants used as water treatment agent, their application and prospect were introduced in this paper.
概述了高分子表面活性剂的特性，用作水处理剂的表面活性剂的重要品种，应用及展望。
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