The manufacturing process and application of highly efficient anthelmintic DETA are introduced in this paper. Its social and economical effect and development prospect are also pointed out.
本文介绍了高效驱避剂DETA的生产工艺和在日用化工产品中的应用及生产现状，并对该项目的社会和经济效益及发展前景进行了简单分析。
Since 1995, Internet addiction has been accepted as a clinical entity with profound negative effect on social, familial, educational and economical personal functioning.
自1995年开始，网瘾已经承认是为对社会的，家庭的，教育的和经济的个体机能具有深远负面影响的一个临床实体。
Based on site tests, this paper discusses the effect of pressure grouting under piles tip in cobble layer and analyzed its economical and social benefit.
本文根据某工程中钻孔灌注桩的现场试验，对桩端压力灌浆技术在卵石层中灌注桩的应用效果及其经济效益进行了分析。
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