A series of polyether resins with pendent biphenyl mesogenic groups were synthesized, and the synthetic technics were discussed.
通过接枝反应合成了一系列侧链含联苯类介晶基元的聚醚型树脂，并对合成工艺进行了探讨。
According to production technics and control requirements of sewage treatment plant, combining with advanced control technique of sewage treatment, a low-cost synthetic automation system is designed.
文章根据污水处理厂的生产工艺和控制要求，结合国内外污水处理的先进控制技术，进行了污水处理低成本综合自动化系统的总体设计。
It is made of unique synthetic flame retardant fiber and by advanced manufacture technics with permanent flame retardant function.
采用独创复合型阻燃纤维，使用先进生产工艺配合，具有永久性阻燃作用。
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