Collagen is one of the important and polyfunctional protein from pig skin.
胶原蛋白是猪皮中含量较高，活性较为重要的一种蛋白质。
The temperature field and velocity field in a polyfunctional hall with floor air supply was measured.
实测了采用下送风空调方式的某多功能厅的温度场和速度场。
Objective: To extract keratin of donkey skin for the preparation of colla corii Asini by polyfunctional extraction apparatus.
目的：采用多功能提取罐对阿胶制作时驴皮胶朊蛋白质进行提取。
But for the polyfunctional tructures, they could increase the interaction or tanning agent and collagen, and improve the quality of…
将这两种助剂搭配使用，可以生产出高质量的鞋面革和服装革。
The synthesis, properties, modification and application of polybenzoxazines were reviewed. Besides, the other difunctional benzoxazines and polyfunctional naphthoxazines were also discussed.
综合介绍了苯并嗪树脂的合成、性能、改性和应用，并对其他双酚类苯并嗪和萘并嗪进行了概述。
The effects of terminator in PVC production are introduced, its present situation is also analysed. It is pointed out that polyfunctional terminator SPJ-HZ is a good terminator in PVC production.
介绍了终止剂在聚氯乙烯生产中的作用，分析了其现状，指出SPJ - HZ多功能终止剂是一种性能优良的PVC生产用终止剂。
According to the molecule design, a kind of modified resin which have both epoxy groups and hydrophilic groups was synthesized from polyfunctional group novolac epoxy resin (F-51) and diethanolamine.
采用化学改性法，选择多官能团酚醛环氧树脂(F—51)与二乙醇胺进行定量加成反应，合成了一种在分子结构上既具有环氧基团，又具有亲水性基团的改性树脂。
According to the molecule design, a kind of modified resin which have both epoxy groups and hydrophilic groups was synthesized from polyfunctional group novolac epoxy resin (F-51) and diethanolamine.
采用化学改性法，选择多官能团酚醛环氧树脂(F—51)与二乙醇胺进行定量加成反应，合成了一种在分子结构上既具有环氧基团，又具有亲水性基团的改性树脂。
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