The protective plastic jacket consists mainly of polyurethane.

The function of sole of polyurethane of article brief introduction, production reaches development general situation.

本文简介聚氨酯鞋底的性能 、 生产及发展概况.

Finally the problems of Polyurethane fiber industry and two suggestions were pointed out.

对氨纶的性能、种类及应用作了简介,指出了氨纶行业存在的问题,并提出了两点发展建议.

The general situation that introduces development of our country polyurethane and polyurethane in every respect application.

介绍我国聚氨酯发展的概况及聚氨酯在各方面的应用.

And till now, there is not any waterborne polyurethane with perfect performances.

截止目前为止, 仍然没有综合性能十分完善的聚氨酯水性涂料.

...polyurethane varnish.

聚氨酯清漆

EHC Global polyurethane rollers offer greater resiliency and wear resistance than plastic or rubber rollers.

依合斯提供的聚氨酯滚轮比起塑料和橡胶滚轮更具弹性和耐磨性.

The acid number of polyester imides polyol is a critical value for qualified polyurethane.

聚酯亚胺多元醇酸值是聚氨酯的一个重要指标.

Harry liked to talk much and his father did not allow him to speak at mealtimes.

哈利经常喋喋不休,可是他爸爸不允许他在吃饭时讲话.

Improve polydipsia , polyphagia , polyuria, caused by diabetes.

可改善因糖尿病等引起的多饮、多食 、 多尿等症.

The only time I see the boys is at mealtimes.

我只能在吃饭的时候看到这些男孩子.

At Mike and Debbie Wyche's place, preparations for mealtimes involve more than setting the table.

在麦克和黛比威奇的住处, 开饭之前的准备工作可不只是摆餐具.

At mealtimes he would watch her eat.

用餐时，他会看着她吃饭。

It was theoretically predicted that polyvalent anions of C 36 CH 2 had high stability and aromaticity.

从理论上预计C36CH2的高价阴离子具有很高的芳香性和稳定性.

Influenza may be prevented by active immunization with a polyvalent killed or subunit vaccine.

可以通过主动免疫接种多价灭活疫苗或亚单位疫苗预防流感.

Polyvinyl acetate emulsion was synthesized by semi-continuous emulsion polymerization method.

采用半连续乳液聚合的方法合成聚醋酸乙烯乳液.

Polyvinyl alcohol is an addition polymer formed from hydroxyethene or vinyl alcohol.

聚乙烯醇是由乙烯醇加成聚合后形成的.

Polyvinyl Chloride . Synthetic resin used in both liquid and thermoplastic powder systems.

聚氯乙烯,用于液体或粉末涂料的一种合成树脂.

The paper studied the preparation of modified urea-formaldehyde resin adhesive with polyvinyl alcohol ( PVA ) and melamine.

研究了聚乙烯 醇和 三聚氰胺改性脲醛树脂胶粘剂的制备工艺和配方.

Polyvinyl chloride ( PVC ) is a heat-sensitive polymer resin, with degradation during molding.

聚氯乙烯 树脂是一种热敏性树脂, 在加工过程中容易受热分解.

Polyvinyl chloride-polyethylene polyamine resin is a new polymer phase transfer catalyst.

它是一种新型的高分子相转移催化剂.