查询词典 vinyl

This article studied dispersion polymerization of the vinyl acetate in alcohol/water medium, choose potassium persulphate-sodium bisulfite as oxidized-reduction initiator.

研究了醋酸乙烯酯在醇／水介质中以过硫酸钾－亚硫酸氢钠为氧化－还原引发剂的分散聚合。

Plastic is used by the companies jointly developed by the Nanjing University with a new Plastic Composite Pipe plastics, poly vinyl alcohol, which added some 20 new materials greatly reduces the linear expansion coefficient of plastic. so in the steel and plastic composite materials to ensure the reliability.

公司使用的塑料是公司与南京大学联合研制的一种新型钢塑复合管专用塑料，以聚乙烯为母体，在里面添加了二十几种新材料，大大降低了塑料的线胀系数，从而在材料上保证了钢与塑复合的可靠性。

The bottle is made from layered polypropylene/ethyl vinyl alcohol/polypropylene, with the inner surface coated with a proprietary nonstick material.

瓶子是由多层聚丙烯/乙基乙烯醇/聚丙烯，与内表面涂有不粘材料的专利。

In Shanxi countries a large high-tech enterprises, listed companies (Shenzhen 000,755), for three consecutive years to enter the top 500 chemical enterprises, the company mainly to organic chemical industry, with an annual output of main products are 100,000 tons - Vinyl alcohol, 35,000 tons white latex, 100,000 tons of 1,4 - such as butanediol three series of more than 100 kinds of products.

山西三维集团股份有限公司系国家大型一类高科技企业，上市公司（深市000755），连续三年进入全国化工企业500强，公司以有机化工为主业，主要产品有年产10万吨聚乙烯醇、3.5万吨白乳胶、10万吨1，4-丁二醇等三大系列一百余种产品。

The film, converted by Packall Packaging, consists of an outer layer of polyethylene terephthalate, a middle one of nylon and an inner sealant layer of linear low-density polyethylene blended with ethylene vinyl alcohol.

影片中，转换Packall包装，由外层的聚对苯二甲酸乙二醇酯，一个中等的一个尼龙和内密封层的线性低密度聚乙烯混合乙烯醇。

Copper ions greatly enhanced the sensitivity of the determination of molybdenum, which based on the color charge transfer complex of molybdotungstophosphate-3,3",5,5"-tetramethylbenzidine, in the presence of poly vinyl alcohol.

提出了一种基于铜离子增敏形成磷钼钨杂多酸-3，3'，5，5'-四甲基联苯胺电荷转移复合物测定痕量钼的方法。

The subsequent reaction of the 2-hydroxyethyl species around 160 K concerns two competing reactions: a reductive elimination with surface hydrogen to yield ethanol, and a β-H elimination to from surface vinyl alcohol.

羟乙基在160 K的转化过程中包括两个互相竞争的化学反应：与表面的氢原子进行还原反应生成乙醇，或失去一个β-H原子生成表面乙烯醇。

The alkaline composite polymer solid electrolyte with good properties was prepared by solution cast method with poly vinyl alcohol, carboxyl methyl cellulose and KOH as raw materials.

以聚乙烯醇，羧甲基纤维素和KOH为原料，用溶液浇铸法制备了性能良好的碱性固态聚合物电解质。

We use Poly vinyl alcohol, acrylic acid and acrylonitrile as the materials, through the aldolisation of PVA and copolymerization of AA and AN, we prepared the composite membrane with balance theory of hydrophilic and hydrophobic water.

本文以聚乙烯醇和丙烯酸、丙烯腈为主要原料，通过PVA缩醛中醛的选择及膜制备方法的选择，根据亲憎水平衡理论设计出PVA缩甲醛膜上下两层包覆AA和AN共聚膜的复合膜，用此膜进行甲醇／水溶液的渗透汽化分离。

It is pointed out that the biodegradability of modified sodium polyacrylate can be improved by introducing vinyl alcohol to its molecular chain.

综述了无磷洗涤助剂的开发进展，并对 4A沸石、偏硅酸钠、聚丙烯酸钠、沸石P、顺丁烯二酸酐丙烯酸共聚物钠盐、层状结晶二硅酸钠等助剂的性能作了评述；指出在改性聚丙烯酸钠分子链中引入乙烯醇能改善其生物降解

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。