乙烯的

The synthesized nonabsorbable materials is one kind of implant materials that achieve wide application, such as polypropylene, polytetrafluoroethylene and other patches.

合成的不可吸收材料是目前使用最多的植入材料，如聚丙烯、聚四氟乙烯及其复合补片。

Factory production of polyvinyl acetate emulsion by the National Chemical Building Materials Quality Supervision, Inspection and Testing Center of qualified, quality assurance, customer-heavy, with good faith and integrity to provide quality customer service.

本厂生产的聚醋酸乙烯乳液经国家化学建材质量监督检验中心检测合格，质量保证，以客户为重，用真诚和诚信为客户提供优质的服务。

The surface hydroxyl group onto magnetic polyvinyl acetate nanoparticles can be obtained by saponification reaction on their surface.

结果表明，磁性聚苯乙烯颗粒与丁二酸酐发生Freidel-Crafts酰基化反应，可以在颗粒表面引入少量羧基；磁性聚甲基丙烯酸甲酯颗粒分别与乙二醇、二缩三乙二醇、聚乙二醇等发生醇-酯交换反应，可以在颗粒表面接枝不同分子链长度的末端羟基；磁性聚醋酸乙烯酯颗粒经过醇解或皂化反应可以获得表面羟基；磁性聚丙烯酸甲酯颗粒通过乙二胺或1，6己二胺的胺解反应可以得到表面氨基，继而与一氯乙酸反应可以引入亚胺二乙酸基团。

The corrugated paper honeycomb sandwich was fabricated with corrugated paperboard of different flute and base weight using polyvinyl acetate emulsion,and impact test was carried out to study their dynamic performance.

比较了瓦楞结构蜂窝夹层和普通蜂窝夹层用纸量的差别，用聚醋酸乙烯酯乳液作为黏合剂，使用不同楞型和定量的瓦楞纸板制得瓦楞结构蜂窝夹层，利用冲击实验机研究其动态性能。

These chemicals are commonly used to make vinyl plastic, otherwise known as polyvinyl chloride or PVC.

这些化学物质主要的功用是作为乙烯基塑胶中的增塑剂，以作为软化塑胶之用。

Abstracts:Defects of cooling coil lined outwardly with Teflon in the porcelain enamel reaction column are analyzed, and a new design scheme of coil coated outwardly with porcelain enamel is proposed.

摘 要：对搪瓷反应塔外衬聚四氟乙烯盘管缺陷进行分析，提出新的外搪瓷冷却管设计方案，实现了搪瓷反应塔的全搪瓷化，装置平稳运行，产品合格率达到100％，生产周期大幅缩短。

This premium quality, 5mil powder-free metal detectable blue vinyl glove combines comfort with product safety, providing the ultimate in safe food handling.

种优质，换来500无粉蓝色的金属探测手套结合乙烯产品安全舒适，提供安全食品的最终处理。

It is found that the current of oil flow electrification is maximum, minimal and intermediate in the case of pressboard paper, PTFE and metal iron respectively. Composition of new and aged oil is analyzed by DX-4 electron disperse analyzer.

通过固体材料表面特性对油流带电影响的研究，发现当固／液界面中的固体为绝缘纸板时，油流带电电流最大；当固体为聚四氟乙烯时，油流带电电流最小；当固体为金属铁板时，油流带电电流介于两者之间。

Methyl propionate is an important organic chemical raw material.

丙酸甲酯是重要的有机化工原料，在过去的研究中大多是利用CO+CH_3OH与乙烯氢酯基化反应而合成。

The best multiple linear regression model 2 involved 73 structures including polyoxyethylene,acetate,propionate and ...

又建立了包含聚氧乙烯、乙酸、丙酸和碳氟等特殊类型不同结构的73种阴离子表面活性剂的最佳模型2，复相关系数R2=0.993。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。