乙烯的

In medical industry,it is used in the production of cephalosporin V, sulfanilamide -6-methoxamine pyrimidine,fluorine pyrimidine.

还作为溶剂、金属防腐剂、环氧树脂固化剂、聚酯的固化促进剂、乙烯类化合物聚合时的助催化剂等。

The interrelation of PG activity with softness, storability and susceptivity to stimulus from exo-ethylene was discussed.

讨论了PG活性与果实成熟、耐贮性及软化的关系，及对外源乙烯刺激的敏感性。

The support insulators should be made of materials with very high resistance, such as Teflon.

支撑用的绝缘体应当用电阻非常高的材料，如聚四氟乙烯或陶瓷来制作。

The technology of sulfur recovering by the means of tetrachloroethylene mixing with water has its own special characteristics and advantages ,comparing with other methods in the field of comprehensive utilizing nickel anode sludge.

在镍阳极泥的综合利用上，采用四氯乙烯混水法回收元素硫，有其独有的工艺特点和优势。

Blue electronic ink microcapsules containing phthalocyanine blue BGS particles homodispersed in tetrachloroethylene were prepared by in situ polymerization using Urea-formal-dehyde as wall material.

利用脲甲醛树脂为壁材制备了以酞菁蓝 BGS颗粒分散在四氯乙烯中的悬浮液为核材料的蓝色电子墨水微胶囊。

This investigation focuses on pigment phthalocynine green G modified with octadcylamine, which is suspended in tetrachloroethylene and 1,2-dibromoethane using span-80 and CH-6 hyperdispersants as emulsifiers.

采用正交设计方法，以十八胺改性酞菁绿G形成电泳颗粒，以四氯乙烯和1，2-二溴乙烷的复配液为分散介质，Span-80和CH-6超分散剂为稳定剂，制备了分散性和稳定性良好的电泳显示液。

Using a phase equilibrium apparatus, the solubilities of anthracene and carbazole in dimethyformamide, N-methylpyrrolidinone, cyclohexanone, xylene, dichloroethane and tetrachloroethylene were determined and solubility curves were drawn, providing useful data for crude anthracene processing.

利用液固相平衡实验装置，测定了蒽和咔唑在二甲基甲酰胺、N-甲基吡咯烷酮、环己酮、二甲苯、二氯乙烷和四氯乙烯中的溶解度，并作出溶解度曲线，为粗蒽的分离和精制提供了有用数据。

Compared with formerly used crude mica and polyquadrifuorethene, Fluorocrytal Mica with its purity has high body resistivity (100 times than crude mica), low loss in high frequency medium ( 1 time smaller than crude mica), moderate dielectric constant, safe use temperature up to 1100℃, good intensity, elasticity, unaging, and consequently good electric stability.

与原来使用的天然云母和聚四氟乙烯比较，氟晶云母由于质地纯净，具有较高的体电阻率（比天然云母高约1000倍），高频介质损耗低（比天然云母小1倍），介电常数适中，且安全使用温度可达1100℃、强度好、富有弹性、不易老化，因而其电性能非常稳定。

The Westfall 2350 Series Venturi Flow Meter features epoxy vinyl ester construction, with a 1thick stainless steel throat and 1-1/4?

Westfall 2350系列文丘里流量计的特点是采用环氧乙烯基酯结构，以1英寸厚的不锈钢喉管和1-1/4英寸厚316L不锈钢全界面，48英寸法兰。

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

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。