乙烯的

In this paper, the affect of pressure to the synthetic reaction of vinyl acetate was systematically summarized.

介绍了压力对合成醋酸乙烯反应的影响，提出了合成醋酸乙烯系统加压提高收率的实施方法，分析了加压后的经济效益。

Chemical Engineering Institute, Qingdao University, Qingdao 266071, ChinaAbstract: The compatibility and process property of PVC/HDPE blends were studied on the basis of using vinyl chloride/ethyl acrylate copolymer as a compatibilizer, thus polyvinylchloride/(vinyl chloride/ethyl acrylate)/, ie.

以氯乙烯-丙烯酸乙酯共聚物作为聚氯乙烯和高密度聚乙烯的增容剂，研究了共混物的相容性和加工性能，在此基础上研制了聚氯乙烯/氯乙烯-丙烯酸乙酯共聚物/高密度聚乙烯合金，进而研究了合金的力学性能。

ACC level and ACC oxidase activity in mesocarp were consistent with the onset of ethylene production in fruit.

在乙烯跃变上升时果肉中ACC氧化酶的活性下降，ACC含量和ACC合成酶活力的变化与乙烯生成量变化的趋势一致。

The effects of compatibilizer ethylene acrylic acid copolymercontent on micro morphology, mechanical and rheological properties of polyamide 6(PA6)/ethylene 1 octene copolymer blends compatibilized by EAA were atudied.

采用乙烯丙烯酸共聚物作为尼龙 6/乙烯 1 辛烯共聚物弹性体共混体系的增容剂。详细研究了增容剂用量与共混体系的相态、力学性能和流变性能的关系。

The detection limit was 10 times better than the conventional SPME method. Under the optimized analytical conditions, aqueous samples of trichloroethylene/perchloroethylene (20 μg/L) and benzene/toluene (10 μg/L) were analyzed. The δ13C fractionation compared to pure-phase and headspace analysis was less than 0.5‰.

在优化的条件下，对20 μg/L的三氯乙烯/四氯乙烯和10 μg/L的苯/甲苯水溶液进行了单体碳同位素分析，相比于纯溶剂碳同位素值，顶空同位素分析误差不超过0.5‰，而样本标准偏差为0.3‰。

PTFE is a typical low-surface-energy material: The CA for water on a smooth PTFE film is about 121.61.88, and for diesel oil it is 11.21.68, that is, PTFE is intrinsically hydrophobic and oleophilic.

聚四氟乙烯是一种典型的低表面能材料：核证机关水在光滑的PTFE膜约121.6？1.88，和柴油是11.2？1.68，也就是说，聚四氟乙烯在本质上是疏水性和亲油性。

All kinds of molecule structures of the ethylene - vinyl acetate copolymers have been synthesized by solution polymerization.

用溶液聚合法合成了各种结构的乙烯-醋酸乙烯酯共聚物降凝剂，考察了它们的结晶性质、溶解性质和降凝效果。

Factory production of hot melt adhesive has passed SGS environmental protection certification, its main ingredient is one of ethylene vinyl acetate copolymer as the main material, adding tackifier and other ingredients together with solid-type adhesive.

本厂生产的热熔胶已通过SGS绿色环保认证，其主要成分是以乙烯一醋酸乙烯共聚物为主要材料，加入增粘剂与其它成份配合而成的固体型粘合剂。

Beijing Water Cube is the worlds largest ethylene tetrafluoroethylene building, because of its honeycomb-like structure dictates, this 3500 one of tetrafluoroethylene bubble must be a separate cutting, measuring.

北京水立方是全球最大的四氟乙烯建筑，由於它蜂巢状的结构使然，这三千五百个四氟乙烯泡泡必须一个一个分别裁切、丈量。

Product is tetrafluoroethylene - perfluoroalkyl vinyl ether polymer resin by extrusion, blow molding expansion of heat shrinkable tubes, heat shrinkable tube temperature is -80 ℃~ 260 ℃, shrinkage temperature of 180 ℃-250 ℃, the general shrinkage of 30%, it has no viscosity, heat, weathering, corrosion resistance, anti-fouling, and high electrical insulation properties, is a steel bar rubber and silicone rubber coated roll the ideal casing, may be extended roller life, reduced wear and tear, widely used in chemical industry, electroplating, pharmaceutical, printing, papermaking and other fields.

本产品由四氟乙烯－全氟烷基乙烯基醚聚合物树脂经挤出、吹胀成型的热收缩管，热收缩管使用温度为-80℃～260℃，收缩温度为180℃-250℃，收缩率一般为30%，它具有不粘性、耐热、耐候、耐腐蚀、防污和电高绝缘性能，是钢棒橡胶和硅橡胶辊理想的包覆套管，可延长辊筒寿命、减小损耗，广泛地应用在化工、电镀、制药、印刷、造纸等领域。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。