聚乙烯

Three models (star-shaped, H-shaped, and comb-shaped polyethylenes) are used to study the crystallization behavior of low-density polyethylene at the molecular level by means of molecular dynamics simulation.

3采用星型、&H&型、梳型三种结构的聚合物分子模型，利用分子动力学模拟，从分子水平上探讨了低密度聚乙烯模型分子的结晶机制。

Specializing in the production of specialty rubber and rubber products, users can also be necessary scientific manufacturing rubber PTFE, UHMW-PE combination of rubber, ultra-high molecular weight polyethylene products.

专业生产特种橡胶和普通橡胶制品，也可按用户需要科学制造橡胶PTFE，UHMW-PE组合橡胶制品，超高分子量聚乙烯制品。

Www.valeron.com strength film, which is described as a high-strength, cross-laminated, tear-resistant, high-density polyethylene structure.

www.valeron.com ）强度薄膜，这是形容为高强度，交叉复合，催泪性，高密度聚乙烯的结构。

The dependence of haze and its variation rule of low density polyethylenefilm on processing technology were discussed.

探讨了加工工艺对低密度聚乙烯薄膜雾度的影响及其变化规律，优化了加工工艺参数，确定最佳工艺条件为：熔体温度170℃，冷凝线高度20.0 cm，吹胀比3.5，牵伸比4.0；使产品透明度提高，50μm薄膜雾度在7.0％以下。

Low density polyethylene ; thermally induced phase separation ; microporous membrane ; diphenyl ether ; kinetics ; coarsening ; pore size

低密度聚乙烯；热诱导相分离；微孔膜；二苯醚；动力学；粗化；孔径

In order to raise the accuracy of the measurement of tangent of dielectric loss angle in XLPE cables,efforts were made to explore the effect of sample preparation and use of protective ring,i.e.the effect of different protective rings and different distance between the protective ring and the insulation shield on the accuracy of the tgδ measurement under a given measuring voltage.

为了提高交联聚乙烯绝缘电力电缆介质损耗角正切测量的准确性，对电缆试样制作保护环等问题进行了深入地探讨，即在一定的测量电压下，采用不同的保护环以及保护环与绝缘屏蔽之间不同的距离，对tgδ测量值的影响进行了探讨，并对测量工作提出了应注意的若干问题。

The die drawing process and the main characteristics of oriented polyethylene was reviewed in this paper.

介绍了制备取向聚乙烯的口模拉伸工艺及其特点，该工艺适宜的口模温度为低于树脂熔点10～40℃，拉伸速度一般小于15 m/min。

In order to overcome those defect ,super saturated gas technology was used to prepare the new kind of Medpor with flexibility ,high elastic behavior in this paper.

针对高密度聚乙烯的特性和超饱和气体法的特点，本文从以下几个方面进行了一系列的探索性工作。

KAWOMURA R inert pigments are suitable for the following polymer systems,like, silicone resins, amino resins,acrylics, poly esters,HDPE / PP, polycarbonate ,PVC, chloride ethylene, etc..

KAWOMURA R 惰性颜料适合应用的聚合物体系有：有机硅树脂、氨基类树脂、丙烯酸树脂、聚酯类树脂、高密度聚乙烯/聚丙烯、聚碳酸酯、聚氯乙烯树脂、氯化橡胶树脂等等。

According to the emergence, PVA, mineral oil and three acaricides were sprayed during the different growing periods of Chinese chestnut use of fog machine.

根据板栗红蜘蛛发生消长规律，采用烟雾机喷雾施药，研究了聚乙烯醇、刹死倍和3种杀螨剂对红蜘蛛越冬卵和发生期螨的防治效果。

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。