聚乙烯

Objective To investigate the contact mechanical characteristics of artifical acetabulum made of ultrahigh molecule polyethylene.

目的 考察人工超高分子量聚乙烯髋关节臼的接触力学特性。

The effects of the mass ratio of polyvinyl alcohol and chitosan,the volume of acetum,the concentration of crosslinker on swelling ration are studied and optimized using orthogonal experimental method.

凝胶溶胀度随着聚乙烯醇与壳聚糖质量比、交联剂戊二醛浓度的增大而减小，随着溶剂醋酸溶液体积增加而增大

As per the material, they have nylon rope, plastic rope, PE Rope, PP rope, PVC Rope, Cotton rope, Jute Rope, Sisal Rope, Mixed Rope, Nylon Twine, Plastic Twine, Cotton Twine, Jute Twine and Sisal Twine. As to the construction: Twisted rope and braided Rope.

根据材料分：有尼龙绳、塑料绳、聚乙烯绳、聚丙烯绳、PVC绳、棉绳、黄麻绳和剑麻绳、各种材料的混纺绳，尼龙线、塑料线、聚乙烯线、聚丙烯线、棉线、黄麻线和剑麻线。

A manufacturing method for a polarized light film is following: processing the material film (1) of the polyvinyl alcohol resin through the expanding sink (3) as a procedure, processing the material in the dipping sink (4) as a procedure, the dyeing procedure for the dyeing process in the dyeing sink (5) and continuous procedure for the boric acid process in the boric acid sink (6); and processing the single shaft extending for the polarized light film (9) in one procedure at least of the dyeing sink (5) and the boric acid sink (6), the invention processes the polyvinyl alcohol resin film in the direction of the mechanism in the dipping sink (4), which reaches the extending multiplying power above 1.0 fold and below 1.05 folds.

偏振光薄膜的制造方法，使聚乙烯醇系树脂的原料薄膜(1)按顺序通过在膨润槽(3)中的膨润处理工序、在水浸渍槽(4)中的水浸渍处理工序、在染色槽(5)中的染色处理工序以及在硼酸槽(6)中的硼酸处理工序连续进行处理，并且在染色槽(5)以及硼酸槽(6)中的至少一个工序中进行单轴拉伸制造偏振光薄膜(9)时，在水浸渍槽(4)中相对于机械方向处理聚乙烯醇系树脂薄膜，使拉伸倍率达到1倍以上并且在1.05倍以下。

This paper discusses the chemical modification of low density polyethylene with siloxane by grafting.

为改善聚乙烯电缆料在高电场下的老化性能，用显微镜观察并拍照等方法研究了不同聚硅氧烷接枝量对改性低密度聚乙烯的结晶形态、性能及机械性能等的影响。

Ultra High Molecular Weight Polyethylene film is based on ultra-high molecular weight polyethylene-based sheet by cutting into the thickness of 1 mm in the film.

超高分子量聚乙烯的影片是根据超的到1毫米的薄膜厚度切削超高分子量聚乙烯的表。

The bulk resistivity of the conductive polyethylene composite was 0.2 Ω·cm.The tensile strength was 47.6 MPa and the percent elongation at break was 1.6%.The conductive composite was solution impermeable and corrosion resistant.The SEM micrograph indic...

结果表明，聚乙烯复合导电塑料的体积电阻率达到0.2Ω。cm，拉伸强度为47.6 MPa，断裂伸长率1.6%，同时具有不渗液、耐腐蚀等特性，SEM观察表明，聚乙烯复合导电塑料中形成了导电网络，适合用作钒电池的集流体。

In the west, in late November, at the Battle of Ch'ongch'on River , the PVA attacked and over-ran several ROK Army divisions, and the flank of the remaining UN forces. 98-99 The UN Command retreated; the US Eighth Army's retreat,occurred because of the Turkish Brigade's successful, but very costly, rear-guard delaying action at Kunuri, slowed the PVA attack for 4 days,(26–30 November).

在西方，在11月下旬，在战役Ch'ongch'on河，聚乙烯醇攻击和过跑几个韩国陆军师，和侧翼剩余的联合国部队。98 - 99联合国军司令部撤退，在美第8集团军的撤退，发生，因为土耳其队的成功，但非常昂贵，背投后卫拖延行动Kunuri，减缓了攻击聚乙烯醇4天（26-30月）。

Finally, the application of parameters of the traps (such as trap density, trap level distribution and so on) to study the electrical aging in polymer was discussed. Considering the close relation between space charge and trap in polymer, the space charge distributions of aged LDPE samples with and without FRS were measured.

考虑到聚合物中空间电荷与陷断的密切关系，考察了电老化过程中纯聚乙烯及合自由基清除剂的试样的空间电荷变化规律，并且运用聚合物的能带模型解释了聚乙烯经过直流预压后，在短路过程中空间电荷极性发生反转的原因。

Considering the close relation between space charge and trap in polymer, the space charge distributions of aged LDPE samples with and without FRS were measured. For the first time, the polarity convert of the space charge in prestressed samples during the short circuit time was explained according to the energy band model of the polymer.

考虑到聚合物中空间电荷与陷阱的密切关系，考察了电老化过程中纯聚乙烯及含自由基清除剂的试样的空间电荷变化规律，并且运用聚合物的能带模型解释了聚乙烯经过直流预压后，在短路过程中空间电荷极性发生反转的原因。

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。