查询词典 polymer

It is discovered that metal protectant and polar polymer can reduce fretting wear of complex lithium grease largely by utilizing Fafnir friction oxidation tester investigates fretting wear of complex lithium grease .

用费夫纳摩擦氧化试验机考察复合锂基润滑脂的微动磨损时，发现金属保护剂和极性聚合物可大幅度降低复合锂基脂的微动磨损。

Secondly, we study the properties of an organic ferromagnetic polymer m-PDPC.

其次，我们对一种具有实验基础的m-PDPC(m-polydiphenylcarbene)有机聚合物链进行研究。

The Fido explosives detector is based on a technology called amplifying fluorescence polymer ...

的菲多爆炸物探测器是基于技术，称为放大荧光聚合物。。。

Enterprise powerful force polymer derived from a profound corporate culture, in the field adhere to people-centered, strong each employee and the enterprise with the fate of the sense of achievement in the field of the core of progressive forces of competition.

企业强大的注聚力源自于深厚的企业文化，中田坚持以人为本，每个员工强烈的与企业同命运的意识，成就了中田不断进取的核心竞争力量。

The invention relates to a tobacco filter tip and relative preparation, wherein it is formed by spinning the lactic acid polymer resin, drawing, coiling and shaping, while the line density is 2-6dtex, the beam density is 3-6ktex, the coil number is 15-30n/25mm.

本发明涉及一种香烟过滤嘴丝束及其制备方法。该香烟过滤嘴丝束，是由乳酸类聚合物树脂经熔体纺丝和后续的牵伸、卷曲和热定型而成，单丝线密度2～6dtex，丝束线密度3～6ktex，卷曲数15～30个/25mm。

The Huabiao brand T-1804 Middle Distillate Flow Improver ( diesel oil pour- point depressant ) was jointly developed by Beijing Organic Chemical Plant and Chin- ese Research Institute Of Petroleum Processing in1976 , it is manufactured by high pressure polymer processing , it is effective to depress cold filterability pour point .

我公司生产的"华表"牌T-1804柴油流动改进剂是北京有机化工厂与中国石油化工科学研究院于1976年开始联合研制开发的，采用高压聚合生产工艺，产品能有效降低柴油的凝固点和冷滤点。

In changing the property of polymer, people can achieve high-performance and fineness. This is one of the main methods of developing new materials.

通过聚合物的改性，可以实现高分子材料的高性能化、精细化，是发展新型材料的主要途径之一。

Using numerical simulation technology and method of orthogonal experiment design and single factor rotating optimization, this thesis makes a study of "lost core injection ", thus achieve the optimization of the parameters of molding process, to offer basic reference when developing production technology and mould of the plastics intake manifold. Based on the study of the status in quo and development trend of weight reduction on automobile, the application of plastics to automobile and intake manifold, then under the guidance of theory model and numerical simulation technology in the process of high polymer material, this thesis launches flowing main research work: First of all, on the basis of the three-dimensional model of the part and finite element net model, several designs of gating and running system are numerically simulated and analyzed via MPA of Moldflow.

本文在对当今汽车轻量化、零部件塑料化以及的汽车进气歧管塑料化的发展现状和发展趋势进行了研究和简要介绍，然后在高分子材料成型过程中的理论模型和数值计算方法的指导下，展开主要的研究工作：首先，在零件三维模型和有限元网格模型的基础上，使用Moldflow 的MPA模块对塑料进气歧管的多个浇注系统设计方案进行数值模拟，通过分析各个方案的充填质量、熔接线位置及数量等指标，得到了综合质量较高的4 个进料口的浇口位置及半限制型浇口大小的浇注系统。

This study first screened the polymers. The polymer solution was coated on the feeds and floatability and disintegration rate of the feeds were monitored.

本研究首先筛选了四种高分子聚合物，以配制成的高分子膜衣液包覆饲料，监测饲料上浮性和崩散速率。

The flocculus has good sand carrying-capability when its concentration is high enough. The mass ratio of cationic polymer to HPAM is 30 to 1 when the polymers reacted fully. The permea...

矿场试验表明，采用此种阳离子聚合物对产出液中阴离子聚合物浓度高的油井进行封堵，具有明显的增油、降水效果。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。