查询词典 polyvinyl chloride

The rencent processing technology of low-foamed sheet of rigid polyvinyl chloride is expounded mainly in splinterless processing, mechanical processing, connecting, thermoforming , surface treatment and so on, which may be some help to the application of low-foamed sheet of rigid PVC.

主要从板材的无屑加工、机械加工、连接、热成型、表面处理等几方面对硬质聚氯乙烯低发泡板材在现阶段的加工技术进行了阐述，以期对硬质PVC低发泡板材的应用有所帮助。

The approximate calculating method is proposed for the low loss and thin flake material perturbation outside of the cavity. The measured complex permittivities of teflon,polyvinyl chloride ,pure ceramic flake are in good agreements with the standard data.

在隙缝辐射较小的条件下，提出适于损耗小，厚度薄(1mm左右)的片状材料腔外微扰的近似计算方法，测得聚四氟乙烯、聚氯乙烯、纯陶瓷片等复介电常数与准确值相当吻合的结果。

The extent of consistency between this Standard and Plasticized Polyvinyl Chloride Roofing Felt Incompatible With Bitumen Requirements is not equivalent.

本标准与DIN16730-1986《与沥青不相容的含增塑剂聚氯乙烯塑料屋面卷材要求》的一致性程度为非等效。

PVC resin is made by uniform polymerizing monomer of polyvinyl chloride through suspension.

本产品系以氯乙烯为单体，经悬浮法均聚而成的高分子化合物。

Then, basing on the practical problems of the studying area-the thickness of aquifer is little, the capability of depositing water is finite, the Quaternary loose stratum directly superimposes the bedrock strong breeze girdle, the writer thinks it is difficult to answer for the water use of the polyvinyl chloride project by the centralized tube well pumping.

根据研究区含水层厚度小、储水能力差，第四系松散层直接叠加在基岩强风化层之上的具体特点，认为管井集中开采难以满足聚氯乙烯工程的需水量要求，采用集水廊道最大限度地激发河流对地下水的补给，是在这一地区获得较大开采量的有效方式。

Typical examples are acrylics,nylon,polyethylene,and polyvinyl chloride.

像丙烯酸树脂、尼龙、聚乙烯和聚氯乙烯都是这方面的典型例子。

This equipment has the following big advantages: 1 can change color, solid color to dress random, spell color, repair, the old dress that includes cotton of pair of pure cotton, pure hemp, pure wool, real silk, man-made, nylon, leather, acrylic fibbers, polyvinyl chloride fibber and its blending undertakes face-lifting.

该设备具有以下几大优点：1 可对服装任意改色、固色、拼色、修补，包括对纯棉、纯麻、纯毛、真丝、人造棉、尼龙、皮革、腈纶、氯纶及其混纺的旧服装进行翻新。2 办个服装翻新店总投资9000元，包括技术费、设备费、加盟费，一人操作即可投入营业。3 翻新一件服装只需成本2～3元，收费15～25元不等，是下岗职工、退休、待业人员的最佳选择。4 全部采用进口服装翻新工艺，可单件翻新，也可多件同时翻新。

A novel lead ionselective polyvinyl chloride membrane electrode was prepared using 25,27di(2thiadiazolethiooxyethyl)26,28dihydroxyl5,11,17,23tetraptertbutylcalix[4]arene as the ionophore. The influences of the nature of plasticizers and the amounts of the incorporated ionophore and ionic additive on the response characteristics of the electrode were studied.

制备了以25，27二(2噻二唑基硫代乙氧基)26，28二羟基5，11，17，23四叔丁基杯\[4\]芳烃为载体的聚氯乙烯膜铅离子选择电极；研究了电极膜中增塑剂种类及载体和离子定域体含量对电极性能的影响。

Product purpose:(1) calcium carbide (CaC2), organic synthesis of the basic raw materials, Cyanamid, chlor-alkali products, the main raw materials;(2) polyvinyl chloride, used for light industry, construction materials, agriculture, packaging, medicine , electronic equipment, cars, daily necessities;(3) caustic soda, used in paper making, leather processing and textiles;(4) hydrochloric acid, used in paper making, cleaning, rare earth, organic chemical raw materials, fuel , food leather, metallurgy and other industries;(5) lime nitrogen (CaCN2), used in the manufacture of containers of cyanide, cyanides, alkaline drug fertilizer, lime nitrogen particles, soil particles slow-release fertilizer to improve the main raw material;(6) double Cyanamid (H2CN2 2, melamine in raw materials, synthetic pharmaceuticals, dyes intermediates.

产品用途：（1）电石（CaC2），有机合成的基本原料，氰胺、氯碱类产品的主原料；（2）聚氯乙烯，用于轻工业、建筑材料、农业、包装、医药、电子设备、汽车、日用品；（3）烧碱，用于造纸、皮革加工和纺织业；（4）盐酸，用于造纸、清洗、稀土、有机化工原料、燃料、食品皮革、冶金等行业；（5）石灰氮（CaCN2），用于制造氰容器、氰化物、碱性药肥、颗粒石灰氮、土壤改良型缓释颗粒肥的主要原料；（6）双氰胺(H2CN22 ，三聚氰胺的原料，是合成医药、染料的中间体。

The Si/C composite was obtained by pyrolyzing polyvinyl chloride, in which fine graphite and silicon powder are homogeneously dispersed.

本文采用高比容量的硅为主要活性体，采用体积效应小、循环稳定性好的碳为载体，通过高温热解以及高能球磨等方法制备了新型的硅／碳复合材料，并对其电化学性能进行了研究。

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。