聚氯乙烯

Wynlypj1211 On the other hand, the reporter found that food preservation is divided into polyethylene film by material, polyvinyl chloride, polyvinylidene chloride and other species.

wynlypj1211 另一方面，记者调查发现，食品保鲜膜按材质分为聚乙烯、聚氯乙烯、聚偏二氯乙烯等种类。

Polypropylene plastic board ripple or polyvinylidene fluoride; polyvinyl chloride and other board material, and metal plate packing structure similar to, in order to enhance the mass transfer efficiency, the board may be openings .

塑料板波纹填料用聚丙烯或聚偏氟乙烯；聚氯乙烯等板材料制成，与金属板波纹填料结构相似，为提高传质效率，板上可开孔。

In this paper,the action of water mist on PVC fires in a cone calorimeter under different external radiant heat fluxes was studied and the reignition of the PVC fires was analyzed.

聚氯乙烯在燃烧时会产生许多有害的气体，例如氯化氢、氯气和二氧芑，造成严重的环境污染[1~3]。

Development of speciality resin for heat shrinkable film ;2. The heat sensitivity of polyvinyl chloride heat shrinkable film was described.

阐述了聚氯乙烯热收缩膜的热敏性，并从生产实际的角度详细讨论了PVC热收缩膜热敏性的影响因素以及热敏性与成型收缩率和贮存性能之间的关系。

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。

Tensile strength and t- ear strength increased by 119%and27.4% compared to ungraft SBR Vulcanizates; The Tg of SBR ro- se after grafting and heat-resistence ability of SBR–g–is better than u- ngrafting SBR.

在获得接枝率高而且性能良好的SBR-g-的基础上，采用动态硫化法制备SBR–g–增容丁苯橡胶/聚氯乙烯热塑性弹性体（SBR/PVC TPV），研究SBR-g-对SBR/PVC TPV的增容效果。

Material:Solid wood frame with wood skeleton batten inside , MDF board in both middle side , PVC venner .

材料：实木框架内木材骨架板，中密度纤维板局在中东方面，聚氯乙烯venner 。

A method of rapid characterization of polyvinyl chlorid and phthalate plasticizers by Fourier transform infrared spectrometry was proposed.

应用傅立叶变换红外光谱法实现了聚氯乙烯及邻苯二甲酸酯类增塑剂的快速鉴别。

METHODS: Tubes of polyethylene, polyvinyl chlorid and silastic were established by 3.7 mm inner diameter, 3.5 mm external diameter, and 35 cm length, respectively.

制备聚氯乙烯管、聚乙烯管、硅橡胶管的内径3.7 mm，外径5 mm，长35 cm。

The outrageous star is still not bored of flashing as much flesh as possible and showed off her derriere in tiny PVC knickers and a lace corset top.

荒谬绝伦的明星仍然不厌倦尽可能多的闪光灯，背过身来观到她身上聚氯乙烯短裤和花边风情。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。