查询词典 polyethylene

The method is as follows: firstly, premixture is prepared through fusion and composition of the polyvinyl alcohol and the auxiliary agent; secondly, the premixture is fused and mixed with the low density polyethylene and the compatilizer on a double-screw extruder, and the polyvinyl composite material with the moisture absorption function is prepared.

本发明所采用的复合方法具有简便、环保、成本低廉、易于工业化生产等优点；制得聚乙烯基吸湿功能复合材料，具有吸湿功能，可用于制备薄膜，并使薄膜具有较好的吸湿功能，同时保持良好的力学性能。

Jiangsu Tianteng Chemical Industry Co.,Ltd., is one of the key manufacturers in our country for chlorinated Polyethylene. As Jiangsu Star Enterprise, Hi-tech enterprise and Provincially Advanced Nongovernmental Technological Enterprise, our company was certified by ISO9002 quality system in 1998 and ISO9001 quality control system in 2003. We passed the check of clean production in 2007 and got certificates of ISO14001 EMS and GB/T28001O OHS in 2008. Our company owns self-support import and export authority.

江苏天腾化工有限公司，系全国氯化聚乙烯重点生产厂家之一，为江苏省明星企业、江苏省民营科技企业、江苏省高新技术企业，于1998年通过中方委ISO9002质量体系认证，2003年通过中方委ISO9001质量管理体系认证，2007年通过清洁生产审核验收，2008年通过ISO14001环境管理体系认证和GB/T28001职业健康安全管理体系认证，拥有自营进出口权。

Methods: According to the relationship between psychophysiologic disorders and constipation, 114 patients with STC were divided into three groups which received venlafaxion hydrochloride , polyethylene glycol 4000（PECA000） or both of them respectively.

根据便秘与精神心理异常的因果关系，将STC患者分为三组，分别服用文拉法辛、聚乙二醇4000及文拉法辛和聚乙二醇4000，比较治疗前后HAMA、HAMD评分、大便性状、排便次数及胃肠通过时间测定变化。

Yixing City Chemical Plant was built in the southeast in 1991, the main products Triethanolamine, NP series emulsifier, polyethylene glycol series; Yixingoil additive Limited was founded in 1992, the main products purificant 6501, anti-rust oil Series, 13 # machine oil, cutting fluid such as water;§Yixing railway was built in 1993, the National Ministry of Railways are fixed-point production enterprise, the main products of the three generations of railway locomotive and its combination of oil, the product responsible for the supply in eastern China oil unit of the railway locomotive.

宜兴市东南化工厂建于1991年，主要产品为三乙醇胺， NP乳化剂系列，聚乙二醇系列；宜兴海达特油添加剂有限公司建于1992年，主要产品为6501净化剂，防锈油系列，13＃机械油，水剂切削液等；宜兴市铁路油脂厂建于1993年，是国家铁道部定点生产企业，主要产品为铁路内燃机车三代油及其复合剂，产品负责供应华东地区的各铁路机车用油单位。

We present here the results of our current efforts on: 1. ZnO nanoparticles of different sizes were prepared by hydrothermal method. The effect of polyethylene pyrrolidone addition on the particles size has been studied.

另外，在对ZnO进行掺杂研究时发现，掺杂物质的类型和其纳米范围内的量子尺寸效应对功能材料的性能有着很大的影响，所以对ZnO掺杂物质种类和尺寸的研究非常重要。

In the deep processing of agricultural and food products, there are some key technological problems of system design on the domestic traditional reelable vacuum aluminium coating system, including mass process parameters, bad process duplication, unstable production quality caused by complex operation, and high equipment failure rate. A newly developed reelable vacuum aluminium coating system with 1500 mm-wide thin plastic films was designed with high vacuum technology in order to satisfy the vacuum aluminum coating of more than 1500 mm-wide, such as polyethylene terephthalate, oriented polypropylene, polypropylene cast film, polyvinyl chloride.

为满足农产品及食品深加工中1500 mm幅宽以上的聚脂薄膜、定向聚丙烯薄膜、聚丙烯流涎薄膜、聚乙烯薄膜的真空镀铝，针对国内卷绕蒸发式真空镀膜机设备存在的工艺参数多、工艺重复性差、操作复杂、产品质量不稳定、设备故障率高等问题，采用高真空技术研制了宽幅卷绕蒸发式高真空镀膜机。

This paper summarized the development of metallocene catalyst and single-site center technology, and introduced the developing trends of polyethylene producing processes including bimodal PE production technology, responser new disposition technology and condensed and super-condensed technology.

概述了茂金属催化剂和单活性中心技术的发展，介绍了聚乙烯生产技术新的发展动向，如双峰PE生产技术、反应器新配置技术、冷凝态和超冷凝态技术。

The flow properties of linear low density and low density polyethylene blend under the extrusion conditions were investigated with capillary rheometry .

LLDPE为新一代聚乙烯，其制品在存放及使用过程中显示出一些突出的特点，如优异的机械强度、耐环境应力开裂性、耐热性、耐寒睦和抗翘曲性等。

The Perkin method for coumarin synthesis from salicylaldehyde and acetic anhydride has been improved by using calcium acetate as catalyst and polyethylene glycol as activator.

对以水杨醛和乙酸酐为原料合成香豆素的工艺进行了改进。采用乙酸钙为催化剂、PEG为活化剂的工艺路线。

The Perkin method for coumarin synthesis from salicylaldehyde and acetic anhydri de has been improved by using calcium acetate as catalyst and polyethylene glycol as activator.

摘 要 对以水杨醛和乙酸酐为原料合成香豆素的工艺进行了改进。采用乙酸钙为催化剂、PEG为活化剂的工艺路线。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。