乙烯

35. Ethylene and trans-dichloroethylene are both inactive in the infra-red in this region .

乙和反式二氯乙在红外光谱的这个区域都无活性。

The grey vinyl floor gave way to carpet tiles.

灰聚乙基地面换成了方块地毯。

This polythene sheet should serve to keep out the rain for a while.

这种聚乙塑料应该可以挡一会儿雨。

Briefly introduced the production method of balanced oxychlorination producing Vinyl Chloride Monomer(VCM).

简要介绍了平衡氧氯法生产氯乙(VCM)的生产方法。

Made of shaping Polytetrafluorethylene Resin by moulding in ordinary temperature then through high heat sintering.

将聚四氟乙树脂在常温下用模压法成型后再经高温烧结成。

Poly(vinyl alcohol)(PVA)-based polyanion was prepared by esterification of PVA with sulfuric acid.

硫酸与聚乙醇(PVA)经备PVA聚阴离子电解质。

Being a bivinyl crosslinker,3 could be copolymerized with styrene giving gel-type resin with superior swelling characteristics.

用此方法合成的标题合物作交联剂与苯乙聚合,可得到具有特殊溶胀性能的聚苯乙树脂。

The reaction between polystyrene having oxazoline groups(RPS) and chlorinated polyethylene(CPE) was investigated by FTIR, DSC methods.

用FTIR、DSC等方法研究了啉官能团的聚苯乙(RPS)与氯聚乙(CPE)之间的反应。

Structure, mechanics, electricity, calorifics, radialization and chemicalproperties are reviewed for polyperfluoroethylene-propylene and tetrafluoroethylene perfluoroalkyl vinyl ether copolymer.

分别阐述了聚全氟乙丙和四氟乙全氟代烷基乙基醚共聚物的结构和力学热学、辐射、学性能。

Epoxides, episulphides and ethylene imines also polymerize via similar cyclic onium ion mechanisms.

环氧合物，环硫合物和乙亚胺也可以按类似于环氧?睦胱拥幕?理进行聚合。

This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.

论述了乙基醚类合物的三种主要备方法乙炔法、脱卤氢法和缩醛热分解法。

The role of polyoxyethylene triol,rosin polyester polyol and asphalt in the asphalt-polyurethane rigid foam was stressed.

重点介绍了聚氧乙三醇、松香芳烃聚多元醇在配方中的作用。

Preparation of microencapsulated osmium tetraoxide from GPPS was reported,and effect of solvent,temperature and dispersant was analyzed.

采用通用聚苯乙(GPPS)备了四氧锇微胶囊。

Using self-prepared sodium naphthalide solution,PTFE micropore membrane was modified to improve its wetness and adhesiveness.

用自的钠—萘处理液,改性聚四氟乙(PTFE)微孔膜,改善薄膜表面的润湿性和粘合性。

The result of experiment shows that polyethylene cerate and bentonite pregel play important roles for flash primer.

实验结果说明，聚乙蜡膏，膨通预凝胶在闪光漆中有着重要作用。

A two-step process for preparing silane-crosslinked polyethylene (PE) insulant for power cable was developed in this paper.

采用两步法备了硅烷交联聚乙(PE)电力电缆绝缘料。

Lead is also used in some seramic (ceramic) and vinol (vinyl) products, candles, hair colorings and other goods.

铅也可能被用于陶器，乙基产品，蜡烛，染发剂和其他产品。

The relation of internal microstructure damage degree of furnace tube in a ethylene pyrolyzer with weldability was studied.

研究了乙裂解炉服役炉管材料内部的组织损伤程度与焊接性的关系。

Limonene needed in recycling foamed polystyrene was extracted from the ear of schizonepeta tenuifolia using ligroin.

本文研究从荆芥穗中提取回收聚苯乙所需的柠檬,其方法是溶剂萃取。

The acrylonitrile-styrol reisn is firmly combined on active carbon, thus being safe and nontoxic to the environment.

丙腈-苯乙树脂和铜离子牢固结合在活性炭上，对环境安全无毒。