乙烯

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

和反式二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).

简要介绍了平衡氧化法生(VCM)的生方法。

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

硫酸与聚醇(PVA)经酯化制备PVA聚阴离子电解质。

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

将聚四氟树脂在常温下用模压法成型后再经高温烧结制成。

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化合物作交联剂与苯聚合,可得到具有特殊溶胀性能的聚苯树脂。

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

用FTIR、DSC等方法研究了含恶唑啉官能团的聚苯(RPS)与化聚(CPE)之间的反应。

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

分别阐述了聚全氟丙和四氟全氟代烷醚共聚物的结构和力学热学、辐射、化学性能。

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

环氧化合物，环硫化合物和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.

论述了醚类化合物的三种主要制备方法炔法、脱卤化氢法和缩醛热分解法。

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

采用通用聚苯(GPPS)制备了四氧化锇微胶囊。

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

重点介绍了聚氧三醇、松香芳烃聚酯多元醇在配方中的作用。

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

用自制的钠—萘处理液,改性聚四氟(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.

采用两步法制备了硅烷交联聚(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，品，蜡烛，染发剂和其他品。

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

研究了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-苯树脂和铜离子牢固结合在活性炭上，对环境安全无毒。