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

乙烯和反式二氯乙烯在红外光谱这个区域都无活性。

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

硫酸与聚乙烯醇(PVA)经酯化制备PVA聚阴离子电。

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

要介绍了平衡氧氯化法生产氯乙烯(VCM)生产方法。

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

这种聚乙烯塑料应该可以挡一会儿雨。

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

将聚四氟乙烯树在常温下用模压法成型后再经高温烧结制成。

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

用自制钠—萘处理液,改性聚四氟乙烯(PTFE)微孔膜,改善薄膜表面润湿性和粘合性。

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

环氧化合物，环硫化合物和乙烯亚胺也可以按类似于环氧?胱拥幕?理进行聚合。

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

论述了乙烯基醚类化合物三种要制备方法乙炔法、脱卤化氢法和缩醛热分法。

The grey vinyl floor gave way to carpet tiles.

灰聚乙烯基地面换成了方块地毯。

Conclusions The facial appearance is improved by the above operations in cases who have worn artificial eye a long time, particularly the insertion of Medpor for correction of lower lid chalasis.

结论通过上述手术可使长期配戴义眼患者外观改善，特别是聚乙烯复合体眼睑插片用于治疗下睑松驰无力临床疗效满意。

The Brief Analysis of Marketing : The chloroethylene is the main material for the production of koroseal and its market supply and demand change along with the development of chlorine.

氯乙烯是生产聚氯乙稀树要原料，它市场供需随着聚氯乙稀发展而变化。

Three-dimensional flow field in the elutriator of polythene packed system is simulated based on the standard k-e model provided by FLUENT, is studied firstly to improve the separation efficiency.

为进一步提高聚乙烯粒料包装系统淘析器分离效率,对系统内气相流场进行了研究和分析。

PVC, Teflon and fluorion diaphragm were found to be better than glass as materials of diaphragm cell for their advantages in corrosion resistance as well as less electric resistance.

以聚氯乙烯、聚四氟乙烯和全氟离子隔膜为材料套管式隔膜电槽具有隔膜亲水性强、电阻小、耐碱液腐蚀、耐高铁酸盐氧化等优点，与平板式隔膜电槽采用普通玻璃和高硼硅玻璃相比是更加理想电化学合成高铁酸盐电槽及隔膜材料。

Co-gasification of Huainan coal, waste wood and waste polyethene (PE) to produce fuel gases with high H2 was carried out on a fluidized bed reactor in out laboratory.

开展了利用煤、废木屑和聚乙烯废料进行共气化以制备富氢燃料气研究。

Introduces how to synthesize acrylic acid, acrylate and phenylethene quadripolymer into alcohol-soluble acrylic resin and use it as a link stuff to prepare flexible relief block printing ink.

叙述了丙烯酸、丙烯酸、苯乙烯四元共聚合成醇溶性聚丙烯酸类方法，并以其为连结料制备柔性凸版油墨。

The results showed that Abscisic acid (ABA) and ethrel could improve the single cell area of wheat starchy endosperm, thus affect the quality and grain weight of wheat.

结果表明乙烯和ABA均能提高小麦胚乳单个细胞大小，从而影响小麦粒重和品。

This article analyze the condition of demethanizer after revamping. The operation state afterwards the revamp is summarized and further optimization of the demethanizer is given in the paper.

摘要通过乙烯装置脱甲烷塔系统改造后运行状况分析，对脱甲烷塔改造后运行状态进行了总结，并为更进一步优化工艺条件提出措施。

This article analyzes main factors that affect the actual operation of Demethanizer,and discusses the problems existing in the Demethanizer after the revamp of ethylene plant in Fushun,CCPC.

分析了影响中国石油抚顺石化分公司乙烯公司乙烯装置脱甲烷塔运行要因素,并针对乙烯装置改造后脱甲烷塔存在问题进行了探讨。

Catches an illness the flowering branch to have the mutual infectiousness, but died of old age the flowering branch is easy to have the ethylene acceleration deterioration.

染病花枝具有相互感染性，而凋谢花枝易产生乙烯加速衰败。

Results indicate interestingly that the double bond of GMA polymerized with polystyryl carbanion and the molar ratio of epoxy end group and polystyrene oligomer can be adjusted.

在GMA与聚苯乙烯阴离子反应过程中，GMA在活性种终端发生了聚合，所得产物中环氧端基与聚合产物摩尔比可根据需要进行调节。