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的这个区域都无活。
The grey vinyl floor gave way to carpet tiles.
灰聚乙烯基地面换成地毯。
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。
Briefly introduced the production method of balanced oxychlorination producing Vinyl Chloride Monomer(VCM).
简要介绍平衡氧氯化法生产氯乙烯(VCM)的生产法。
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聚阴离子电解质。
Made of shaping Polytetrafluorethylene Resin by moulding in ordinary temperature then through high heat sintering.
将聚四氟乙烯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.
用此法合成的标题化合物交联剂与苯乙烯聚合,可得到具有特殊溶胀的聚苯乙烯树脂。
The reaction between polystyrene having oxazoline groups(RPS) and chlorinated polyethylene(CPE) was investigated by FTIR, DSC methods.
用FTIR、DSC等法研究含恶唑啉官团的聚苯乙烯(RPS)与氯化聚乙烯(CPE)之间的反应。
Structure, mechanics, electricity, calorifics, radialization and chemicalproperties are reviewed for polyperfluoroethylene-propylene and tetrafluoroethylene perfluoroalkyl vinyl ether copolymer.
分别阐述聚全氟乙丙烯和四氟乙烯全氟代烷基乙烯基醚共聚物的结构和力学热学、辐射、化学。
Epoxides, episulphides and ethylene imines also polymerize via similar cyclic onium ion mechanisms.
氧化合物，硫化合物和乙烯亚胺也可以按类似于氧?睦胱拥幕?理进行聚合。
This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.
论述乙烯基醚类化合物的三种主要制备法乙炔法、脱卤化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.
重点介绍聚氧乙烯三醇、松香芳烃聚酯多元醇在配中的用。
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,改聚四氟乙烯(PTFE)微孔膜,改善薄膜表面的润湿和粘合。
The result of experiment shows that polyethylene cerate and bentonite pregel play important roles for flash primer.
实验结果说明，聚乙烯蜡膏，膨通预凝胶在闪光漆中有着重要用。
A two-step process for preparing silane-crosslinked polyethylene (PE) insulant for power cable was developed in this paper.
采用两步法制备硅烷交联聚乙烯(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.
铅也可被用于陶器，乙烯基产品，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.
研究乙烯裂解炉服役炉管材料内部的组织损伤程度与焊接的关系。
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烯所需的柠檬烯,其法是溶剂萃取。
The acrylonitrile-styrol reisn is firmly combined on active carbon, thus being safe and nontoxic to the environment.
丙烯腈-苯乙烯树脂和铜离子牢固结合在活炭上，对境安全无毒。
Three Yuan second grade third rubbers (EPDM) is the ethylene, the propylene and the few non-conjugate diolefin copolymer.
三元乙丙橡胶（EPDM）是乙烯、丙烯和少量非共轭二烯烃的共聚物。
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Meaning they release ethylene gas as they mature—and the gas in turn accelerates ripening.
这中的奥妙在于随着这些果实的成熟会释放乙烯，而乙烯反过来会加速果实的成熟。
This yellow fruit is known for producing ethylene gas while it gets ripe.
香蕉在成熟过程中会产生乙烯气体。
So Schultz will create fake ones out of vinyl.
所以舒尔茨用乙烯基做了假袋子。
Around one-third of plastic waste is polyethylene.
大约三分之一的塑料垃圾是聚乙烯。
The styrene gas left dozens unconscious in the street.
在大街上，苯乙烯气体大量居民失去意识。
Besides bananas, what other fruits emit a ton of ethylene?
除了香蕉，还有什么水果会释放超级多乙烯？
Beyond nylon, we're also looking into production processes to manufacture other chemicals like ethylene and propylene.
除了尼龙，我们还在探索 学品的生产工艺，比如乙烯和丙烯。比如乙烯和丙烯。
Let's start with ethylene — the only plant hormone that's a gas.
我们从乙烯开始——唯一一种植物激素是气体。
Companies that used to focus on linoleum, also pivoted to new options, like vinyl.
过去专注于油毡的公司也转向了乙烯基等新产品。
The only way to store fluoroantimonic acid is in Teflon containers.
储存氟锑酸的唯一方法是使用聚四氟乙烯容器。
Just like ethylene, natural gas is known to increase the ripening process.
就像乙烯一样，众所周知，天然气也会加快蔬果成熟。
This issue plagues HDPE bags as well.
以高密度聚乙烯为原料的袋子也有同样的问题。
This is because bananas are climacteric foods, which means they produce a lot of ethylene.
这是因为香蕉是后熟型水果，它们会产生大量的乙烯。
But while that makes cellular PVC more lightweight, it just isn't like wood.
但是，虽然这使得蜂窝聚氯乙烯更轻，但它不像木头。
Polyethylene, used in plastic bags, was one of the most common particles.
用于塑料袋的聚乙烯是这些样本中最常见的微塑料之一。
For example, when fruits start to ripen, they release a chemical called ethylene.
例如，当水果开始成熟时，它们会释放一种叫做乙烯的学物质。
There were more compounds in the teflon with glass pieces.
而加入玻璃片的聚四氟乙烯的生产量增加。
All right, what if we use this two-inch PVC to reinforce the center cross-support?
好的，如果我们用这两英尺的聚氯乙烯来改造中心支撑结构怎样？
And they were still in everything from refrigerators and air conditioners and styrofoam.
它们仍然存在于冰箱、空调和聚苯乙烯泡沫塑料等各种物品中。
These can break down polyethylene, a very common plastic that normally degrades over many years.
它们可以分解聚乙烯——一种很常见的塑料，通常需要很多年才能降解。
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详细解释
。
地毯。
交联剂与苯
的聚苯
氧化合物，
中的奥妙在于随着这些果实的成熟会释放
学英语
大量居民失去意识。
学品的生产工艺，比如
