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

和反式二氯烯在红外光谱的这个区域都无

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The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG).

红外光谱检测解聚产物是纯度很高的对苯二甲酸二甲酯(DMT)单体和二醇。

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Stearone glycol fumaric acid (SGF) was synthesized with maleicanhydride, cinnamyl alcohol and ethylene glycol.

由于烯二酸酐经醇解转型酯化途径合成了对皮肤无过敏反应的反丁烯二酸桂醇甘醇酯(SGF)。

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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。

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Three Yuan second grade third rubbers (EPDM) is the ethylene, the propylene and the few non-conjugate diolefin copolymer.

丙橡胶(EPDM)是丙烯和少量非共轭二烯的共聚物。

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Ethylene glycol monoether acetate are synthesized from acetic acid and ethylene glycol monoethyl ether with supported phosphotungstic acid catalyst.

以醋酸和二醇单醚为原,白土负载磷钨酸作为催化剂,合成了二醇单醚醋酸酯。

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Preparation of ethylene bis stearamide using stearyl chloride and ethylenediamine (EDA) as raw materials has been studied.

研究了以二胺和硬脂酰氯为原制备双硬脂酰胺的反应,讨论了原配比、反应时间、反应温度的影响。

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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内部的组织损伤程度与焊接的关系。

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Abstract: The C5 Fraction derived from ethylene steamcracker contains some very useful components, isoprene, cyclopentadiene and piperylene.

摘 要: 来自裂解的C5馏份含有非常有用的化工原——异戊二烯、环戊二烯、戊间二烯。

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According to the ethylene diamine moiety in the structure of some calcium antagonists,we designed and synthesized 5 unreported phenoxybenzamine derivatives.

利用酚苄明结构中氯胺基的,结合一些钙拮抗剂含二胺结构的特征,设计合成了5个酚苄明衍生物。

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The determination method of ethylene chlorohydrin content by u sing FID chromatograph polyethylene glycol 20M chromatographic column was introd uced.

介绍了采用FID的色谱仪聚二醇20M色谱柱对氯醇的定量测定方法。

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The stable organic solution of dichloroglyoxime was prepared in high yield by chlorine aerated into the ethylene glycol solution of glyoxime.

二肟溶于二醇,通入氯气,生成稳定的二氯二肟溶液,这种方法制备的二氯二肟贮存稳定,产率高。

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The article has introduced the method such as methanol, ethanol, ethylene glycol, pointing out synthol is the new raw material of oildom.

介绍了由合成气为原制取甲醇、醇、二醇等产品的方法,指出了合成气是石油化工的新原

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Bromobutyraldehyde ethylene acetal was synthesized from crotonaldehyde by addition with hydrogen bromide and then acetalation with ethylene glycol with an overall yield of 80.

巴豆醛先与溴化氢加成,再与二醇缩醛化得到3-溴代丁醛缩二醇,收率80.8%。

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The effect of ethylene comonomer content on the crystallization, mechanical and viscoelastic properties of VERSIFY copolymers was studied by DSC, DMTA, POM and WAXD.

通过DSC,DMTA,POM和WAXD等手段,研究了共聚单体含量的变化对VERSIFY共聚物结晶能、力学能和粘弹能的影响。

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Depropanization is a procedure in the separation section of ethylene production and its effect is to separate component C3 from component C4 and C4 above.

脱丙烷是生产过程中分离工段的一个工艺步骤,其目的是将C_3和C_4以上组分分离。

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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.

染病花枝具有相互的感染,而凋谢的花枝易产生加速衰败。

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3, A chelating agent which forms an easily water-soluble metal chelated compound such as nitrilotriacetate (NTA) or ethylene diamine tetraacetate (EDTA) is incorporated in a detergent composition.

在洗衣粉中掺入螯合剂,例如次氮基酸酯(NTA)或者是二胺四酸酯(EDTA),这些螯合剂易于形成水溶的金属螯合物。

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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烯公司烯装置脱甲烷塔运行的主要因素,并针对装置改造后脱甲烷塔存在的问题进行了探讨。

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Scishow 精选系列

Like ethylene glycol, the stuff that's in antifreeze?

说防冻剂里面乙二醇。

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60秒 听力 2015年1月合集

Meaning they release ethylene gas as they mature—and the gas in turn accelerates ripening.

这其中奥妙在于随着这些果实成熟会释放乙烯,而乙烯反过来会加速果实成熟。

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机智

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。

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机智

This yellow fruit is known for producing ethylene gas while it gets ripe.

香蕉在成熟过程中会产乙烯气体。

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Asap SCIENCE 精选

For example, when fruits start to ripen, they release a chemical called ethylene.

,当水果开始成熟时,它们会释放一种叫做乙烯物质

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Crash Course 植物

Let's start with ethylene — the only plant hormone that's a gas.

让我们从乙烯开始——唯一一种植物激素是气体。

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CNN 10 英语 2022年11月合集

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,它们会产大量乙烯

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60秒 听力 2015年1月合集

That pattern changed over time, right in step with the fruit's release of ethylene.

这种模式会随着时间推移而改变,且与水果释放乙烯保持一致

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60秒 听力 2015年1月合集

Today's high-tech farmers might sample the ethylene released by the fruit, as it sits in an airtight container.

今掌握高科技技术农民们也许会将有待成熟果实放在密闭容器中然后释放用水果做成乙烯样本。

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Crash Course 植物

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

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TED演讲(视频版) 2022年10月合集

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 其他产工艺,比乙烯和丙烯。比乙烯和丙烯。

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60秒 听力 2015年1月合集

At maximum ethylene release, the fruit reaches peak ripeness: ideal taste and texture.

乙烯释放达到峰值后,果实也达到最佳成熟期: 拥有诱人口感和完美质地。

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SciShow - Chemistry

Like ethylene glycol, the stuff that’s in antifreeze?

像乙二醇一样,防冻剂里东西?

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厨房美味大比拼

Fruits, like they actually like release like ethylene gas.

- 水果,就像它们实际上喜欢释放乙烯气体一样。

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此间地球

Cracking ethane into ethylene also carries a huge carbon footprint.

将乙烷裂解成乙烯也会产巨大碳足迹。

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Crash Course 综合篇

That ethene is sometimes called ethylene.

乙烯有时被称为乙烯

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Crash Course 综合篇

And the simplest of those is ethene, also known as ethylene.

其中最简单是乙烯, 也称为乙烯

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A Short History of Nearly Everything

C2H4 could signify ethylene or marsh gas.

C2H4可能表示乙烯或沼气。

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Crash Course 综合篇

That's your nice symmetrical double bond that you see in molecules like ethylene.

这是你在乙烯等分子中看到漂亮对称双键

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夜班医

The alcohol competes with the ethylene glycol for the receptors...

酒精会与乙二醇争夺神经末梢。

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