有奖纠错
| 划词

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性。

评价该例句:好评差评指正

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酸二酯(DMT)单体和乙二醇。

评价该例句:好评差评指正

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)。

评价该例句:好评差评指正

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?睦胱拥幕?理进行聚合。

评价该例句:好评差评指正

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.

析了影响中国石油抚顺石化乙烯乙烯装烷塔运行的主要因素,并针对乙烯改造后烷塔存在的问题进行了探讨。

评价该例句:好评差评指正

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性,而凋谢的花枝易产生乙烯加速衰败。

评价该例句:好评差评指正

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,例如次氮基三乙酸酯(NTA)或者是乙二胺四乙酸酯(EDTA),这些螯合剂易于形成水溶性的金属螯合物。

评价该例句:好评差评指正

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.

丙烷是乙烯生产过程中离工段的一个工艺步骤,其目的是将C_3和C_4以上组离。

评价该例句:好评差评指正

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,研究了乙烯共聚单体含量的变化对VERSIFY共聚物结晶性能、力学性能和粘弹性能的影响。

评价该例句:好评差评指正

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,再与乙二醇缩醛化得到3-溴代丁醛缩乙二醇,收率80.8%。

评价该例句:好评差评指正

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料制取醇、乙醇、乙二醇等产品的方法,指出了合成气是石油化工的新原料。

评价该例句:好评差评指正

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

将乙二肟溶于乙二醇,通入氯气,生成稳定的二氯乙二肟溶液,这种方法制备的二氯乙二肟贮存稳定,产率高。

评价该例句:好评差评指正

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乙胺基的活性,结合一些钙拮抗剂含乙二胺结构的特征,设计合成了5个酚苄明衍生物。

评价该例句:好评差评指正

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的色谱仪聚乙二醇20M色谱柱对氯乙醇的定量测定方法。

评价该例句:好评差评指正

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

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

评价该例句:好评差评指正

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

以醋酸和乙二醇单乙醚为原料,活性白土负载磷钨酸作为催化剂,合成了乙二醇单乙醚醋酸酯。

评价该例句:好评差评指正

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

研究了乙烯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。

评价该例句:好评差评指正

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。

评价该例句:好评差评指正

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

研究了以乙二胺和硬脂酰氯为原料制备乙撑双硬脂酰胺的反应,讨论了原料配比、反应时间、反应温度的影响。

评价该例句:好评差评指正

用户正在搜索


fumbler, fume, fumed, fumeless, fumeoff, fumeroot, fumes, fumet, Fumette, fumeus,

相似单词


3G, 401(K), a,

声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。

科学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.

这其中的奥妙在于随着这些实的会释放乙烯,而乙烯反过来会加速实的

评价该例句:好评差评指正
Scishow 精选系列

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

比如说防冻剂里面的乙二醇。

评价该例句:好评差评指正
机智生活百科

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

评价该例句:好评差评指正
科普小杂文

These are combined in a chemical reaction to create ethylene dichloride, which is turned into a gas, and then, through a process called " polymerization" , it becomes a fine, white powder called polyvinyl chloride, or PVC.

它们在化学反应中结合,生氯乙烯,变气体,然后,通过一个叫做“聚合”的过程,变一种白色的细粉末,叫做聚氯乙烯,简称PVC。

评价该例句:好评差评指正
Asap SCIENCE 精选

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

例如,当水时,它们会释放一种叫做乙烯的化学物质。

评价该例句:好评差评指正
CNN 10 学生英语 2022年11月合集

That's why a lot of times when people are like, hey, you want to ripen something, put it in a bag with a banana, because bananas produce a lot of ethylene.

这就是为什么很多时候,人们会说,嘿,想让什么东西,就把它和香蕉放在一个袋子里,因为香蕉会产生大量的乙烯

评价该例句:好评差评指正
Osmosis-泌尿

A few of the common ones being aminoglycosides—a group of antibiotics, heavy metals like lead, myoglobin released from damaged muscles, ethylene glycol—essentially anti-freeze which is naturally sweet tasting and therefore a risk for poisoning children, radiocontrast dye, and uric acid.

其中一些常见毒素是氨基糖苷类抗生素、重金属如铅、肌肉受损释放的肌红蛋白、乙二醇、放射性对比剂以及尿酸等;其中乙二醇本质上是防冻剂,有甜味,因此是毒害孩子的危险因素。

评价该例句:好评差评指正
地球实验室

Once PET plastic is broken down into its component parts, terephthalic acid, and ethylene glycol, it can then be recycled into new plastic, but it doesn't necessarily have to be plastic.

一旦 PET 塑料被分解其组部分(对苯二甲酸和乙二醇),就可以回收利用,制新的塑料,但不一定非得是塑料。

评价该例句:好评差评指正
Crash Course 植物学篇

And it turned out, the ethylene released from burning gas lamps could keep plant cells from expanding, which is a huge part of plant growth.

事实证明,燃烧煤气灯释放的乙烯可以阻止植物细胞的扩张,而这是植物生长的重要组部分。

评价该例句:好评差评指正
中高级英语短文

Some vegetables and many fruits produce ethylene gas, which can cause many other vegetables to spoil more quickly, though some are unaffected.

一些蔬菜和许多水都会释放乙烯气体,这种气体会导致许多其他蔬菜更快变质,但也有一些蔬菜不受影响。

评价该例句:好评差评指正
PBS趣味科普

It's nice for us at the grocery store, but ethylene helps plants by synchronizing ripening, to draw in hungry seed-dispersing animals.

这在杂货店对我们来说很好,但乙烯帮助植物通过同步来吸引饥饿的种子传播动物。

评价该例句:好评差评指正
Scishow 精选系列

Plastic is basically just a long chain of molecules, and when it's exposed to sunlight, UV radiation starts to break that chain down into smaller molecules like methane and ethylene, in a process called off-gassing.

塑料是由一长串分子组的,当阳光照射塑料时,紫外线会将分子链分解更小的分子,比如甲烷和乙烯,这个过程叫做脱附。

评价该例句:好评差评指正
机智生活百科

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

香蕉在过程中会产生乙烯气体。

评价该例句:好评差评指正
科普小杂文

Well, vinyl is a plastic made from two basic compounds: chlorine, which is also found in salt, and ethylene which is found natural gas.

氯乙烯是一种由两种基本化合物制的塑料:盐中发现的氯,和天然气中发现的乙烯

评价该例句:好评差评指正
CNN 10 学生英语 2022年11月合集

This is because bananas are climacteric foods, which means they produce a lot of ethylene.

这是因为香蕉是后型水,它们会产生大量的乙烯

评价该例句:好评差评指正
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 其他化学品的生产工艺,比如乙烯和丙烯。比如乙烯和丙烯。

评价该例句:好评差评指正
Crash Course 植物学篇

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

让我们从乙烯——唯一一种植物激素是气体。

评价该例句:好评差评指正
科学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.

如今掌握高科技技术的农民们也许会将有待实放在密闭容器中然后释放用水乙烯样本。

评价该例句:好评差评指正
科学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的推移而改变,且与水释放的乙烯保持一致

评价该例句:好评差评指正
Crash Course 植物学篇

And if you keep your green tomato next to a bunch of bananas, ethylene will deliver you a ripe tomato very soon.

你把一个绿番茄放在一串香蕉旁边,乙烯很快就会带给你一个的番茄。

评价该例句:好评差评指正
加载更多

用户正在搜索


fumigating, fumigation, fumigator, fuming, Fumiron, fumitory, fumose, fumulus, fumy, fun,

相似单词


3G, 401(K), a,
  • 微信二维码

    关注我们的微信

  • 手机客户端二维码

    下载手机客户端

赞助商链接