有奖纠错
| 划词

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

论述烯基醚类化合物的三种主要制备方法炔法、脱卤化氢法和缩醛分解法。

评价该例句:好评差评指正

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,烯基产品,蜡烛,染发剂和其他产品。

评价该例句:好评差评指正

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

分别阐述丙烯和四代烷基烯基醚共聚物的结构和力学学、辐射、化学性能。

评价该例句:好评差评指正

The bulk and solution photopolymerization of vinyl butyl ether were studied using diph-enyl-4-thiophenoxyphenyl sulfonium salt (DPTS) as photoinitiator.

以二苯基-4-苯硫基代苯基硫鎓盐(DPTS)为光引发剂,烯基正丁醚的本体和溶液光聚合。

评价该例句:好评差评指正

An efficient palladium-cocatalyst system for vinylation of unsaturated carboxylic acid has been exploited,among which aliphatic amines(ALA)are firstly used as cocatalysts.

以醋酸钯/邻菲洛林/脂肪胺为催化体系,丙烯酸和烯酯为原料,通过烯基交换反应制备丙烯酸烯酯。

评价该例句:好评差评指正

A novel family of ester acetal molecular glass materials has been created by the reaction between monocarboxylic acid and divinyl ethers.

通过一元羧酸和二烯基醚的反应,我们得到一种新颖的酯缩醛结构分子玻璃。

评价该例句:好评差评指正

Thirteen new compounds of the alkyl styryl indoline spirobenzopyrans were synthesized from the condensation of 2-methylene indoline with the designed salicylaldehyde.

利用2-亚甲基吲哚啉和取代水杨醛缩合得到十三种新的烷基苯烯基吲哚啉螺苯并吡喃。

评价该例句:好评差评指正

Ethyl phenylacrylate intermediate bringing a double bond was introduced first,which is subsequently transformed into triketone and then DCM was obtained with high purity.

采用具有烯烃骨架的β-苯基丙烯酸酯为中间体先引入双键,再经过三酮合环制备烯基吡喃。

评价该例句:好评差评指正

Flame retardant vinyl ester resin using tetrabromo bisphenol A, epichlorohydrin, acrylic acid as raw materials was also synthesized, Its flame retardant property was excellent.

用四溴双酚A、环氧氯丙烷和丙烯酸为原料合成阻燃型烯基酯树脂,其阻燃性能良好。

评价该例句:好评差评指正

Effects of polyvinylamine prepared by basic hydrolysis of poly(N-vinylformamide) on paper strength, drainage and retention of reed pulp and wheat straw pulp were investigated.

由聚N-烯基甲酰胺的碱性水解得到的聚烯胺在芦苇浆和麦草浆造纸中对纸张的增强、助滤和助留作用。

评价该例句:好评差评指正

Dicyano 9,10 dihydro 9,10 ethenoanthracene(4) was synthesized by addition reation of acetylenedinitrile and anthracene. Concave tetrazaporphyrin has been obtained from the four molecules of 4.

炔二氰与蒽环加成反应合成11,12-二氰-9,10-二氢-9,10-亚烯基蒽(4),4分子4自身加成聚合制备一种新凹型四氮杂口卜啉结构化合物。

评价该例句:好评差评指正

用户正在搜索


holdor, holdout, holdover, hold-over, holds, holdup, hold-up, hole, holeable, hole-and-corner,

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。

大风哥带你看电影学英语

So Schultz will create fake ones out of vinyl.

所以舒尔茨用乙烯基假袋子。

评价该例句:好评差评指正
Vox 观点

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乙烯基等新产品。

评价该例句:好评差评指正
连线杂志

On the backend, they normally have a vinyl top, at least in the States.

在后端,们通常有一个乙烯基顶部,至少在美国是这样。

评价该例句:好评差评指正
科学60秒-科学美国人 2019年2月

They affixed a vinyl sticker in the middle of each diamond to insulate the electrodes from one another.

们在每个菱形电极中间贴上乙烯基贴纸,使电极彼此隔离。

评价该例句:好评差评指正
VOA常速英语_科技

And due to increasing COVID rates, in here, we have the masks and vinyl gloves for you.

由于新冠肺炎感染率不断上升,在这里,我们为您准备口罩和乙烯基手套。

评价该例句:好评差评指正
VOA慢速英语_科技

Kang said a chemical could be developed to block 4VA 's effects to prevent swarming.

康乐表示,可以研发出一种化学物质来阻止4-乙烯基苯甲醚发挥作用,继而防止形成蝗虫群。

评价该例句:好评差评指正
双语版 TED-Ed 讲精选

These sturdy shopping bags consist of polyester, vinyl, and other tough plastics, and are already used worldwide.

这些坚固的购物袋由聚酯、乙烯基和其硬塑料组成,而且已经在世界范围内使用。

评价该例句:好评差评指正
新版留学预备听说2级

We make most of our wallscapes on vinyl, a kind of strong plastic.

我们用乙烯基制作大部分墙面,乙烯基是一种坚固的塑料。

评价该例句:好评差评指正
2009 ESLPod

These were large black discs made out of vinyl.

这些是由乙烯基制成的黑色大圆盘。

评价该例句:好评差评指正
Unconfuse Me with Bill Gates

Speaking of vinyl, we've got a turntable here.

说到乙烯基, 我们这里有一个转盘。

评价该例句:好评差评指正
明星们的购物狂欢

Limited addition, double bubblegum pink vinyl with gold splashes.

限量添加,双泡泡糖粉色乙烯基,带有金色飞溅。

评价该例句:好评差评指正
ket阅读

Perhaps we should look at the case of vinyl.

也许我们应该看看乙烯基的情况。

评价该例句:好评差评指正
VOA慢速英语_科技

She said one of the most exciting developments would be finding a chemical that could block the reception of 4VA.

她表示,其中一个最令人兴奋的进展是,找到能阻断4-乙烯基苯甲醚接收的化学物质。

评价该例句:好评差评指正
TED-Ed(视频版)

Soldiers wore new plastic helmet liners and water-resistant vinyl raincoats.

士兵们穿着新的塑料头盔衬里和防水的乙烯基雨衣。

评价该例句:好评差评指正
使女的故事

The bag was red vinyl and not large.

袋子是红色的乙烯基, 并不大。

评价该例句:好评差评指正
TED-Ed(视频版)

Soon after came polyvinyl chloride, or vinyl, which was flexible yet hardy.

不久之后出现聚氯乙烯或乙烯基,它既柔韧又坚固。

评价该例句:好评差评指正
GQ — 明星们的10种必需品

I got it on vinyl recently and I'm obsessed with it.

我最近在乙烯基上得到它, 我对它很着迷。

评价该例句:好评差评指正
透视百科影视类

First, the crew put vinyl wraps on the car and scratched them up.

首先,工作人员将乙烯基包裹物放在汽车上并刮擦它们。

评价该例句:好评差评指正
朗文OCLM-01单词

Vinyl flooring is available in a wide range of designs.

【design】乙烯基塑胶地板有很多种图案可供选择。

评价该例句:好评差评指正
建筑文摘

As you can see here, we have cups and we have bowls and we have vinyl.

正如您在这里看到的,我们有杯子、碗和乙烯基

评价该例句:好评差评指正
加载更多

用户正在搜索


holes, holey, Holi, holibut, holiday, holiday resort, holidayer, holidaymaker, holidays, holidayspeeches,

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