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Two series of tolan-type liquid crystals containing terminal cyano group were synthesized.

设计并合成了一类新型末端氰基取代含氟二苯乙炔类液晶。

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

了乙烯基醚类化合物的三种主方法乙炔法、脱卤化氢法和缩醛热分解法。

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States the latent hazardness of such hydrocarbons as acetylene in air separator, and presents the preventive measures in normal production.

乙炔以及碳氢化合物空分装置中具有的险性,并提出正常生产中的预防措施。

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Single chamber high pressure gas quenching vacuum furnace,double chamber and multichamber vacuum furnaces implementing the acetylene low pressure carburizing were briefly introduced.

介绍了实施乙炔低压渗碳的单室高压气淬真空炉,双室及多室真空炉。

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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.

乙炔二氰与蒽环加成反应合成了11,12-二氰-9,10-二氢-9,10-亚乙烯基蒽(4),4分子4自身加成聚合了一种全新凹型四氮杂口卜啉结构化合物。

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Two kinds of polymerizable liquid crystal compounds have been prepared successfully in the paper, one is tolan-type liquid crystal compound, another is a phenylcyclohexanethyl liquid crystal compound.

以碘代烷氧基苯与烷基苯乙炔为中间体,采用为催化剂偶联的方法合成了二苯乙炔类液晶化合物。

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爱驻我心

He had an acetylene torch for cutting thick steel plates and beams.

他还有一台炬,来切割厚钢板和粗钢条。

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宇宙奥秘

If you use Acetylene as a fuel, wheel vehicles are also possible.

如果你使作为燃料,轮式车辆也是可以在这里行驶

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宇宙奥秘

The substance Acetylene which decomposes with the release of heat is at the bottom of Titan's legs.

随着热量释放而分解物质在土卫六底部。

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生活(视频版) 第1季

Raj and I will get the oxyacetylene torch.

我和拉杰搞定氧喷焊器。

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别对我撒谎

Dropped through the substructure by Mr. Blunt.

喷灯罐爆了。

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SciShow - Chemistry

Researchers are still looking for practical uses for ortho-diethynylbenzene dianion.

研究人员仍在寻找邻二基苯双阴离子实际途。

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魔法师

The night was lurid with acetylene torches, which flamed with a dull unceasing roar.

夜晚因火炬而显得刺眼, 它发出沉闷而持续轰鸣声。

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孔雀夫人(上)

The car was sporting and rather dangerous, and the lights were powerful affairs fed by acetylene gas.

这辆车很运动, 而且相当危险, 灯是气供给西。

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生活 第1季

Raj and I will run down to my lab and get the oxyacetylene torch. Meet back here in an hour? Done. Got it.

Raj和我去实验室弄些氧炬。一小时后见?就这样。明白。

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爱驻我心

To my ears the torch hissed louder than a steam locomotive, and when he used it to cut through steel, it blew off thousands of tiny pieces of molten metal that swarmed around him like angry fireflies.

在我听来,那炬发出切割声比蒸汽机火车头发出声音还要,当他它切割钢材时,无数熔化了金属粉末状液滴喷射出来,在他周围飞溅,就像一群愤怒萤火虫。

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经济学人 Business

This has allowed titans like basf to churn out basic chemicals, such as acetylene and ammonia, which in turn fuelled the Mittelstand's manufacturing powerhouses; industry still makes up 27% of gdp, compared with about 17% in Britain and France.

这使得像巴斯夫这样巨头能够量生产和氨等基础化学品,这反过来又为中型企业制造强国提供了动力; 工业仍占国内生产总值 27%, 而英国和法国这一比例约为 17%。

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