DOT regulations control the amount of acetone and acetylene allowed in each size cylinder.

The process conditions of acetylene catalytic oxidation for producing oxalic acid was studied.

对乙炔催化氧化制备草酸的工艺条件进行了研究,用正交设计安排实验,得到了一组最佳工艺条件,并做了验证实验.

Highly combustible gases like acetylene shall be run individually away from other gases.

易燃气体,如乙炔,需要和其它气体分开,单独引入.

Experiment indicates that Polyflon membrane is an excellent medium for the main malfunction gas ( acetylene ) permeation.

实验表明,聚四氟乙烯是对主要的故障气体 ( 乙炔 ) 进行渗透的非常好的介质.

This thesis is concerning the acetylene production procedure through pyrolysis natural gas by thermal plasma jet.

本文报道热等离子体射流裂解天然气制乙炔过程的研究结果.

Company BDO is the world's most advanced to calcium carbide acetylene butanediol as material production facilities.

公司BDO是全球最先进的以电石乙炔为原料的丁二醇生产装置.

Acetylene is manufactured by the reaction of water with calcium carbide.

通过水同电石的反应生产乙炔.

This paper expounds the developing background of the acetylene production from coal by plasma pyrolysis.

本文论述了煤等离子体热解法制乙炔工艺技术的发展背景.

The expansion graphite replaced acetylene black as electrical core material in dry battery.

在干电池中用膨胀石墨代替乙炔黑作为电芯材料.

Please contact our technical service department if your applications involve interaction with oxygen or acetylene gases.

如果用户的应用包括氧气或乙炔气体的相互作用,请联系我们的技术服务部门.

The remaining 20 % of the acetylene production is principally used for oxyacetylene cutting, heat treating, and welding.

乙炔生产的剩余20%主要用于氧乙炔切割 、 热处理和焊接.

Approximately 80 % of the annual acetylene production of the United States is used for chemical syntheses.

美国每年生产的乙炔的大约80%用于化学合成.

The electrode added with acetylene black shows the highest specific capacity and the lowest capacity density.

就体积比容量而言,CoO作添加剂的负极最高,而乙炔黑作添加剂的最低.造成上述结果的原因在于它们的导电性、电催化特性以及松装密度的差异.

In 1968, plant began to liquefied petroleum gas ( LPG ) instead of acetylene cutting.

1968年, 该厂开始以液化 石油气 代替乙炔切割.

The results of acetylene reduction detection showed that 88.5 % were effective for nitrogen fixation.

乙炔还原活力测定结果表明,88.5%为有效根瘤.

The causes of fire and explosion at dissolving acetylene station was analyzed.

分析了溶解乙炔站火灾、爆炸的原因.

Weight ( not pressure ) is used to determine the amount of acetylene in a cylinder.

使用重量 ( 不是压力 ) 来确定钢瓶内乙炔的数量.

Can detect hydrogen, oxygen, nitrogen, carbon monoxide, methane, dioxide, ethylene, ethane, acetylene and other gases.

可对氢 、 氧 、 氮 、 一氧化碳 、 甲烷 、 二氧化碳 、 乙烯 、 乙烷 、 乙炔九种气体检测.

In a corner of the caf é, an acetylene lamp gives a flickering light.

一盏电石灯在咖啡馆的角落里闪烁不定.

Allene is an isomer of methyl acetylene.

丙二烯是甲基乙炔的一种异构体.

In the darkness, the machine gun spat a vindictive white light like an acetylene torch.

机枪在黑暗中吐出一道凶厉的白光,活象一支喷火的乙炔吹管.