The cost of ethyne from natural gas is compared with that of ethyne from calcium carbide in this paper. The research of acrylic acid and 1,4-butanediol series products synthesized by ethyne is the emphasis of this paper.

Natural gas is important chemical material and is used as feed to produce synthesis ammonia, methanol and ethyne.

天然气是化工的重要原料，以天然气为原料生产合成氨、甲醇、乙炔三大产品。

The products of the catalytic reduction ethyne by nitrogenase in D2O were studied by 1H NMR.

用~1H NMR研究了固氮酶在重水中催化还原乙炔的反应产物氘代乙烯。

Increasing added quantity of ethyne carbon in the propellants can enhance the burning rate and lower the pressure exponent of the propellant in the pressure range of 3~ 20MPa.

增加乙炔碳黑含量可使推进剂在3~20MPa压力范围内的燃速提高，压力指数降低。

The Study of the Anti interference of Ammonium Thiocyanate on Determining Chromium by Air Ethyne Flame AAS

硫氰酸铵在原子吸收法测定铬时的抗干扰作用

There is neither residue problem with ethyne in grain fumigated, nor effect on both quality of grain and germination capacity of seeds.

熏蒸后的粮食无残留，不影响粮食食用品质，对种籽粮无药害。

Catalytic Action of Binuclear Ti-H Complexes in Hydrogenation of Diphenyl Ethyne

双核钛氢络合物在二苯乙炔加氢反应中的催化作用

The research on the reaction of ethyne and bromine water

乙炔和溴水反应的研究

Gas chromatographic determination for the gas content of hydrogenium, carbon monoxide, carbon dioxide, methane, and ethyne in the gas from the calcium carbide furnace

气相色谱法测定电石炉气中氢气、一氧化碳、二氧化碳、甲烷、乙炔气体含量

The results indicate that when detonation frequency and gas-flow rates of oxygen ( O_2) and ethyne ( C_2H_2) were lower, the coat was rough and had lower hardness, and its distance between commutator segments was bigger and porosity was higher;

结果表明，当爆炸频率和氧、乙炔的气体流量较低时，涂层比较粗糙，片层间距较大，气孔较多，硬度较低；

Development on Mixed Gas Reference Material of Carbon Monoxide, Carbon Dioxide And Ethyne in Ethylene

乙烯中一氧化碳、二氧化碳和乙炔混合气体标准物质的研制

Analysis on the Causes of Transnormal Ethyne in the Transformer Oil

变压器油乙炔含量超标原因分析

Synthesis of Liquid Crystal Containing C_2 Bridge of 1,1-difluoroethane or Ethyne Group

含1,1-二氟乙撑基和乙炔基的C2桥键类液晶的合成

As the gas detonating shock wave soot-blowers usually use ethyne as fuel, so introduce ethyne's characteristic, such as ignition point emphases, ignition energy, explode limit, detonating of disassemble and the ability of transmit.

由于燃气冲击波吹灰器通常使用的燃料为乙炔，着重介绍了乙炔的燃点、点火能、爆炸极限、分解爆炸性、传爆能力等方面的特性。

The technical points of earth design for lightening protection in ethyne station and their functions are introduced.

从乙炔站的生产安全出发，探讨了乙炔站防雷接地设计的技术要点，其方法简单，可操作性强，可供乙炔生产厂家设计建厂借鉴应用。

Acetylene ( ethyne) Simplest alkyne, C2H2. A colourless, flammable, explosive gas, it is used as a fuel in welding and cutting metals and as a raw material for many organic compounds and plastics.

乙炔：最简单的炔（C2H2），无色可燃气体，广泛用作金属焰焊接和切割的燃料，也是合成许多有机化学品和塑料的原料。

When oil price keeps high, ethyne chemical industry has the obvious competitive advantage in some fields.

在石油价格居高不下的情况下，乙炔化工在某些领域将具有明显的竞争优势。

The recent literature concerning oxidation of CO, hydrochlorination of ethyne, selective hydrogenation of crotonaldehyde, water-gas shift reaction and reduction of nitrogen oxides on supported gold catalysts is briefly reviewed in this article.

概括地介绍了近期发表的关于金负载催化剂成功地用于催化CO氧化，乙炔氢氯化，丁烯醛选择加氢，水煤气转换和氮氧化物还原等反应的例子。

Then, spray into air-ethyne flame, and determine.

然后，直接喷入空气-乙炔火焰中进行测定。

Analysis on the Dangerous and Harmful Factors in the Production Process of the Ethyne

乙炔生产过程的危险有害因素分析

1H NMR Study on the Products of the Catalytic Reduction of Ethyne by Nitrogenase in D_2O

重水中固氮酶催化还原乙炔产物的~1H NMR研究