The Synthesis and Second Nonlinear Optical Property of 1-( 2-methanthiolpyrimidyl)-2-( 4-nitrophenyl)-ethyne Compound

Analysis of impurity of spitting gas of natural gas ethyne stove by GC-MS

天然气乙炔炉喷油裂解气杂质成分的GC-MS分析

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As easy to seek the solution of flow-field which after air-ethyne mixed gas detonating. It must unbind the C-J parameter of gas-phrase detonating.

为了便于求解乙炔空气爆炸后的流场，首先对气相爆轰的爆轰参数（C-J参数）进行求解。

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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.

文中着重阐述了国内天然气制乙炔与电石法乙炔生产成本比较，重点还介绍了乙炔羰基合成丙烯酸、1,4-丁二醇系列产品的研究进展。

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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。

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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。

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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。

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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

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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。

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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

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The research on the reaction of ethyne and bromine water

乙炔和溴水反应的研究

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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

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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；

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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

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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

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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

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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。

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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。

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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。

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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。

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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。

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