乙炔

含1,1-二氟乙撑基和乙炔基的C2桥键类液晶的合成

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

重水中固氮酶催化还原乙炔产物的~1HNMR研究

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

那伙匪徒为打开金库用氧乙炔炬干了长达10个小时。

The gang worked for up to ten hours with acetylene torches to open the vault .

丙二烯是甲基乙炔的一种异构体。

Allene is an isomer of methyl acetylene .

煤在H2/Ar等离子体中直接转化制乙炔的研究

Study on acetylene preparation from coal conversion directly by plasma

脉冲CO2激光照射甲烷生成乙炔

The Generation of Acetylene by Irradiation of Pulsed CO_2 Laser on Methane

氧气-乙炔火焰法在Al2O3陶瓷上沉积金刚石薄膜

Deposition of Diamond Films on Alumina Ceramics by Oxygen-Acetylene Flame

Li在聚乙炔链间迁移对垂直电导率影响的量子化学讨论

Quantum Chemistry Discussion of the Influence of Li Migration Between the Polyacetylene Chains on the Perpendicular Conductivity

电石法PVC转化工序的转化器出口乙炔指标的确定

Control of Acetylene Content in the Converter Exit of PVC Resin Production by Carbide Process

工业硅中杂质Al、Ca、Fe的空气-乙炔火焰AAS法连测

Continuous determination of impurities al , ca and Fe in industrial silicon by Air-Acetylene Flame AAS

加强电石生产乙炔环保化促进PVC行业可持续发展

Strengthen environment protection of acetylene by calcium carbide method and promote sustainable development of PVC industry

Na掺杂反式聚乙炔中的孤子晶格的能谱与电子束缚态

Energy spectra and localized electron states of soliton lattice electron na-doped trans - ( ch ) _x

另外应该指出的是，在高功率的多模谐振腔中，甲烷偶联的C2烃产物只有乙炔。

In addition , that should be pointed out is at high power multi-mode resonator , acetylene is the only product of methane coupling in Ci hydrocarbons .

用~1HNMR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。

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

此后，研究的重点从聚乙炔转移到具有同样的pi电子的碳材料上。

Then the focus was shifted from polyacetylene to carbonaceous material , which have the same pi electrons .

Zn（Ac）2/超高比表面积活性炭催化剂上乙炔法合成醋酸乙烯宏观动力学

Macrokinetics of the vinyl acetate synthesis on the catalyst of super-high specific surface area activated carbon supported Zn ( Ac ) _2

稀土聚乙炔的ESR研究

Electron spin resonance study of rare-earth polyacetylene

Al2O3-TiO2复合载体用于乙炔选择加氢反应

Al_2O_3-TiO_2 Support for Pd Catalyst Used in Acetylene Selective Hydrogenation

钠离子注入聚乙炔（PA）中能生成pn结。本文介绍了离子注入的基本原理及其在高聚物改性中的应用。

This article introduces the basic principles of ion implantation and its application in the modification of polymers .

Pd/纤维Al1O3催化剂上乙炔加氢的研究

Study of Acetylene Hydrogenation on Palladium Alumina Fiber Catalyst

采用Cu作参考元素，测定了Na、Mg、Cr和Mo等元素在乙炔-空气火焰中的原子化度。

The degree of atomization of Na , Mg , Cr and Mo in air-acetylene flame was measured with Cu as a reference element .

高碳树脂-聚芳基乙炔（PAA）

High char resin - polyarylacetylene ( PAA )

研究了含结晶水无机物和乙炔炭黑（CB）填充聚合物复合材料的吸波性能。

The microwave-absorbing property of polymer filled with inorganic substance with crystal water and carbon black was examined .

利用SnO2中的稀土掺杂制作乙炔气敏元件

On C_2H_2 Gas Sensor Fabricated by SnO_2 Adoped Rare-earth Element

结果发现，乙炔炭黑用于制备PTC导电复合材料具有PTC效应强、炭黑逾渗值适中、加工便利的优点；

The results show that the acetylene black is suitable for preparing PTC composites with a good electricity conductivity .

用乙炔抑制-土柱培养法测定反硝化损失，不加乙炔培养则测定土壤N2O排放。

Ammonia volatilization was measured by an enclosure method , and N2O emission and denitrification loss were measured by without and with acetylene inhibition-soil core incubation technique , respectively .

考察了乙炔改性聚硅氧烷乳液消泡剂对中性墨水表面张力、密度、粘度、pH值和书写性能的影响。

The effect of defoaming agent of the acetylenic-modified polysiloxane emulsion on the surface tension , density , viscosity , pH value and writing performance of the carbon black gel ink was investigated .

乳化剂OP存在下乙炔-空气火焰原子吸收法测定人发中锶

Determination of Sr in Human Hair by Air C 2H 2 Flame Atomic Absorption Spectrometry in the Presence of Surfactant op

采用氧-乙炔焰喷熔工艺制备了碳化钨（WC）颗粒增强镍基合金喷熔层，研究了它的腐蚀磨损行为。

Ni-based alloy coatings reinforced by WC particles were prepared by oxygen-acetylene spray-welding technology . The corrosive wear behavior of the coatings was investigated .

聚乙炔（Polyacetylene）中的电导光电定心测头

The Conductance for Polyacetylenes Photoelectric Centering Probe