乙炔

Some technologies,including olefines from methanol,oxalates and ethylene glycol from carbon monoxide,carbon dioxide-based polymers,chemicals from the syngas prepared by biomass gasification,acetone and butanol by fermentation,and chemicals from acetylene,ethanol,glycerol,furfural,hydroxymethyl furfural and starch,were reviewed.

包括甲醇制烯烃，一氧化碳制草酸酯和乙二醇，乙炔化学品，二氧化碳聚合物，生物质气化合成化工产品，发酵法生产丙酮、丁醇，乙醇衍生化工产品，甘油合成化工产品，糠醛和羟甲基糠醛合成化工产品，淀粉合成化工产品等重要的石油替代化学品生产技术被介绍。

The pyrrole People have found the large quantities of conjugacy polymer in succession, such as gathering the aniline, gathering the pyrrole, gathering the thiophene , polyphenyl to prop up acetylene , polyphenyl sulphur and ether etc., after mixing, the conductance rate can reach the semiconductor or even metal conductor level .

人们相继发现了一大批共轭性聚合物，如聚苯胺、聚吡咯、聚噻吩、聚苯撑乙炔、聚苯硫醚等，经过掺杂后，电导率可达到半导体甚至是金属导体水平。

The pyrrole People have found the large quantities of conjugacy polymer in succession, such as gathering the aniline, gathering the pyrrole, gathering the thiophene , polyphenyl to prop up acetylene , polyphenyl sulphur and ether etc., after mixing, the conductance rate can reach the semiconductor or even metal conductor level .

扑(4)：中文：人们相继发现了一大批共轭性聚合物，如聚苯胺、聚吡咯、聚噻吩、聚苯撑乙炔、聚苯硫醚等，经过掺杂后，电导率可达到半导体甚至是金属导体水平。

Advantage SSRG is situated in Datong, which is base of chemical energy of coal , power and lime stone of China with great cost advantage and technology advantage. and convenient transportation.

大同地区有丰富的煤、电、电石等资源，采用电石---乙炔法生产氯丁橡胶，具有较大的成本优势；有便利的交通条件；有较强的技术优势和丰富的生产经验。

A stable kHz spark discharge plasma was used for high-efficiency conversion of methane to hydrogen and acetylene at atmospheric pressure in this study.

本论文利用稳定的大气压kHz火花放电等离子体，开展了甲烷直接转化制氢及乙炔的研究。

Feasibility, safety and economy of converting waste caustic soda from VCM production into sodium hypochlorite for purging acetylene and its employment in production are discussed on both theory and practice.

论述了氯乙烯废碱制乙炔净化用次氯酸钠从理论和实践上的可行性、安全性及经济性，并在生产中运用。

This paper deals with how thermal inertia and adiabatic effect of an object welding And what flame should be applied in oxy-acetylene welding with silver-copper solder and the high temperature area of flame are also discussed then the effect of free oxygen and free carbon on welding is analyzed.

探讨了物体的热惰性和绝热效应对焊接的影响，讨论了采用银铜焊料进行氧－乙炔焊时应该运用的火焰和火焰的高温区域。

In this study, NBPT mixed proportionally with urea and NBPT without urea were applied to the soybean plants to analyze the effect of NBPT on the soybean root growth in root vigor, root nodule number and weight, and the activity of nitrogen fixation of root nodule.

为探索利用NBPT提高大豆生长发育的途径，对施用NBPT的大豆，利用氧化还原法，乙炔还原法和凯氏定氮法分别测定了大豆根系活性，根瘤固氮活性和植株含氮量，并测定了大豆根瘤的数量和重量。

In this paper,the technological calculation of a packed bed reactor of the gasphase synthesis of vinyl acetate via the acetylene method is presented,and some factors af-fecting the operations of a reactor are discussed.

介绍了乙炔法气相合成醋酸乙烯固定床反应器的工艺计算，并对影响反应器正常运行的各种因素进行了讨论。

The change in the spectral features of SER spectra detected at more negative potential revealed that an addition reaction occurred with the carbon-carbon triple bond of phenylacetylene.

电化学现场光谱研究表明，苯乙炔分子随电位负移，碳碳叁键被加氢还原。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。