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甲烷分解
相关语句
  methane decomposition
     The experimental aim is to research the time characteristic of methane decomposition and C2 hydrocarbons formation, as well as to find the controllable macroscopic parameters which affect the quantity of C2 hydrocarbons formation.
     针对等离子体化学反应的特点和目前所掌握的资料,实验从基本做起:探索甲烷分解和碳二烃形成的时间特性,寻找影响碳二烃生成量的可控制的宏观因素。
短句来源
     Methane decomposition was effective under conditions of DC discharge plasma.
     实验结果表明:在直流放电条件下,对甲烷分解是有效的。
短句来源
  decomposition of methane
     The adsorptive activation of methane on transition metal catalysts was systematically investigated via TPSR, together with the surface carbonaceous species after the decomposition of methane.
     采用程序升温表面反应(TPSR)手段,系统地探讨了甲烷在过渡金属催化剂上的吸附活化特征,并对甲烷分解后产生的表面碳物种进行了考察。
短句来源
     The adsorption and activation of methane on the silica-supported palladium catalyst was systematically studied by TPSR spectroscopy,and the surface carbonaceous species formed in decomposition of methane were also investigated.
     采用程序升温表面反应(TPSR)手段,系统地探讨了甲烷在贵金属催化剂上的吸附活化特征,并对甲烷分解后产生的表面碳物种进行了考察。
短句来源
  “甲烷分解”译为未确定词的双语例句
     Based on the CARS intensity change of the Vi band of SiH4 we have studied the effects of EF power and total gag pressure on the dissociation rates of silane in SiH4-H2 and SiH4-N2 systems.
     基于硅甲烷v_1振动模CARS信号强度的变化,研究了SiH_4-H_2及SiH_4-N_2体系中射频功率及总气压对硅甲烷分解速率的影响.
短句来源
     The effects of temperature and time on the nature of carbon deposition over Ni/Al2O3 catalyst were investigated using an on-line quadruple mass spectrometer method.
     用在线质谱法研究了Ni/Al2O3催化剂上甲烷分解温度和时间对积炭的影响。
短句来源
     The results show that La 2O 3\|Ni/MgAl 2O 4 catalyst has less carbon deposition by boudouard reaction than that of Ni/MgAl 2O 4 catalyst. The amount of carbon deposition by CH\-4 pyrolysis on the reduced Ni/MgAl 2O 4 catalyst is 4.28 times of that on La 2O 3\|Ni/MgAl 2O 4 catalyst.
     结果表明 ,在相同处理条件下 ,Ni/MgAl2 O4 催化剂上CO的歧化程度远高于La2 O3 Ni/MgAl2 O4 催化剂 ,Ni/MgAl2 O4 催化剂上甲烷分解产生的积炭量是La2 O3 Ni/MgAl2 O4 催化剂上的 4.2 8倍。
短句来源
     In addition, the dissociation intermediates of silane have been detected by CARS technique with good signal to noise ratio and tentative assignment of the CARS spectrum has been made.
     此外,还用CARS方法检测硅甲烷分解的中间产物,得到信噪比较好的光谱,并试作了初步归属.
短句来源
     This reaction is an attractively novel route for utilization of methane.
     本文还探讨了不同催化剂上甲烷的吸附条件以及CO与甲烷分解所产生的表面碳物种间的反应行为.
短句来源
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  相似匹配句对
     KINETICS OF METHANE HYDRATE DECOMPOSITION
     甲烷水合物分解动力学
短句来源
     Methane Hydrate Dissociation at Normal Pressure
     甲烷水合物常压分解
短句来源
     By decomposing D((?)
     通过分解D((?)
短句来源
     separating the demonstration and explaining it;
     分解示范;
短句来源
     An Ogticai Fiber Based Telemetering System for Methane
     甲烷光纤遥测系统
短句来源
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  methane decomposition
A Study of Methane Decomposition over Ni-Si-Containing Catalysts
      
Although the total methane decomposition rate was lower in this case, conversion into benzene turned out to be a few times greater than in the previous experiment.
      
Effect of Interactions between Components in Nickel-Silica Catalysts on the Yield of Carbon in Methane Decomposition
      
At the same time, they were inactive in the formation of graphite-like carbon in both methane decomposition and CO disproportionation.
      
The nanocomposite was synthesized by molding nanodiamond powder with subsequent binding of diamond nanoparticles by pyrocarbon formed as a result of the heterogeneous chemical reaction of methane decomposition.
      
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  decomposition of methane
It was found that an increase in the interaction between components in the catalytic system decreased the ability of nickel to accumulate carbon in the decomposition of methane.
      
Results are presented from studies on plasma catalysis of the decomposition of methane into hydrogen and carbon in a repetitive microwave discharge.
      
The chemical behavior of nanofibrous carbonaceous materials prepared by the catalytic decomposition of methane was studied by IR spectroscopy, X-ray photoelectron spectroscopy, and titration.
      
The decomposition of methane is caused by collision by excitation of unstable electronic state.
      
PECVD of diamond-like carbon (a-C:H) from the decomposition of methane in a high-density inductively coupled discharge
      
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  dissociation of methane
The1,3T2 cross sections for CH4 correlate fairly well with recent measurements of CH2 production via electron-impact dissociation of methane.
      
The ratedetermining step is heterolytic C-H bond dissociation of methane on surface basic sites of the catalysts.
      
The presence of a high average number of deuterium in the desorbing methane suggested a widespread dissociation of methane.
      
The dissociation of methane is readily measurable at 473-673 K.
      
Probably the partially oxidized species (Rh+) or highly dispersed Rh3+ entities act as active surface centers for the dissociation of methane.
      
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Coherent anti-Stokes Raman spectroscopy has been used for in-situ diagnosis of Tadiofrequency discharge dissociation of silane. Based on the CARS intensity change of the Vi band of SiH4 we have studied the effects of EF power and total gag pressure on the dissociation rates of silane in SiH4-H2 and SiH4-N2 systems. In addition, the dissociation intermediates of silane have been detected by CARS technique with good signal to noise ratio and tentative assignment of the CARS spectrum has been made.

应用相干反斯托克斯喇曼光谱(CARS)技术对硅甲烷(SiH_4)的射频放电分解进行在位诊断.基于硅甲烷v_1振动模CARS信号强度的变化,研究了SiH_4-H_2及SiH_4-N_2体系中射频功率及总气压对硅甲烷分解速率的影响.此外,还用CARS方法检测硅甲烷分解的中间产物,得到信噪比较好的光谱,并试作了初步归属.

he homologation of ethylene with methane on supported transition metal catalysts was investigated by using transient response characterization (TRC), temperature programmed pulse reaction (TPPR) and constant temperature pulse reaction (CTPR) of probe molecule CH3I. The different factors which greatly affect the reaction were also studied. A tentative approachwas to split the overall reaction into two steps occurring under moderate conditions. At first, methane decomposed to form carbonaceous species on thesurface...

he homologation of ethylene with methane on supported transition metal catalysts was investigated by using transient response characterization (TRC), temperature programmed pulse reaction (TPPR) and constant temperature pulse reaction (CTPR) of probe molecule CH3I. The different factors which greatly affect the reaction were also studied. A tentative approachwas to split the overall reaction into two steps occurring under moderate conditions. At first, methane decomposed to form carbonaceous species on thesurface of the transition metals, then ethylene was introduced to homologatewith the surface carbonaceous species. In such a two-step route, the kineticlimitation can be overcome and the homologation of ethylene with methanemay be practically achieved, Platinum and cobalt catalysts favor the homologation of ethylene with methane.

利用程序升温脉冲反应技术较系统地考察了担载型过渡金属催化剂上甲烷与乙烯同系聚合制丙烯和丙烷的反应.通过分步反应,即首先进行甲烷分解,然后引入乙烯与甲烷分解产生的表面碳物种反应,可以克服甲烷与乙烯同系聚合反应的动力学限制,使该反应能在较为温和的条件下进行.还系统地探讨了影响该反应的各种因素.结果表明,Pt,Co.催化剂表现出较为优越的催化性能.

Direct carbonylation of methane on silica supported transition metal catalysts was preliminarily investigated by using the temperature programmed pulse reaction (TPPR). An important approach is to split the overall reaction into two reaction steps occurring under moderate conditions. Methane decomposition on transition metal surface was first employed to form surface carbonaceous species. Then the CO syn gas(95%CO+5%H 2) was introduced to interact with surface carbonaceous species to produce aldehyde. In...

Direct carbonylation of methane on silica supported transition metal catalysts was preliminarily investigated by using the temperature programmed pulse reaction (TPPR). An important approach is to split the overall reaction into two reaction steps occurring under moderate conditions. Methane decomposition on transition metal surface was first employed to form surface carbonaceous species. Then the CO syn gas(95%CO+5%H 2) was introduced to interact with surface carbonaceous species to produce aldehyde. In such a two step route the thermodynamic limitations can be overcome and the direct carbonylation of methane may be effectively achieved. This reaction is an attractively novel route for utilization of methane. Optimization of this process would result in a new route for effective ultilization of methane.

用程序升温脉冲反应技术,较系统地考察了担载型过渡金属(Fe、Co、Ni)催化剂上,甲烷直接羰基化制乙醛的反应,研究发现,通过采用总反应分解法操作后,能够克服甲烷直接羰基化反应的热力学限制,将总反应转化为两个可在较温和条件下发生的反应,首次实现了CH4+CO→CH3CHO的反应.即首先进行甲烷的分解,然后引入CO使其与甲烷分解所产生的表面物种直接反应生成乙醛.还探讨了甲烷吸附条件、CO与甲烷分解所产生的表面碳物种间的作用等反应的影响因素

 
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