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非稳态实验
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  “非稳态实验”译为未确定词的双语例句
     THE EXPERIMENTAL STUDY ON INFRARED RADIATION AND CONVECTIVE DEHYDRATED PROCESS OF PLANT MATERIALS IN AN UNSTALE
     植物性材料红外辐射与对流脱水的非稳态实验研究
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     Experiment of heat transfer within a rotating ribbed serpentine passage in unsteady cases
     旋转蛇形通道内换热的非稳态实验
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     n this work,disappering rate,adsorptive rate and adsorption equilibrium constant of propane in propane ammoxidation on V-Sb-Al catalyst were investigated by dynamic technique.
     本文利用非稳态实验方法研究了丙烷在V-Sb/A12O3催化剂上的氨氧化过程。 测定了丙烷的消耗速率、吸附速率和吸附平衡常数。
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     The unsteady state experiments show that the formation of H_2O is the most important way to remove the surface oxygen at the F-T synthesis temperature on Co/ZrO_2/SiO_2. The formation and consequent hydrogenation of C_ s is the rate-determining step in the reaction pathway, while the C-C coupling is a relatively faster elementary reaction.
     在Co/ZrO2/SiO2催化剂上的非稳态实验研究中发现,在FT合成的操作温度范围内,H2O的生成是主要的表面O的移去方式; CO解离和表面碳物种Cs加氢可能是FT合成中的重要速控步骤;
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     Unsteady State Simulation of Distillation Process
     精馏过程的稳态模拟
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     Theory of Non--Steady Electrostatic Precipitation
     稳态静电收集理论
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     THE OPTIMUM EXPERIMENTAL STUDY OF UNSTABLE DRYING KINETICS
     稳态干燥动力学优化实验
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     Simulation and Study on Unsteady Heat Transfer of Asphalt Concrete Pavement
     沥青混凝土路面的稳态传热模拟和实验研究
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n this work,disappering rate,adsorptive rate and adsorption equilibrium constant of propane in propane ammoxidation on V-Sb-Al catalyst were investigated by dynamic technique. The result showed that the procedure of acrylonitrile Synthesize via propane ammoxidation was the surface reaction of propane on the catalyst.

本文利用非稳态实验方法研究了丙烷在V-Sb/A12O3催化剂上的氨氧化过程。测定了丙烷的消耗速率、吸附速率和吸附平衡常数。实验发现:丙烷氨氧化制丙烯腈过程的控制步骤是丙烷在催化剂上的表面反应。

The comparison between the experimental visualizations by Escudier and Hide S.Koyama and numerical simulations of the development procedure of vortex breakdown in laminar swirling flow induced from a rotating endwall is presented. The experimental visualizations by Escudier were the first to reveal the presence of vortex breakdown phenomena in closed cylindrical container with a rotating lid. Afterwards, much experimental and numerical work was done in this research field. The accurate experimental measurements...

The comparison between the experimental visualizations by Escudier and Hide S.Koyama and numerical simulations of the development procedure of vortex breakdown in laminar swirling flow induced from a rotating endwall is presented. The experimental visualizations by Escudier were the first to reveal the presence of vortex breakdown phenomena in closed cylindrical container with a rotating lid. Afterwards, much experimental and numerical work was done in this research field. The accurate experimental measurements for the recurrence and development of vortex breakdown by Hide S.Koyama then make clear this phenomena. With numerical solution of unsteady axisymmetric Navier Stokes equations, the author accurately reproduces these phenomena. The numerical results are given and compared with experiments.

对于上端盖旋转圆柱空腔内旋转流动来说,当流动达到一定条件时,就会出现旋涡破裂现象。目前针对这种现象已经进行了大量的稳态和非稳态实验测量,获得了精确的实验数据。采用数值模拟方法,重现了涡破裂现象及其发生发展过程,同已经发表的相关实验数据进行了比较

Mechanistic analysis for the Fischer-Tropsch (F-T) synthesis has been conducted to resolve the tedious task in assembling a mass of model equations in its kinetic studies. Using the unity bond index-quadratic exponential potential (UBI-QEP) method, it is found that on the model cobalt-based catalyst Co(0001) surface, the surface carbide mechanism via CH_ 2,s insertion into the oxygen-free intermediates is energetically favorable. The dissociation of CO and the first hydrogenation of surface carbon have higher...

Mechanistic analysis for the Fischer-Tropsch (F-T) synthesis has been conducted to resolve the tedious task in assembling a mass of model equations in its kinetic studies. Using the unity bond index-quadratic exponential potential (UBI-QEP) method, it is found that on the model cobalt-based catalyst Co(0001) surface, the surface carbide mechanism via CH_ 2,s insertion into the oxygen-free intermediates is energetically favorable. The dissociation of CO and the first hydrogenation of surface carbon have higher active barriers than the other elementary steps. The unsteady state experiments show that the formation of H_2O is the most important way to remove the surface oxygen at the F-T synthesis temperature on Co/ZrO_2/SiO_2. The formation and consequent hydrogenation of C_ s is the rate-determining step in the reaction pathway, while the C-C coupling is a relatively faster elementary reaction. There are more carbon pools for the methane formation, and the deviation of the methane product from the classical Anderson-Schulz-Flory product distribution might be due to the multiform carbon pools. Combining the results of theoretical and experimental analysis, a framework of F-T synthesis mechanistic models is obtained. This framework is similar to the surface carbide mechanism, in which the CO_s dissociation or the surface carbon hydrogenation is the rate-determining step, and the CH_ 2,s insertion produces the final hydrocarbons. But the detail forms of the oxygen-free intermediates (alkyl or alkylidene) in the carbon chain propagation cannot be discriminated. This will be resolved by the kinetic analysis in the next part of this series work.

采用单位键指标二次指数势(UBIQEP)方法对模型催化剂Co(0001)晶面进行了费托(FT)合成反应的反应能学分析,发现以不含氧的CxHy,s作为中间体的表面碳化物机理在能量上较为合理,而CH2,s作为链增长单体的链增长方式是能量上最有利的FT合成反应途径.在Co/ZrO2/SiO2催化剂上的非稳态实验研究中发现,在FT合成的操作温度范围内,H2O的生成是主要的表面O的移去方式;CO解离和表面碳物种Cs加氢可能是FT合成中的重要速控步骤;链增长过程是FT合成反应中较快的基元反应步骤;甲烷的生成具有多种不同活性的表面前驱体,导致生成的甲烷严重偏离经典的ASF分布规律.结合FT合成表面反应的研究结果,初步确定了FT合成动力学研究中需要考虑的机理模型的范围是以CO解离和表面碳物种Cs加氢为速控步骤,以CH2,s插入为链增长途径的表面碳化物机理.该结果缩小了待选动力学模型的范围.

 
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