rate-determining step

based on the discussion of reaction mechanism, surface dehydrogenation becomes the rate-determining step, which can be accelerated by amounts of defects on the catalyst surface and then promotes the overall reaction.

通过反应机理的探讨，认为表面脱氢反应是整个反应的速率控制步骤。等离子体还原Pd/AC催化剂时，在其表面产生大量的缺陷位，加快了控制步骤的进行，从而提高转化率。

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when the degree of coverage of c_xo on the anode surface is low, the rate-determining step is the process of slow discharge of the oxygen-containing ions.

当阳极表面上C xO复盖度小时，含氧离子的放电是律速步骤。

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in addition, the rate-determining step of the catalytic n2o decomposition was also influenced by the addition of various metal oxides.

另外，添加不同过渡金属氧化物也改变了N2O催化分解反应的速控步骤。

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both anodic dissolution and passivation of nickel are irreversible electrode processes in which the charge transfers occur in two consecutive steps and the first electrochemical step is a rate-determining step.

金属Ni阳极溶解与钝化表现为电荷传递分步进行、并以失去第一个电子的电化学反应为控制步骤的不可逆电极过程。

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The rate constants of model reaction ⅱ are arranged in decreasing order: k5> k6. The migratory-insertion of silyl group to carbonyl group was proposed as the rate-determining step.

模型反应Ⅱ：k5>k5.提出了硅基对环酮羰基的迁移插入为反应的决定速率步骤。

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the surface reaction is the sole rate-determining step.

反应速率控制步骤为吸附的烷氧基与CO的表面反应控制。

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By means of non-linear regression method calculated the anodic kinetics parameters. The mechanism of anode reaction and its rate-determining step were discussed.

用非线性回归法，计算了阳极过程的动力学参数，进而讨论阳极反应机理和反应速度控制步骤。

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in the passivation region, the diffusion process of sulfide in the surficial layer is the rate-determining step of corrosion.

在腐蚀区为环烷酸腐蚀，环烷酸与金属表面的反应为速率控制步骤。

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this paper concerns the optimal standard of temperature during the reaction process and investigates the rate-determining step in the reaction process.

本文研究了反应过程的最优温度规范，并探讨反应过程的控制步骤。

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the dissolution behavior of solid nickel in static liquid zinc was studied and a natural convection model considering intermetallic compound layers formation was established to determine the rate-determining step of dissolution rate of solid nickel in liquid zinc.

通过研究固相Ni在静止的液相Zn中的溶解行为，建立了自然对流下的溶解速率模型，确定了不同温度下Ni在液相Zn中的溶解控制步骤。

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the double layer capacitance was found to be in the range from 600 to 950 μ f · cm~ (-2). these experimental data were used to discuss the rate-determining step in the anode reaction mechanism.

石墨阳极上的双电层电容在600-950μF·cm~（-2）之间，用这些数据讨论了阳极反应机理的控制步骤。

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The activation energy of the rate-determining step of the major reaction path was 365.75 kJ/ mol.

动力学支持的主反应路径为生成2-丁烯和乙烯的反应，决速步的活化能为365.75kJ/mol。

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The oxidation reaction consists of nucleophilic substitution reaction and a-elimination reaction which is the rate-determining step.

氧化反应由亲核取代反应和α-消除反应组成，α-消除反应是反应的速率控制步骤。

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the effective oxidation state of vanadate corrosion inhibitor and its rate-determining step in the passivation process of metals

钒酸盐缓蚀剂的有效氧化态及其在致钝过程中的速度控制步骤

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for pure water solvent, the weakly bonded water molecules lower the free energy barriers of rate-determining step.

对于纯水溶剂，弱结合水分子通过静电相互作用降低了决速步骤的活化自由能。

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due to different pore structures and acid sites, the energies required to complete each mechanism on different zeolites are different. the most favorable pathway might change from case to case. even for the same mechanism, the rate-determining step may vary on different zeolites.

不同的分子筛由于它们的孔道结构及酸性位分布存在差异，完成各机理所需的能量各不相同，最有利路径可能发生改变，甚至同一机理中的决速步骤也可能有所变化。

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physical process is the rate-determining step of the heterogeneous reaction.

物理扩散为该多相反应的控制步骤。

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mg diffusion in the boundary layer of molten steel is rate-determining step for the metal-inclusions reaction.

Mg在钢液边界层的扩散为钢液-夹杂物反应的速率控制环节。

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And for the whole system, Mg diffusion in the boundary at the slag-metal interface is rate-determining step.

而对整个系统来说，Mg在渣-金界面钢液边界层的扩散是夹杂物生成过程的速率控制环节。

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rate-determining step of o~ ( 2-) transportation in the ruo_2| pd| ysz| pd deno_x cell

在RuO2Pd YSZ PddeNO x电解池中O~（2-）传导的速控步骤

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the results indicated that transport of the metal ions from the organogel to the upper microemulsion was a rate-determining step for the coordination reaction.

结果表明，在由含紫脲酸胺微乳液及含金属离子微乳凝胶构成的体系中，金属离子在微乳凝胶中的传质是金属离子与紫脲酸胺配位反应的限速步骤。

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the rate coefficients of the rate-determining step of all the reaction channels have also been calculated using statistic thermodynamics and conventional transition state theory at 298 k.

同时利用传统的过渡态理论，计算了各反应通道在298K时，速控步骤的反应速率常数k（T）。

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when the mg content ( x) is lower than 0.5, the rate-determining step of the electrode reaction is the diffusion of hydrogen in bulk.

当合金中Mg含量较低时（x≤0.5），合金电极反应速度控制步骤为氢在合金体相中的扩散；

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the oxidation reaction was composed of hydrolysis reaction of benzylic halides and oxidation reaction of the resulting benzylic alcohols. the hydrolysis of benzylic halides is the rate-determining step.

氧化反应由苄基卤的水解反应和水解产生的苄基醇的氧化反应组成，苄基卤的水解反应是反应的速率控制步骤。

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