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- We present a rapid and accurate method for determiniog the diffusion activation energy of atom in the metal. By this method, the. diffusion activation energy of the hydrogy atom in OFHC high-purity copper is 2121 cal/mole. 提出了一种快速而精确地确定原子在金属内的扩散激活能的新方法,利用此方法得到氢原子在高纯无氧铜中的扩散激活能为2121卡/克分子。
- In the diffrent concentration,the diffusion activation energy isincreased with the increase of the concentration of NaCl aqueous soluti-on. It is rain. in the distilled water as 3.89KCal/mol. H~+在 NaCl 水溶液中的扩散激活能随浓度的升高而增大;在蒸馏水中最小;为3.;89千卡/克分子
- The location of Malachite green in CTAB micelles and the effects of Malachite green on the first cmc, the aggregation numbers N, the diffusion coefficients D, and the diffusion activation energies of CTAB micelles have been studied. 研究了孔雀绿(MG)对十六烷基三甲基溴化铵(CTAB)胶束的临界胶束浓度cmc，CTAB胶束聚集数N，胶束扩散系数D，胶束扩散活化能的影响以及孔雀绿在CTAB胶束中的定位。
- Keywords room temperature ionic liquid;voltammogram;diffusion coefficient;diffusion activation energy;BPBF_4; 室温离子液体;伏安曲线;扩散系数;扩散活化能;四氟硼酸正丁基吡啶;
- Keywords room temperature ionic liquid;chronoampermetry;diffusion coefficient;diffusion activation energy;BPBF_4.; 室温离子液体;计时电流法;扩散系数;扩散活化能;四氟硼酸正丁基吡啶;
- Keywords Ionic liquid;Chronoampermetry;Diffusion coefficient;Diffusion activation energy;BPBF_4; 离子液体;计时电流法;扩散系数;扩散活化能;四氟硼酸正丁基吡啶;
- Keywords polypropylene fiber;cationic dyeable;copolyester;diffusion coefficient;diffusion activation energy;dyeing;kinetics; 聚丙烯纤维;阳离子可染;共聚酯;扩散系数;扩散活化能;染色;动力学;
- diffusion activation energy 扩散活化能
- diffusion activation energy Qcd 扩散激活能Qcd
- The effect of internal diffusion of hetergeneous phase reaction on activation energy, reaction stages and reaction selectivity is discussed. 讨论了内扩散效应对非均相反应的活化能、反应级数、反应选择性等宏观动力学参数的影响。
- ENZYMES enhance reaction rates by lowering the activation energy. 酶可以使反应的活化能降低从而加快反应速率。
- The overall activation energy of copolymerization is 3. 5 kcal/mol. 聚合总活化能为3.;5千卡/克分子
- diffusion activation energies 扩散激活能
- And the apparent activation energy was calculated by the Arrhenius equation. 并利用 Arrhanius 方程测定了表观活化能。
- The calculated activation energy of TiC forming is about 94 +7 kJ/mol. 根据镀层厚度与镀覆温度和时间的关系，得出碳化钛形成的激活能为94±7kJ/mol。
- It is shown that the hydrogen diffusion coefficient, D, in 180 K>T and T>250K obeys the Arrhenius relation. The preexponential factor, D_0, and activation energy, U, have been calculated. 实验结果表明;在T>250K和T<180K的温度区间内氢的扩散系数D服从Arrhenius关系;同时计算了扩散常数D_0和激活能U。
- The diffusion and premixed gas flame are always stable in our simulations, though the premixed gas flame will oscillate for a period of time when the activation energy is artificially enlarged. 在给定的初始参数条件下，没有出现燃烧振荡。人为增大反应活化能后，出现了巨幅压力振荡，但是这种振荡难以持久，最终燃烧室熄火。
- Catalysts that lower markedly the activation energy of the reactions are required. 需要显著降低反应活化能的催化剂。
- The association chain implied is general reactivity, delocalization, heat of reaction, activation energy, velocity constant. 和该量有牵连的因素是一般活性，离域作用，反应热，活化能，速度常数。
- The results show that REcan decrease activation energy for carburizingand expedite carburization. 结果表明,稀土能降低渗碳的激活能,有利于提高其渗碳速度。
