在动态过程中，催化剂表面上的吸附物种浓度随时间而变化，从而可以获得稳态流动法所不能提供的信息。
Useful information provided by steady state flow method can also be obtained from dynamic experiment as the concentration of the absorbed species on the catalyst surface changes with time.
提出了一种新的与显式时间推进法、有限体积差分格式、粘性体积力法有效地配合使用的多重网格法来求解叶轮机械可压流动。
This paper puts forward a new multiple gird scheme, which is used with the combination of explicit time marching method, finite volume difference code and distributed body force.
并对方法的原理、试验步骤、适用范围以及对溶剂加热活化法的温度、时间和流动相流速对柱活性的影响进行了考察。
The principle and suitable range of application of the methods as well as the influence on column activation of activating Lemperature, tinge and solvent flow were investigated.
利用分断电弧过程中的电流动态特性，使用移动平均法提取了每次分断电流的燃弧时间。
According to the dynamic behavior of the breaking current, breaking arc duration is extract from the breaking current waveform by using the concept of moving average of statistics.
通过凝胶含量测定、力学性能试验以及熔体流动性能测试等手段，研究了共混（反应）时间对密炼法和挤出法反应性PP/EPDM共混合金性能的影响及其机理。
The effect of blending time on the properties of reactive PP/EPDM alloy was studied via the analysis of gel content, mechanical properties, melt flow behaviour and morphology.
从流动细节上看，半经验法给出时均流动与代表实际流动的时间精确解平均结果有一定差距。
Result shows that semi-empirical approach can give a good performance representation of averaged time-accurate solution.
应用隐式时间推进法对不同马赫数的无粘和粘性流动进行数值分析 ，给出了基于预处理方法的高阶精度隐式求解方法。
The Euler solution is obtained using time-marching method by MacCormack two-step finite-difference scheme, which has second-order accuracy in both time and space.
应用隐式时间推进法对不同马赫数的无粘和粘性流动进行数值分析 ，给出了基于预处理方法的高阶精度隐式求解方法。
The Euler solution is obtained using time-marching method by MacCormack two-step finite-difference scheme, which has second-order accuracy in both time and space.
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