查询词典 diffusion

Accordingly, we give the estimate for the life span of the solution to fast diffusion equation.

从而得到了与慢扩散方程和半线性方程的结论(来源：1919ABadC论文网www.abclunwen.com)统一的解的生命跨度的估计。

These equations can express as a uniform equation, which is called Convection and diffusion equation.

在比较各种数值求解方法后，本文选用了有限体积法。

This thesis focus on the solution to the diffusion wave equation, specific contents are summarized as follows

但直接根据扩散波方程解进行洪水演算至今尚未在实际洪水预报中得到广泛的应用。

In section 3,we summary our paper.And this paper introduces the optimal control problem for the assets evolution equation with diffusion term.

第三节，给出本文的总结，并介绍了带有扩散项的资产发展方程的最优控制问题。

In chapter 4, we investigated the existence and asymptotic behaviors of periodic solutions and steady solutions of a type of reaction diffusion equation under different conditions respectively.

在第四章中，我们分别讨论了一类时滞反应扩散方程在有时滞和无时滞的情况下其平衡态解与周期解的存在性，并得到了解的渐近行为的一些结论。

Therefore,it is meaningful to research the Numerical method of diffusion equation for suspended sediment.

在天然河道中，悬移质泥沙运动与河床的冲刷和淤积、取水排水等实际生产问题有密切联系。

The Maxwell-Stefan diffusion equation is used to study species transport of multi-component mixture gas.

再透过Maxwell-Stefan方程来计算反应气体的扩散及对流以及反应气体的生成和消耗情形。

A mass transporting equation of diffusion of CO2 into liquid-Al is proposed.

氢和Al2O3等非金属夹杂物是影响铝熔体冶金质量的关键因素

After analysis with diffusion equation under 1976 U.

然后，利用大气扩散模型，按扩散方程计算分析了该不均匀体可能发生的电离层层区。

In this paper,we study the bifurcation theory of reaction diffusion equation,we give a rigorous bifurcation analysis for a reactor model with combination of quadratic and cubic steps.

在无差速流动反应扩散模型的讨论中，对有二次项和三次项的反应模型的分歧解给出了严密的分析。

Sodium citrate; calcium carbonate; calcium hydroxide; potassium bicorbonate; magnesium carbonate; ferrous sulphate; Zinc sulphate; copper sulphate; manganese sulphate; potassium iodide; sodium selenite.

柠檬酸钠；碳酸钙；氢氧化钙；碳酸氢钾；碳酸镁；硫酸亚铁；硫酸锌；硫酸铜；硫酸锰；碘化钾；亚硒酸钠。

All this to say that I'm glad filmmaking hasn't become completely ironic. I can enjoy an ironic film as much as the next person, but they usually involve a message of some sort. One that's delivered in a smirkingly clever way that requires little in the way of talent.

所有这些都是说，我很高兴电影制作没有变成完全讽刺艺术，我可以和下一个人一样享受讽刺电影的乐趣，虽然他们经常会被划归到一定级别，技术方面不需要很高的才能。