In survey of this phenomenon, using spot date, physical and mathematics stimulant method, flowage and diffusion are studied and wellbore flow and air diffusion model of CO are established.
针对这一现象，运用现场数据以及物理模拟和数学模拟方法首次通过对CO气体流动、扩散等的综合研究，建立了CO井筒流动及大气扩散模型。
Based on an analysis of rheology and mass transport principle, a mathematical model was formulated for describing the co-extrusion and diffusion process of graded index polymer optical fiber (GI POF).
基于流变学原理和质量传递原理的分析，建立了一个能够描述渐变型聚合物光纤(GIPOF)共挤扩散制备过程的数学模型。
The results showed that the vacuum boronizing pretreatment method effectively reduced the diffusion and mobility of Co in the substrates and obviously roughened the surface of the cemented carbide.
结果表明，真空渗硼预处理不仅可以有效的消除或控制钴在金刚石沉积时的不利影响，而且，还显著粗化硬质合金基体表面。
The preparation of Al, Si and other elements co-diffusion coating and the mechanism of its high-temperature corrosion resistance were went into details.
对渗铝及硅和其它元素的共渗层的制备工艺及其抗高温腐蚀机理进行了详细讨论。
We introduce a diffusion-ZGB model including the diffusion of o and co for the surface catalytic reaction of O2 and co, and eliminate the second-order phase transition naturally.
对于O_2和CO的表面催化反应，我们引入了一个包括O和CO的扩散的不可逆zgb扩散模型，非常自然地消除了二级相变点。
We introduce a diffusion-ZGB model including the diffusion of o and co for the surface catalytic reaction of O2 and co, and eliminate the second-order phase transition naturally.
对于O_2和CO的表面催化反应，我们引入了一个包括O和CO的扩散的不可逆zgb扩散模型，非常自然地消除了二级相变点。
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