diffusion的例句大全

Because of its much larger external surface area and much smaller pore diameter than granular carriers, it is expected to benefit diffusion-controlled fast surface reactions.

因为纤维催化剂比粒状催化剂的外表面积大得多，而直径却小得多，因而予计对扩散控制的快速表面反应是有利的。

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Diffusion Effect of Foreign Substance iu Annealing Proeess of BaF_2 Crystal

氟化钡晶体退火时的杂质扩散效应

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A non-local delayed reaction-diffusion model for a single species with stage structure is studied.

研究一个具有阶段结构的非局部时滞单种群人口模型。

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Epithelial-cadherin ( E-CD) is considered as an important neoplasitc metastasis inhibitory oncogene which can improve cellular adherence and maintain the normal shape of the tissue. The downward expression and loss of E-CD can both lead to diffusion of tumor cell.

表皮钙粘蛋白（epithelial-cadherin，E-CD）被认为是一种重要的肿瘤转移抑制基因，具有提高细胞粘附性，维持组织正常形态的功能，其表达下调或丢失可导致肿瘤细胞的扩散。

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Results indicated that the water diffusion speed in adhesive/ c-c composites joints treated by sand paper was faster than that treated by chemical oxidation and by silane couple agent treatment.

结果表明，经偶联剂处理的碳/碳复合材料耐久性能要好于化学氧化和砂纸打磨处理，这与剪切强度测试结果相一致。

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A general method for finding the Mean first passage time of go neral diffusion processes driven by shot noise is suggested.

本文对散粒噪音驱动的一般扩散过程作了系统分析，为求平均首通时间提出了一个一般化的方法。

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Based on the skew direction difference operator, the implicit skew difference schemes were constructed, and the boundary condition was unified, to solve the diffusion equation.

采用斜向差分算子，建立斜向隐式差分格式，再结合边界条件，对扩散方程进行求解。

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Ab initio Study of Adsorption and Surface Diffusion of a Hydrogen Atom Near the Step on a Stepped Lithium Surface

氢原子在金属锂表面台阶附近吸附和表面扩散行为的AB INITIO研究

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Surface Diffusion of a Hydrogen Atom on Smooth Lithium ( 100) Surface Using ab initio Cluster Study

氢原子在平坦金属锂（100）面上表面扩散行为的AB INITIO研究

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Based on the large scale interplanetary solar magnetic sector, this paper describes a new "sector coordinate system" in which equations of solar cosmic ray propagation were derived and one of the diffusion models discussed.

本文以行星际大尺度扇形磁场为基础，建立了研究太阳宇宙线在行星际传播较合理的扇形坐标系，并导出了太阳宇宙线在这种坐标系中的传播方程。

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At the stage of its germination, diffusion, grow, development, natural environment and social environment have different degrees influence on it.

在它产生、传播、成长和发展的每一个阶段，自然环境和社会环境都对它产生不同程度的影响。

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Basing on Fujian province, the author combines the history with the current situation, applies the theories of sociology, the social diffusion and social psychology to the social investigations, works on the Internet Diffusion and Min-Tai communication by comparison and by contrast.

笔者立足福建，结合历史和现实，运用社会学、社会传播学、社会心理学等理论，进行社会调查，采用对比分析和比较研究的方法来研究互联网传播与闽台交流这个课题。

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Thermal diffusion of silver in 10N-EXCHANGED soda lime glasses

银在离子交换过的钠钙玻璃中的热扩散

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Soda leaching process of roasted samples can be described by the unreacted shrinking core model and is controlled by internal diffusion; the apparent activation energy is 51.75kJ/mol.

钙化焙烧渣碳酸钠浸出过程可用未反应收缩核模型来描述，在浸出过程中受扩散控制，反应的表观活化能为51.75kJ/mol。

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The micromechanism for superplastic bonding of steels was suggested as the disappearance of original bond interfaces caused by atomic diffusion and grain sliding superplastic deformation.

通过接头显微组织分析，提出了钢超塑性固相压接机制为超塑变形的晶粒滑动和原子扩散造成的原始界面消失。

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The α/ β two-phase brass was investigated for its properties in the temperature range of superplastic deformation. Experimental results show that the boundary diffusion dominates the deformation process, and the boundary sliding is the main deformation mechanism.

对α/β两相黄铜在超塑变形温度区间的特性进行了研究，结果表明：在超塑变形Ⅱ区，界面扩散控制着变形过程，界面滑动为主要变形机制；

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The dislocation sliding in grain and diffusion creep, as two kinds of important coordination mechanism, promote the development of grain-boundary sliding. The superplastic deformation mechanism accords with the model of dislocation coordinating grain-boundary sliding.

晶内位错滑移和扩散蠕变作为重要的协调机制，促进了晶界滑动的顺利进行.该合金的超塑性变形机制符合位错协调晶界滑动模型。

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The study indicates that, the slippage effect is a combined result of gas molecule slip on capillary wall and gas molecular diffusion inside capillary tube, and also a result of combination of concentration and pressure fields.

研究认为，气体滑脱效应是毛细管壁处气体分子滑流和毛细管内部气体分子扩散的综合效应，是浓度场和压力场作用叠加的结果。

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Gas flow equation in porous media with a slippage effect was presented, combining with molecular diffusion theory. It is a theoretical foundation for further study on permeable theory, reservoir engineering, and performance analysis in low gas permeability reservoirs.

在考虑了气体渗流的特点后，结合分子扩散理论得到了考虑滑脱效应的气体渗流速度方程，为进一步开展低渗透气藏渗流理论研究，油藏工程研究和动态分析建立了基础。

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Slump , slump flow , comprehensive strength and chlorine diffusion are tested.

检验了坍落度 、 动性 、 合强度和氯离子扩散作用.

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