In this paper, a new theoretical analysis method for diffusion of interstitial atom in crystal materials has been presented.
本文提出间隙原子在晶体材料中扩散的微观过程的新的理论分析方法。
The diffusion bonding technique of titanium or titanium alloy and nonmetals is one of the central issues in materials bonding field now.
钛及钛合金与非金属材料的扩散连接技术是当前材料连接领域的热点之一。
In this paper, the present research on the surface modified the weldability of ceramic materials during brazing and diffusion welding was reviewed.
综述了表面改性在陶瓷钎焊和扩散焊领域应用的研究现状，并展望了表面改性技术在材料焊接领域的应用前景。
In order to guarantee the quality of projects, and save materials, it will play an important role to calculate effective diffusion radius of slurry in chemical grouting works.
为了保证工程质量、节约材料，对化学灌浆工程浆液扩散有效半径的计算，将起着重要作用。
The bonding technique of ceramics to metals is one of the central issues in materials engineering, and diffusion bonding is considered to be the most suitable method for bonding ceramics to metals.
陶瓷与金属的连接技术是材料工程领域的热点研究课题，而扩散连接方法被认为是陶瓷与金属连接最适宜的方法。
The diffusion bonding technique of titanium alloy to other metals is one of the central issues in materials engineering currently.
先进材料钛及钛合金与其它金属材料的扩散连接技术是当前材料连接领域的热点研究课题之一。
By analyzing the photochemical process of PMMA (PQ) photopolymer materials in detail, we present a non-local diffusion model in this thesis.
本文通过光化学产物分析了PM MA (PQ)材料的光反应过程，建立了适用于该材料的非局域扩散模型。
This article studied the convection and diffusion of polluted materials in soil using convection and diffusion equation considering the effect of percolation.
采用对流扩散方程并且考虑渗流作用的影响，研究了缓流水体底泥污染物对周围土层的影响。
PURPOSE: the spinal disks are rich in water and without blood supply, and the nutritional materials are sent to the disks by mean of diffusion.
目的：椎间盘是个富含水分且没有血供的结构，其营养成分主要通过周围血管扩散的方式供应。
PURPOSE: the spinal disks are rich in water and without blood supply, and the nutritional materials are sent to the disks by mean of diffusion.
目的：椎间盘是个富含水分且没有血供的结构，其营养成分主要通过周围血管扩散的方式供应。
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