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Based on classical theory of surface diffusion and evaporation-condensation, a fi- nite element program is developed to simulate the unstable shape evolution of plate-like grains.

基于物质表面扩散和蒸发－凝结的经典理论，对板状晶粒不稳定外形的演变过程进行了有限元模拟结果表明，热蚀沟角θ＝０（无内晶界）时，板状晶粒将直接圆柱化；当内晶界存在时，存在一临界热蚀沟角θｍｉｎ；当θ＞θｍｉｎ时，板状晶粒沿晶界分离。

BCF spiral growth mechanism for the surface diffusion model was analyzed using the kinetic data of the four faces.

选取了TGS晶体的 (0 0 1) ,(110 ) ,(0 10 )和 (10 0 )四个面为研究对象 ,分析讨论了TGS晶体的表面扩散螺位错生长机制 ,发现生长基元的脱水化进入表面层过程与表面扩散过程相比 ,前者在TGS晶体的生长过程中起着更重要的作用 ;同时 ,在较高的相对过饱和度下 ,观察到了TGS自然结晶体的两种简单晶形 。

The neck equation given by the coupling model is greater than that given by surface diffusion modal.

结果表明：在相同条件下，多机制综合作用颈长方程略高于表面扩散机制单独起作用的颈长方程；多机制综合作用的对心收缩小于只考虑晶界扩散和体积扩散的对心收缩。

The discrete arithmetic and description technology of trimmed NURBS surface is presented in the paper.

以舰船及航空工业中整体叶轮的复杂曲面5轴铣削加工数控程序的自动化验证精度为研究对象,采用以离散矢量求交法为基础的曲面离散技术来完成NC验证的精度检验,得到了剪切NURBS曲面离散表达的有效算法和算法描述。

Design of On line Turbidity Measurement System Using Surface Scattering;

表面散射浊度在线测量系统设计

Research on the surface scattering properties of optical films by the total integrated scatter

利用总积分散射仪对光学薄膜表面散射特性的研究

A caustic curve or surface.

焦散曲面，焦散表面

On Scope of Essays-Nine statements of Essay as Art;

规模散文论:对散文艺术的九种表述

dispersing agent (surface-acive preparations)

分散剂（表面活性剂）

thermal and energy performance

散热表现及能量消耗

discrete Fourier series representation of discrete-time periodic sequences

离散时间周期序列的离散傅里叶级数表示

A prosaic word, phrase, or other expression.

散文体散文式词语、词组或其他表达方法

Studies on the Synthesis and Characterization of Monodispersed Nano-oxides Suspension;

单分散纳米氧化物分散液的制备与表征

The Characterization of the Random Surfaces by Speckles and the Properties of the Near-field Speckles;

随机表面的散斑标定法与近场散斑特性的研究

Prose of performance --Yu Qiuyu s theatre consciousness of prose writing;

表演的散文——谈余秋雨散文创作的剧场意识

the idea of prose appellation and significant discussion--superficial discussion about 1990s’ prose;

散文名称的表象及意义探讨——九十年代散文浅论

Fractal characterization of uniformity of discrete phase in nanocomposites

纳米复合材料分散相分散均匀性的分形表征

The crowd drifted out after the performance.

节目表演完后，人群四处散去。

Surface active agents Determination of dispersing power

GB/T5550-1998表面活性剂分散力测定方法

"Maximum thermal dissipation of the slot in Milliwatts.

"以毫瓦表示的插槽的最大温度散发。

Select a hash algorithm from the following list.

从以下列表中选择一种散列算法。

This shows continuous coalescence and redispersion.

这表明聚集和再分散在不断地进行。

I stumbled across a long-lost cousin last night in a restaurant.

我昨晚在饭店里偶遇失散多年的表妹。

film coefficient of heat transfer

薄膜传热系数表面散热系数