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The physical development process of a silver salt diffusion transfer system was studied by using CCD technique.

本文利用CCD技术研究了银盐扩散转移体系的物理显影过程。

The conception of self-similarity rises in chapter 3. The definitions of self-similar processes are given in the chapter.

在第三章中我们描述了自相似的概念,给出了它的数学定义,并描述了该随机过程在数学和物理上的一些重要特征。

In order to increase student's physical sense, we plan to allow students to self-learn progressively by the camp activities.

而物理科学方面:在国中课程的学习,学生对科学探究的过程有了一定程度的体验,并具有了初步的科学探究能力。

The physical mechanism of the fractal structure evolution and the correlation between the self-organization process, solidified morphology and the negative entropy flow were discussed with the dissipation theory for the first time.

首次应用耗散结构理论讨论了分形结构产生的物理机制和非平衡条件下合金系统中负熵流与自组织过程及凝固组织形态的关系。

The new ideas from this paper: using mechanics principle study of soil, create a practical test to prove that it could change the physical mechanics character of base soil completely, reducing distortion, improving strength, and eliminating wet or sinking of base soil by seal extrusion during hole formation process at certain replacement rate; it could strengthen the loessial soil base to high bearing capacity to standard value of 300 to 400kPa through seal extrusion to hole formation technology together with rammed cement soil pile. Some value of the parameters adopted by bearing capacity calculation of the composite base of rammed cement soil pile with seal extrusion to hole formation exceeded the criteria of 'Technical Regulation on Building Ground Treatment'.(JGJ79-2002) This technology meet the design requirements and save investment.

本课题的创新点:1 利用土力学原理进行研究及理论推导,并经实践:证明了在置换率为某一定值的情况下,在成孔过程中通过挤密作用可以从根本上改变地基土的物理力学性质,使地基土的变形减小,强度提高,湿陷性消除;2 挤密成孔工艺与夯实水泥土桩的组合,可使低强度的湿陷性黄土地基变成高强度的复合地基,其承载力特征值可达 300~400kPa;3 挤密成孔法夯实水泥土桩复合地基承载力计算所采用的有关参数取值范围超出了《建筑地基处理技术规范》JGJ79-2002 中的有关规定;4 在节省投资的前提下,解决了地基高承载力、低变形及黄土湿陷性问题,达到了设计要求。

And a case of sea fog process from July 1 to July 2 is analyzed.

并对7月1—2日的一个海雾过程进行了微物理分析。

On the basis of above-mentioned theory, Lime rock specimens indifferent scale series from Hebei Jingxing is tested under uniaxial compression.Besides, through numerical simulation and test of coal specimens from Datongand Luan scale effects rule is found out. And that, physical and mechanicalcharacteristics of specimens are studied under uniaxial compression.

基于上述理论认识,通过对室内不同尺度系列的井陉石灰岩单轴压缩试验和数值模拟,以及对大同、潞安的有关煤样试验,得出了尺度效应相关规律,并对岩样在单轴压缩过程中相应的物理力学现象进行了分析研究。

Based on rolling technology of 2050 hot strip roughing mill group, a 3-D coupling thermal, mechanical and microstructural rigid-plastic finite element model had been developed by using nonlinear finite element method and physical metallurgy microstructural evolution models.

根据某厂2050热带钢粗轧机组轧制工艺,借助物理冶金组织演变模型,利用非线性有限元法开发了热连轧过程热、力、组织耦合三维刚塑性有限元模型。

The mining similar simulation experiment is one of the main method of rock pressure researches.

论文在介绍物理相似模拟技术的发展过程的基础上,分析了采矿相似模拟试验技术的发展及存在的主要问题。

Aformula which describes the transient process from beginning traveling waveto steadytraveling wave was deduced and the concept of initial traveling wave stagefirst was defined and its duration was given. It leads to a conclusion that reflectionfactor is a time dependent function, and variation range and reflection factor atdifferent stage were presented .Based on unified traveling wave theory andtransmission line model of reflective terminal with energy storage element , powerpolarity of initial traveling wave was analysed with both physical and mathematicalmethod.

通过理论推导得出从初始行波到稳态行波过渡过程的数学公式,统一了不同阶段的故障分量信号;定义了初始行波的概念,并指出了其持续时间的影响因素,针对末端含有储能元件系统,从物理和数学两方面剖析了初始行波的功率极性;通过分析提出反射系数是时变函数,给出了在不同暂态阶段行波反射系数的变化范围。

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