micro roughness

The contact element method and original stress method were used to analyze the elastic plastic contact problem of wheel/rail with measured surface micro roughness.

采用接触单元方法 ,结合初应力法 ,采用测量获得的表面微观粗糙度 ,对轮轨弹塑性接触问题进行了研究 ,获得了轮轨的表面接触压力分布等结果。

Microcosmic study of digital human body:the identical particles of quantum human body;

数字人体微观研究——量子人体的全同粒子

Microcosmic study of digital human body-dispersion in quantum human body;

数字人体微观研究——量子人体的散射

Factors of the damage are analyzed from the microcosmic aspect,Besides,the damage caused by extraneous fluids is analyzed.

针对苏里格气田主力储气层盒8段,根据其储层特性,开展了环境扫描电镜、恒速压汞和润湿吸附等一系列岩心试验,从微观上分析了引起储层伤害的因素,同时对外来液体侵入储气层而造成伤害进行了分析研究,弄清楚了盒8段储层的微观特征及储层伤害的微观机理,对下一步储层的改造和气田开发技术政策的制定具有重要的指导意义。

Discussion of microscopic tax revenue preparation of small and medium-sized enterprise;

浅议中小企业微观税收筹划

The macroscopic property of the material differs from its microcosmic property greatly,the existing macroscopic theory is usually no longer suitable under the condition of the mesocosmic or microscopic view.

材料的宏观性能与微观性能相差甚远,已有的宏观理论在细观或者微观情况下通常不再适用;为更好地理解材料的力学性能,需要进行宏观,细观、及微观三个层次相结合的三观研究,但如何将这三个层次的现象联系起来,无论对哪一学科都还是难题。

The microscopic oil production mechanism and macroscopic oil production mechanism are discussed in this paper, the main origin for the existing remaining oil in the round of injectors is analyzed.

阐述了朝阳沟油田注水井微观出油机理和宏观出油机理,以及逆向驱油(注水井转抽)可以克服毛管力的圈闭作用和贾敏效应,证明了在毛管力作用下注水井周围的油层中存在大量的剩余油,为挖掘低渗透油田剩余油潜力提供理论依据。

The Analysis of the Microcosmic Factors of the Farmer s Professional Differentiation in Qingdao Area;

青岛地区农民职业分化微观影响因素的实证分析

This paper introduces the current actuality of the study of residual oil distribution in the world,addresses the technology of the study from the points of both micro and macro scale: the micro scale study includes physical modeling and computer modeling;and the macro scale study includes logging interpretation,3D seismic and flow unit division.

介绍了国内外剩余油分布的研究现状,从微观规模和宏观规模2个角度对剩余油研究技术进行了综述,微观规模常用的研究技术主要有物理模拟、计算机模拟等,宏观研究常用技术有测井解释、三维地震、流动单元划分等。

From the beginning of the definition of the damage variable,the definition methods of damage variable and their according damage models based on micro- and macro-theory.

文章从损伤变量定义的方法入手 ,讨论了基于宏微观理论的损伤变量定义方法及其相应的损伤模型。

And there are also many microcosmic concepts such as molecule,atom,ion,proton,neutron and electron.

化学教学中有诸如物质性质、实验现象、物质作用等宏观概念,又有诸如分子、原子、离子、质子、中子、电子等微观概念。

It attains aim of comprehensively researching metal cutting mechanism with microcosm,ration,dynamic factors and so on.

达到了对金属切屑形成机理、微观、定量、动态、多项因素综合研究的目的。

This article illustrates by the specific examples that the integral formula of Gauss s law when having insulator is a macrocosm formula under a certain condition and it can t explain microcosm.

该文通过具体例子说明了有介质时的高斯定理的积分形式是在一定条件下的宏观表达式 ,它不能解释微观现

This paper,on the basis of analyzing the characteristics of PPP financing,puts forward key research areas on micro-level,including applicability analysis,output specification,selection of concessionaire,financing combination,risk sharing,standardization of PPP contracts and staged review.

本文在分析PPP模式特点的基础上,提出了PPP模式微观层面的关键研究领域,包括:PPP模式的适应性分析;PPP项目产出的标准制定;项目特许经营者的选择;项目融资策略项目运行模式选择;风险分担;合同标准化以及阶段审查制度和评价指标。