VA (value analysis)是什么意思

网络释义

用法例句

Optimization design and numerical analysis of excavation and yield supporting for unstable surrounding rock;

不稳定围岩开挖与让压支护的优化设计及数值分析

The numerical analysis for the assembly stress in the local short fault of a vessel girth joint;

压力容器环焊缝局部短错边装配应力数值分析

Numerical Analysis of Effects of Phase Transformation Heat Changes on the Cooling Ability of Partial Die-casting Mould;

相变换热对压铸模具局部冷却能力影响的数值分析

Emergy Analysis of The Sustainable Development System of Mining Source in China;

基于能值分析的中国矿产资源可持续发展体系研究

Ecological footprint of Shandong Province based on emergy analysis;

基于能值分析的山东省生态足迹

Emergy analysis on an added loop in Spartina alterniflora ecological engineering.;

米草生态工程加环效益能值分析

Numerical Simulation on the Cooling Capacity of Partial Mould under Natural Condition;

自然冷却条件下压铸模具局部冷却能力的数值分析

Base on the prior period study on the numerical simulation of Rheo-diecasting mould filling and solidification process of semisolid magnesium alloy about plate model.

在前期平板模型流变压铸充型凝固过程数值分析的基础上,利用所建立的数学模型对镁合金压铸件中间轴螺塞进行了数值分析和实验研究,对比分析了零件成形时镁合金牛顿流体与镁合金半固态流体的充型特征及零件中存在缺陷的位置和大小。

In order to optimize the manufacturing procedure of the thick 7B04 aluminum alloy, numerical simulation method is employed to analyze the stress field of thick 7B04 aluminum alloy board during manufacturing procedure of quenching, calendaring and stretching.

为了优化7B04铝合金厚板生产过程,对7B04铝合金厚板生产过程中淬火、压光、拉伸过程应力场的变化和分布情况进行了数值分析。

Energy Analysis Method for Accounting Measurement of Forest Ecosystem Externalities;

森林生态效益外部性会计计量的能值分析模式

Based on the concept and method of energy analysis created by American famous ecologist H.

Odum的能值分析理论和方法对南充生态经济系统的能量流动进行定量的分析。

From the perspective of energy analysis,the article analyses the changes of land sustaining capacity after this region implement,the ecosystem recovery project.

从能值分析的角度,构建了赤水市水土保持生态修复工程项目区土地生态经济系统的能值指标,并对该区实施生态修复工程前后土地支撑能力的变化进行分析评价,得出项目区生态经济系统的土地支撑能力降低的幅度明显减少。

This paper introduced a lot issues and analysis in research and production of metallurgical standard sample,included bulk standard sample,analysis of standard value,homogeneity and uncertainty.

就冶金标准样品研制中有关定值分析、块状标样研制、研制报告、标样的试用和验证、标准值的不确定度、标样的成分设计、标样的评审等存在的问题进行了讨论,对一些容易混淆、忽略和研制中新出现的问题作进一步的论述,并提出了有益的建议。

The surface vertical and horizontal displacements resulted from the mined-out pit are predicted by use of the FLAC software and the slope and curvature of surface sedimentation at every locus are figured out with numerical value analysis theory.

使用FLAC软件预测出采空区形成后引起的地表垂直和水平位移,然后使用数值分析方法,计算出地表各个沉降点的斜率和曲率,预测结果对矿山建设有参考作用。

With the aid of the method of numerical value analysis,the node-matrix is used to find solution on a computer,thus providing a practical and reliable method to solve the hydraulics-calculation problem of the branch-shaped pipe-net.

用数值分析的方法,采用节点矩阵在计算机上求解,从而为解决支状管网水力计算问题提供了一种实用可靠的方法。

The application of value analysis method in rear axle tube design;

价值分析方法在后桥半轴套管设计中的应用

Optimization and selection of heat/cold source scheme for air conditioning-comments on value analysis of heat/cold source selection for air conditioning;

空调冷热源方案优化及抉择——评《空调冷热源方案价值分析》

Hydraulic engineering plan decision on value analysis;

价值分析决策水利工程方案

By using frondose numeric analysis of ANSYS software to technics process about pipe bulging and operation condition, pointed out how to choose pipe material and plate material better to solve the problem of bulging-contacting and leakage.

通过利用ANSYS软件对胀管工艺过程、运行工况的具体数值分析,指出了选用何种管子材料和管板材料相匹配能较好地解决胀接和密封性问题。

From the point of building differential equations of V-notch in homogeneous materials,the problem of elastoplast stress singularity and stress field near the tip of V-notch is not only studied in the way of numeric analysis,but also a feasible solution to those equations is presented.

从建立单材料V型切口问题的微分方程着手,采用数值分析的方法,研究了切口问题的弹塑性应力奇异性和切口尖端附近应力场,提出了解决该微分方程的可行方法。