three-dimensional finite element analysis for electrical conductivity of electro-contact alloy material

the change in the electronic scattering effect of the phase interface between ag precipitates and cu grains and the interface between eutectic filamentary bundles and cu matrix in the alloy against the dislocation resulted in the change in the electrical resistivity of alloy for different strain condition.

次生相界面、共晶体与Cu基体界面及位错对电子散射作用程度的变化导致了合金电阻率在不同变形程度范围内有不同的变化规律。

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technical specification for silver-metal oxide electrical contacts by alloy internal oxidation method

GB13397-1992合金内氧化法银金属氧化物电触头技术条件

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effect of fe content on strengthening of electrical conductive cu-fe alloy

Fe含量对Cu-Fe导电合金强度的影响

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investigation on growth kinetics and morphology of in-situ insulating film on fe-cr-al electrical heating alloy

Fe-Cr-Al电热合金表面原位绝缘膜的生长动力学问题

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investigation on preparation of in-situ insulation film on fe-cr-al electrical heating alloy

Fe-Cr-Al电热合金液浸原位生成绝缘膜的研究

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a number of insects, including blister beetles, stonefly larvae and bushhoppers behave in similar way when attacked.

不少昆虫都会使用类似喷血的行为防御攻击，例如斑蝥，石蝇幼虫以及蝗虫等。

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piecewise linear function optimization

连续分片线性函数的优化

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non-fragile fuzzy control of permanent-magnet synchronous motor chaos systems based on piecewise lyapunov function

基于分段李雅普诺夫函数的永磁同步电机混沌系统非脆弱模糊控制

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studies on the properties of piecewise perfect function

分段完美函数的性质研究

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calculation of spreading resistance correction factors by piecewise quadratic function interpolation

用二次函数分段插值法计算扩展电阻修正因子

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in the second part, based on the finite element magnetic field calculation, the piecewise function shimming method which adopts the multiple linear regression is employed to carry out a shimming experiment on the virtual model, and a good shimming effect is reached.

第二部分，在已完成的主磁铁有限元磁场计算的基础上，采用基于多元线性回归的分段函数垫补方法对有限元模型进行了虚拟垫补试验，并达到了良好的垫补效果。

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in this paper, we give a direct method in which we can express the piecewise function as the single expression, and furthermore, in the elementary continuation and piecewise-decreasing decomposition method we make the elementary construction of piecewise function simple.

本文给出了将分段函数表示成单一表达式的直接方法，并运用初等延拓和减段分解等方法，使分段函数的初等性构造变得极为简便。

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this paper discusses the primitive function questions, mainly focuses on the following three cases: continuous piecewise function, piecewise function with discontinuity point of the first kind, piecewise function with discontinuity point of the second kind.

文章主要讨论了连续分段函数、具有第一类间断点的分段函数、具有第二类间断点的分段函数三种情形的原函数问题。

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this article points out the methods to solve the derivative of piecewise function and discusses the derivative problem at point of demarcation of piecewise function in detail. on correct application of mathematical tool in teaching material of accounting

本文主要叙述分段函数的求导方法，并对分段函数在分界点处的求导作了细致的讨论。浅议分段函数在会计教材中的正确应用

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the paper introduces the property theorem about roots of polynomial and the derivate limit theorem, by which we can study the derived number of a break point of piecewise function.

介绍了用多项式根的性质与导数极限定理求分段函数在分界点的导数的简单方法。

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we can use piecewise function on mean camber line and thickness distribution. so we can adjust design parameters' flexibly, and get several of blade profile which we need.

对中弧线与厚度分布都采用了分段函数，并能够非常灵活地调整设计参数，以得到需要的各种叶型。

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based on the results of the analysis, a mathematical model of the screen is established with piecewise function to describe completely the partition curve of the probability sizing.

根据理论分析和试验结果，建立了煤用概率分级筛的数学模型。

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the thesis discussed a method of the fixed limit to convolution of piecewise function and a simple and convenient algorithm.

本文讨论了分段函数卷积的定限方法以及简便算法。

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probe into the derivative of piecewise function

探究分段函数的导数

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discussion on the derivative of piecewise function f ( x) on the piecewise point

分段函数f（x）在分段点处的导数的求法浅探

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