To this day for special m and small |c|, solvable, c are obtained about general equations x~2-my~2=c with positive squar......

提出了一种新的时钟性能驱动的增量式布局算法 ,它针对目前工业界较为流行的标准单元布局 ,应用查找表模型来计算延迟 .由于在布局......

A two-dimensional single-mode laser model with cross-correlation between the real and imaginary parts of the colored qu......

A mathematical model was developed for a complex nonlinear coupling isolator for attenuating vi- bration which coupled q......

In this paper,multi_quadric equations interpolation is used to establish a widely covered and valuable speed field model......

The valence electron structures of alloying cementite θ-(Fe, M)3C and ε-(Fe, M)3C and those of the biphase interfaces ......

Understanding the relationship between tree height(H) and diameter at breast height(D) is vital to forest design, monito......

Distribution of magnetic field and electromagnetic force in twin-roll casting of steels was studied by the method of nu......

Nested multilayer mirrors are commonly used in X ray telescope structure to increase the collecting area. To balance the......

Flow and heat transfer characteristics of slot jets impingement to a cylindrical convex surface are numerically investig......

The test scheme of static postponing time given in our actual national military test standard on shrapnels used to contr......

Geologic surface approximation is profoundly affected by the presence, density and location of scattered geologic input ......

Approximate solutions for gas separation by hollow fiber membranes have been developedby several investigators.However,t......

On the principle of non-incremental algorithm,some basic ideas of process optimal con-trol iterative algorithm,based on......

The main purpose of reverse engineering is to convert discrete data points into piecewise smooth, continuous surface mo......

The characteristics of planed defects in (Cr,Fe)7C3 in a chromium steel and two kinds of cast alloys have been delineat......

The original idea and shaping principle of locus shaping method for processing the aspheric optical parts are introduced......

Temperature dependence of ratio between dielectric anisotropy and order parameter of fluorinated nematic liquid crystal ......

Using the identification quantity to identify the long ear disfigurement was brought up,and by calculation,it can be fou......

To investigate the transformation behavior of TRIP steel retained austenite under cyclic load, cyclic V-bending deformat......

The complexity of geotechnical engineering and variability in construction circumstances of large extra caissons make th......

To derive accurate three-dimensional (3-D) information of a scene is an important pur-pose in computer vision. Two-viem......

A novel method on designing bispectral windows is proposed in this letter. Com-pound functions based on a function with......

盲信号分离的依据通常是信号的独立性或利用它们的高阶累积量。考虑了双通道的盲分离问题 ,提出了一种基于相关函数的盲分离准则。......

SNR estimation of communication signals is important to improve demodulation performance and channel quality of communic......

This paper introduce several commonly used camera calibration method include their advantages and disadvantages.The trad......

Objective To optimize technique for extracting Cordyceps militaris Polysaccharide Method By adopting Response Surface Me......

Using the split plot and multi-quadric regressive orthogonal cross-course rotary combination design, corn variety Dengh......

We investigate the optimization of linear impulse systems with the reinforcement learning based adaptive dynamic program......

[Objective] To study the optimal fertilizer techniques for standardized cultivation of Plantago asiatica L. [Method] Thr......

Tea Polysaccharides(TPS) has been acknowledged of one of the most important components with various bioactivities in tea......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

设An＋1是幺模仿射空间,Lr是An＋1中紧致、连通、局部强凸的超曲面M的r 阶仿射平均曲率,本文通过Lr给出了若干关于二次曲面M的新的特征......

综合利用EGM2008地球重力场模型,采用"移去-拟合-恢复"方法和二次曲面函数数值逼近算法进行GPS高程转换。通过某隧道实例验证了"移......

高精度曲面绘制必须经过局部数据控制点,控制每一个数据点在其有效范围内权值的平滑过渡,生成一个光滑的曲面。本文介绍一种新的基......

目的探讨针灸结合股四头肌强化训练治疗膝关节骨性关节炎的疗效.方法 82例膝关节骨性关节炎患者随机分为针灸结合股四头肌强化训练......

对二次曲面的内、外点给出定义和解析判别法,以及对二次曲面的内、外点关于这曲面的切平面型平面进行探讨.......

利用空间直线与二次曲面相切的充要条件及将二次曲面的切锥面上任一直线的方向矢量代入二次曲面方程的二次项部分,找出与二次曲面......

Mathematica软件具有强大的绘图、程序设计功能，在高等数学教学中引入Mathematica软件作为辅助工具，利用软件的绘图和程序设计功能，直......

本文给出了只含两个变数的平方项的二次曲面与平面的圆截口交线方程的一种求法，并将结果应用于一些实例。......

这篇论文让 Beltrami 方程被印射的 1-quasiconformal 满足了，它确切是 CR 或 anti-CR 方程在上(2,2 ) 打二次曲面的 Q <SUB>0</SUB......

In this paper,we discuss J-integrals near modelsⅠandⅡcrack tips for the plates oflinear-elastic isotropic homogeneous ......

Intersecting is an important factor which influences the effociency androbustness of Boolean algorithms in solid modelin......

Modern high speed machining (HSM) machine tools often operates at high speed and high feedrate with high ac- celerations......

To solve the problems in the mesh simplification,such as the poor features preserving and too uniform in some areas,an i......

针对线接触加工二次曲面刀具轨迹规划的问题,结合线接触加工原理,设计了五轴线接触加工铣床,通过各轴之间的相对运动形式、结构系......

We show that Yang-Mills equation in 3 dimensions is local well-posedness in Hs if the norm is sufficiently. Here, we con......

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提出了一种新的基于“结式法”的二次曲面求交算法。该算法首先利用结式法计算出两二次曲面相交时交线的投影方程,再对投影方程进......