Abstract:We propose a new algorithm for mathematical programs with linear complementarity constraints,for which initial value w 0 can be chosen arbitrarily.Numerical experiment shows that the new algorithm is effective.

Abstract:The least squares solutions of inverse problems of a class of skew symmetric matrices is discussed,and the expression of the solution is obtained.Besides,the left and right inverse eigenvalue problems of this class of matrices are discussed,and the nece

Abstract:考虑具有正负系数的中立型微分方程，利用李雅普诺夫方法来研究方程解的渐近性，获得了方程的每一解当t→∞时趋于一个常数的充分条件，其结果改进了已有文献的结果。

Abstract:Four new types of pyrimidine derivatives introduced directly by nitrogen-containing benzoheterocycles were designed and synthesized.Their structures were characterized by MS,IR,and 1H NMR.

Abstract:The absorption characteristics of modified lignin(HML,self-prepared) and petroleum sulfonates were studied,and the effect of factors of HML as sacrificial agent on absorption decrease of surfactant was also investigated.The optimum formulation of ASP was

Abstract:Based on the matrix transformation,this paper present a calculating metho to describe the spatial position change of steering wheel and to deduce aligning torque equations,and it provides a theoretical basis for dynamic analysis of steering wheels.

Abstract:The tilanium-aluminium alloy is characterized by light weight,high temperature strength and wearing resistance.In this paper,the exhaust valves of diesel engine made from tilanium-aluminium alloy,after engine testing,have proved to be practical;also the e

Abstract:A new type of NC control system for specific shape planer was developed with MITSUBISHI PLC positioning control unit.Compared with single-chip microcomputer system,the result shows not only the machine tool structure and the control system is simple,but a

Abstract:In the numerical simulation of injection molding,fluidity S is a key parameter to couple with perssure equation and energy equation in the solution of pressure and temperature fields.Basing on the filling principle of non-elastic,non-Newtonian and non

Abstract:The Balance Transformer Accroding to Impedance Matching which has been widely used in electric railway is a kind of three-phase to two-phase power supply equipment.The single phase load is generally not considered as balance,but its balance transformation

Abstract:This paper presents a new design method of observers for the class of nonlinear systems with Lipschtz nonlinearity,our results show that the stability of the nonlinear observers for such systems is not determined purely by the Eigenvalues of the linear st

Abstract:引入证据理论，实现电力设备多种检测手段的结合，以提高故障诊断的准确性，首先介绍了证据结合在电力设备故障诊断中的基本原理，然后给出了电力设备故障诊断的基本步骤，最后以变压器的绝缘诊断为例，进行了计算和诊断。

Abstract:The problem for robust stability of Lurie form of time delay direct control and time delay indirect control systems with several nonlinear stationary elements was considered,and some sufficient conditions were given.The conclusions presented in this paper

Abstract:We have showed that the Radon transform of the cross Wigner distribution function is a separable multiplication of fractional Fourier transform of these functions.Thus,the 2-dimension cross ambiguity function is a surface form of fractional correlation fo

Abstract:The robust stabilization problem of a class of uncertain nonlinear systems with mismatched uncertainties is investigated in this paper.Applying Lyapunov direct method,a design method of continuous robust controller is proposed based on the upper bounds of

Abstract:The irregular grid finite-volume method is proposed for computation of heat transfer and fluid flows in complex region.The efficient strategies for overcoming some difficulties,which include implementation of hybird convection schemes,maintain of diagonal

Abstract:An analysis method for the reinforcement of the R.C. special-shaped columns is given.The problem of reinforcement of the R.C. special-shaped columns subjected to biaxially eccentric loading has been solved by coordinate transformation and digital iteratio

Abstract:就我国国情下不同性能的原材料对RPC强度的影响进行了初步的探索，试验观察到要配制高强度的RPC混凝土，宜优先采用625号水泥、剔除了粗骨料的石英砂、经浓硫酸表面处理后的硅灰、325目石英粉以及DSF-2型减水剂，此外，还可掺入13mm长的钢纤维来改善RPC的力学性能。

Abstract:The optimal conditions for immobilizing anaerobic sludge acclimated for PCP biodegradation were determined through orthogonal-tests by using Calcium Alginate(CA) and PVA as the entrapped carrier,respecitively.The two kinds of immobilized pellets formed we

Abstract:以110MW、四角切向喷射的煤粉动力锅炉为对象，借助CFX4.2软件，在α-250工作站对该型锅炉的燃烧过程开展了数据模拟研究，研究发现：在该型炉膛内存在某种由准强制涡和准自由涡所组成的涡结果，这些涡均属于大尺度涡（非亚格子涡）；在这些准强制涡和准自由涡即大尺度涡之间以及某些涡与固壁或涡与喷射气流之间因扩散燃烧及强剪切而导致局部火焰增强现象即所谓“砂轮”效应，从Zeldovich转换和广义Reynolds比拟及粘性耗散的角度，定性地分析了这一效应。

Abstract:This paper studies congestion control problems in real time multicast video distribution.On the basis of poining out the congestion problems in destination set grouping protocol(DSG),we propose a hierarchical control alogrithm to solve the congestion pro