Abstract:This paper deals with the singular integral equation and its conjugate homogeneous equation.The solvability of this class of equations is studied and the necessary and sufficient conditions for the solvability of inhomogeneous equations are given.

Abstract:A new biased contract estimation for the parameter of the Linear Regressive Model is given,also BC Estimation and its many good properties are proved.

Abstract:We obtain a sufficient condition for all positive solutions of a discrete Logistic model to oscillate about the equilibrium N .We also establish a sufficient condition for the global attractivity of the equilibrium N of this model.

Abstract:The Fe Al P alloy deposits were plated on copper sheets by electroless plating.The change law of the deposition rate,composition,surface appearance and structure for the deposits was studied by changing the metal salt ratio AlCl 3/(AlCl 3+FeSO 4),the

Abstract:The elastic contact problem with friction is solved by using boundary element method.The contact conditions in various contact states are given and coupled with boundary integral equations for contact bodies.Then contact conditions and boundary integral e

Abstract:研究了聚乙二醇催化合成头孢三嗪的工艺，探讨了聚乙二醇分子量，用量，反应温度及反应时间等对缩合产物收率的影响。当用聚乙二醇－８００作为相转移催化剂，在二氯甲烷－水溶剂中于０℃反应４￣６ｈ收率９４％。

Abstract:Influence of ions to the interfacial characteristics of the porous membrane of anodized aluminum was investigated with a electrodiatytic method.Results indicated that,when the porous membrane was pretreated with F -,SiO 2- 3,PO 3- 4,S 2O

Abstract:研究了由对氯氯苄，仲丁胺合成Ｎ－对氯苄基仲丁胺的工艺，经正交试验确定最优工艺条件为：仲丁胺与对氯氯苄的摩尔比３．０：１．０，反应温度５０℃，反应时间２．０ｈ，氢氧化钠与对氯氯苄的摩尔比１．０：１．０，产品纯度大于９５．０％，收率达９１．９％（以对氯氯苄计）。

Abstract:Existing many factors of influence on location posture of tip executing apparatus for robot,the influence of gap of key links has received considerable attention for long time.In this paper,the effect of gap of key links on location posture errors for t

Abstract:A method based on a non uniform parameter space is presented for surface numerical grid generation on any curviliner surface.and the corresponding software is developed.

Abstract:The fuzzy set theory and artificial neural network are applied to two aspects of the transformer differential protection:How to differentiate internal faults and over zone faults;How to magnetite inrush current,and a new method and criterion are presente

Abstract:This paper is concerned with solving linear programming problems.New current mode neural networksswitched current neural networks that can optimize linear programming are proposed,and examples included confirm the feasibility of the presented SI network

Abstract:Based on the electric machine design theory and from the electromagnetic radius force,first this paper emphatically analyzes and explains electromagnetic noise of the asychronous motor and ways to control it.Then the paper gives a concrete account of the

Abstract:The effects of wall function on numerical prediction of indoor air environment is analyzed.The numerical examples show that the effects of wall function should be taken into account in the analysis of numerical prediction of indoor air environment.

Abstract:This paper is concerned with the experimental studies of the changes and effective factors of residual chlorine in the water supply system.The problem of how to prevent building water supply system from polluting is approached and studied.

Abstract:The paper describes the outsid stabilities of soil nailed walls. It presents the optimization methods used for the calculation of the outside reliability index of nailing wall,and gives three optimum mathematical models.In the end,it discusses the relati

Abstract:The stiffness matrix of space beam element with stiffarm is reported in this paper,using the method similar to the plane beam element.Using this kind of element in the space analysis of large complicated structures can not only reduce the number of elemen

Abstract:This paper presents the development and system structure of High Rise Building Structural Optimization Program(HBOPTCAD).Developed under the Windows environment,the program has satisfactory interface,which is convenient in inputting structural model an

Abstract:By introducing the concept of main value of phase difference spectrum,the relationship between probabilistic distribution functions of phase spectrum or phase difference spectrum and their main values are discussed.The incompatibility of probabilistic pro

Abstract:Based on the current m/c method hypothesis,an analytical solution to deflection and internal force of bridge piles under inclined loads is presented.Which can be used conveniently by the current m/c method calculating formulae and the results of both mo

Abstract:This paper discusses the quality controlling function in every phase of the software life cycle and the concrete organizational measures to take in order to achieve this function,which is supposed to be the only scientific management model to develop r

Abstract:The fundamental theory of holographic neural network and its some important applications have been discussed.

Abstract:In order to meet the need of talent management,a distributed multi level of DSS for talent management has been proposed to guarantee the scientific administration revolution.The system utilizing the technology of WWW,CORBA and CLE/COM can provide users w

Abstract:The nervous system of living beings can transform non substance message into substance message,and then controls the living beings' behaviour.Perhaps it may be the mystery of living beings.The psychological message in the form of substance message is roo