Abstract:通过对喷射反应沉积过程进行理论分析，建立了合金在雾化沉积阶段的动量及热量传输控制方程。在理论模型的基础上进行了数值分析求解，得出了喷射反应沉积过程中重要工艺参数的变化规律，并结合实验观察对计算结果进行了分析讨论。

Abstract:The paper hypothesizes the relations between the density and powder pressure of sand core,builds a model of 2-fluid and 2-pressure,simulates the packing of sand and packed density distribution by DFDM method,analyzes suitability of molding,researches methanism o f sand packing.It is found that it is possible to predict sand packing and the density distribution by compare the theoretical results with the results of experiment in the vacuum suction molding process.

Abstract:A method which is used for calculating steady vibration response of shipping propulsion shafting connecting with a coupling with nonlinear hysteresis characteristics are studied. On condition that the nonlinear dynamic stiffness and hysteresis damping of the coupling be considered, on the basis of GLM(Galerki Levenberg Marquard) method, a method called SSGILM(Separate System Galerkin and Improved Levenberg-Marquardt)to be used for calculating steady vibration response of propulsion shafting with local nonlinear dynamic stiffness and hysteresis damping, is proposed. A simple example is given out and the analyses show that it is effective to calculate steady vibration response of the shafting with local nonlinear dynamic stiffness and hysteresis damping by SSGILM method. From initial response values given arbitrarily, the automatic search algorithm in SSGILM method can converge the given initial response values to the response values accorded with required accuracy quickly; nonlinear dynamic stiffness and hysteresis damping of the coupling have different effect on vibration response of the shafting at different range of frequency. At the area of close nature frequency of the shafting ,displacement amplitude of the shafting is bigger. Beyond the range, the characteristics of the coupling have restraint effect on vibration of the shafting.

Abstract:The 13 bit lattice gas automata model with polyvelocity and regular hexagonal grid has been introduced. By simulating typical flow pass cylinder, the correctness and validity of the model have been verified.

Abstract:Defining of the characteristic values in a system property curve is the key to judge the run state of the system .It is very important to differentiate its characteristic values dynamically and real timely. According to the projecting geometrical feature of the characteristic values in the system property curve,the on line analysis method with simple algorithm and high accuracy to analyze and define these characteristic values is presented, and the run state of the system is determined.

Abstract:提出了一种基于第一原理的定性诊断探测法，该方法将经验知识纳入算法中，与国际上典型的ＧＤＥ系统中的Ｓｈａｎｎｏｎ熵预测法相比更快速，简单，有效，并且对探测值与新候选的关系进行了仔细分析，利用所得结论可大大地减少诊断系统的计算时间。

Abstract:The thesis puts forward a set of methods to recognize paper currency. The system censists of computer software and hardware including scanning head and sensor matrix. The type of paper currency is recognized by neural networks with the design samples of paper currency via sensors. The methods are proved effectively and correctly by experiments and computer simulation.

Abstract:基于小波分析的特点，用小波变换和奇异性测度Ｌｉｐｓｃｈｉｔｚ指数对探地雷达的隧道衬砌质量检测中衬砌界面及空洞界回波波进行时频分析处理和自动识别。实验结果表明，该技术使衬砌厚度检测误差由原来的１５％￣２１％减小到６．７％。

Abstract:研究了计算机辅助建立产品（零部件）链路方程问题，提出０－１矩阵、矩阵广义伴随等概念，给出矩阵留位乘法，乘方法两种寻找链路的方法。所得链路方程是产品拓扑与几何信息的有机结合体，便于计算机辅助建立功能方程。

Abstract:This paper describes an application of evolutionary programming(EP) to reactive power optimization and voltage control of power systems.Some technical problems which conclude mutation sacle,fitness value and population size have been solved to make EP practical for solving the optimal power flow problems.The computational results with EP have been compared with those obtained from a conventional gradient based optimization method.The comparision shows that EP are better than conventional methods in dealing with the optimization of noncontinuous and nonsmooth funcnons.The EP show the ability to search for the global optimum in reactive optimization that has multiple optima.

Abstract:In order to solve the uncontinuity of element numbering after the gradual subdivision of the triangular meshes, the correlation coefficient are introduced in this paper. It is easy to refine a multimedia-domain by using this method.

Abstract:This paper describes a digitization detection method harmonic analysis method which is used for detecting the dielectric loss of the electric equipments.The principle of this method and its characteristics of hardware circuits are introduced also.The testing results in the lab and the field show that this method can measure the dielectric loss rather stably and accurately.

Abstract:A mathematical model is presented to describe the fluiddynamics processes for the combustion system of 410t/h Pyroflow CFB boiler.A core annulus structure with solid dispersion from core to annulus is considered,and the influence of coal particles fragmentation,attrition and broad size distribution of feeding coal and bed inventory on hydrodynamics is specially taken into account.The simulation results show that the CFB boiler has good hydrodnamic characteristics and high hot cyclone efficiency.

Abstract:The method using the airlift and the self excited oscillation jet for exploiting deep beach placer has been presented. The physical and mathematical model of airlift is given in this paper. The feasibility of the self excited oscillation pulsed jet as breaker of the airlift is researched. It has been shown theoretically and experimentally that the self excited oscillation pulsed jet not only crushes and looses ore deposit under water, but also lifts particles of solid on the clay and sand bed. The oscillation cross flow caused by the self excited oscillation jet makes particles of solid enter the end of the suction pipe.

Abstract:It summarized the source and characters of indoor radon, discussed the variations of indoor radon's concentration and its calculating pattern, expounded the rolation between indoor radon's concentration and rate of air-changing, the size distribution of radon progeny, the rate of deposit and the character of its dosage, etc and pointed out the requirement of measuring indoor radon.

Abstract:A noval frature growing model based on FEM and degrading rules of materials was proposed,and many disadvantages of existing model were improved with the new modal , dimensional problem was analysed and satisfactory results was gained.

Abstract:An investigation is made of Love type waves in a two phase liquid saturated poroelastic solid layer attached to the surface of a semi infinite elastic body. The complex dispersion equation is derived describing dependence of phase velocity and attenuation of Love type waves on frequency.

Abstract:In this paper authors present a method to analyse stresses and deformations independent of polar angle in anisotropic layered cylindrical shells.An ordinary differential equation concerning deflection,its general solution and formula for analyzing stresses and deformation in fiber wind layered cylindrical shells are deduced.

Abstract:对急倾斜煤层俯伪斜分段密集支柱采煤法和直线长壁采煤法的采场矿压显现规律和煤与瓦斯突出预测指标进行了现场观测和模拟实验研究，其研究结果表明：俯伪斜采煤工作面的周期来压步距为１８．５ｍ，约为直线长壁工作面周期来压步距１０ｍ的两倍，周期来压时采面上部的最大能量动载系数为２．０３，比直线长壁工作面小０．５３．煤壁前方支承压力集中系数为１．６７，比直线长壁工作面大０．２～０．２５，而支承压力峰值距煤壁距离为６～１０ｍ，较直线长壁工作面大０．５～１ｍ．即俯伪斜分段密集支柱采煤法通过降低回采工作面前方煤体支承压力系数和增大回采工作面前方煤体的安全煤柱宽度，来提高采场煤与瓦斯突出防治能力。

Abstract:对大量实验测量出的甲烷浓度和衬底温度分别在单因素变化时，金刚石薄膜内应力的变化规律进行了归纳。在此基础上，利用材料科学与相图的思想，对任意给定的甲烷浓度和衬底温度条件下制备的金刚石膜中内应力处于张应力还是压应力的情况进行了分析，绘制出金刚石膜的“内应力状态图”。结果表明：利用“内应力状态图”可以预测内应力的张／压性质，预测分析结果与实验结果一致。

Abstract:A series of fundamental experiments are carried out to clarify UPC on the effect of taking shape and dropping of slag of BF at PANZHIHUA I & S CO. by using high temperature. oven simulation cohesive zone and dropping zone of blast furnace. The following results are obtained: The dropping quantity of the Titanium bearing Slag increases with UPC increasing. It is conclusion opposite to that of commonly blast furnace slag.

Abstract:A multi stage character classifier model is presented. By combining four independent algorithms, we integrate on line recognition method, off line recognition method, neural network method, tradition method into an unique pattern recognition system. The results and experiments show that our system has the merit of high recognition rate.

Abstract:根据改造链条炉为沸腾炉的实践经验，针对沸腾炉进行中存在燃烧效率低的技术难题，总结了布风装置，给煤，播煤风，悬浮段在改造设计中的技术措施。

Abstract:In this paper,chlorophyll is extracted from silkwormmanure by grinding immersing method and its content is measured by spectrometer.We analyse all kinds of factors which influence the result.The measuring conditions are optimized and the reliability of the method is examined.