Abstract:in the meantime Plasma Enhancement Chemical Vapour Deposition (PECVD) silicon nitride is only one which can grow on alloying devices at low temperature.We study in this paper various deposition parameters affecting thin film properties.The conditions of d

Abstract:A new method of security ROM is presented. Security circuit HU-001 is sucessfully developed. High reliability is obtained by means of HU-001 circuit security PROM. Stored data and program are protected effectively from copying.

Abstract:The independence of the generalized least squares error and the probability distribution of the loss function under the condition that the order of the ARMAmodel is not less than the true order of the system is studied and the F-test method of the steady

Abstract:阐述了以ＡｌＣｌ３·６Ｈ２Ｏ、Ｃａ（ＯＨ）２、漂白精和稳定剂Ｍ为原料研制新型混凝－氧化剂（简称ＲＯＪ）的制备方法及其作用机理．ＲＯＪ用于处理合乳化油废水的实验结果表明；ＣＯＤｃｒ去除率达８０％～８５％，油和浊度去除率达９０％～９５％，与目前常用的混凝剂Ａｌ２（ＳＯ４）３、ＰＡＣ、ＰＦＳ及ＦｅＳＯ４相比，ＲＯＪ具有处理效果好，处理费用低的特点．

Abstract:Several properties about elements in convergenceo groups acting in Rnare obtaind. By use of these properties, we prove a kind of maximal property of subgroups in convergence group.

Abstract:The conical limit set of convergence group is studied and that and the Lebesgue measure of the conical limit set is equal to zero when the Poincare series of discrete convergence group converge is proved.

Abstract:Some properties of the real symmetric five-diagonal matrix are studied and two kinds of inverse eigenproblems for it are discussed.The expression of the solution and some numerical.examples are given.I

Abstract:The existence of generalized solution of quasilinear elliptic eigenvalue problems is obtained without the suitable smallness conditions.

Abstract:给出了观察过程状态数为可数时，部分可观的马尔可夫决策规划（ＰＯＭＤＰ）折扣模型的逼近法和算法，算法保证了能求到ε－最优的平稳策略和ε－最优的期望费用函数。

Abstract:In high stable miniature electronic device,for example in Temperature Controled XTAL OSC, precise constancy of temperature depends on linear control.One pulsed controled nonlinear mechanism was developed on this paper.It can achieve precise constancy of t

Abstract:针对小干扰力作用下一般的完整保守力学系统对称性的摄动问题，提出了高阶绝热不变量的概念，给出了各阶绝的热不变量的形式及存在条件，并将有关结论推广到非保守系统和非完整系统，本文还建立了绝热不变量与对称变换之间的对应关系。证明了线性单自由度Ｈａｍｉｌｔｏｎ系统的绝热不变量Ｈ／ω产生于其关于时间的对称变换。

Abstract:Least median of squares combined with spectrophotometric direction calibration technique was established and used for simultaneous determination of a multicomponent pharmaceutical system with two analytes(diphehydramine and ephedrine).Because the noise di

Abstract:A comparison of several chemometric methods for analysing two-way data of black analytical systems is presented. The overlap in systems is judged by the determinant of the covariance matrix of the spectral or chromatographic vectors. Evolving Factor Analy

Abstract:A new method for the synthesis of a thiochroman derivative by acidcatalyzed intermolecular one-pot cycloaddition is developed. The yield of isolated product is as high as 84 %

Abstract:The suspension principle of Li-Bentonic slip and its application in ceramic coating were explored.The tests show that it is a good suspending agent with resistance to high temperature.Some problems in its application were discussed.

Abstract:Transient temperature field is determined in the real subspace by using of the iteration method for obstacle problems.The new solving process can thoroughly eliminate the solutions which do not agree with the heat transfer law and effectively restrain the

Abstract:A method for the measurement and analysis of fuel injection rate of diesel engines using micoromputer is proposed. The priniciple of the measurement system, the method of the date acquisition and analysis, as well as the software scheme of the microcomput

Abstract:Variations in composition of rolling surface of carburizing 20CrNi2MoA steel railway bearings were systematically investigated by AES,XPS. Those variations are due to the thermochemical reactions between grinding wheel, workpiece and cooling medium during

Abstract:Current-mode circuit techniques are today the advanced topics in the areas of circuit theory and application.The current mirrors in the current-mode circuits are the very important cells. This paper introduces the basic principles of the current mirror c

Abstract:Integrating neural network with fuzzy system,an adaptive fuzzy controller based on neural networks(NAFC) has.been presented.This control system conists of a fuzzy neural controller(FNNC)and modeling neural networks(MNN),and has the ability of adaptiye lea

Abstract:The comprative study on the operation characteristics of heat pump and direct-fired absorption chiller-heater is presented. The result shows that on the basis of primary energy resources comsumption, the former has a higher efficiency than the latter for

Abstract:The working condition characteristics of taking water pumping station are analyzed,based on the changement law of water level of surface water source in our country and the changement law of drinking water quantity. On the basis of above analysis the keyp