Abstract:主要讨论几类具有高拓扑度的多项式P的Julia集J(P)的性质,包括(Ⅰ)对J(P)的范围的估计:(Ⅱ)一类特殊的具有相同Julia集且同度的多项式间的共轭性。
Abstract:考虑方程F(x)=0。其中F:R^n→R^n是局部Lipschitz连续但不可微的,对上述方程提出了光滑Broyden方法,即利用一光滑函数f(x,ε)逼近非光滑函数F(x),每一步用Broyden公式计算修正矩阵,并进行适当的线性搜索,在产的条件下,给出了算法的全局收敛性。
Abstract:在一类局部凸空间X上构造了有界集族△^u,讨论了△^u中有界集的若干性质以及△^u与数列空间S的关系;由此推广了И.М.盖尔芳特在《广义函数》(Ⅱ)中给出的几个结论;并给出了X^*可赋范的一个充要条件和X^*不可距离化的一个充分条件。
Abstract:The 1/ N expansion theory in the consistent Q framework in the sdIBM1 has been successfully applied to the study of energy spectra of heavy nuclei and medium mass Hf isotopes.This paper applies the theory to the study of the energy spectra of the 3
Abstract:With the aim to simplify the technology and decrease the cost,the feasibility to manufacture C/C composites from green cokes as matrix and PAN OF as reinforced fiber,which is much cheaper than PAN CF,binderless molding and then in situ carbonizing has
Abstract:The effect of pH value,chloride concentration,temperature to stainless steel corrosion in kerosene/water system is investigated with HJC 3 coulostatic corrosion moinitoring meter.By imitating spot condition,the corrosion of N20 steel in gasoline/condense
Abstract:The importance of using the technique of collaborative design based on network and virtual reality in the procedure of product design is discussed in this paper.Several key problems about multi agent system(MAS) and its integration technology are pointed
Abstract:Modern turbine blades are highly complex airfoils that are oblique and twist with non uniform section profiles,which hardly can be expressed analytically.With data points given on some predetermined blade sections,the geomerical modeling of the entire bl
Abstract:The gasoline engine's exhaust emission of HC,CO 2 and O 2 is tested under misfire fault condition and proper condition.By the test data,a fuzzy vector which describes the misfire fault of gasoline engines is proposed.The method of pattern recognition is
Abstract:This paper introduces a shaft CAD system based on feature technology.It is developed by Pro/Toolkit and based on Pro/Engineer CAD system.The windows style interface makes the design convenient and efficient.With the help of the perfect product information
Abstract:A domain recursive algorithm of nonlinear circuits analysis has been discussed in this paper.It reduces n th order transfer function of nonlinear circuits into n times of frequency domain analysis of linear circuits.This method has greater pratica
Abstract:通过对极大极小(γ,δ)双子在某一特征值下的等价定义,把任意的极大极小(γ,δ)双子化为极大代数下的双子,从而得到计算极大极小〈γ,δ〉双子M矩阵的特征值与特征向量的方法以及有关的结论。
Abstract:This paper focuses on the problem of robust fault tolerant control for the uncertain systems with state and control time delay.Based on Lyapunov asymptotic stability theory,the robust stabilization of uncertain time delay systems is discussed against s
Abstract:Frequency domain regression(FDR) method is developed to calculate the response factors of multilayer walls in this paper.This method is based on the theoretical frequency characteristics of transient heat conduction through a building construction to esti
Abstract:Based on some characteristics of historical isoseismals and historical seismicity for seismic regions in China,this paper established the seismic risk analysis based on seismic intensity which regarded as an order classified varible,developed a new kind
Abstract:The importance of establishment of urban underground pipe line information system is elaborated from the point of administration in this paper.A development formula based on the data of the whole urban topographyic map,general investigation survey,finish
Abstract:A new form of shear reinforcement,called double hooks,is presented in this paper.Its good behavior in punching resistance is verified by experiments.Five concrete slab column connections with double hooked stirrups are analyzed.The diameter,nummer of lay
Abstract:The paper discussed the solution for the non linear programming with the linearized method and studied the influencing factors during the course of the linearization.It is concluded that interval division,dividing number and parameters have different inf
Abstract:This paper compare the buffer structure and buffer management of several switchs.On the basis of the comparison this paper proposes a feasible buffer structrue with bypass technology and sharing buffer technique,which shapes the output flow.
Abstract:This paper proves that the effective frontier of portfolio will move in parallel when all the securities return in the portfolio changes in same value.Meanwhile the indifference curve also shows that it is not neccessary to change the security combination