Li Xuye Wu Yi Yi Wenzhi Fu Jiexing Department of Mechanical Engineering
Abstract:In this paper, according to the characteristics and the mechanism of the failure of the caterpillar boards, a comprehensive plan for toughening high-Mn steel have been put forward, which includes the composite alloying of Cr and Mo, the compound inoculati
He Chanzi Department of Applied Mathematics
Abstract:In this paper, we discuss the existence of solution for the inverse problem of a system of linear equations AX=b with a stochastic matrix and a nonnegative symmetric positive definite matrix. The necessary and sufficient conditions of the solution are obt
Zhang Yicai Department of Applied Physics
Abstract:This paper thinks that. there is no charge neutrality approximation in the I-layer wherever the electron density is equal to the hole density. These two kinds of densities in the I-layer of a forward biased PIN diode will be decreased with the increasing
Yang Shukong Chen Jun Department of Electrical Engineering
Abstract:In this paper, based on the experimental results on the UJT forced oscillation circuits, a new theory of class and the structure of inverse triangle step are proposed for describing the complicated behaviors of this dynamic system. The model for the inver
Yang Yigang Peng Jianchun Department of Electrical Engineering
Abstract:This paper analyses the difficulties in the selection of the initial feasible point and in the coordination during the iteration of the real and reactive power economic dispatch between thermal power plants and hydroelectric stations by the classical meth
Abstract:In this paper, we analyse the existing main problems at home and the external development tendency for face milling cutters with indexable carbide inserts. A new type face milling cutter with indexable carbide inserts is developed. The results of applicat
Yi Wenzhi Peng Bing Department of Mechanical Engineering
Abstract:A new type of versatile vacuum electric furnace for chemical heat treatment is developed, in which the low vacuum structure heating outside, the NH_3 auto-disintegrating instrument, the technology of ultra-red heating, TTL automation and the diverse distr
Kuai Xingcheng Cheng Lumin Yi Wenzhi Chen Ronghe Department of Engineering Mechanics
Abstract:In this paper, the track friction pair constituted by the track plate and the pin of a tank is taken as the object of study, and its mechanical models are set up according to the kinematical and dynamical characteristics of tanks. The finite element analy
Huang Shasheng Zhou Qizhi Lin Huigai Yu Ruqin Department of Chemistry , Chemical Engineering
Abstract:Several special crown ethers have been used to prepare modified electrodes and their performances are compared. The electrode prepared from bi-dinaphthy1-22-crown-6 shows the best performance characteristics has been studied in detail, which has been appl
Feng Kuiyan Department of Civil Engineering
Abstract:Based on the theoretical research and field observation, this paper proposes to use entropy to express the component properties in the mixed traffic. The practical formula for calculating the traffic entropy is obtained. Through the regression analysis of
Wang Jiejun Wang Xuanmin Institute of Structural Engineering
Abstract:In this paper, based on Guyon's and Massonnet's method, the multi-span continuous curved girder bridge with the variable cross section is simulated as a thick-varied transversal|y sector plate. And then by means of the flexibility method, the middle suppo
Cheu Jiayao Capital Construction Section
Abstract:The strength of natural stone materials is an important technical index in masonry construction. But its test is a complicated work and always need to be carried out in site immediately to judge if the stone material can be used. The rebound method has wi
Zhao Shengheng Zhao Ying Department of Applied Physics
Abstract:Based on the oscillating equilibrium condition, the formulas are derived for calculating the parameters of Model B oscillating inhibitory network. The influence of temperature on the frequency stability is also discussed. The results show that only if the
Wang Zhuying Zhao Lihua Department of Applied physics
Abstract:In this paper, the method of computerized simulation is applied to calculate the thermal desorption spectrum of the Si(111)/H system. The effects of desorption energy, pre-exponetial factor and initial adsorbate coverage on the thermal desorption spectrum
Liu Chuzhong Department of Applied Mathematics
Abstract:In this paper, the inverse problem for a class of nonlinear parabolic equation is studied where the coefficient a (u, t) is an unknown function. With some restrictions on the data the uniqueness of the solution is proved.
Liu Xiangao Department of Applied Mathematics
Abstract:In this paper, we study the existence of multiple nontrivial solutions for the variable coefficient elliptic equations with critical Sobolev exponents.
Zeng Jinping Department of Applied Mathematics
Abstract:The multigrid method is an efficient numerical iteration algorithm for solving elliptic variational problems. This algorithm is applied in this paper to solve asymmetric elliptic variational inequalities. Its convergence properties are discussed and prove