Tang Shumei Department of Civil Engineering
Abstract:This paper presents some findings of a study of the effect of overtaking sight distance on journey speed in two lane rural roads by means of Swedish VTI Traffic Simulation Model.The findings reveal that there are strong relationships between sight distanc
Chen Xingzhi , Liang Jianguo Department of Civil Engineering
Abstract:In this paper, based on the theoretical analysis of the experimental results of 34 test specimens subject to combined actions, both a finite element method and a practical method are proposed for calculating the shear strength of the brick masonry with re
Liu Guangdong , Liu Boxian Institute of Structural Engineering
Abstract:Based on Chebyshev's integration, a computer method is proposed for calculating the moment-curvature relationship of reinforced concrete box sections. This method can reduce the numbers of loop and avoid effectively the dead loops which appear sometimes d
Jiang Naichang , Han Dehong Department of Civil Engineering
Abstract:In this paper, we use the technique in dealing with the large sparse matrix to condense the memory of the Jacobi matrix J(H) of pipe network equtions F(H)=0 with one dimensional vectors. By applying the graphthe oretic method, we present the optimization
Lu Wenhu , Shu Lide Department of Environmental Engineering
Abstract:In the past, the thermal characteristics of a solid wall were often evaluated by a simplified calculation method or by an experimental means. However, these two methods have a few limitations. We argue that if we solve the partial differential equation of
Jiang Ronghan , Liu Fusheng Department of Electrical Engineering
Abstract:As we know, the understanding of the law of the change in current and its frequency under asynchronous operation of the power systems is very important for us to develope the new safety technology, automatic device and switching equipment, as well as for
Yang Qiyu , Yang Mingzhi , Zhang Zhongli Department of Electrical Engineering
Abstract:In previous practice of distributive network planning, based on load demands, load characteristics and the location of generators, an optimal plan was picked out by comparing the several schemes listed by hand. As the number of nodes increases, it is diff
Liao Xiaohua Hengyang Transistor Factory Wan jiqing Department of Applied physics
Abstract:In this paper, a new process is proposed for manufacturing the high power transistors. This process, as compared with the conventional one, is characterized by simplicity, absence of the pollution of the black gel, high yields and low cost. The electrical
Xuan Jiaji Department of Economics , Management Engineering
Abstract:This Paper points out that the risk investment merits our attention due to its great risk and high profit. Based on the analysis of several examples, it is shown that the present risk evaluation index and method are imperfect and even lead to a wrong deci
Chen Changsong Department of Computer Science
Abstract:In this paper, the normalization theroy of database is introduced. The difference between the synthesis and the decomposition method is indicated. The blunders in the systhesis algorithm proposed by Bernstein are pointed out and an improved form is theref
Yang Yujia Department of Engineering Mechanics
Abstract:Based on the study of AP-language, A-code technique is developed for classifying the information and material in the library. This technique greatly contributes to the improvement of materials management.
Zhou Shuzi Department of Applied Mathematics
Abstract:The two-step secant method is an efficient algorithm for solving nonlinear equations with n variables. We prove in this paper that the rootconvergence order of this method is not less than the unique positive root of equation t~(n+1)-t~n-2=0.
Wang Guoan Department of Applied Mathematics
Abstract:本文应用Liapunov泛函方法,研究了一类无界滞后中立型泛函微分方程的稳定性,给出了零解一致渐近稳定性,一致L~P—稳定性的判别准则.
