Abstract:The application of self supporting body to light sized bus and its advantage are described.From the comparison and analysis of the intensity distribution in the body structure,it is concluded that the self supporting body can be efficiently applied to
Abstract:The oscillation of solutions of the linear difference equation and the nonlinear difference equation is investigated.The sufficient conditions for the oscillation of all solutions are obtained,and some results in the literatures are improved.
Abstract:The influences of the disturbance of the parameters,such as L,R 1,R 2 ,on the output coupling and on the far field intensity of positive branch unstable confocal resonator are studied.The studies are applied to the HDJ I type laser of our universit
Li Lijuan Li Xiaoyang Luo Jianhui
Abstract:The whole process of the uniformly loaded cantilever beam in contact with the rigid base is analysed by appling a deep beam theory.The concentracted pressure in the end of the contact range is eliminated.The lenth of the contact range is evidently longer
Abstract:A new method for measuring 3 D displacement by separating technique with microholography and speckle interferometry is reported.It is applied to measurment and calculation of displacement of crack tip near field,and it can alse be applied to strain fiel
Xiang Jiannan Chen Zhitao Xu Guangyu Li Zhiliang
Abstract:Dimethoxybenzaldehyde was synthesized from p nitrotoluene by oxidation reduction,bromination,diazotization deamination,methoxylation reaction.The overall yield was over 51%.
Abstract:Combined catalytic oxidation of acetaldehyde to glyoxal by HNO 3 with combined catalyst,MAS 02,has been studied.Sodium nitrite is a reaction initiator.The effects of different catalysts,weight ratio of nitric acid to acetaldehyde,concentration of nitric
Zhou Tiean Xie Naixian Nie Lihua Yao Shouzhuo
Abstract:A blood coagulation process on a quartz crystal electrode with a mini dropblood was studied.The characteristic curves of the piezoelectric responses were recorded during a coagulation process.The description of a coagulation process was provided by a set
Abstract:An algorithm for soloving the line of intersection of designing slope and ground for architecture through computer is presented.This way can be widely used for the similar problem and is thoroughly distinguished from the conventional manual operations,whi
Zhou Zhixiong Zhong Changqin Liao Gang
Abstract:Simulating analysis and design of butterfly valve are described using finite element method,its modelling is discussed and the bearing model is simplified.Through the analysis and calculation,the stress of every element on the valve board can be obtained,
Abstract:The causes of producing high frequency stray losses,the methods of analysing high frequency stray losses and the technical measures for reducing high frequency stray losses are presented and analysed.They are valuable and practical for the study,design an
Huang Shoudao Lai Lieen Tan Jianxin Xia Xiaohua
Abstract:According to multi pole operating characteristics of wide pole ratio three speed induction motor,an improved equivalent circuit and a method of performance calculation,based on available design program of induction motor,are proposed.Comparing the resu
Abstract:The conventional fuzzy adaptive control method is based on plant model and its application is restricted.A adaptive control design method for needing not plant model is presented.By which we can efficiently control system with complex structure and uncert
Abstract:The measurement of hot water and its data acquisition system of computer are discussed.The theory,construction and block diagram of the developed heat measurement system are given.
Li Liqing Chen Liyun Liu Jingjing Li Handong
Abstract:Fisrt,the metals Cu,Bi and Ag etc are retrieved by hydrometallurgy to separate cinders using nitric acid and additive.Second,the metal Au leacking of cinders is retrieved by pyrometallurgy.Then,all valuable metals are retrieved effectively and comprehensi
Abstract:对运行的直燃型溴化锂制冷机充注不凝性气体,实验研究了充注不同类型及不同数量的气体后,制冷量的变化,当吸收器不凝气体的质量分数达到9%-10%时。
Zhou Shaorong Chen Yunlin Tang Li Deng Qihong
Abstract:The two typical problems of the air distribution in large space buildings are studied by model experiment method and numerical calculation method.A comparison between the calculation results and model experimental results shows that the numerical calculat
Abstract:According to the features of production in the beer factory,some problems arising during chiller station design using a direct cooling methods are discussed and the corresponding control suggestions are provided.
Abstract:Based on the theory of stress analysis of reinforced concrete cross section and the fomula of the uniform distribution reinforcement in the current specification,a calculation formula for the non uniform distribution reinforcement of eccentric concrete c
Abstract:The south bridge is an important municiple engineering for Changsha city.It is an extra long urban bridge over the Xiangjiang river.Both sides of the river bank are beautiful scenic areas.Based on the analysis of surrounding environment,hydrogeologic con
Abstract:Based on the analysis of the experimental result,the anthor discussed the engineering character for road of the soft sedimentary rock including the clay rocks and clasticrocks,under lacustrme facies in the south Hunan province.
Cheng Jing Zhang Fan Xie Shali
Abstract:Based on the studying on the speciality CIMS Network the queuing strategy and the state speciality equation of the system are given.The transfer probability of a finite proiority queuing system using the residue theorem in complex variables has been succe
Abstract:The application of the world wide web has been rapidly developed.The background of the web,its design goals and the basic architectual principles are presented.The current situation of the web and some promblems are analysed.Finally the future direction a
Yang Guanzhong Lu Yingping Wang Rongxiang
Abstract:By applying matrix model,this paper presents method of solving mapping matrix A i and B i and conditions of state compatibility in Cat.1 incompletely specified sequential machine.According to state compatibility, P k partition of state set
Lai Mingyong Wu Zishen Wang Mingyao
Abstract:The theoretical basis of establishing export encouraging policy effect evaluation model is explored.It sets up a concrete model by using dummy variable vegression analysis technicue.The practicablity of the model is testified by means of applying export