YAN Hong ge , CHEN Zhen hua , ZHANG Fu quan FU Jie xing , CHEN Gang
Abstract:Three types of alloy systems Pb Sb,Fe Cu and Al Sn with limited solid resolution are evaporated using induction current as the heating source.Both the formation regularities of the phases in the as prepared ultrafine powders and the morphology and str
CAO Li bo , YANG Hua , GAO Jian yuan
Abstract:The characteristic of the air conditioning system of EV are analyzed.The successful experience adopted abroad is introctuced.The development countermeasure in our country is presented.
Abstract:Based on the eight DOFs vehicle vibration model,a statistical algorithm for vehicle comfort is presented.With the algorithm the discreting road excitations are generated by means of applying AR model in frequency domain,and related parameters are given by
WANG Hui , CHU Guo liang , YANG Yue ling
Abstract:Based on fuzzy control technology,the definition of fuzzy subset on input variable and output variable is presented,and a fuzzy control system is designed to realize substation Vol/Var Coordinated Control.The results of simulation demonstrate that the sys
Abstract:The application of a Partheno Genetic Algorithm (PGA) in Flow Shop with Multiple Processors (FSMP) is studied.Two encoding methods and genetic operative methods for FSMP are given.Experiment results show the efficiency of PGA applied to FSMP.
ZHANG Xiao hua , CHEN Fan cai , ZHAO Chang jiu
Abstract:The influences of the ratio of water and ash content and the amount of the second class powered coal ash on the corrosion behavior of the cast iron(45 carbon steel) in the reinforced concrete are studied by using the coulostatic techniques. The results a
ZHOU Hai hui , KUANG Ya fei , HOU Zhao hui , TANG Hao
Abstract:在磷酸盐混合体系中对LF4合金进行微弧氧化,制得了厚达90μm、显微硬度超过1200HV的陶瓷氧化膜。采用电子能谱(EDS)、X射线衍射(XRD)和扫描电镜(SEM)等表面分析方法综合分析了膜层的成分、形貌及结构,并初步讨论了LF4合金微弧氧化膜的形成过程。
ZHANG Zheng qi , XIONG Jin fang , WANG Xiao bao
Abstract:研究了白蛋白与茜素络合腙 (AL C)的显色反应 .在含 0 .0 15 %Triton X- 10 0 p H3.7的 B- R缓冲溶液中 ,AL C与白蛋白形成红色复合物 ,λmax为 5 40 nm ,ε为 7.5× 10 4L· mol- 1 · cm- 1 ,白蛋白的质量浓度在 5 0mg/L~ 70 0 mg/L 范围内 ,服从 Beer定律 .所提出的方法可直接用于血清中白蛋白含量测定 .
TANG Chang hui , YI Wei jian , SHEN Pu sheng
Abstract:In this paper,the formula of flexural stiffness of unbounded prestressed concrete beams are developed by the method of material mechanics.It is shown that the contribution to the flexural stiffness of the unbounded tendons is smaller than that of the boun
LI Gang , WANG Yi sun , SHANG Shou ping
Abstract:With the help of the additional stress solutions of elastic theory under the action of uniform strip loads and axisymmetric loads,these formulae including different Poisson's ratio are presented for calculating the bearing capacity of soil?By numerical re
Abstract:A practical method of creating perspective drawing in AutoCAD is introduced.In the view of architectural graphical methods,the satisfactory three point,two point and one point perspective drawing can be obtained by the analysis of the interrelation bet
HUANG Wei , LIU Ying xi , ZHOU Cheng fang
Abstract:Based on the result of finite element analysis of temperature field in the dam and back difference method,the basic finite element equations of temperature field are established and the computing program is compiled.It emphasizes the study of temperature
CHEN Wei ping , NIU Qiu ya , WANG Yan , ZENG Ge ming , LI Yan ling , PENG Yan bin , HUANG Jian hui
Abstract:Based on an indium containing metallurgical solution,a selective sulfurization precipitation method for eliminating arsenic is studied.It can eliminate the pollution caused by AsH 3 gas produced in the process of producing indium.The effects of acidity
GONG Guang cai , MEI Chi , ZHOU Ping
Abstract:Three combustion's operation conditions which are equal distribution wind (for all second wind's inlet),pagoda type distribution wind and waist drum type distribution wind,are simulated.The three combustion's operation conditions have characteristic of th
ZHANG Gui fang , TANG Guang fa , LI Nian ping , ZHANG Ling , HUANG Yu
Abstract:On the basis of gray systematic theory,the gray comprehensive evaluation on indoor air quality is studied.According to the computed values,the results using the method are in agreement with that by fuzzy comprehensive evaluation.The research shows that gr
SHEN Yu xiang , ZOU Bei ji , PENG Yong jin
Abstract:Aiming at how to represent and store a facial model in the field of human face modeling,the character of human being's face physilogical structure is analysed at first.Then considering the commonness of faces,a kind of model is presented based on surface
LI Lin , SHEN Wen li , LI Shu cheng
Abstract:Based on the blurred and extensible economic control method principle,the regional economy sustained development implement model is presented.After setting sustained development's current state and final object,the phase middle objects are seted;by use of
QIAN Xiao ying , LAI Ming yong , ZHANG Da qi
Abstract:International trade is playing an important role in China's economic growth,on the other hand,foreign direct investment(FDI)in China is playing an important role in China's trade expansion.The relationship between FDI and trade is investigated empirically
Abstract:A cascadic multigrid method is constructed for the solution of the Lagrange finite element discretization of a kind of one dimensional elliptic variational inequality.The convergence rate O(h L) and the computational cost formulas are obtained.
ZHANG Zhong zhi , HU Xi yan , ZHOU Fu zhao
Abstract:The least squares solutions of inverse problems for D symmetric matrices is discussed,and the general experssions of the solution is obtained.Moreover,for the special cases of the least squares problems,the necessary and sufficient conditions for the s
Abstract:Thin beams on an elastic foundation are analysed by meshless local Petrov Galerkin method.Sobolev norms and relative errors of displacements and energies for a simply supported beam and a clamped beam are given.Results obtained show that the present meth
CHEN Di ping , WANG Zhen dao , JIANG Jian hua , XIA Shi chang , ZHU Xiao li , HUANG Song ren
Abstract:The characteristic of high frequency signal tramsmission in the cable is analysed.According to the transfering formula,the reflecting state of signals is analysed and new scheme is put forward.It can be applied to measure the velocity of high speed system
CHEN Zhen hua , YAN Hong ge , CHEN Gang , ZHANG Fu quan , HU Zhong xun , FU Jie xing
Abstract:Based on an intensive investigation on the principle and processing of conventional spray deposition technology,a new concept termed as multi layer spray deposition (MLSD) is presented,a novel multi layer spray deposition technology is deveploped to pro
ZHOU Sheng mai , LIU Qi cheng , XIA Jin tong
Abstract:用不同比例的生石油焦、B4C和SiC混合磨粉后,无需添加任何粘结剂即可膜压成型、烧结而制得结构密实均匀的碳/陶复合材料,在900℃-1200℃温度范围内对其抗氧化性能进行测试,结果表明抗氧化性能的优劣与B4C和SiC的含量和比例密切相关。