Xie Naixian Si Shihui Gao Qianlei
Abstract:四甲基苯醌在氯化正丁基吡啶-AlCl_3室温熔盐中的电化学行为,和室温熔盐的酸碱度有关,在碱性熔盐中,四甲基苯醌以不络合的形式存在,电极上的还原过程是一个ECE过程;在酸性熔盐中,形成络合物TQ(AlCl_3)_m,络合数m为1,2,3,随熔盐酸度变化,此外,醌类物质芳香环上的取代基,也影响其电化学性质。吸电子基团使还原电位正移,推电子基团使还原电位负移。
Abstract:In this paper,we consider a kind of nonlinear variational inequality withbox set. The convergence theorems of asynchronous parallel successive overrelaxationare established.
Abstract:By using the generalized singular value decomposition,we give the gener-al solution of a kind of minimization problems. The sufficient and necessary conditions for the existence of the solutions to the corresponding matrix equations are obtained and the g
Abstract:In this paper we investigate the oscillation of a type of neutral equation with variable coefficients. Some sufficient condition of the oscillation and of the existence of non-oscillatory solutions for Eq.(1) are established. The necessary and sufficient
Abstract:In this paper a closed form of the dynamic fundamental solution of ax-isymmetric elasticity is presented. The closed form is deduced by making use of the series expansion techniques and the recurrence formulae of elliptic integrals. When the frequency is
Zeng Guangming Yuan Xinzhong Yang Chunping
Abstract:Based on grey model,a forecasting method for discharged pollutant quantities of urban exploitation region with partly determining construction scale and lay-outis developed. Some related detailed treatment and the steps of the application of themethod wer
Yang Changzhi Chen Zaikang Sun Yijian Peng Jianguo
Abstract:Regarding the least initial investing expenses and operating expense wehave studied the economic flowing speed for heating,air-condition engineering water system pipe in this paper,The mathematical expression formula has been derived. The influence of flo
Yang Chunping Yuan Xinzhong Zeng Guangming Gong Guangcai Zhang Panyue Jiang Xiaochi
Abstract:In this paper,two-dimensional numerical calculation of water quality inHengyang City proper section of the Xiangjiang River is studied considering the effect ofDayuandu Navigational Key Project of the River. The section is winding , and has aBranch as wel
Li Zhiliang Yoshida H Liang Benxi Li Zhizhang Sakai M
Abstract:研究了灰色理论作为一种有用的化学计量学多元建模与定量预测新方法的可行性,将其应用于某些不确定关系如电泳迁移率,色谱保留值和农药需求量等建模,定量预测结果良好。
Abstract:This article expounded the reasons of sudden automatic explosions in bu-tadiene systems. It is because oxygen entered into the systems and formed butadiene polyperoxide. The article verified this kind of explosion by experiments,pointed out the compositi
Cao Guobin Li Junzhong Cheng Zhuxin Lin Huixiang
Abstract:用石英隔离的平行电极交流放电装置使N2,H2混合气体放电,在改变交流放电频率时分别得到三种等离子体产物:HN3,N2H4和NH3放电区内电场强度变化数倍和改变混合气体的配比,只能改变放电生成物(密度),而不能改变其物种。
Abstract:This paper presents a self-tuning control based on fuzzy neural networks,and describes the methods for representing the knowledge rule of the fuzzy control,fuzzy reasoning, and learning algorithm using multilayers neural networks. Simulation results show
Abstract:In this paper the mathematical model of ideal speed curve for elevatorwas proposed. The parameters of speed curve was optimized based on engineering prac-tice. The operation speed curve V=f(s)of elevator based on the distance control wasobtained successfu
Xiao Lejun Nie Guangqian Liu Fusheng
Abstract:Considering the unsymmetrical characteristic of the ABC threephase constructure of the impedance-matching balance transformer and adopting the phase components method, the short-circuit calculation formulae of three-phase and two-phase sidesare deduced in
Guo Wenjun Li Zhiyuan Xie Huiming
Abstract:In measuring the ratio of fluctuation of speed the paper proposes usingmicrocomputer instesd traditional measuring devices. We prensent the data aquisitionsystem and data management methods, propose to determine the maximal speed andminimal speed. The mic
Abstract:Accrding to thermodynamics principle this paper has analyzed themethod for accurately nozzel flow coefficient. Based on it we proposed the nozzel deviceof marking gas measuring flowmeter. The device is controlled and calculated by a mini-computer. The dev
Zhong Changqin He Bingsheng Wen Songming Hu Zhongxin
Abstract:In order to optimize the geometries of the CMFD (chinos Multi-FacetDrills)for drilling bearing steel, the comparative experiments and analysis of thedrilling forces have performed, based on the tool life experiments of three differenttypes of drills.
Abstract:In this paper, the effeefs of modification on the microstructure,mechanical properties and abrasion resistance of low chromium wearresistant cast iron meltedwith tungsten slag are investigated. The results obtained show that the morphology ofcarbides in t
Abstract:本文探讨了横向荷载位置对箱梁剪力滞效应的影响,给出了该问题的全部公式,并引入了一个参数“e”,通过它可以找到出现负剪力滞效应和无荷载效应等两种情况所对应的横向荷载位置。
Huang Likui Fang zhi Li Zhiping
Abstract:In this paper,the relationships of rigidity indexes of two foundation mod-els under rigid pavements are studied based on the finite element analysis of slabs on e-lastic foundation , and a set of E_s-K conversion formulas are presented. The practica-blene
Abstract:Through proceeding from the stocks combination investment for dispering risk, the authors discuss and find out the efficient set and the efficient boundary ofthe stocks combination investment,and analyze the effects on the investment risk by thedifferent