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检索条件"主题词=three-point"
15 条 记 录,以下是1-10 订阅
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Analysis and research on Maximum Power point Tracking of Photovoltaic Array with Fuzzy Logic Control and three-point Weight Comparison Method
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Science China(Technological Sciences) 2010年 第8期53卷 2183-2189页
作者: LIN Kuang-Jang LIN Chii-Ruey Department of Energy and Refrigerating Air-Conditioning Engineering NTUTTaipeiChina Department of Mechanical Engineering NTUTTaipeiChina
The Photovoltaic Array has a best optimal operating point where the array operating can obtain the maximum power.However, the optimal operating point can be compromised by the strength of solar radiation,angle,and by ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
three-point TRANSITION FUNCTIONS FOR TWO-PARAMETER MARKOV CHAINS AND THEIR FOUR SYSTEMS OF PARTIAL DIFFERENTIAL EQUATIONS
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Science China Mathematics 1992年 第7期35卷 806-818页
作者: 郭军义 杨向群 Hebei Normal University Shijiazhuang 050016 PRC Changsha Normal University of Water Resources and Electric Power Changsha 410077 PRC
Analytic properties of three-point transition functions for wide-past Markov chains with two parameters are investigated. The concept "Standardness" is introduced. For standard three-point transition functions, four s... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
three-point BOUNDARY VALUE PROBLEMSFOR A CLASS OF three ORDER DIFFERENTIAL INCLUSIONS
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Systems Science and Mathematical Sciences 1998年 第2期11卷 144-149页
作者: ZHANG Fubao(Department of Mathematics, Shandong University, Jinan 250100, China) 山东大学数学系 山东 济南
Some existence theorems of three-point boundary value problems for a class ofthree order differential inclusions are obtained by means of the topological degree theory forset-valued mappings and an improved Wirtinger... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Existence of Multiple Positive Solutions for Third-Order three-point Boundary Value Problem
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Journal of Applied Mathematics and Physics 2019年 第7期7卷 1463-1472页
作者: Qiufeng Chen Jianli Li Key Laboratory of High Performance Computing and Stochastic Information Processing (HPCSIP) Changsha China School of Mathematics and Statistics Hunan Normal University Changsha China
In this paper, we study the existence of positive solutions for a class of third-order three-point boundary value problem. By employing the fixed point theorem on cone, some new criteria to ensure the three-point boun... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Symmetric Positive Solutions of Nonlinear Singular Second-order three-point Boundary Value Problem
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Chinese Quarterly Journal of Mathematics 2015年 第3期30卷 358-365页
作者: 吴红萍 College of Mathematics and Statistics Northwest Normal University
In this paper, the second-order three-point boundary value problem u(t) + λa(t)f(t, u(t)) = 0, 0 < t < 1,u(t) = u(1- t), u(0)- u(1) = u(12)is studied, where λ is a positive parameter, under various assumption on a a... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
The Existence and Uniqueness of Positive Solutions for a Singular Nonlinear three-point Boundary Value Problems
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Journal of Applied Mathematics and Physics 2018年 第12期6卷 2600-2620页
作者: Yao Dong Baoqiang Yan School of Mathematical Sciences Shandong Normal University Jinan China
Using the method of lower and upper solutions, we study the following singular nonlinear three-point boundary value problems: , where K ∈ C[0,1] ,0 α η < 1 and λ is a positive parameter and present the existence, ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Existence and Uniqueness of Positive Solution for Third-Order three-point Boundary Value Problems
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Advances in Pure Mathematics 2014年 第6期4卷 282-288页
作者: Tongchun Hu Yongping Sun College of Electron and Information Zhejiang University of Media and Communications Hangzhou China Department of Public Teaching Hangzhou Polytechnic Hangzhou China
This paper is devoted to the study of the existence and uniqueness of the positive solution for a type of the nonlinear third-order three-point boundary value problem. Our results are based on an iterative method and ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
3D fracture modelling and limit state analysis of prestressed composite concrete pipes
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Frontiers of Structural and Civil Engineering 2019年 第1期13卷 165-175页
作者: Pengfei HE Yang SHEN Yun GU Pangyong SHEN School of Aerospace Engineering and Applied Mechanics Tongji UniversityShanghai 200092China Shanghai SMI Engineering Project Management Co. Ltd.Shanghai 201103China
In this manuscript,we study fracture of prestressed cylindrical concrete pipes.Such concrete pipes play a major role in tunneling and underground engineering.The structure is modelled fully in 3D using three-dimension... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Mesoscale fracture behavior of Longmaxi outcrop shale with different bedding angles:Experimental and numerical investigations
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Journal of Rock Mechanics and Geotechnical Engineering 2020年 第2期12卷 297-309页
作者: Jianping Zuo Jingfang Lu Rojin Ghandriz Jintao Wang Yanhong Li Xiaoyan Zhang Jun Li Hongtao Li School of Mechanics and Civil Engineering China University of Mining and TechnologyBeijing100083China State Key Laboratory of Coal Resources and Safe Mining China University of Mining and TechnologyBeijing100083China Department of Mechanical Engineering University of MassachusettsDartmouth02747USA
The mechanical properties and fracturing mechanism of shale containing beddings are critically important in shale gas exploitation and wellbore stability.To investigate the effects of shale bedding on crack behavior a... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Representation theory of the system quiver
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Science China Mathematics 2003年 第6期46卷 789-803页
作者: 李龙才 张英伯 Department of Mathematics Beijing Normal University Beijing 100875 China Academy of Mathematics and System Sciences Chinese Academy of Sciences Beijing 100080 China
Let A be a three-point algebra with Gabriel quiver the system quiver Q. Then, up to isomorphism and duality, A is tame if and only if A is or degenerates to a factor of a tame algebra in the tame Table T if and only i... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论