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检索条件"作者=2. College of Civil engineering, Zhengzhou university, Zhengzhou 450002, china"
3329 条 记 录,以下是1-10 订阅
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Fracture analysis of a functionally graded interfacial zone between two dissimilar homogeneous materials
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Science china(Physics,Mechanics & Astronomy) 2006年 第5期49卷 540-552页
作者: CHENG Zhanqi1,2.& ZHONG Zheng1 1. School of Aerospace engineering and Applied mechanics, Tongji university, Shanghai 2.0092.{2. 2. college of civil engineering, zhengzhou university, zhengzhou 450002,{2. School of Aerospace engineering and Applied mechanics Tongji University Shanghai China college of civil {2. Zhengzhou University Zhengzhou China
In this paper the plane elasticity problem for a functionally graded interfacial zone containing a crack between two dissimilar homogeneous materials has been considered. It is assumed that in the interfacial zone the... 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
A single observer location method under the scatter signals position disturbance situation:the constraint total least square method
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Science china(Information Sciences) 2011年 第1期54卷 146-152页
作者: YANG TianChi1,YU ChaoQun2.WANG TianPeng1 & JIN Liang1 1National Digital Switching System engineering and Technological Research Center, zhengzhou 450002,{2. 2.urveying and Mapping college of Information engineering university, zhengzhou 450002,{2. National Digital Switching System engineering and Technological Research Center Zhengzhou China Surveying and Mapping college of Information engineering {2. Zhengzhou China
A target position can be estimated using position information from scattered signals in the nonline-of-sight propagation environment in a single observer location *** is always an error in the final estimated result o... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Dynamic Tensile Properties of Concrete under Different Environments
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Journal of Wuhan university of Technology(Materials Science) 2006年 第4期21卷 163-168页
作者: 闫东明 School of civil and Hydraulic engineering Dalian University of Technology Dalian 116024 ChinaSchool of Environment and Water Conservancy Engineering Zhengzhou University Zhengzhou 450002China
By using an MTS810 hydra-electro-servo universal machine, the effect of moisture content and temperature on the rate sensitivity of concrete was irwestigated, the range of strain rate was varying from 10^- 5 / s to ... 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
Controlled free radical polymerization of styrene initiated from the alkoxyamine-functionalized silicon surface
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Science china Chemistry 2005年 第5期48卷 449-458页
作者: CHEN Zhijun1, ZHOU Sikai1, LU Wenzhong1, FANG Shaoming1, JIANG Xiqun2.& YANG Changzheng2.1. college of Materials and Chemical engineering,{2. of Light Industry, zhengzhou 450002, china 2. Laboratory of Mesoscopic Material Science and Department of Polymer Science & engineering, college of Chemistry & Chemical engineering, Nanjing university, Nanjing 2.0093, china college of Materials and Chemical engineering Zhengzhou University of Light Industry Zhengzhou China Laboratory of Mesoscopic Material Science and Department of Polymer Science & engineering College of Chemistry & Chemical Engineering Nanjing University Nanjing China
We describe a new method of fabricating a brush-like polystyrene layer anchored on the surface of the silicon substrate, which involves three steps, namely (i) the attachment of 3-methacryloxypropyltrimethoxysilane on... 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
Dynamic Properties of Concrete under Severe Environmental Condition
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Journal of Wuhan university of Technology(Materials Science) 2010年 第5期25卷 877-882页
作者: 闫东明 Department of Hydraulic and Environmental engineering Zhengzhou University Department of civil and Hydraulic engineering Dalian University of Technology
Exposure to environmental conditions can significantly influence the mechanical behavior of concrete structures in civil engineering. In this study, the effect of environmental factors, such as moisture and temperatur... 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
SYNTHESIS AND CHARACTERIZATION OF ORGANOMONTMORILLONITE AND POLYAMIDE 66/MONTMORILLONITE NANOCOMPOSITES
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Chinese Journal of Polymer Science 2002年 第6期20卷 551-557页
作者: Cheng-shen Zhu Xin Kang Su-qin He Liu-yang Wang Li-yun Lu college of Materials engineering,{2. university, {2. 450052. china college of Materials engineering Zhengzhou University Zhengzhou 450052
The montmorillonites (MMTs), layered, smectite-type silicates, were premodified by two different methods prior to the polymer melt intercalation. In one case MMTs were modified with cetyltrimethylammonium bromide (CTA... 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
A relationship between the nonexistence of generalized bent functions and class groups
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Science china Mathematics 2010年 第1期53卷 213-222页
作者: LIU FengMei 1,& YUE Qin 2. Department of Information Research,college of Information engineering,Information engineering university,zhengzhou 450002,china 2.Department of Mathematics,Nanjing university of Aeronautics and Astronautics,Nanjing 2.0016,china Department of Information Research College of Information Engineering Information Engineering University Zhengzhou China Department of Mathematics Nanjing University of Aeronautics and Astronautics Nanjing China
A new result on the nonexistence of generalized bent functions is presented by using properties of the decomposition law of primes in cyclotomic fields and properties of solutions of some Diophantine equations. At the... 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
A new orthogonality relationship for orthotropic thin plate theory and its variational principle
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Science china(Physics,Mechanics & Astronomy) 2005年 第3期48卷 371-380页
作者: LUO Jianhui 1 , LONG Yuqiu 2.& LIU Guangdong 1 1. college of civil {2., Hunan university, Changsha 410082. china 2. Department of civil {2., Tsinghua university, Beijing 100084, china college of civil {2. Hunan University Changsha China Department of civil engineering Tsinghua University Beijing China
The thought how dual vectors are constructed in a new orthogonality relationship for theory of elasticity is generalized into orthotropic thin plate bending problems by using the analogy theory between plane elasticit... 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
Phylogeny of Ptychostomum (Bryaceae,Musci) inferred from sequences of nuclear ribosomal DNA internal transcribed spacer (ITS) and chloroplast rps4
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Journal of Systematics and Evolution 2009年 第4期47卷 311-320页
作者: ~(1,2.Chen-Ying WANG ~1Jian-Cheng ZHAO~* 1(college of Life Science,Hebei Normal university,Shijiazhuang 050016,{2.) 2.Department of Life Science,zhengzhou Teachers college,zhengzhou 450044,{2.) (college of Life Science Hebei Normal University Shijiazhuang 050016 China) (Department of Life Science Zhengzhou Teachers College Zhengzhou 450044 China)
The phylogeny of Ptychostomum was first undertaken based on analysis of the internal transcribed spacer(ITS)region of the nuclear ribosomal(nr)DNA and by combining data from nrDNA ITS and chloroplast DNA rps4 *** pars... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Hybrid particle swarm cooperative optimization algorithm and its application to MBC in alumina production
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Progress in Natural Science:Materials International 2008年 第11期18卷 1423-1428页
作者: Shengli Song~(a,b) Li Kong~a Yong Gan~b Rijian Su~(a,b) a Department of Control Scienee and engineering,Huazhong university oF Science and Technology,Wuhan 430074,{2. b college of Computer and Communication engineering,zhengzhou university of Light Industry,zhengzhou 450002,{2. Department of Control Science and engineering Huazhong University of Science and Technology Wuhan 430074 China college of Computer and Communication engineering Zhengzhou University of Light Industry Zhengzhou 450002 China
An effective hybrid particle swarm cooperative optimization(HPSCO)algorithm combining simulated annealing method and sim- plex method is *** main idea is to divide particle swarm into several sub-groups and achieve op... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论