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检索条件"主题词=Geometric Parameters"
12 条 记 录,以下是1-10 订阅
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geometric parameters Corresponding to Representations of the Classical Groups with Integral Infinitesimal Characters
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Acta Mathematica Sinica,English Series 1996年 第3期12卷 268-284页
作者: Hou Zixin, Department of Mathematics Nankai University Tianjin, 300071 ChinaZhao Qiang, Department of Mathematics Peking University Beijing, 100871 China and Department of Mathematics Northwest Normal University Lanzhou, 730070 China Department of Mathematics Nankai University Tianjin China Department of Mathematics Peking University Beijing China Department of Mathematics Northwest Normal University Lanzhou China
In this paper we calculate the orbits of flag manifolds of the complex classical groups under the action of the sets of fixed points of Cartan involutions, and determine all the geometric parameters corresponding to r... 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
Force modeling for needle insertion into soft tissue based on mechanical properties and geometric parameters
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High Technology Letters 2014年 第3期20卷 295-300页
作者: 宿志亮 Jiang Shan Wang Xingji Yan Yu Centre for Advanced Mechanisms and Robotics School of Mechanical EngineeringTianjin University Department of Radiation Oncology Thomas Jefferson University
The force model during needle insertion into soft tissue is important for accurate percutaneous *** this paper,a force model for needle insertion into a tissue- equivalent material is presented and a series of experim... 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
Influences of geometric parameters upon Nozzle Performances in Scramjets
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Chinese Journal of Aeronautics 2008年 第6期21卷 506-511页
作者: Li Jianping Song Wenyan Xing Ying Luo Feiteng School of Power and Energy Northwestern Polytechnical University Xi 'an 710072 China
This article investigates and presents the influences of geometric parameters of a scramjet exerting upon its nozzle performances. These parameters include divergent angles, total lengths, height ratios, cowl lengths,... 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
Analysis of thermal conductivity in tree-like branched networks
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Chinese Physics B 2009年 第4期18卷 1553-1559页
作者: 寇建龙 陆杭军 吴锋民 许友生 Institute of Condensed Matter Physics Zhejiang Normal University
Asymmetric tree-like branched networks are explored by geometric algorithms. Based on the network, an analysis of the thermal conductivity is presented. The relationship between effective thermal conductivity and geom... 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
Natural Characteristic of Thin-Wall Pipe under Uniformly Distributed Pressure
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Chinese Journal of Mechanical Engineering 2018年 第6期31卷 118-127页
作者: Chao-Feng Li Qian-Sheng Tang Hou-Xin She Bang-Chun Wen School of Mechanical Engineering & Automation Northeastern University Shenyang 110819 China Key Laboratory of Vibration and Control of Aero-propulsion Systems Northeastern University Shenyang 110819 China
Natural characteristics of thin?wall pipe of the compressor under uniformly distributed pressure were presented in this paper based on a cylindrical shell model. In the traditional method, the beam model was usually u... 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
Modeling investigation of geometric size effect on pervaporation dehydration through scaled-up hollow fiber NaA zeolite membranes
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Chinese Journal of Chemical Engineering 2018年 第7期26卷 1477-1484页
作者: Jiacheng Wang Peng Ye Xuechao Gao Yuting Zhang Xuehong Gu State Key Laboratory of Materials-Oriented Chemical Engineering College of Chemical Engineering Nanjing Tech University
A mass transfer model in consideration of multi-layer resistances through NaA zeolite membrane and lumen pressure drop in the permeate side was developed to describe pervaporation dehydration through scaled-up hollow ... 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
Photochemical Studies on Bicyclo[2.1.1]hexyl Derivatives:Chemical Behavior and Asymmetric Induction
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Chinese Journal of Chemistry 2014年 第4期32卷 307-312页
作者: Manling Ma Feixue Xue Chao Yang Wujiong Xia State Key Lab of Urban Water Resource and Environment the Academy of Fundamental and Interdisciplinary SciencesHarbin Institute of TechnologyHarbinHeilongjiang 150080China
The photochemical behavior of bicyclo[2.1.1]hexyl derivatives was investigated by irradiation with a 450 W medium-pressure mercury lamp in acetonitrile *** irradiation of methyl bicyclo[2.1.1]hexane-5-carbonylbenzoate... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
ELASTIC BEHAVIOR ANALYSIS OF 3D ANGLE-INTERLOCK WOVEN CERAMIC COMPOSITES
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Acta Mechanica Solida Sinica 2006年 第2期19卷 152-159页
作者: Chang Yanjun Jiao Guiqiong Wang Bo Liu Wei School of Mechanics and Civil Construction Northwestern Polytechnical University Xi'an 710072 China School of Science Xi'an University of Architecture 8JTechnology Xi'an 710055 China
A micromechanical model for elastic behavior analysis of angle-interlock woven ceramic composites is proposed in this paper. This model takes into account the actual fabric structure by considering the fiber undulatio... 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
Fundamental Characteristics of Tropical Rain Cell Structures as Measured by TRMM PR
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Journal of Meteorological Research 2020年 第6期34卷 1129-1150页
作者: Yunfei FU Yilun CHEN Xiangdong ZHANG Yu WANG Rui LI Qi LIU Lei ZHONG Qiong ZHANG Aoqi ZHANG School of Earth and Space Sciences University of Science and Technology of ChinaHefei 230026China International Arctic Research Center and Department of Atmospheric Sciences University of Alaska FairbanksFairbanksAK 99775USA Department of Physical Geography and Bolin Center for Climate Research Stockholm UniversityStockholm 10691Sweden
Rain cells are the most elementary unit of precipitation system in *** this study,fundamental geometric and physical characteristics of rain cells over tropical land and ocean areas are investigated by using 15-yr mea... 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
Effect of Various Field Shapers on Magnetic Pressure in Electromagnetic Inward Tube Forming
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Journal of Iron and Steel Research International 2012年 第S1期19卷 86-89页
作者: Ehsan Garzan Hossein Ebrahimi Ali Reza Fallahi Arezoodar Department of Mechanical Eng. AMIRKABIR University of TechnologyTehranIran
In this paper,the influence of various field shapers and their shapes on the distribution of the magnetic flux densities and applied forces on the work-piece in the electromagnetic inward tube forming are studied nume... 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