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检索条件"作者=jinwu xu, jiwen {2. mechanical engineering School, university of science and technology beijing, beijing 100083, china"
14967 条 记 录,以下是1-10 订阅
排序:
A New Genetic Algorithm Based on Niche Technique and Local Search Method
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Journal of university of science and technology beijing 2001年 第1期8卷 63-68页
作者: jinwu xu, jiwen Liu {2. engineering school, university of science and technology beijing, beijing 100083, china Univ Sci & Technol beijing Sch Mech Engn Beijing 100083 Peoples R China
The genetic algorithm has been widely used in many fields as an easy robust global search and optimization method. In this paper, a new generic algorithm based on niche technique and local search method is presented 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
Study on force chain evolution of rice straw with different length during vibrational compression
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Particuology 2024年 第2期85卷 310-322页
作者: Han Tang Wenlong xu Guixuan Zhu Changsu xu jinwu Wang College of engineering Northeast Agricultural UniversityHarbin150030China
This paper explores the mechanism of force chain evolution and voidage change under vibrational and non-vibrational compression conditions of rice straw of different *** were used to explore the force chain evolution ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Surface Inspection System for Cold Rolled Strips Based on Image ProcessingTechnique
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International Journal of Minerals,Metallurgy and Materials 1999年 第4期13卷 296-298页
作者: Ke xu1 jinwu xu2.Shouli Lu1(l Material {2. and engineering school, university of science and technology beijing, beijing 100083, china2.mechanical engineering school, university of {2. and technology Beding, Beliing 100083, china) Material science and engineering {2. University of Science and Technology Beijing Beijing 100083 China mechanical engineering {2. University of Science and Technology Beijing Beijing 100083 China
A new surface inspection system for cold rolled strips based on image processing is introduced. The system is equipped withtwo different illumination structures and CCD matrix cameras. The structure and image processi... 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
Change Laws of Flake's Temperature during Making a Diamond Film by DC-PJ
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International Journal of Minerals,Metallurgy and Materials 1999年 第2期13卷 97-102页
作者: xuhong Chen Lihe Zhao Fanxiu Lu(mechanical {2. school, university of science and technology beijing, beijing 100083, china) mechanical engineering {2. University of Science and Technology Beijing Beijing 100083 China
When making a diamond film by direct current plasma jet, a kind piece of flake is used as a base body Which the film can beattached to. The flake's temperature is unstable. Therefore, some experiments and constructed ... 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
Nonequilibrium Thermodynamic and Dissipative Structure Mechanism of Fluidized Beds
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International Journal of Minerals,Metallurgy and Materials 1999年 第2期13卷 90-93页
作者: Maozhan Qi Li Wang xuezi Ni (mechanical {2. school, university of science and technology beijing, beijing 100083, china) mechanical engineering {2. University of Science and Technology Beijing Beijing 100083 China
Fluidized beds are nonlinear dynamic systems that exchange mass and energy with outside. They are governed not only byfluid dynamics, but by thermodynamics, especially the second law of thermodynamics as well. Accordi... 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
Prediction and Control of both Wrinkle Limit and Fracture Limiton Cylindrical Cup Deep-drawing(Ⅱ)
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International Journal of Minerals,Metallurgy and Materials 1999年 第3期13卷 201-204页
作者: Junxiang Lei Yonglin Kang(Department of mechanical engineering, Yantai {2., Yantai 2.4005, china)(Material science and engineering school, university of science and technology beijing, beijing 100083, china) Department of mechanical engineering Yantai University Yantai 264005 China Material science and engineering {2. University of Science and Technology Beijing Beijing 100083 China
The prediction and control criterion of both the wrinkle limit and fracture limit on the cylindrical cup deep-drawing are given, and the prediction and control diagram of both the wrinkle limit and fracture limit are ... 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
Two-dimensional simulation on the rolling process of semi-solid 60Si2.n by finite element method
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Journal of university of science and technology beijing 2002年 第4期9卷 273-276页
作者: Renbo Song, Yonglin Kang, xueping Ren, Hongbo Dong, and jiwen WangMaterials {2. and engineering school, university of science and technology beijing, beijing 100083, china Mat. Sci. and Eng. Sch. Univ. of Sci. and Technol. Beijing Beijing 100083 China
The effect of various process variables on the law of metal flow for semi-solid rolling 60Si2.n was studied by finite element method. Semi-solid 60Si2.n can be described as compressible rigid visco-plastic porous mate... 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
Numerical Simulation of Shrinkage Cavity Formation in Spheroidal Graphite Iron Castings Based on Micro Modeling
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International Journal of Minerals,Metallurgy and Materials 1998年 第1期12卷 9-12页
作者: Wenzhen Li Baicheng Liu Shantong Jin (Metallurgy engineering school,{2., beijing 100083, china)(Department of mechanical engineering, Tsinghua university, beijing 100084, china) Metallurgy engineering school University of Science and Technology Beijing Beijing 100083 China Department of mechanical engineering Tsinghua University Beijing 100084 China
A micro-modeling method (MM) for the quantitative prediction of the shrinkage cavity formation in SGiron castings is proposed. The mathematical models describing the volume changes during the solidification ofspheroid... 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
Online application of automatic surface quality inspection system to finishing line of cold rolled strips
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Journal of university of science and technology beijing 2003年 第4期10卷 38-41页
作者: Hao Sun, Ke xu, and jinwu xuNational {2. Research Center of Advanced Rolling, university of science and technology beijing, beijing 100083, china National engineering Research Center of Advanced Rolling. university of science and technology beijing Beijing 100083 China
An automatic surface quality inspection system installed on a finishing lineof cold rolled strips is introduced. The system is able to detect surface defects on cold rolledstrips, such as scratches, coil breaks, rusts... 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
Effects of silver powder particle size on the microstructure and properties of Ag-Yb_2._3 electrical contact materials prepared by spark plasma sintering
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Rare Metals 2010年 第4期29卷 366-370页
作者: CHEN Xiaohua,JIA Chengchang,and LIU Xiangbing school of Materials science and {2.,university of science and technology beijing,beijing 100083,china school of Materials science and {2. University of Science and Technology Beijing Beijing China
mg-Yb2.3 electrical contact materials were fabricated by spark plasma sintefing (SPS). The effects of silver powder particle size on the microstructure and properties of the samples were investigated. The surface mo... 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