作者: Zhao Xinyu,Gang Tie,Xiao Dingguo,Wang Junren (Zhao Xinyu(Key Laboratory of Fundamental Science for Advanced Machining,School of Mechanical Engineering,Beijing Institute of Technology,Beijing,100081;State Key Laboratory of Advanced Welding Production Technology,Harbin Institute of Technology,Harbin,150001);Gang Tie(State Key Laboratory of Advanced Welding Production Technology,Harbin Institute of Technology,Harbin,150001);Xiao Dingguo,Wang Junren(Key Laboratory of Fundamental Science for Advanced Machining,School of Mechanical Engineering,Beijing Institute of Technology,Beijing,100081))
出处: 中国焊接 2011 第1期 P17-21
关键词: ultrasonic;nondestructive;testing;nickel-based;alloy;weldments;ray;tracing
作者: GUO BaoQiao,XIE HuiMin,ZHU JianGuo,WANG HuaiXi,CHEN PengWan,ZHANG QingMing (Key Laboratory of AppliedMechanics, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China;State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China;Key Laboratory of AppliedMechanics, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China;State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China)
出处: Science China(Physics,Mechanics & Astronomy) 2011 第54卷 第4期 P574-580
关键词: single;lap;joint;shear;modulus;adhesive;interface;failure;digital;image;correlation
摘要: The shear modulus of the adhesive layer and the failure mode of adhesive structure on single lap joint specimens under tensile tests are investigated ...
作者: 刘里,樊孝忠,齐全,刘小明 (Natural Language Processing Laboratory School of Computer Science and Technology Beijing Institute of Technology)
出处: Journal of Beijing Institute of Technology 2011 第20卷 第2期 P244-248
关键词: ontology;conception;extraction;question;expansion;question;trunk;question;similarity;calculation
摘要: A new ontology-based question expansion (OBQE) method is proposed for question similarity calculation in a frequently asked question (FAQ) answering s ...
作者: 姬鹏远1,2;王海福1;郑元枫1;余庆波1; (1State Key Laboratory of Explosive Science and Technology Beijing Institute of Technology;2No.63963 Unit)
出处: Journal of Beijing Institute of Technology 2011 第2期 P187-191
关键词: PELE;terminal;effect;length-diameter;ratio;inner-to-outer;diameter;ratio
摘要: By changing the length-diameter ratios and inner-to-outer diameter ratios, some numerical simulations were made on PELE normal penetrating metal targe ...
作者: 王军1;张幽彤2;韩树1;李炯1; (1Department of Mechanical Engineering Academy of Armored Forces Engineering;2School of Mechanical Engineering Beijing Institute of Technology)
出处: Journal of Beijing Institute of Technology 2011 第2期 P205-210
关键词: combustion;cylinder;presssure;diesel;engine
摘要: According to demand of electronic control and combustion process measurement in diesel engine, cylinder pressure difference method was introduced to s ...
作者: 姬鹏远1,2;王海福1; (1State Key Laboratory of Explosive Science and Technology Beijing Institute of Technology;2No. 63963 Unit)
出处: Journal of Beijing Institute of Technology 2011 第2期 P183-186
关键词: penetrator;with;enhanced;lateral;efficiency(PELE);penetration;ballistic;limit;residual;velocity
摘要: Based on analyzing the conservation of energy of penetrator with enhanced lateral efficiency (PELE) the penetrating against metal target, a theoretica ...
作者: LIU Chang,LIU ShiXing,GUO YongXin (College of Physics, Liaoning University, Shenyang 110036, China;School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China;College of Physics, Liaoning University, Shenyang 110036, China)
出处: Science China(Technological Sciences) 2011 第8期 P2100-2106
关键词: nonholonomic;constraints;inverse;problems;Birkhoff’s;equations;geonotopic;transformations;conditions;of;self-adjointness
摘要: Chaplygin’s nonholonomic systems are familiar mechanical systems subject to unintegrable linear constraints, which can be reduced into holonomic nonco ...
作者: MENG LingChuan,LOU ZhiDong,YANG ShengYi,DENG ZhaoRu (Key Laboratory of Luminescence and Optical Information, Ministry of Education;Institute of Optoelectronic Technology,Beijing Jiaotong University, Beijing 100044, China;School of Material Science and Engineering, Beijing Institute of Technology, Beijing 100081, China)
出处: Science China(Physics,Mechanics & Astronomy) 2011 第54卷 第1期 P84-88
关键词: white;organic;light-emitting;diodes;three;primary;color;emitting;layers;exciton;energy;distribution
摘要: Two types of organic light-emitting diodes with structures of ITO/N,N’-bis(1-naphthyl)-N,N’-diphenyl,1,1’-biphenyl-4,4’-diamine (NPB)/tris(8-hydroquin ...
作者: Hui LI,Haobo CHENG,Yunpeng FENG,H.Y.TAM,Yongfu WEN (School of Optoelectronics, Beijing Institute of Technology, Beijing 100081, China;Department of Manufacturing Engineering and Engineering Management, City University of Hong Kong, Hong Kong, China)
出处: 中国光电子学前沿 2011 第2期
关键词: electrorheological;fluid;polishing;slurry;shear;stress
摘要: Electrorheological (ER) finishing is a promising technique for polishing optical mirrors lenses. Silicone oil-based ER finishing fluid with ceria part ...
作者: Binbin CHEN,Haobo CHENG,Hon Yuen TAM,Hui LI (School of Optoelectronics, Beijing Institute of Technology, Beijing 100081, China;Department of Manufacturing Engineering and Engineering Management, City University of Hong Kong, Hong Kong, China)
出处: 中国光电子学前沿 2011 第4期
关键词: electrorheological;(ER);finishing;roughness;material;removal
摘要: Electrorheological (ER) finishing utilizes the flow of electrically stiffened abrasive fluid through a preset converging gap formed by the work-piece ...
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