共搜索到16187条信息,每页显示10条信息,共1619页。用时:0小时0分0秒716毫秒
MECHANICS BEHAVIOR ANALYSIS OF SOLIDIFIED COLLOIDAL MATERIAL王建平摘 要:<正> Solidified colloidal material has been widespreadly applied to various fields. Because material is possessed of two special performances: nonhomogeneous and changing physical parameter, it is difficult for mechanics behavior to be described and accordingly the materials......
Properties of vacuum cast CuCr25 and CuCr25Te contact material XIU Shi-xin(修士新)1, YANG Ren(杨 韧)2, XUE Jun(薛 军)3, WANG Jin-xing(汪金星)3 1. State Key Laboratory of Electrical Insulation... element has both advantages and disadvantages on main properties of CuCr contact material. Key words: Te; CuCr contact material; vacuum cast  ......
STUDY ON Na2Y1-xCrxSi4O12 CONDUCTIVE MATERIAL崔万秋,蔡飞虎,徐长海摘 要:<正> Na5Y1-XCrXSi4O12 conductive ceramicsare prepared by solid phase reaction.Crystal phase and microstructure arestudied by using X-ray diffraction (XRD),infrared spectrum and TEM.Conductivityof samples from room temperature to350℃ is measured by admittance bridge.The best composition......
A Study on Shearing Failure Strength of Discontinuous Material Consisited of Cohesive and Cohesionless Particles Yasuo Tanigawa1,Zhuguo Li2,Hiroshi Mori3 (1.Dept. of Arch., Nagoya Univ., Nagoya...:The investigation on the shearing failure strength of discontinuous material such as soil and freshly mixed cementitious material etc. by microscopic approach is presented in this paper. After......
Preparation and properties of Ce0.8Ca0.2O1.8 anode material by glycine-nitrate process LIU Rong-hui(刘荣辉)1, 2, MA Wen-hui(马文会)1, 2, WANG Hua(王 华)1, YANG Bin(杨 斌)1, 2, DAI Yong-nian(戴永年)1, 2 1...; Abstract: Ce0.8Ca0.2O1.8 (CDC82) anode material was prepared by glycine-nitrate process(GNP). Thermogravimetric(TG) analysis......
Synthesis and room temperature ionic conductivity of nano-LaF3 bulk material WU Da-xiong(吴大雄), WU Xi-jun(吴希俊), L? Yan-fei(吕燕飞), WANG Hui(王 晖) Institute of Material Physics and Microstructure... material and a new discovered phenomenon of increasing ionic conductivity caused by grain boundary relaxation activated by AC (alternating current) shocking were reported. Nano-crystalline powder of LaF3......
......
Preparation and electrochemical performance of tantalum-doped lithium titanate as anode material for lithium-ion battery HU Guo-rong, ZHANG Xin-long, PENG Zhong-dong School of Metallurgical...+, which indicates that Li4Ti4.95Ta0.05O12 is a promising candidate material for anodes in lithium-ion battery application. Key words: lithium-ion battery; lithium titanate; anode material; doping 1......
).主系统受到外部荷载f的作用.系统的动力学方程分别如式(1)和(2)所示. 图12 多重动力吸振器力学模型 Fig. 12 Mechanical model of multiple dynamic vibration absorber (1) (2) 令(F为外力幅值,j为虚数,为外荷载频率,t为时间),,,和为主系统与动力吸振器的位移振幅,代入式(1)和(2),联立求得主振动系统的位移振幅为... of dynamic vibration absorber for steel spring floating plate[J]. Urban Rapid Rail Transit, 2018, 31(3): 99-103, 113. [10] 韩西, 李磊, 钟厉, 等. MTMD参数设计控制拱桥竖向振动方法研究[J]. 振动与冲击, 2008, 27(3): 104-107, 135, 183......
Improved Cycle Properties of FeS2 Cathode Material with Metallic Additives Ki-Won Kim1,Gouri Cheruvally2,Jae-Kwang Kim2,Hyo-Jun Ahn1,Jou-Hyeon Ahn2,Jae-Won Choi2,Dong-Kyu Park3 (1.School of Nano... and Engineering Research Institute, Gyeongsang National University, 900 Gajwa-dong, Jinju, 660-701, Korea;3.Kaya Advanced Material Art Inc., Baekrok-Ri 1010-1, Yangsan 626-862, Korea) 摘要:Iron disulfide (FeS2......