共搜索到15578条信息，每页显示10条信息，共1558页。用时：0小时0分0秒843毫秒
Research on Up-Conversion Mechanism in Er3+/Yb3+-Codoped Oxyfluoride Glass Wu Rinang1,Wang Weizhong1,Zhang Xiyan1,Zeng Bin1,Kan Jiaqiang1,Xue Huili1,Yang Kuisheng1 (1.School of Material Science... fluorescent photometer pumped by 980 nm wavelength laser. The up-conversion luminescence mechanism was illuminated on the view of the photophysics. By measuring the relationship between luminescent intensity......
MICROSTRUCTURAL FORMATION MECHANISM OF SEMI-SOLID AZ91D ALLOY H.T. Chen1,W.M.Mao1,Z.S.Zhen1,X.Y.Zhong1 (1.School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing100083, China) Abstract:With the help of an electromagnetic stirring device and alloy melt quenching technology, the microstructure of semi-solid AZ9lD magnesium alloy slurry stirred......
......
J. Cent. South Univ. (2016) 23: 1243-1252 DOI: 10.1007/s11771-016-0374-7 Reliability analysis of supporting pressure in tunnels based on three-dimensional failure mechanism LUO Wei-hua(罗卫华)1, LI Wen... and Springer-Verlag Berlin Heidelberg 2016 Abstract: Based on nonlinear failure criterion, a three-dimensional failure mechanism of the possible collapse of deep tunnel is presented with limit analysis......
A hybrid coercivity mechanism for exchange-coupled nanocomposite permanent magnetsLei Qiu1,Li Zhao1,Xiaojiao Weng1,Laichuan Shen1,Guoping Zhao1,2,3,Fang Wang2,Linhua Xie11. College of Physics... and Technology, Yanshan University摘 要:We propose a hybrid coercivity mechanism for exchange-coupled hard/soft multilayers, which incorporates elements of both......
A hybrid coercivity mechanism for exchange-coupled nanocomposite permanent magnetsLei Qiu1,Li Zhao1,Xiaojiao Weng1,Laichuan Shen1,Guoping Zhao1,2,3,Fang Wang2,Linhua Xie11. College of Physics... and Technology, Yanshan University摘 要:We propose a hybrid coercivity mechanism for exchange-coupled hard/soft multilayers, which incorporates elements of both......
Deformation Mechanism and Hot Workability of Extruded Magnesium Alloy AZ31Zhao-Yang Jin1,Nan-Nan Li1,Kai Yan1,Jian Wang2,Jing Bai3,Hongbiao Dong41. School of Mechanical Engineering, Yangzhou... alloy AZ31 was established to analyze the hot workability. Stress exponent and activation energy were calculated to characterize the deformation mechanism. Then, the effects of hot deformation parameters......
J. Cent. South Univ. (2017) 24: 1133-1143 DOI: 10.1007/s11771-017-3516-7 Innovative design and motion mechanism analysis for a multi-moving state autonomous underwater vehicles GAO Fu-dong(高富东)1.... Then five new theories and methods were proposed about the motion mechanism of the AUV such as vectorial thruster technology, design of a new wheel propeller, kinematics and dynamics, navigation......
Warm deformation mechanism of hot-rolled Mg alloy LIU Jun-wei(刘俊伟), CHEN Ding(陈 鼎), CHEN Zhen-hua(陈振华) College of Materials Science and Engineering, Hunan University, Changsha 410082, China... and basal slip, when the temperature is below recrystallization temperature. 3.2 Microstructure evolution To analyze the deformation mechanism of AZ31 Mg alloy from the viewpoint of microstructure......
Simulation on function mechanism of T1(Al2CuLi) precipitate in localized corrosion of Al-Cu-Li alloys LI Jin-feng(李劲风), ZHENG Zi-qiao(郑子樵), REN Wen-da(任文达) , CHEN Wen-jing(陈文敬), ZHAO Xu-shan(赵旭山...; Abstract: To clarify the corrosion mechanism associated with the precipitate of T1(Al2CuLi) in Al-Li alloys, the simulated bulk precipitate of T1 was fabricated through melting......
