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• OAI收割 [11]

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浏览/检索结果: 共11条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 Wear-resistant Ag-MAX phase 3D interpenetrating-phase composites: Processing, structure, and properties 期刊论文  OAI收割 NANO RESEARCH, 2023, 页码: 14 作者:  Guo, Yu;  Xie, Xi;  Liu, Zengqian;  Zhuo, Longchao;  Zhang, Jian   |  收藏  |  浏览/下载：15/0  |  提交时间：2024/01/08 three-dimensional (3D) interpenetrating-phase architecture  Ag-MAX (M = early transition metal  A = element from III or IV main groups  and X = carbon or/and nitrogen) phase composites  melt infiltration  electrical contact materials  mechanical properties  wear resistance   The influence of rare earth element lanthanum on the microstructures and properties of as-cast 8176 (Al-0.5Fe) aluminum alloy 期刊论文  OAI收割 JOURNAL OF ALLOYS AND COMPOUNDS, 2021, 卷号: 859, 页码: 9 作者:  Jiang, Hongxiang;  Li, Shixin;  Zhang, Lili;  He, Jie;  Zheng, Qiuju   |  收藏  |  浏览/下载：39/0  |  提交时间：2021/10/15 Metals and alloys  Trace lanthanum addition  Microstructure  Electrical properties  Mechanical properties   Highly Strong and Conductive Carbon Fibers Originated from Bioinspired Lignin/Nanocellulose Precursors Obtained by Flow-Assisted Alignment and In Situ Interfacial Complexation 期刊论文  OAI收割 ACS SUSTAINABLE CHEMISTRY & ENGINEERING, 2021, 卷号: 9, 期号: 6, 页码: 2591-2599 作者:  Geng, Lihong;  Cai, Yuhua;  Lu, Li;  Zhang, Yaopeng;  Li, Yanxiang   |  收藏  |  浏览/下载：47/0  |  提交时间：2021/08/31 lignin  cellulose nanofibers  carbon fibers  mechanical performance and electrical conductivity   Performance of the insulation mock-ups for the ITER PF6 coil 期刊论文  OAI收割 FUSION ENGINEERING AND DESIGN, 2018, 卷号: 137, 期号: 无, 页码: 362-372 作者:  Wu, Huan   |  收藏  |  浏览/下载：35/0  |  提交时间：2020/03/31 Performance  Electrical and mechanical  Tests  Insulation  Mock-ups  ITER PF6 coil   The wireless network routing protocols and data communication methods for multiple sensor information used in mining mechanical 期刊论文  OAI收割 Key Engineering Materials, 2014, 卷号: 621, 期号: 8, 页码: 288-293 作者:  Wang, Meng1,2;  Tang, Xinyu1,2;  Zeng, Wenxiao1;  Zhou, Junlin1;  Zhang, Ronghui1   |  收藏  |  浏览/下载：15/0  |  提交时间：2021/03/24 Wireless sensor network  Routing protocols  Computer integrated simulation  Mechanical and electrical integration  Mining Mechanical   Application of interferometry measurement in large-scale optic-electrical theodolite (EI CONFERENCE) 会议论文  OAI收割 2012 International Conference on Sensors, Measurement and Intelligent Materials, ICSMIM 2012, December 26, 2012 - December 27, 2012, Guilin, China 作者:  Sun Z. 收藏  |  浏览/下载：39/0  |  提交时间：2013/03/25 Interferometry is a very important method in high accuracy measurement for optical system. This article briefly introduced the conception of interferometry and took a product of 4D Technology as an example to carry on the measurement. A large-scale optic-electrical Theodolite in assemblage was measured  and its primary mirror was 400mm in diameter. With the analysis of the results  some micro adjustments of the mechanical structure proceed  and it made the system perform better. The final results of the whole system is 1.061 in P-V value and 0.1136 in RMS value (=632.8nm)  this meets the demand of optical design and practical application. The result demonstrates that interferometry is a good way to be utilized and optimize in the procedure of assemble. (2013) Trans Tech Publications  Switzerland.   Research on computer control strategy for optical electric tracking system (EI CONFERENCE) 会议论文  OAI收割 2011 IEEE International Conference on Mechatronics and Automation, ICMA 2011, August 7, 2011 - August 10, 2011, Beijing, China 作者:  Li M. 收藏  |  浏览/下载：23/0  |  提交时间：2013/03/25 In this paper  mathematic model and computer control strategy for optical electrical tracking system have been researched and discussed. First  the system's structure and its work process have been analyzed. Second  according to the system's moving law  the system's mathematic model has been built. As to the computer control strategy  trigger guiding  two closed loop PID control method as well as compound control method have been applied to satisfy the tracking accuracy. Third  we apply the bilinear transformation to get the digital system  and the sample time is 800Hz. The simulation results indicate that the maximum tracking error can be limited to less than 0.5 and the regulator time can be 0.04s. Then the control project resonance frequency should be more than 200Hz and the sample frequency should be more than 400Hz to meet the control accuracy requirement. So we can conclude that the system indexes such as swiftness  high accuracy as long as real time have been satisfied. And the requirement of mechanical property has been present which is very useful to mechanical working. 2011 IEEE.   Orientation error analysis of alt-alt photoelectric telescope (EI CONFERENCE) 会议论文  OAI收割 4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, November 19, 2008 - November 21, 2008, Chengdu, China 作者:  Wu X.-X. 收藏  |  浏览/下载：33/0  |  提交时间：2013/03/25 In order to ascertain the effects of main errors of alt-alt photoelectric telescope on measurement accuracy  orientation error is analyzed.For analyzing optical  mechanical and electrical errors from measured target to telescope picture  we construct 7 coordinates such as:the earth's core coordinate  alt-alt coordinate  etc.  carry through 21 times coordinate transformation  form measuring equation with 26 variables. and we utilize Monte Carlo method to calculate the orientation error  analyze the effects of errors upon pointing. The result indicates that the measuring error standard deviation of alt-alt telescope is minimum value about 10? at the zenith zone. and the deviation increases with the rotation angles of longitude and latitude axes. The model and the method not only can analyze and synthesize the main errors  but also provide a reference to the whole design. 2009 SPIE.   Mathematical analysis on deformation and movement Features with stressed lap to off-axis segment 会议论文  OAI收割 Chengdu, China, 2007-7-8 作者:  Gao Bilie 收藏  |  浏览/下载：21/0  |  提交时间：2013/12/29 Mathematical analysis  Stressed lap  Off-axis segment  Mechanical structure  Electrical control  Deformation and movement feature   Electrical resistivity of fully-relaxed grain boundaries in nanocrystalline Cu 期刊论文  OAI收割 Scripta Materialia, 2004, 卷号: 50, 期号: 11, 页码: 1407-1411 L. H. Qian; Q. H. Lu; W. J. Kong; K. Lu 收藏  |  浏览/下载：12/0  |  提交时间：2012/04/14 electrical resistivity  nanocrystalline Cu  relaxation of grain boundary  and magnetron sputtering  microstructure evolution  mechanical attrition  thermal-properties  thin-films  copper  aluminium  fe