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Experimental study on abrasion resistance of grinding rolls with stripes surface 会议论文  OAI收割
2013 3rd International Conference on Mechanical Materials and Manufacturing Engineering, ICMMME 2013, October 1, 2013 - October 2, 2013, Shanghai, China
Qi Y. C.; Xu Y. J.; Wang Q. B.; Teng F. M.; Cong Q.; Jin J. F.
收藏  |  浏览/下载：45/0  |  提交时间：2015/04/27
Research on thermistor simulation based on digital potentiometer for microsatellites 会议论文  OAI收割
4th International Conference on Instrumentation and Measurement, Computer, Communication and Control, IMCCC 2014, September 18, 2014 - September 20, 2014, Harbin, Heilongjiang, China
Guangquan Z.; Jiwei Z.; Sirui X.; Wei X.
收藏  |  浏览/下载：9/0  |  提交时间：2015/04/27
Tribological properties of Mos2 thin coatings under liquid lubricating 会议论文  OAI收割
2nd International Conference on Innovation Manufacturing and Engineering Management, IMEM 2012, December 14, 2012 - December 16, 2012, Chongqing, China, December 14, 2012 - December 16, 2012
Bai Y.; Cao P.
收藏  |  浏览/下载：14/0  |  提交时间：2014/05/15
Experimental Research on femto-second laser damaging array CCD cameras 会议论文  OAI收割
2nd International Symposium on Laser Interaction with Matter, LIMIS 2012, September 9, 2012 - September 12, 2012, Xi'an, Shaanxi, China
Shao J.; Jin G.; Wang T.; Wang M.
收藏  |  浏览/下载：16/0  |  提交时间：2014/05/15
Structure and magnetic properties of (Al, Co) Co-doped ZnO thin films (EI CONFERENCE) 会议论文  OAI收割
2012 International Conference on Materials Science and Nanotechnology, ICMSN 2012, November 16, 2012 - November 18, 2012, Guangzhou, China
Cao P.; Bai Y.
收藏  |  浏览/下载：23/0  |  提交时间：2013/03/25
In this study  Zn0.99Co0.01Al0.015O thin film has been prepared by sol-gel method. The structural and magnetic properties of the sample were investigated. X-ray diffraction spectroscopy analyses indicate that the Co and Al codoping can not disturb the structure of ZnO. No additional peaks are observed in the Zn0.99Co0.01Al xO and Al3+ and Co2+ substitute for Zn 2+ without changing the wurtzite structure. The resistance measurements confirm that Al ions increase the free carriers concentration. Based on the above experiments we think the ferromagnetic behavior of the sample could not originate from Co nanoclusters. The presence of free carriers and localized d spins is a prerequisite for the appearance of ferromagnetism. As the result  the carriers generated by Al doping is considered a main factor to induce the ferromagnetic phenomenon. (2013) Trans Tech Publications  Switzerland.  
Tribological properties of Mos2 thin coatings under liquid lubricating (EI CONFERENCE) 会议论文  OAI收割
2nd International Conference on Innovation Manufacturing and Engineering Management, IMEM 2012, December 14, 2012 - December 16, 2012, Chongqing, China
Bai Y.; Cao P.
收藏  |  浏览/下载：30/0  |  提交时间：2013/03/25
The objective of this study is to investigate the effect of solid and liquid lubrication on friction and wear performance of selected solid lubricating coatings  comparative experiments have been carried out on magnetron sputtered MoS2 coatings against Si3N4 ball using a ball-on-disk tribo-tester under the conditions of room temperature and different lubrication. Surface morphology of coatings were investigated by atom force microscope (AFM)  and friction coefficient (COF) and wear rate of solid films were also be analyzed. It was shown that the friction is greatly reduced when the solid film is lubricated with oil and grease simultaneously in comparison with single-lubricant lubrication at the start-up or under boundary lubrication conditions. Liquid lubrication causes a dramatic decrease of the wear-ability of the MoS2 coatings. The effect of oil lubrication to the deterioration of wear resistance of MoS2 film was even worse than lubrication grease. (2013) Trans Tech Publications  Switzerland.  
850nm vertical cavity surface emitting lasers utilizing the self-planar mesa structure 会议论文  OAI收割
5th International Symposium on Photoelectronic Detection and Imaging, ISPDI 2013, June 25, 2013 - June 27, 2013, Beijing, China
作者:  Zhang X.;  Wang L.;  Zhang J.;  Zhang J.;  Zhang J.
收藏  |  浏览/下载：13/0  |  提交时间：2014/05/15
Structure and magnetic properties of (Al, Co) Co-doped ZnO thin films 会议论文  OAI收割
2012 International Conference on Materials Science and Nanotechnology, ICMSN 2012, November 16, 2012 - November 18, 2012, Guangzhou, China, November 16, 2012 - November 18, 2012
Cao P.; Bai Y.
收藏  |  浏览/下载：13/0  |  提交时间：2014/05/15
Optimal design on the drag reduction structure for the cylinder of percussion-compact DTH hammer 会议论文  OAI收割
International Conference on Pipelines and Trenchless Technology 2012: Better Pipeline Infrastructure for a Better Life, ICPTT 2012, October 19, 2012 - October 22, 2012, Wuhan, China
作者:  Zhang Y.
收藏  |  浏览/下载：28/0  |  提交时间：2014/05/15
A novel miniature absolute metal rotary encoder based on Single-track Periodic Gray Code (EI CONFERENCE) 会议论文  OAI收割
2012 2nd International Conference on Instrumentation and Measurement, Computer, Communication and Control, IMCCC 2012, December 8, 2012 - December 10, 2012, Harbin, Heilongjiang, China
作者:  Sun Y.;  Yang S.-W.;  Sun Y.;  Wan Q.-H.
收藏  |  浏览/下载：22/0  |  提交时间：2013/03/25
In order to improve the resolution and enhance the impact resistance and vibration resistance of encoders  a novel absolute metal rotary encoder based on Single-track Periodic Gray Code is presented. The configuration and working principle of the encoder is introduced  and then the metal code disc which can realize full scale absolute encoding on one single track and its corresponding metal slit disc are proposed. Finally  the data acquisition and processing system based on FPGA of encoder is presented. The resolution of the encoder can reach 5.27through electronic subdivision and calibration between the precision code and the coarse code with its volume only 4840mm. The encoder has some advantages such as small volume  low cost  high resolution and strong impact resistance. 2012 IEEE.