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河州历史上的回族运输商帮 会议论文
首届中国宁夏回商大会文化论坛
作者:  王平
收藏  |  浏览/下载：2/0  |  提交时间：2015/06/26
西北城市清真寺经济结构浅析——以兰州市清真寺为例 会议论文
首届中国宁夏回商大会文化论坛
作者:  王希隆;  喇延真;  王平
收藏  |  浏览/下载：6/0  |  提交时间：2015/06/26
Modification of ZnO films under high energy Xe-ion irradiations 会议论文
作者:  Zang, H.;  Wang, Z. G.;  Peng, X. P.;  Song, Y.;  Liu, C. B.
收藏  |  浏览/下载：13/0  |  提交时间：2018/08/20
Modification of ZnO films under high energy Xe-ion irradiations 会议论文
作者:  Peng, X. P.;  Zang, H.;  Wang, Z. G.;  Song, Y.;  Liu, C. B.
收藏  |  浏览/下载：15/0  |  提交时间：2018/08/20
A novel bottom-emitting vcsel's one-dimension array (EI CONFERENCE) 会议论文
Optoelectronic Materials and Devices III, October 27, 2008 - October 30, 2008, Hangzhou, China
Cui J.; Ning Y.; Li T.; Zhang Y.; Liu G.; Zhang X.; Wang Z.; Shi J.; Kong P.; Qin L.; Liu Y.; Wang L.
收藏  |  浏览/下载：17/0  |  提交时间：2013/03/25
A novel 980nm bottom-emitting VCSELs array with high power density and good beam property of Gaussian far-field distribution is reported. This array is composed of 5 symmetrically-arranged elements of 200m  150m and 100m-diameter  with the center spacings of 300m and 250m respectively. The maximum power is 880mW at a current of 4A  corresponding to lKW/cm2 average optical power density. The differential resistance is 0.09 with a threshold of 0.56A. The novel array is compared with a 300m-aperture-size single device and a 44 2-D array with 50m element aperture size and 250m centre spacing. The three devices have the same lasing area. The conclusion is that the novel array is better in the property of output power  threshold current  lasing spectra  far-field distribution etc. 2008 SPIE.  
Flux-gate Magnetometer for Mars Exploration - art. no. 71292N 会议论文
7th International Symposium on Instrumentation and Control Technology, Beijing, PEOPLES R CHINA, 2008
Hua Zhao; G. W. Zhu; P. Yu; J. D. Wang; M. F. Yu; L. Li; Y. Q. Sun; S. W. Chen; H. Z. Liao; B. Zhou; Y. Y. Feng
收藏  |  浏览/下载：30/0  |  提交时间：2014/04/30
Mechanical characters of relaxing zone of slopes due to excavation 会议论文
作者:  Wang, H.;  Liao, X. P.
收藏  |  浏览/下载：2/0  |  提交时间：2019/11/26
Influence of particle-size distribution on effective properties of nanocomposites 会议论文
Huang, Z. P.; Wang, Z. Q.; Zhao, Y. P.; Wang, J.
收藏  |  浏览/下载：3/0  |  提交时间：2015/11/13
Synthesis and room-temperature ferromagnetism of Zn(0.96)Mn(0.04)O/ZnO coaxial nanocable and Zn(0.96)Mn(0.04)O film 会议论文
作者:  Lee, Y. P.;  Liu, C.;  Li, J. C.;  Lee, Y. S.;  Park, S. Y.
收藏  |  浏览/下载：2/0  |  提交时间：2019/12/05
GRACE Gravity Model Derived by Energy Integral Method 会议论文
作者:  Wang, Z. T.;  Li, J. C.;  Chao, D. B.;  Jiang, W. P.
收藏  |  浏览/下载：1/0  |  提交时间：2019/12/05

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