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浏览/检索结果: 共17条，第1-10条 帮助

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Statistical analysis of the mid-latitude trough position during different categories of magnetic storms and different storm intensities 期刊论文  OAI收割
EARTH PLANETS AND SPACE, 2016, 卷号: 68
作者:  Yang, Na;  Le, Huijun;  Liu, Libo
  |  收藏  |  浏览/下载：24/0  |  提交时间：2017/11/21
三维水流作用下散列体泥沙的起动研究/Study on sediment incipient motion under the action of three-dimensional flow[J] 期刊论文  OAI收割
泥沙研究, 2015, 卷号: 1, 页码: 7-13
作者:  刘蛟;  严军;  刘铁;  钟瑞森;  LIU Jiao
  |  收藏  |  浏览/下载：30/0  |  提交时间：2017/12/29
Geographic variation of the large-eared field mouse (Apodemus latronum Thomas, 1911) (Rodentia: Muridae) with one new subspecies description verified via cranial morphometric variables and pelage characteristics 期刊论文  OAI收割
ZOOLOGICAL STUDIES, 2014, 卷号: 53, 期号: X, 页码: e23
作者:  Li S*;  Liu SY;  lis@mail.kiz.ac.cn
  |  收藏  |  浏览/下载：22/0  |  提交时间：2014/10/21
中国西北干旱区气温时空变化特征/Research on spatio-temporal change of temperature in the Northwest Arid Area[J] 期刊论文  OAI收割
生态学报, 2013, 卷号: 33, 期号: 13, 页码: 4078-4089
作者:  黄蕊;  徐利岗;  刘俊民;  西北农林科技大学水利与建筑工程学院,杨凌,712100;  中国科学院新疆生态与地理研究所,乌鲁木齐830011
  |  收藏  |  浏览/下载：21/0  |  提交时间：2017/12/29
Water Quality Management Based on Division of Dry and Wet Seasons in Pearl River Delta, China 期刊论文  OAI收割
CLEAN-SOIL AIR WATER, 2012, 卷号: 40, 期号: 4, 页码: 381-393
作者:  Fan, Xiaoyun;  Cui, Baoshan;  Zhang, Kejiang;  Zhang, Zhiming;  Shao, Hongbo
  |  收藏  |  浏览/下载：28/0  |  提交时间：2012/06/13
A high-speed acquisition and processing system of the laser speckle signal on the magnetic fluid (EI CONFERENCE) 会议论文  OAI收割
International Symposium on Photoelectronic Detection and Imaging 2009: Laser Sensing and Imaging, June 17, 2009 - June 19, 2009, Beijing, China
作者:  Sun Y.;  Sun Y.;  Wan Q.-H.
收藏  |  浏览/下载：27/0  |  提交时间：2013/03/25
In order to achieve the dynamical detection and real-time analysis of the movement status of the magnetic fluid  according to the difficulties of the detection of the magnetic fluid  established a high-speed acquisition and processing system of laser speckle signal on the magnetic fluid. First of all  the FPGA (EP2C8T144C8N) drived the linear array CCD(TCD1501D) to scan in the corresponding time sequence given by the computer  collected the laser speckle interferometric image in rapid change on the surface of the magnetic fluid  which followed the movement of the magnetic fluid  and the signal collected by CCD was converted into the digital data through the high-speed A/D convertor and stored into the internal buffer FIFO of the FPGA  whose width and depth were designed by the user as required. Then  the FPGA sent the digital signal of the laser speckle interferometric images into the computer through the USB2.0 highspeed differential bus  whose transmission rate can reach 480Mb/s in theory. Finally  the distribution of the laser speckle on the magnetic fluid was messy and random  which carried certain information about the surface of the magnetic fluid  based on the theories of the statistic correlation and the subdivision of images  analysing and processing the laser speckle interferometric images  indirectly got the movement status of the magnetic fluid under the electromagnetic field. The experimental results show that: the High Speed Acquisition and Processing System has the advantage of full-court  non-contact  non-invasive  high-precision and high reliability and so on. The detection resolution of high speed acquisition and processing system is superior to 1m and the sample rate is 3Msps  which basically meets the requirements of the magnetic fluid movement state detection. 2009 SPIE.  
Characterizing spatial distribution and sources of heavy metals in the soils from mining-smelting activities in Shuikoushan, Hunan Province, China SCI/SSCI论文  OAI收割
2009
Wei C. Y.; Wang C.; Yang L. S.
收藏  |  浏览/下载：22/0  |  提交时间：2012/06/08
Characterizing spatial distribution and sources of heavy metals in the soils from mining-smelting activities in shuikoushan, hunan province, china 期刊论文  iSwitch采集
Journal of environmental sciences-china, 2009, 卷号: 21, 期号: 9, 页码: 1230-1236
作者:  Wei Chaoyang;  Wang Cheng;  Yang Linsheng
收藏  |  浏览/下载：18/0  |  提交时间：2019/05/10
Retrieving groundwater depth in the lower reaches of Tarim River by NDVI 会议论文  OAI收割
Proceedings of SPIE - The International Society for Optical Engineering, Guangzhou, China, 2008
Shen; Qi1; Chen; Yaning2; Xu; Jianhua1; Zhang; Yan1 Source: Proceedings of SPIE - The International Society for Optical Engineering; v 7145; 2008; Geoinformatics 2008 and Joint Conference on GIS and Built Environment: Monitoring and Assessment of Natural Resources and Environments
收藏  |  浏览/下载：27/0  |  提交时间：2011/08/23
Analysis of geographical clustering of birth defects in Heshun county, Shanxi province 期刊论文  OAI收割
INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH, 2008, 卷号: 18, 期号: 4, 页码: 243-252
作者:  Liao, Yilan
收藏  |  浏览/下载：276/64  |  提交时间：2011/06/10