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Application of a nanotechnology antimicrobial spray to prevent lower urinary tract infection: a multicenter urology trial 会议论文
7th Annual Conference of the Organisation-for-Oncology-and-Translational-Research (OOTR), Hong Kong, PEOPLES R CHINA, MAY 13-14, 2011
作者:  He, W;  Ng, ELY;  Yip, AYS;  Chow, LWC;  Loo, WTY
收藏  |  浏览/下载：2/0  |  提交时间：2017/01/17
Retrieval of snow depth in Northeast China using FY-3B/MWRI passive microwave remote sensing data (EI CONFERENCE) 会议论文
Satellite Data Compression, Communications, and Processing VIII, August 12, 2012 - August 13, 2012, San Diego, CA, United states
Ren R.; Gu L.; Chen H.; Cao J.
收藏  |  浏览/下载：129/0  |  提交时间：2013/03/25
Comparing with optical remote sensing techniques  passive remote sensing data have been proved to be effective for observing snowpack parameters such as snow depth and snow water equivalent  which can penetrate snowpack without clouds interferences. The Microwave Radiation Imager (MWRI) loaded on the Chinese FengYun-3B (FY-3B) satellite is gradually used in the global environment research through November  2011. In this paper  we proposed a snow depth retrieval algorithm to estimate snow depth in Northeast China using MWRI passive microwave remote sensing data. A decision tree method of snow identification was firstly designed to distinguish different snow cover conditions in order to eliminate other interference signals. After using the proposed decision tree method  the processing results were further used to retrieve the snow depth in Northeast China. Finally  the practical snow depth data and the MODIS data were collected for the accuracy assessment of the proposed snow depth retrieval method. The experimental results demonstrated that the RMSE of snow depth used the proposed method was approximately 3 cm in Northeast China. 2012 SPIE.  
Evaluation of spatial upscaling methods based on remote sensing data with multiple spatial resolutions (EI CONFERENCE) 会议论文
Satellite Data Compression, Communications, and Processing VIII, August 12, 2012 - August 13, 2012, San Diego, CA, United states
Ren R.; Gu L.; Cao J.; Chen H.; Sun J.
收藏  |  浏览/下载：28/0  |  提交时间：2013/03/25
In most applications of remote sensing data  special spatial information is required from a finer to a coarser spatial resolution with appropriate upscaling methods. The purpose of this paper is to compare and evaluate current spatial upscaling methods using MODIS remote sensing data with multiple spatial resolutions. In the research  Northeast China was selected as the study area. MODIS data with spatial resolutions of 250 m (2 bands) and 500 m (7 bands) were used as the test data. Through using the selected upscaling methods  the Band 1 and Band 2 data of MODIS were scaled up from 250 m to 500 m spatial resolution. On the basis of land cover characteristics of Northeast China  the MODIS data located in the study area was classified into the five land cover types  including water  grasslands  forests  farmlands and bare lands using maximum likelihood method. The land cover classification results were further compared with MODIS Land Cover Type product. Finally  Structural Similarity (SSIM) was selected to evaluate the effects of these upscaling methods. The research can provide more useful information for spatial scaling transformation in remote sensing data applications. 2012 SPIE.  
VIROLOGICAL BREAKTHROUGH AND GENOTYPIC RESISTANCE IN A RANDOMIZED, CONTROLLED STUDY ON TELBIVUDINE TREATMENT APPLYING ROADMAP CONCEPT IN CHB: W76 INTERIM ANALYSIS OF EFFORT STUDY 会议论文
作者:  Cheng, J.;  Yu, Y.;  Wang, H.;  Xu, M.;  Shi, G.
收藏  |  浏览/下载：4/0  |  提交时间：2019/12/05
Electron impact dissociative ionization of methane: Formation of protons 会议论文
Belfast, United kingdom
作者:  Xu, S.;  Ma, X.;  Ren, X.;  Senftleben, A.;  Pflüger, T.
收藏  |  浏览/下载：3/0  |  提交时间：2019/03/27
Nuclear neutron densities and parity violating electron scattering 会议论文
作者:  Dong, T. K.;  Chu, Y. Y.;  Ren, Z. Z.;  Freeman, S;  Andreyev, A
收藏  |  浏览/下载：10/0  |  提交时间：2018/08/20
Remagnetization effects due to lateral displacement above a PMG on bulk HTS magnet 会议论文
Delhi, INDIA, NOV 16-18, 2011
作者:  Liu, W.;  Wang, J. S.;  Ma, G. T.;  Zheng, J.;  Ren, J. F.
收藏  |  浏览/下载：3/0  |  提交时间：2019/12/04
Case analysis and safety issues in demolition blasting technique of an old-fashioned chimney 会议论文
2nd ISRM International Young Scholars' Symposium on Rock Mechanics, Beijing, PEOPLES R CHINA, OCT 14-16, 2011
作者:  Chu, F.J.;  Zheng, D.M.;  Feng, J.Z.;  Tan, H.;  Ren, S.F.
收藏  |  浏览/下载：3/0  |  提交时间：2019/12/04
POST-CLASSIFICATION APPROACH BASED ON GEOSTATISTICS TO REMOTE SENSING IMAGES : SPECTRAL AND SPATIAL INFORMATION FUSION 会议论文
作者:  Yao, N.;  Lin, Z. J.;  Zhang, J. X.;  Ren, C. F.
收藏  |  浏览/下载：1/0  |  提交时间：2019/12/05
A Helium Injector for Coupled RFQ and SFRFQ Cavity Project at Peking University 会议论文
Proceedings of the 26th International Linear Accelerator Conference, Israel, 2012
作者:  S.X.Peng;  J.Chen;  J.E.Chen;  S.L.Gao;  Z.Y.Guo
收藏  |  浏览/下载：8/0  |  提交时间：2016/10/09

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