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| 1 | Structural shifts of mucosa-associated lactobacilli and Clostridium leptum subgroup in patients with ulcerative colitis显示文摘 | Zhang ML Liu BY Zhang Y Wei H Lei YF Zhao LP | 2007 | 中国生物学文摘2007，21，8： | 14 |
| 2 | Quantitative estimation of the shrub canopy LAI from atmosphere-corrected HJ-1 CCD data in Mu Us Sandland显示文摘The leaf area index(LAI) is an important ecological parameter that characterizes the interface between vegetation canopy and the atmosphere.In addition,it is used by most process-oriented ecosystem models.This paper investigates the potential of HJ-1 CCD data combined with linear spectral unmixing and an inverted geometric-optical model for the retrieval of the shrub LAI in Wushen Banner of Inner Mongolia in the Mu Us Sandland.MODTRAN(Moderate Resolution Atmospheric Radiance and Transmittance Model) was used for atmospheric correction.Shrubland was extracted using the threshold of the normalized difference vegetation index,with which water bodies and farmland were separated,in combination with a vegetation map of the People's Republic of China(1:1000000).Using the geometric-optical model,we derive the per-pixel reflectance as a simple linear combination of two components,namely sunlit background and other.The fraction of sunlit background is related to the shrub LAI.With the support of HJ-1 CCD data,we employ linear spectral unmixing to obtain the fraction of sunlit background in an atmospherically corrected HJ image.In addition,we use the measured shrub canopy structural parameters for shrub communities to invert the geometric-optical model and retrieve the pixel-based shrub LAI.In total,18 sample plots collected in Wushen Banner of Inner Mongolia are used for validation.The results of the shrub LAI show good agreement with R2 of 0.817 and a root-mean-squared error of 0.173. | CHEN Wei1,2,CAO ChunXiang1,HE QiSheng1,2,GUO HuaDong3,ZHANG Hao1,2,LI RenQiang4,ZHENG Sheng1,2,XU Min1,2,GAO MengXu1,2,ZHAO Jian1,2,LI Sha1,NI XiLiang1,2,JIA HuiCong1,JI Wei1,TIAN Rong1,2,LIU Cheng1,2,ZHAO YuXing5 & LI JingLu6 1 State Key Laboratory of Remote Sensing Science,Jointly Sponsored by the Institute of Remote Sensing Applications of Chinese Academy of Sciences and Beijing Normal University,Beijing 100101,China 2 Graduate University of Chinese Academy of Sciences,Beijing 100049,China 3 Center for Earth Observation and Digital Earth,Chinese Academy of Sciences,Beijing 100190,China 4 China Key Laboratory of Ecological Network Observation and Modeling,Institute of Geographical Sciences and Natural Resources Research,Chinese Academy of Sciences,Beijing 100101,China 5 Ordos Forestry Sand Control Science Institute,Dongsheng 017000,China 6 Inner Mongolia Biomass Thermoelectricity Limited Company,Wushen 017300,China | 2010 | Science China Earth Sciences2010，53，S1： | 6 |
| 3 | Spatial prediction and analysis of Himalayan marmot plague natural epidemic foci in China based on HJ-1 satellite data显示文摘Plague,caused by the gram-negative bacterium Yersinia pestis,is a serious and rapidly progressing illness in humans that can be fatal if not treated effectively.The Qinghai-Tibet Plateau is the largest area of natural Himalayan marmot(Marmota himalayana) plague foci in China and covers more than 630000 km2.Akesai County in Gansu Province is a part of this natural focus of plague and was chosen as a study area.Our study used an ecological niche modeling(ENM) approach to predict the potential distribution of the Himalayan marmot.Environment and Disaster Monitor Satellite(HJ-1) data was used to investigate environment factors that affect plague host animal activity.Host animal point data from active surveillance was combined with environmental variables from the HJ-1 satellite and other databases,and the models of the potential distribution of Himalayan marmot were produced with the Genetic Algorithm for Rule-Set Production(GARP).The probability of marmot presence was divided into 0-5%,5%-20%,20%-40%,40%-80%,and 80%-100% subgroups.Areas with 80%-100% probability exhibited the greatest potential for the presence of Himalayan marmot.According to the predicted potential distribution of Himalayan marmot in the study area,active surveillance of plague hosts and plague control and prevention could be more efficient. | GAO MengXu1,4,LI XiaoWen1,2,CAO ChunXiang1,ZHANG Hao1,LI Qun3,ZHOU Hang3 HE QiSheng1,4,XU Min1,4,ZHAO Jian1,4,ZHENG Sheng1,4 & CHEN Wei1,4 1State Key Laboratory of Remote Sensing Science,Jointly Sponsored by the Institute of Remote Sensing Applications of Chinese Academy of Sciences and Beijing Normal University,Beijing 100101,China 2School of Geography,Beijing Normal University,Beijing 100875,China 3Office for Disease Control and Emergency Response,Chinese Center for Disease Control and Prevention,Beijing 102206,China 4Graduate University of Chinese Academy of Sciences,Beijing 100049,China | 2010 | Science China Earth Sciences2010，53，S1： | 5 |
| 4 | Remote sensing based shrub above-ground biomass and carbon storage mapping in Mu Us desert,China显示文摘The estimation of above-ground biomass(AGB) and carbon storage is very important for arid and semi-arid ecosystems.HJ-1A/B satellite data combined with field measurement data was used for the estimation of shrub AGB and carbon storage in the Mu Us desert,China.The correlations of shrub AGB and spectral reflectance of four bands as well as their combined vegetation indexes were respectively analyzed and stepwise regression analysis was employed to establish AGB prediction equation.The prediction equation based on ratio vegetation index(RVI)was proved to be more suitable for shrub AGB estimation in the Mu Us desert than others.Shrub AGB and carbon storage were mapped using the RVI based prediction model in final.The statistics showed the western Mu Us desert has relatively high AGB and carbon storage,and that the gross shrub carton storage in Mu Us desert reaches 16 799 200 t,which has greatly contributed to the carbon fixation in northern China. | XU Min 1,2,CAO ChunXiang 1,TONG QingXi 1,LI ZengYuan 3,ZHANG Hao 1,HE QiSheng 1,2,GAO MengXu 1,2,ZHAO Jian 1,2,ZHENG Sheng 1,2,CHEN Wei 1,2 & ZHENG LanFen 1 1State Key Laboratory of Remote Sensing Science,Jointly Sponsored by the Institute of Remote Sensing Applications of Chinese Academy of Sciences and Beijing Normal University,Beijing 100101,China 2 Graduate School of the Chinese Academy of Sciences,Beijing 100049,China 3 Research Institute of Forest Resources and Information Techniques,Chinese Academy of Forestry,Beijing 10009,China | 2010 | Science China(Technological Sciences)2010，53，S1： | 5 |
| 5 | Parallel algorithm for real-time contouring from grid DEM on modern GPUs显示文摘A real-time algorithm for constructing contour maps from grid DEM data is pre-sented.It runs completely within the programmable 3D visualization pipeline.The interpolation is paralleled by rasterizer units in the graphics card,and contour line extraction is paralleled by pixel shader.During each frame of the rendering,we first make an elevation gradient map out of original terrain vertex data,then figure out the final contour lines with image-space processing,and directly blend the results on the original scene to obtain a final scene with contour map using alpha-blending.We implement this method in our global 3D-digitalearth system with Direct3D?9.0c API and tested on some consumer level PC platforms.For arbitrary scene with certain LOD level,the process takes less than 10 ms,giving topologically correct,anti-aliased contour lines. | CHEN Zhuo,SHEN Lei,ZHAO YanQing & YANG ChongJun State Key Laboratory of Remote Sensing Science,Jointly Sponsored by the Institute of Remote Sensing Applications of Chinese Academy of Sciences and Beijing Normal University,Beijing 100101,China | 2010 | Science China(Technological Sciences)2010，53，S1： | 3 |
| 6 | Grayanane Diterpenoids from Pieris formosa显示文摘Three grayanane diterpenoids 1-3 were isolated from Pierisfonnosa. 1 was identifiedas a new natural product and 2 and 3 as known grayanoside C and grayanotoxin XVIII on the basisof spectral analysis. | Wang, LQ Ding, BY Zhao, WM Qin, GW | 1998 | Chinese Chemical Letters1998，9，5： | 3 |
| 7 | A Study of Feature Interactions in Intelligent Networks显示文摘 | YUAN Zhao rui directed by YANG Fang chun | 2002 | The Journal of China Universities of Posts and Telecommunications2002，9，1： | 3 |
| 8 | Preparation of MWNTs/Al_2O_3 composites and their mechanical and electrical properties显示文摘The mechanical and electrical properties of MWNTs/Al2O3 composite prepared fabricated by hot pressing are investigated. The relation between properties and microstructure of composites is also discussed. With 4wt% MWNTs as reinforcement, the fracture toughness of composite obtained reaches 5.55 MPa·m1/2, which is 80% higher than that of pure Al2O3 obtained in the same conditions. The main toughening mechanism is CNTs’ pinning alumina grain boundaries, and the pullout of CNTs takes effect also. Through adding 2wt% MWNTs and altering the mix method, the fracture toughness of the composite obtained is 3.97 MPa·m1/2. Furthermore, the electrical resistivity is as low as 8.4×10?3 ?·m, decreasing by 14 orders of magnitude compared with pure alumina ceramics. The function of CNTs in composite is related to the distribution state of CNTs in composite, and the distribution state of CNTs in matrix is dependent on preparation procedures. | FAN Jinpeng1,2, ZHAO Daqing1,2, XU Zening1,2 & WU Minsheng1,2 1. Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China 2. Key Laboratory for Advanced Manufacturing by Materials Processing Technology, Tsinghua University, Beijing 100084, China | 2005 | Science China(Technological Sciences)2005，48，6： | 2 |
| 9 | P-chlorophenol wastewater treatment by microwave-enhanced catalytic wet peroxide oxidation 显示文摘 | Zhao GH Lv BY Jin Y | 2010 | Water Environment Research2010，82，2： | 1 |
| 10 | 0 tesla 显示文摘 | Zhao X Underhill HR Zhao Q Discriminating carotid atherosclerotic lesion severity by luminal stenosis and plaque burden: a comparison utilizing high-resolution magnetic resonance imaging at 3 | 2011 | Stroke2011，42，2： | 1 |
| 11 | A Study of the Key Techniques of High-Speed Optical Time Division Multiplexing Systems显示文摘 | LIU Xian bing directed by YE Pei da, ZHAO Zi sen | 2001 | The Journal of China Universities of Posts and Telecommunications2001，8，4： | 1 |
| 12 | Decreased hypothalamic aromatase in female rats of true precocious puberty显示文摘 | TIAN ZZ ZHAO H CHEN BY | 2004 | Neurosci Lett2004，366，1： | 1 |
| 13 | The mensuration of liquids interfacial tension 显示文摘 | Zhu BY Zhao GX | 1981 | Chem Bull1981，，6： | 1 |
| 14 | Resistance Changement of Compression Sensible Cement Speciment under Different Stresses显示文摘 | Mao QZ Chen PH Zhao BY | 1996 | Journal of Wuhan University of Technology1996，11，3： | 1 |
| 15 | Effect of berbamine on calcium dynamics in cultured vascular smooth muscl e cells显示文摘 | Zhao YL Li XY Li BY | 2000 | Chin Pharm Sci2000，9，3： | 1 |
| 16 | Tapestry: A resilient globalscale overlay for service deployment显示文摘 | Zhao BY Huang L Stribling J | 2004 | IEEE Journal on Selected Areas in Communication(JSAC)2004，22，： | 1 |
| 17 | Effective inhibition of nickel TiNi alloy and its cyto- 显示文摘 | Zhao T Yang R Zhong C release by tantalum-implanted compatibility evaluation in vitro 2529-2535 | 2011 | J Mater Sci2011，46，8： | 1 |
| 18 | Molecular characterization of the pL40 protein in Leptospira interrogans显示文摘 | Zhao W Chen CY Zhang XY Lai WQ Hu BY Zhao GP Qin JH Guo XK | 2009 | Can J Microbiol2009，55，6： | 1 |
| 19 | Increased corticortropin-re- leasing hormone release in ovariectomized rats' paraven- tricular nucleus:effects of electroacupuncture 显示文摘 | Zhao H Tian ZZ Chen BY | 2003 | Neu- rosci Lett2003，353，1： | 1 |
| 20 | Independent component analysis using multilayer networks显示文摘 | ICA by negentropy maximi- on Neural Networks 2008 Li W Q Zhang H B Zhao F | 2007 | IEEE Signal Process- ing Letters2007，14，11： | 1 |
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