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科研机构
北京大学 [537]
内容类型
期刊论文 [367]
其他 [163]
会议论文 [7]
发表日期
2017 [20]
2016 [35]
2015 [21]
2014 [30]
2013 [27]
2012 [55]
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专题:北京大学
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1975-2014年福建省植被覆盖变化及其驱动因素
期刊论文
植物生态学报, 2017
李超
;
赵淑清
;
方精云
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
土地覆被
长期变化
驱动因素
植被生态
Landsat TM/MSS/OLI
land coverage
Landsat TM/MSS/OLI
long-term vegetation dynamics
driving factors
vegetation ecology
Statistical analysis as a tool for assisting geochemical interpretation of the Upper Triassic Yanchang Formation, Ordos Basin, Central China
期刊论文
INTERNATIONAL JOURNAL OF COAL GEOLOGY, 2017
Pan, Songqi
;
Horsfield, Brian
;
Zou, Caineng
;
Yang, Zhi
;
Gao, Dapeng
收藏
  |  
浏览/下载:121/0
  |  
提交时间:2017/12/03
Upper Triassic Yanchang Formation
Ordos Basin
Geochemistry
Molecular composition
Biomarker
Simultaneous R- and Q-mode factor analysis
POLYCYCLIC AROMATIC-HYDROCARBONS
PALEOZOIC MARINE PETROLEUM
OIL-SOURCE CORRELATION
SWEET AREA EVALUATION
MULTIPLE SOURCE ROCKS
NORTH-CENTRAL CHINA
TYPICAL CRUDE OILS
IN-SOURCE ROCKS
GAS ACCUMULATION
TARIM BASIN
Social Media: New Perspectives to Improve Remote Sensing for Emergency Response
期刊论文
PROCEEDINGS OF THE IEEE, 2017
Li, Jun
;
He, Zhi
;
Plaza, Javier
;
Li, Shutao
;
Chen, Jinfen
;
Wu, Henglin
;
Wang, Yandong
;
Liu, Yu
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Deep learning
emergency response
remote sensing
social media
VOLUNTEERED GEOGRAPHIC INFORMATION
CONVOLUTIONAL NEURAL-NETWORKS
LANDSAT TM DATA
DISASTER MANAGEMENT
EVENT DETECTION
BIG DATA
IMAGE CLASSIFICATION
OBJECT DETECTION
FLOOD
GIS
A simple temperature domain two-source model for estimating agricultural field surface energy fluxes from Landsat images
期刊论文
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 2017
Yao, Yunjun
;
Liang, Shunlin
;
Yu, Jian
;
Chen, Jiquan
;
Liu, Shaomin
;
Lin, Yi
;
Fisher, Joshua B.
;
McVicar, Tim R.
;
Cheng, Jie
;
Jia, Kun
;
Zhang, Xiaotong
;
Xie, Xianhong
;
Jiang, Bo
;
Sun, Liang
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
SENSIBLE HEAT-FLUX
PRIESTLEY-TAYLOR PARAMETER
BALANCE CLOSURE PROBLEM
LEAF-AREA INDEX
EDDY-COVARIANCE
DAILY EVAPORATION
TERRESTRIAL EVAPOTRANSPIRATION
RADIOMETRIC TEMPERATURE
EXPERIMENTAL-DESIGN
METEOROLOGICAL DATA
Spatiotemporal Fuzzy Clustering Strategy for Urban Expansion Monitoring Based on Time Series of Pixel-Level Optical and SAR Images
期刊论文
IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING, 2017
Li, Shuang
;
Wang, Yafei
;
Chen, Peipei
;
Xu, Xinliang
;
Cheng, Chengqi
;
Chen, Bo
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Fuzzy information granulation
optical-synthetic aperture radar (SAR) image time series
pixel level
spatiotemporal fuzzy clustering (STFC)
urban expansion
REMOTE-SENSING IMAGES
UNSUPERVISED CHANGE DETECTION
LAND-COVER CHANGE
WEST-AFRICA
FUSION
AREAS
SEGMENTATION
CLASSIFICATION
CHINA
URBANIZATION
Small chaperons and autophagy protected neurons from necrotic cell death
期刊论文
SCIENTIFIC REPORTS, 2017
Lei, Ye
;
Liu, Kai
;
Hou, Lin
;
Ding, Lianggong
;
Li, Yuhong
;
Liu, Lei
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
ENDOPLASMIC-RETICULUM STRESS
UNFOLDED PROTEIN RESPONSE
CEREBRAL-ARTERY OCCLUSION
ISCHEMIC BRAIN-INJURY
DROSOPHILA-MELANOGASTER
CASPASE ACTIVATION
TRANSGENIC MICE
CYTOCHROME-C
IN-VIVO
P53
NIR Ratiometric Luminescence Detection of pH Fluctuation in Living Cells with Hemicyanine Derivative-Assembled Upconversion Nanophosphors
期刊论文
ANALYTICAL CHEMISTRY, 2017
Li, Haixia
;
Dong, Hao
;
Yu, Mingming
;
Liu, Chunxia
;
Li, Zhanxian
;
Wei, Liuhe
;
Sun, Ling-Dong
;
Zhang, Hongyan
收藏
  |  
浏览/下载:120/0
  |  
提交时间:2017/12/03
NEAR-INFRARED FLUORESCENCE
INTRACELLULAR PH
IN-VIVO
ENERGY-TRANSFER
NANOPARTICLES
SENSOR
NANOPROBES
PROBES
THERAPY
CONSTRUCTION
Investigations on multi-photon emissions of Nd3+-sensitized core/shell nanoparticles
期刊论文
JOURNAL OF RARE EARTHS, 2017
Zhang Ge
;
Dong Hao
;
Wang Di
;
Sun Lingdong
;
Yan Chunhua
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Nd3+ sensitizer
upconversion emission
multi-photon
core/shell nanoparticle
rare earths
UP-CONVERSION NANOPHOSPHORS
NEAR-INFRARED LIGHT
UPCONVERTING NANOPARTICLES
ENERGY-TRANSFER
LUMINESCENCE
NANOCRYSTALS
ENHANCEMENT
LANTHANIDE
IONS
Versatile Spectral and Lifetime Multiplexing Nanoplatform with Excitation Orthogonalized Upconversion Luminescence
期刊论文
ACS NANO, 2017
Dong, Hao
;
Sun, Ling-Dong
;
Feng, Wei
;
Gu, Yuyang
;
Li, Fuyou
;
Yan, Chun-Hua
收藏
  |  
浏览/下载:34/0
  |  
提交时间:2017/12/03
multiplexing upconversion
lanthanide
core/shell nanoparticle
energy transfer
CORE-SHELL NANOPARTICLES
NEAR-INFRARED-LIGHT
ENERGY-TRANSFER
UPCONVERTING NANOPARTICLES
DOPED NANOCRYSTALS
PHOTON
NANOSTRUCTURE
LANTHANIDES
EMISSION
PROBES
RE_2MgTM_2(RE=La,Y;TM=Ni,Cu)金属间化合物储氢性能的研究
其他
2017-01-01
姜晓静
;
吴勇
;
傅凯
;
李星国
;
郑捷
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
储氢合金
相变
动力学曲线
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