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科研机构
北京大学 [136]
内容类型
期刊论文 [95]
其他 [40]
会议论文 [1]
发表日期
2017 [12]
2016 [14]
2015 [13]
2014 [12]
2013 [12]
2012 [5]
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专题:北京大学
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Simultaneous Estimation of Leaf Area Index, Fraction of Absorbed Photosynthetically Active Radiation, and Surface Albedo From Multiple-Satellite Data
期刊论文
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, 2017
Ma, Han
;
Liu, Qiang
;
Liang, Shunlin
;
Xiao, Zhiqiang
收藏
  |  
浏览/下载:22/0
  |  
提交时间:2017/12/03
Fraction of absorbed photosynthetically active radiation (FAPAR)
leaf area index (LAI)
multiple sensors
simultaneous estimation
surface albedo
CANOPY REFLECTANCE MODEL
FOLIAGE CLUMPING INDEX
IN-SITU MEASUREMENTS
SNOW-COVER
MODIS DATA
BIDIRECTIONAL REFLECTANCE
ACCURACY ASSESSMENT
NOAA AVHRR
MISR DATA
LAND
Spatial identification of critical nutrient loads of large shallow lakes: Implications for Lake Taihu (China)
期刊论文
WATER RESEARCH, 2017
Janssen, Annette B. G.
;
de Jager, Victor C. L.
;
Janse, Jan H.
;
Kong, Xiangzhen
;
Liu, Sien
;
Ye, Qinghua
;
Mooij, Wolf M.
收藏
  |  
浏览/下载:31/0
  |  
提交时间:2017/12/03
Eutrophication
Spatial heterogeneity
Bifurcation analysis
PCLake
Load-response curve
Algal blooms
ALTERNATIVE STABLE STATES
HARMFUL ALGAL BLOOMS
REGIME SHIFTS
CYANOBACTERIAL BLOOMS
DATABASE APPROACH
CLIMATE-CHANGE
WATER CRISIS
ECOSYSTEMS
THRESHOLDS
EUTROPHICATION
Ecosystem services response to urbanization in metropolitan areas: Thresholds identification
期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2017
Peng, Jian
;
Tian, Lu
;
Liu, Yanxu
;
Zhao, Mingyue
;
Hu, Yi&apos
;
Wu, Jiansheng
;
na
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Ecosystem services
Urbanization thresholds
Piecewise linear regression
Peri-urban area
Beijing City
TIANSHUI ECONOMIC REGION
YANGTZE-RIVER DELTA
LAND-USE
RAPID URBANIZATION
LANDSCAPE PATTERN
USE EFFICIENCY
HUMAN IMPACTS
TRADE-OFF
CHINA
ENVIRONMENT
The Uncertainty of Nighttime Light Data in Estimating Carbon Dioxide Emissions in China: A Comparison between DMSP-OLS and NPP-VIIRS
期刊论文
REMOTE SENSING, 2017
Zhang, Xiwen
;
Wu, Jiansheng
;
Peng, Jian
;
Cao, Qiwen
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
nighttime light
DMSP-OLS
NPP-VIIRS
PKU-CO2
CO2 emissions
uncertainty
ELECTRIC-POWER CONSUMPTION
SATELLITE IMAGERY
COMPOSITE DATA
URBAN FORM
POPULATION
IMPACT
SCALES
SPACE
区域生态安全格局构建研究进展与展望
期刊论文
地理研究, 2017
彭建
;
赵会娟
;
刘焱序
;
吴健生
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2017/12/03
生态安全格局
生态源地
生态廊道
阻力面
研究进展与展望
ecological security patterns
ecological source
ecological corridor
resistance surface
research progress and prospect
From Two, to Three, to Multi-Color Switches: Developing AIEgen-Based Mechanochromic Materials
期刊论文
CHEMNANOMAT, 2017
Meng, Xiao
;
Chen, Changqing
;
Qi, Guangyu
;
Li, Xue
;
Wang, Kai
;
Zou, Bo
;
Ma, Yuguo
收藏
  |  
浏览/下载:114/0
  |  
提交时间:2017/12/03
aggregation-induced emission luminogen (AIEgen)
high pressure chemistry
mechanochromic molecule
spiropyran
AGGREGATION-INDUCED-EMISSION
SILICA NANOPARTICLES
MECHANICAL-FORCE
ALKYNE GROUPS
LUMINOGENS
PRESSURE
TETRAPHENYLETHENE
CYCLOADDITION
LUMINESCENCE
FLUORESCENCE
A Pilot Study of F-18-Alfatide PET/CT Imaging for Detecting Lymph Node Metastases in Patients with Non-Small Cell Lung Cancer
期刊论文
SCIENTIFIC REPORTS, 2017
Zhou, Yue
;
Gao, Song
;
Huang, Yong
;
Zheng, Jinsong
;
Dong, Yinjun
;
Zhang, Baijiang
;
Zhao, Shuqiang
;
Lu, Hong
;
Liu, Zhibo
;
Yu, Jinming
;
Yuan, Shuanghu
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
INTEGRIN ALPHA(V)BETA(3) EXPRESSION
POSITRON-EMISSION-TOMOGRAPHY
ASP RGD PEPTIDE
RADIATION-DOSIMETRY
BIODISTRIBUTION
F-18-AH111585
ANGIOGENESIS
AGENT
Abnormal data detection for multivariate alarm systems based on correlation directions
期刊论文
JOURNAL OF LOSS PREVENTION IN THE PROCESS INDUSTRIES, 2017
Yu, Yan
;
Zhu, Di
;
Wang, Jiandong
;
Zhao, Yan
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Industrial alarm systems
Abnormal data segments
Correlation direction
Piecewise linear representation
TIME-SERIES
OPTIMIZATION
THRESHOLDS
MANAGEMENT
INCIDENTS
TRENDS
Dispersion and damping analysis of orthotropic composite plate in mid frequency based on symplectic method
期刊论文
COMPOSITE STRUCTURES, 2017
Ma, Yongbin
;
Li, Huimin
;
Chen, Haosen
;
Wen, Weibin
;
Cheng, Tianbao
;
Chen, Mingji
;
Fang, Daining
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
Polymer-matrix composites (PMCs)
Vibration
Analytical modeling
Finite element analysis (FEA)
STATISTICAL ENERGY ANALYSIS
WAVE-PROPAGATION
POLYMER COMPOSITES
FIBER COMPOSITES
SANDWICH PLATES
BEAMS
VIBRATION
SYSTEMS
PREDICTION
PARAMETERS
Multi-step wind speed forecasting based on a hybrid forecasting architecture and an improved bat algorithm
期刊论文
ENERGY CONVERSION AND MANAGEMENT, 2017
Xiao, Liye
;
Qian, Feng
;
Shao, Wei
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Hybrid forecasting architecture
Improved bat algorithm
Singular spectrum analysis, wind speed forecasting
ARTIFICIAL NEURAL-NETWORKS
EMPIRICAL MODE DECOMPOSITION
SUPPORT VECTOR MACHINES
MULTIOBJECTIVE OPTIMIZATION
INSPIRED ALGORITHM
ELECTRICAL-POWER
WAVELET PACKET
TIME-SERIES
PREDICTION
CLASSIFICATION
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