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科研机构
北京大学 [579]
内容类型
期刊论文 [468]
其他 [91]
会议论文 [20]
发表日期
2017 [39]
2016 [79]
2015 [70]
2014 [47]
2013 [47]
2012 [37]
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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
High-Throughput Determination and Characterization of Short-, Medium-, and Long-Chain Chlorinated Paraffins in Human Blood
期刊论文
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 2017
Li, Tong
;
Wan, Yi
;
Gao, Shixiong
;
Wang, Beili
;
Hu, Jianying
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
RESOLUTION MASS-SPECTROMETRY
POLYCHLORINATED N-ALKANES
PEARL RIVER DELTA
ENVIRONMENTAL-SAMPLES
GAS-CHROMATOGRAPHY
CHEMICAL-IONIZATION
MARINE-SEDIMENTS
TROPHIC TRANSFER
CHINESE BOHAI
BIOACCUMULATION
Estimating structural parameters of agricultural crops from ground-based multi-angular digital images with a fractional model of sun and shade components
期刊论文
AGRICULTURAL AND FOREST METEOROLOGY, 2017
Mu, Xihan
;
Hu, Ronghai
;
Zeng, Yelu
;
McVicar, Tim R.
;
Ren, Huazhong
;
Song, Wanjuan
;
Wang, Yuanyuan
;
Casa, Raffaele
;
Qi, Jianbo
;
Xie, Donghui
;
Yan, Guangjian
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Leaf area index
Leaf angle distribution
Bidirectional gap fraction
Sun and shade leaves and soil
Field measurement
Canopy reflectance
LEAF-AREA INDEX
DIRECTIONAL BRIGHTNESS TEMPERATURE
SIZE ANALYSIS THEORY
VEGETATION COVER
HEMISPHERICAL PHOTOGRAPHY
PLANT CANOPIES
ROW CROPS
EXTINCTION COEFFICIENT
BROADLEAF CANOPIES
ANGLE DISTRIBUTION
Algorithm Development for Land Surface Temperature Retrieval: Application to Chinese Gaofen-5 Data
期刊论文
REMOTE SENSING, 2017
Chen, Yuanyuan
;
Duan, Si-Bo
;
Ren, Huazhong
;
Labed, Jelila
;
Li, Zhao-Liang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
land surface temperature
land surface emissivity
split-window
Gaofen-5
SPLIT-WINDOW ALGORITHMS
MOISTURE STATUS
SATELLITE DATA
EMISSIVITY
INDEX
WATER
EVAPOTRANSPIRATION
PRODUCTS
DROUGHT
SPACE
GPU加速的改进PAM聚类算法研究与应用
期刊论文
地球信息科学学报, 2017
周恩波
;
毛善君
;
李梅
;
孙振明
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
K-Medoids
GPU
K-Medoids
Simulate Anneal Arithmetic
GPU
Parallel Computing
Spatial Clustering Analysis
模拟退火
并行计算
空间聚类分析
On iterative algorithms for quantitative photoacoustic tomography in the radiative transport regime
其他
2017-01-01
Wang, Chao
;
Zhou, Tie
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
quantitative photoacoustic tomography
improved fixed-point iteration
radiative transfer equation
Barzilai-Borwein method
RECONSTRUCTION
DISTRIBUTIONS
EQUATION
辐射输运与电子能量强耦合源项的一种高效计算方法
其他
2017-01-01
李若
;
李蔚明
;
宋鹏
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
辐射输运
多群模型
耦合
刚性源项
radiative transfer
multi-group model
coupling
stiffness
A Study of Heat and Mass Transfer of Nanofluids Arising in Biosciences Using Buongiorno's Model
其他
2017-01-01
Mohyud-Din, Syed Tauseef
;
Usman, Muhammad
;
Bin-Mohsin, Bandar
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Buongiorno&apos
stretchable walls
numerical solution
converging and diverging channels
variational iteration method (VIM)
variation of parameters method (VPM)
VARIATIONAL ITERATION METHOD
STRETCHABLE CONVERGENT/DIVERGENT CHANNELS
THERMAL-CONDUCTIVITY
INCLINED PLANE
FLOW
EQUATIONS
FLUID
CONVECTION
RADIATION
SURFACE
s model
Direct Chemical Vapor Deposition Growth and Band-Gap Characterization of MoS2/h-BN van der Waals Heterostructures on Au Foils
期刊论文
ACS NANO, 2017
Zhang, Zhepeng
;
Ji, Xujing
;
Shi, Jianping
;
Zhou, Xiebo
;
Zhang, Shuai
;
Hou, Yue
;
Qi, Yue
;
Fang, Qiyi
;
Ji, Qingqing
;
Zhang, Yu
;
Hong, Min
;
Yang, Pengfei
;
Liu, Xinfeng
;
Zhang, Qing
;
Liao, Lei
;
Jin, Chuanhong
;
Liu, Zhongfan
;
Zhang, Yanfeng
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
chemical vapor deposition growth
MoS2/h-BN
Au foil
van der Waals heterostructure
transfer
HEXAGONAL BORON-NITRIDE
MONOLAYER MOLYBDENUM-DISULFIDE
ELECTRONIC-PROPERTIES
LARGE-AREA
THERMAL-EXPANSION
HIGH-QUALITY
LAYER MOS2
H-BN
GRAPHENE
EVOLUTION
A Single Crystal with Multiple Functions of Optical Waveguide, Aggregation-Induced Emission, and Mechanochromism
期刊论文
ACS APPLIED MATERIALS & INTERFACES, 2017
Li, Yan
;
Ma, Zhiyong
;
Li, Aisen
;
Xu, Weiqing
;
Wang, Yuechao
;
Jiang, Hong
;
Wang, Kang
;
Zhao, Yongsheng
;
Jia, Xinru
收藏
  |  
浏览/下载:103/0
  |  
提交时间:2017/12/03
single crystal
optical waveguide
mechanochromism
hydrostatic pressure
aggregation-induced emission
INTRAMOLECULAR CHARGE-TRANSFER
SOLID-STATE
SCHIFF-BASE
SUBSTITUTED TETRAPHENYLETHYLENE
CONJUGATED POLYMER
MOLECULAR DESIGN
COLOR CHANGES
TURN-ON
PHOTOPHYSICS
BEHAVIOR
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