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科研机构
北京大学 [102]
内容类型
期刊论文 [64]
其他 [37]
会议论文 [1]
发表日期
2017 [8]
2016 [13]
2015 [12]
2014 [16]
2013 [11]
2012 [6]
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专题:北京大学
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Saturation Correction for Nighttime Lights Data Based on the Relative NDVI
期刊论文
REMOTE SENSING, 2017
Wang, Zheng
;
Yao, Fei
;
Li, Weifeng
;
Wu, Jiansheng
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
DMSP/OLS
nighttime lights
saturation correction
relative NDVI
NET PRIMARY PRODUCTIVITY
SATELLITE IMAGERY
ECONOMIC-ACTIVITY
HUMAN-SETTLEMENTS
UNITED-STATES
LAND
CONSUMPTION
POPULATION
VEGETATION
EMISSIONS
An Improved Estimation of Regional Fractional Woody/Herbaceous Cover Using Combined Satellite Data and High-Quality Training Samples
期刊论文
REMOTE SENSING, 2017
Liu, Xu
;
Liu, Hongyan
;
Qiu, Shuang
;
Wu, Xiuchen
;
Tian, Yuhong
;
Hao, Qian
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
vegetation fractional cover
semi-arid area
MODIS
satellite data integration
spatial sampling design
image classification
Random Forest regression
model performance evaluation
LAND-COVER
INNER-MONGOLIA
MODIS DATA
VEGETATION
SURFACE
STEPPE
FOREST
COEXISTENCE
TOPOGRAPHY
TRANSITION
Mapping spatial non-stationarity of human-natural factors associated with agricultural landscape multifunctionality in Beijing-Tianjin-Hebei region, China
期刊论文
AGRICULTURE ECOSYSTEMS & ENVIRONMENT, 2017
Peng, Jian
;
Liu, Yanxu
;
Liu, Zhicong
;
Yang, Yang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Agricultural landscape multifunctionality
Landscape services
Driving forces
Geographically weighted regression
MULTIPLE ECOSYSTEM SERVICES
GEOGRAPHICALLY WEIGHTED REGRESSION
FUTURE-DIRECTIONS
HABITAT PATCHES
LOESS PLATEAU
LAND-USE
CONSERVATION
IMPACTS
SCALE
SUSTAINABILITY
Synthesis and Characterization of a Layered Silicogermanate PKU-22 and Its Topotactic Condensation to a Three-Dimensional STI-type Zeolite
期刊论文
CRYSTAL GROWTH & DESIGN, 2017
Chen, Yanping
;
Huang, Shiliang
;
Wang, Xiaoge
;
Zhang, Lei
;
Wu, Ningning
;
Liao, Fuhui
;
Wang, Yingxia
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
LARGE-PORE ZEOLITE
HIGH-SILICA ZEOLITE
FER-TYPE ZEOLITE
CRYSTAL-STRUCTURE
2-DIMENSIONAL ZEOLITES
CATALYTIC APPLICATIONS
BOROSILICATE ZEOLITE
MICROPOROUS ZEOLITE
FRAMEWORK DENSITY
MOLECULAR-SIEVE
A Combined DFT/IM-MS Study on the Reaction Mechanism of Cationic Ru(II)-Catalyzed Hydroboration of Alkynes
期刊论文
ACS CATALYSIS, 2017
Song, Li-Juan
;
Wang, Ting
;
Zhang, Xinhao
;
Chung, Lung Wa
;
Wu, Yun-Dong
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
hydroboration
hydrofunctionalization
trans-selectivity
ruthenium
density functional theory
mass spectrometry
MOBILITY-MASS-SPECTROMETRY
CATALYZED TRANS-HYDROBORATION
C-H ACTIVATION
GAS-PHASE
INTERNAL ALKYNES
TERMINAL ALKYNES
RUTHENIUM COMPLEXES
OXIDATIVE ADDITION
5+2 CYCLOADDITIONS
METAL-COMPLEXES
High-Performance Noninvasive Side-Channel Attack Resistant ECC Coprocessor for GF(2(m))
期刊论文
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, 2017
Liao, Kai
;
Cui, Xiaoxin
;
Liao, Nan
;
Wang, Tian
;
Yu, Dunshan
;
Cui, Xiaole
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
Binary finite field arithmetic
elliptic curve cryptography (ECC)
hybrid operation sequence
noninvasive side-channel attack (SCA)
randomized Montgomery operation
DIVISION
High Performance Optical Modulator and Detector for 100 Gb/s Transmission System
期刊论文
ZTE Communications, 2017
-
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
silicon photonics
modulator
detector
High Performance Optical Modulator and Detector for 100 Gb/s Transmission System
期刊论文
中兴通讯技术(英文版), 2017
ZHONG Fang
;
GONG Pan
;
ZHOU Zhiping
;
HUA Feng
;
WANG Huitao
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
silicon photonics modulator detector
silicon photonics
modulator
detector
Identification of WD40 repeats by secondary structure-aided profile-profile alignment
期刊论文
JOURNAL OF THEORETICAL BIOLOGY, 2016
Wang, Chuan
;
Dong, Xiaobao
;
Han, Lei
;
Su, Xiao-Dong
;
Zhang, Ziding
;
Li, Jinyan
;
Song, Jiangning
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
WD40 repeat
Profile-profile alignment
Remote sequence homology
Secondary structure prediction
Bioinformatics
CRYSTAL-STRUCTURE
G-PROTEIN
RECOGNITION
DATABASE
DOMAIN
SUBUNIT
SEARCH
SYSTEM
DIVERSITY
HOMOLOGY
Syntheses of polycyclic aromatic diimides via intramolecular cyclization of maleic acid derivatives
期刊论文
NEW JOURNAL OF CHEMISTRY, 2016
Wang, Ranran
;
Shi, Ke
;
Cai, Kang
;
Guo, Yikun
;
Yang, Xiao
;
Wang, Jie-Yu
;
Pei, Jian
;
Zhao, Dahui
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
THIN-FILM TRANSISTORS
FIELD-EFFECT TRANSISTORS
ORGANIC SOLAR-CELLS
ONE HUNDRED YEARS
HIGH-PERFORMANCE
NAPHTHALENE DIIMIDES
PERYLENE DIIMIDES
STEREOSELECTIVE SYNTHESES
MATERIALS DESIGN
IMIDE RINGS
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