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科研机构
北京大学 [58]
内容类型
期刊论文 [41]
其他 [15]
会议论文 [2]
发表日期
2017 [7]
2016 [5]
2015 [5]
2014 [9]
2013 [6]
2012 [5]
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专题:北京大学
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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
Coupling ecosystem services supply and human ecological demand to identify landscape ecological security pattern: A case study in Beijing-Tianjin-Hebei region, China
期刊论文
URBAN ECOSYSTEMS, 2017
Zhang, Liqing
;
Peng, Jian
;
Liu, Yanxu
;
Wu, Jiansheng
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
Landscape ecological security pattern
Human ecological demand
Ecosystemservices
Ecological source
Ecological corridor
Beijing-Tianjin-Hebei region
LAND-USE CHANGE
HABITAT PATCHES
URBAN
CONNECTIVITY
URBANIZATION
MODEL
DYNAMICS
CITY
AREA
ENVIRONMENT
A Spatially Explicit Optimization Model for Agricultural Straw-Based Power Plant Site Selection: A Case Study in Hubei Province, China
期刊论文
SUSTAINABILITY, 2017
Zhao, Xiang
;
Ma, Xiaoya
;
Wang, Kun
;
Long, Yuqing
;
Zhang, Dongjie
;
Xiao, Zhanchun
收藏
  |  
浏览/下载:107/0
  |  
提交时间:2017/12/03
straw-based power plants
spatially explicit optimization model
location
SUPPLY CHAIN OPTIMIZATION
GEOGRAPHICAL INFORMATION-SYSTEM
ARTIFICIAL IMMUNE-SYSTEMS
BIOENERGY FACILITIES
GEOSPATIAL ANALYSIS
GUANGDONG PROVINCE
GENETIC ALGORITHM
DECISION-SUPPORT
JIANGSU PROVINCE
BIOGAS PLANTS
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
Direct radiative effect of carbonaceous aerosols from crop residue burning during the summer harvest season in East China
期刊论文
ATMOSPHERIC CHEMISTRY AND PHYSICS, 2017
Yao, Huan
;
Song, Yu
;
Liu, Mingxu
;
Archer-Nicholls, Scott
;
Lowe, Douglas
;
McFiggans, Gordon
;
Xu, Tingting
;
Du, Pin
;
Li, Jianfeng
;
Wu, Yusheng
;
Hu, Min
;
Zhao, Chun
;
Zhu, Tong
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
BLACK-CARBON
BROWN CARBON
LIGHT-ABSORPTION
MIXING STATE
EMISSION INVENTORY
WRF-CHEM
NORTH CHINA
ATMOSPHERIC AEROSOLS
SPECTRAL DEPENDENCE
OPTICAL-PROPERTIES
Cellular Uptake and Delivery-Dependent Effects of Tb3+-Doped Hydroxyapatite Nanorods
期刊论文
MOLECULES, 2017
Wei, Yan
;
He, Ying
;
Li, Xiyu
;
Chen, Haifeng
;
Deng, Xuliang
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
hydroxyapatite nanostructures
cellular uptake
tissue distribution
toxicity
CARBON NANOTUBES
GOLD NANORODS
BONE
NANOPARTICLES
PARTICLES
COMPOSITE
SURFACE
SCAFFOLDS
Answering top-K query combined keywords and structural queries on RDF graphs
期刊论文
INFORMATION SYSTEMS, 2017
Peng, Peng
;
Zou, Lei
;
Qin, Zheng
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
SPARQL
Keyword search
RDF graph
SEARCH
WEB
A novel caching mechanism for Internet of Things (IoT) sensing service with energy harvesting
其他
2016-01-01
Niyato, Dusit
;
Kim, Dong In
;
Wang, Ping
;
Song, Lingyang
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
A Novel Caching Mechanism for Internet of Things (IoT) Sensing Service with Energy Harvesting
其他
2016-01-01
Niyato, Dusit
;
Kim, Dong In
;
Wang, Ping
;
Song, Lingyang
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Internet of things (IoT)
caching
Markov chain
组合结构的残余振动最小化结构优化设计
期刊论文
北京工业大学学报, 2016
阎琨
;
刘晓德
;
程耿东
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
残余振动
半解析灵敏度求解方法
组合结构
结构优化
residual vibration
semi-analytic sensitivity method
combined structure
structure optimization
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