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科研机构
北京大学 [235]
内容类型
期刊论文 [205]
其他 [25]
会议论文 [5]
发表日期
2017 [25]
2016 [33]
2015 [19]
2014 [29]
2013 [13]
2012 [16]
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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
More reliable pollen productivity estimates and relative source area of pollen in a forest-steppe ecotone with improved vegetation survey
期刊论文
HOLOCENE, 2017
Han, Yue
;
Liu, Hongyan
;
Hao, Qian
;
Liu, Xu
;
Guo, Weichao
;
Shangguan, Huailiang
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
ERV models
forest-steppe ecotone
pollen
PPEs
RSAP
vegetation survey
RELEVANT SOURCE AREA
MAJOR TREE TAXA
NORTHERN CHINA
PAST VEGETATION
QUANTITATIVE RECONSTRUCTION
CULTURAL LANDSCAPE
SOUTHERN SWEDEN
BOREAL FOREST
LAND-COVER
PLANT TAXA
High efficiency removal of methylene blue using SDS surface-modified ZnFe2O4 nanoparticles
期刊论文
JOURNAL OF COLLOID AND INTERFACE SCIENCE, 2017
Zhang, Ping
;
Lo, Irene
;
O&apos
;
Pehkonen, Simo
;
Cheng, Hefa
;
Hou, Deyi
;
Connor, David
收藏
  |  
浏览/下载:24/0
  |  
提交时间:2017/12/03
Adsorption capacity
Methylene blue
SDS modification
ZnFe2O4 nanoparticles
AQUEOUS-SOLUTION
CATIONIC DYES
PHOTODYNAMIC EFFICIENCY
MAGNETIC-PROPERTIES
MECHANISM ANALYSIS
CONGO RED
ACID-BASE
ADSORPTION
ADSORBENT
WATER
Potential CO2 emissions from defrosting permafrost soils of the Qinghai-Tibet Plateau under different scenarios of climate change in 2050 and 2070
期刊论文
CATENA, 2017
Bosch, Anna
;
Schmidt, Karsten
;
He, Jin-Sheng
;
Doerfer, Corina
;
Scholten, Thomas
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Permafrost soil
Carbon
Carbon dioxide
Soil respiration
Qinghai-Tibet Plateau
Climate change scenarios
CARBON RELEASE
TERRESTRIAL ECOSYSTEMS
ORGANIC-CARBON
AUTOTROPHIC RESPIRATION
HIGH ASIA
TEMPERATURE
DEGRADATION
PRECIPITATION
GRASSLANDS
DYNAMICS
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
Pore characteristics differences between clay-rich and clay-poor shales of the Lower Cambrian Niutitang Formation in the Northern Guizhou area, and insights into shale gas storage mechanisms
期刊论文
INTERNATIONAL JOURNAL OF COAL GEOLOGY, 2017
Wu, Chenjun
;
Tuo, Jincai
;
Zhang, Leifu
;
Zhang, Mingfeng
;
Li, Jing
;
Liu, Yan
;
Qian, Yu
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Niutitang Formation
Organic-rich shales
Clay content
Biogenic quartz
Pore characteristics
NORTHEASTERN BRITISH-COLUMBIA
MISSISSIPPIAN BARNETT SHALE
SOUTHERN SICHUAN BASIN
UPPER YANGTZE PLATFORM
FORT-WORTH BASIN
ORGANIC-MATTER
GEOCHEMICAL CHARACTERISTICS
BLACK SHALES
SOUTHWESTERN CHINA
SEDIMENTARY BASIN
Pore structure of transitional shales in the Ordos Basin, NW China: Effects of composition on gas storage capacity
期刊论文
FUEL, 2017
Xiong, Fengyang
;
Jiang, Zhenxue
;
Li, Peng
;
Wang, Xiangzeng
;
Bi, He
;
Li, Yirun
;
Wang, Ziyuan
;
Amooie, Mohammad Amin
;
Soltanian, Mohamad Reza
;
Moortgat, Joachim
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Shale gas
Transitional shales
Pore structure
Composition
Yanchang area
Ordos Basin
MISSISSIPPIAN BARNETT SHALE
FORT-WORTH BASIN
NORTHEASTERN BRITISH-COLUMBIA
LONGMAXI MARINE SHALE
ORGANIC-RICH SHALES
NORTH-CENTRAL TEXAS
METHANE ADSORPTION
SICHUAN BASIN
GEOLOGICAL CONTROLS
THERMAL MATURITY
公路路面质量遥感监测研究进展
期刊论文
遥感学报, 2017
潘一凡
;
张显峰
;
童庆禧
;
孙敏
;
罗伦
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
路面状况
遥感监测
研究现状
问题分析
pavement condition
remote sensing monitoring
research status
problem analysis
Graphene-like carbon with three-dimensional periodicity prepared from organic-inorganic templates for energy storage application
期刊论文
CARBON, 2017
Xu, Feng
;
Lin, Tianquan
;
Bi, Hui
;
Huang, Fuqiang
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
ELECTROCHEMICAL CAPACITORS
DEPOSITION
NETWORKS
MORPHOLOGY CONTROL OF MICROCHANNEL CROSS-SECTION USING SACRIFICIAL SPINNING FIBER
其他
2017-01-01
Zhang, Yangxi
;
Jing, Huize
;
Xu, Kaisi
;
Gao, Chencheng
;
Hao, Yilong
;
Meng, Fanrui
;
Gui, Yiming
;
Chen, Guoxing
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
FABRICATION
PDMS
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