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科研机构
北京大学 [29]
内容类型
期刊论文 [26]
其他 [3]
发表日期
2017 [1]
2016 [3]
2015 [4]
2014 [2]
2013 [4]
2012 [1]
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专题:北京大学
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Improving Super-Resolution Mapping by Combining Multiple Realizations Obtained Using the Indicator-Geostatistics Based Method
期刊论文
REMOTE SENSING, 2017
Shi, Zhongkui
;
Li, Peijun
;
Jin, Huiran
;
Tian, Yugang
;
Chen, Yan
;
Zhang, Xianfeng
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
super-resolution mapping
indicator geostatistics
class proportion constraint
pixel swapping
land cover classification
REMOTELY-SENSED IMAGERY
PIXEL-SWAPPING ALGORITHM
PARTICLE SWARM OPTIMIZATION
MARKOV-RANDOM-FIELD
SENSING IMAGERY
ACCURACY ASSESSMENT
RESOLUTION IMAGES
SUBPIXEL SCALE
NEURAL-NETWORK
CLASSIFICATION
Agricultural drought monitoring: Progress, challenges, and prospects
期刊论文
JOURNAL OF GEOGRAPHICAL SCIENCES, 2016
Liu Xianfeng
;
Zhu Xiufang
;
Pan Yaozhong
;
Li Shuangshuang
;
Liu Yanxu
;
Ma Yuqi
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
agricultural drought
drought monitoring
research progress
research prospect
REMOTE-SENSING DATA
SEVERITY INDEX
SOIL-MOISTURE
UNITED-STATES
VEGETATION
WATER
STRESS
SPACE
VALIDATION
DYNAMICS
Double-Helix Structure in Carrageenan-Metal Hydrogels: A General Approach to Porous Metal Sulfides/Carbon Aerogels with Excellent Sodium-Ion Storage
期刊论文
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2016
Li, Daohao
;
Yang, Dongjiang
;
Yang, Xianfeng
;
Wang, Yu
;
Guo, Ziqi
;
Xia, Yanzhi
;
Sun, Shenglei
;
Guo, Shaojun
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
aerogel
carrageenan
double-helix structure
metal sulfides
sodium-ion batteries
IOTA-CARRAGEENAN
CARBON NANOFIBERS
ANODE MATERIALS
ENERGY-STORAGE
PERFORMANCE
BATTERIES
SUPERCAPACITORS
TRANSITION
EFFICIENT
CO9S8
New Approach to Create TiO2(B)/Carbon Core/Shell Nanotubes: Ideal Structure for Enhanced Lithium Ion Storage
期刊论文
ACS Applied Materials & Interfaces, 2016
Zhu, Xiaoyi
;
Yang, Xianfeng
;
Lv, Chunxiao
;
Guo, Shaojun
;
Li, Jianjiang
;
Zheng, Zhanfeng
;
Zhu, Huaiyong
;
Yang, Dongjiang
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/04
TiO2(B) nanotube
lithium-ion battery anode
core/shell structure
surface binding long-chain silane
TIO2 HOLLOW SPHERES
N-DOPED CARBON
ANODE MATERIALS
COBALT ALGINATE
BATTERY ANODES
RUTILE TIO2
PERFORMANCE
GROWTH
COMPOSITE
OXIDES
Analyzing nonlinear variations in terrestrial vegetation in China during 1982-2012
期刊论文
ENVIRONMENTAL MONITORING AND ASSESSMENT, 2015
Liu, Yanxu
;
Liu, Xianfeng
;
Hu, Yi&apos
;
Li, Shuangshuang
;
Peng, Jian
;
Wang, Yanglin
;
na
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Interannual vegetation variation
Nonlinear fitting
Influence factors
GIMMS NDVI3g
China
NET PRIMARY PRODUCTIVITY
CLIMATE-CHANGE
RIVER-BASIN
SPATIOTEMPORAL TRENDS
ECOSYSTEM SERVICES
TIBETAN PLATEAU
INNER-MONGOLIA
EASTERN CHINA
LOESS PLATEAU
UNITED-STATES
Changes in Growing Season Vegetation and Their Associated Driving Forces in China during 2001-2012
期刊论文
REMOTE SENSING, 2015
Liu, Xianfeng
;
Zhu, Xiufang
;
Li, Shuangshuang
;
Liu, Yanxu
;
Pan, Yaozhong
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
China
climate change
ecological restoration
normalized difference vegetation index
vegetation dynamics
NET PRIMARY PRODUCTION
RECENT CLIMATE-CHANGE
TERRESTRIAL ECOSYSTEMS
NORTH-AMERICA
TIME-SERIES
DROUGHT
NDVI
RESPONSES
MODIS
REDUCTION
Correlations between Urbanization and Vegetation Degradation across the World's Metropolises Using DMSP/OLS Nighttime Light Data
期刊论文
remote sens basel, 2015
Liu, Yanxu
;
Wang, Yanglin
;
Peng, Jian
;
Du, Yueyue
;
Liu, Xianfeng
;
Li, Shuangshuang
;
Zhang, Donghai
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/13
SATELLITE IMAGERY
POWER CONSUMPTION
URBAN-DEVELOPMENT
CLIMATE-CHANGE
UNITED-STATES
CHINA CITIES
CITY LIGHTS
TIME-SERIES
SPOT-VGT
TRENDS
NDVI-Based Analysis on the Influence of Climate Change and Human Activities on Vegetation Restoration in the Shaanxi-Gansu-Ningxia Region, Central China
期刊论文
REMOTE SENSING, 2015
Li, Shuangshuang
;
Yang, Saini
;
Liu, Xianfeng
;
Liu, Yanxu
;
Shi, Mimi
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
vegetation restoration
normalized difference vegetation index (NDVI)
Grain-for-Green program
spatiotemporal pattern
Shaanxi-Gansu-Ningxia region
LOESS PLATEAU
ECOSYSTEM SERVICES
ACTIVITY TRENDS
DYNAMICS
TEMPERATURE
INDEX
PRECIPITATION
VARIABILITY
INCREASE
IMPACT
OsMYB103L, an R2R3-MYB transcription factor, influences leaf rolling and mechanical strength in rice (Oryza sativa L.)
期刊论文
bmc plant biology, 2014
Yang, Chunhua
;
Li, Dayong
;
Liu, Xue
;
Ji, Chengjun
;
Hao, Lili
;
Zhao, Xianfeng
;
Li, Xiaobing
;
Chen, Caiyan
;
Cheng, Zhukuan
;
Zhu, Lihuang
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/16
OsMYB103L
Leaf rolling
MYB transcription factor
Cellulose
SECONDARY CELL-WALL
ARABIDOPSIS-THALIANA
GENE FAMILY
CELLULOSE SYNTHASE
HIGHER-PLANTS
MYB-GENE
BIOSYNTHETIC-PATHWAY
EXPRESSION ANALYSIS
CATALYTIC SUBUNIT
TRANSGENIC RICE
Multi-remote sensing data for improving estimation of ground solar direct normal radiation
期刊论文
taiyangneng xuebaoacta energiae solaris sinica, 2014
Zhang, Xianfeng
;
Liu, Yu
;
Li, Jonathan
;
Lv, Yang
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/13
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