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科研机构
北京大学 [300]
内容类型
期刊论文 [212]
其他 [62]
会议论文 [26]
发表日期
2017 [22]
2016 [46]
2015 [36]
2014 [30]
2013 [24]
2012 [19]
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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
Different composition and distribution patterns of mineral-protected versus hydrolyzable lipids in shrubland soils
期刊论文
JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES, 2017
Cai, Yue
;
Tang, Zhiyao
;
Xiong, Gaoming
;
Xie, Zongqiang
;
Liu, Zongguang
;
Feng, Xiaojuan
收藏
  |  
浏览/下载:120/0
  |  
提交时间:2017/12/03
physical protection
cutin and suberin
microbial carbon
environmental influences
accumulation mechanism
ORGANIC-MATTER
FOREST SOILS
HYDROFLUORIC-ACID
CARBON STORAGE
MICROBIAL COMMUNITIES
LITTER DECOMPOSITION
MAGNETIC-MATERIALS
AGRICULTURAL SOIL
ALIPHATIC LIPIDS
WESTERN CANADA
Nitrogen deposition has minor effect on soil extracellular enzyme activities in six Chinese forests
期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2017
Jing, Xin
;
Chen, Xiao
;
Tang, Mao
;
Ding, Zongju
;
Jiang, Lai
;
Li, Peng
;
Ma, Suhui
;
Tian, Di
;
Xu, Longchao
;
Zhu, Jianxiao
;
Ji, Chengjun
;
Shen, Haihua
;
Zheng, Chengyang
;
Fang, Jingyun
;
Zhu, Biao
收藏
  |  
浏览/下载:110/0
  |  
提交时间:2017/12/03
Nitrogen deposition
Soil enzyme
Stoichiometry
Decomposition
Nutrient cycling
Forest ecosystem
MICROBIAL COMMUNITY COMPOSITION
ORGANIC-MATTER DECOMPOSITION
NORTHERN HARDWOOD FORESTS
ECOENZYMATIC STOICHIOMETRY
DEPTH
PHOSPHORUS
BIOMASS
CARBON
BACTERIAL
INPUTS
Impacts of sanitation improvement on reduction of nitrogen discharges entering the environment from human excreta in China
期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2017
Tong Yindong
;
Bu Xiaoge
;
Chen Cen
;
Yang Xi
;
Lu Yiren
;
Liang Huijiao
;
Liu Maodian
;
Lin Huiming
;
Zhang Haoran
;
Lin Yan
;
Zhou Feng
;
Zhao Shen
;
Wu Tianyu
;
Mao Guozhu
;
Zhang Wei
;
Wang Xuejun
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Nitrogen
Sanitation improvement
Human excreta
Urban and rural
China
MIDDLE-INCOME COUNTRIES
GROUNDWATER QUALITY
EUTROPHICATION
PHOSPHORUS
LAKE
POLLUTION
DIARRHEA
TECHNOLOGIES
ECOSYSTEMS
MARINE
Estimation of nutrient discharge from the Yangtze River to the East China Sea and the identification of nutrient sources
期刊论文
JOURNAL OF HAZARDOUS MATERIALS, 2017
Tong, Yindong
;
Bu, Xiaoge
;
Chen, Junyue
;
Zhou, Feng
;
Chen, Long
;
Liu, Maodian
;
Tan, Xin
;
Yu, Tao
;
Zhang, Wei
;
Mi, Zhaorong
;
Ma, Lekuan
;
Wang, Xuejun
;
Ni, Jing
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Yangtze river
Nutrient discharges
Non-point sources
Yangtze river estuary
Harmful algal blooms
CHANGJIANG RIVER
NITROGEN
FLUXES
IMPACTS
ECOSYSTEM
CLIMATE
CARBON
LOADS
Evidence for the Importance of Atmospheric Nitrogen Deposition to Eutrophic Lake Dianchi, China
期刊论文
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 2017
Zhan, Xiaoying
;
Zhou, Feng
;
Liu, Xuejun
;
Paerl, Hans W.
;
Shen, Jianlin
;
Wang, Rong
;
Li, Farong
;
Tao, Shu
;
Dong, Yanjun
;
Tang, Xiaoyan
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
GASEOUS DRY DEPOSITION
HARMFUL ALGAL BLOOMS
UNITED-STATES
EMISSION
AMMONIA
WET
PARAMETERIZATION
DIOXIDE
IMPACTS
MODELS
Generating Semi-Algebraic Invariants for Non-Autonomous Polynomial Hybrid Systems
其他
2017-01-01
Wang, Qiuye
;
Li, Yangjia
;
Xia, Bican
;
Zhan, Naijun
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Hybrid systems
invariants
non-autonomous systems
polynomial ideals
semi-algebraic sets.
BARRIER CERTIFICATES
SAFETY VERIFICATION
Ligand- and voltage-gated Ca2+ channels differentially regulate the mode of vesicular neuropeptide release in mammalian sensory neurons
期刊论文
SCIENCE SIGNALING, 2017
Wang, Yeshi
;
Wu, Qihui
;
Hu, Meiqin
;
Liu, Bin
;
Chai, Zuying
;
Huang, Rong
;
Wang, Yuan
;
Xu, Huadong
;
Zhou, Li
;
Zheng, Lianghong
;
Wang, Changhe
;
Zhou, Zhuan
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
ROOT GANGLION NEURONS
KISS-AND-RUN
ADRENAL CHROMAFFIN CELLS
TRANSMITTER RELEASE
DEPENDENT SECRETION
ION CHANNELS
EXOCYTOSIS
CALCIUM
ACTIVATION
ASTROCYTES
A Central Catecholaminergic Circuit Controls Blood Glucose Levels during Stress
期刊论文
NEURON, 2017
Zhao, Zhe
;
Wang, Liang
;
Gao, Wenling
;
Hu, Fei
;
Zhang, Juen
;
Ren, Yuqi
;
Lin, Rui
;
Feng, Qiru
;
Cheng, Mingxiu
;
Ju, Dapeng
;
Chi, Qingsheng
;
Wang, Dehua
;
Song, Sen
;
Luo, Minmin
;
Zhan, Cheng
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
ROSTRAL VENTROLATERAL MEDULLA
LOCUS-COERULEUS
BRAIN-STEM
PARAVENTRICULAR NUCLEUS
GABAERGIC NEURONS
FEEDING-BEHAVIOR
NEURAL CIRCUITS
POMC NEURONS
DRIVER LINES
C1 NEURONS
Charge-transfer complexes of dinuclear ruthenium compounds/polyoxometalates for multistate electrochromism covering ultraviolet, visible, and near-infrared region
期刊论文
JOURNAL OF MATERIALS CHEMISTRY C, 2017
Chong, Dandan
;
Wan, Xinhua
;
Zhang, Jie
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
EMERGING APPLICATIONS
POLYOXOMETALATE
ASSEMBLIES
DONOR
SURFACTANTS
COPOLYMERS
BEHAVIORS
LIGANDS
HYBRIDS
SYSTEM
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