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科研机构
北京大学 [538]
内容类型
期刊论文 [367]
其他 [160]
会议论文 [11]
发表日期
2017 [38]
2016 [50]
2015 [46]
2014 [33]
2013 [40]
2012 [40]
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专题:北京大学
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Assessing Agricultural Drought Vulnerability by a VSD Model: A Case Study in Yunnan Province, China
期刊论文
SUSTAINABILITY, 2017
Wu, Jiansheng
;
Lin, Xin
;
Wang, Meijuan
;
Peng, Jian
;
Tu, Yuanjie
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
agricultural drought vulnerability
VSDmode
factor contributionmethod
Yunnan Province
CLIMATE-CHANGE
RISK
FRAMEWORK
DISASTERS
HAZARD
MAIZE
WHEAT
Accumulative effects of indoor air pollution exposure on leukocyte telomere length among non-smokers
期刊论文
ENVIRONMENTAL POLLUTION, 2017
Lin, Nan
;
Mu, Xinlin
;
Wang, Guilian
;
Ren, Yu&apos
;
Su, Shu
;
Li, Zhiwen
;
Wang, Bin
;
Tao, Shu
;
ang
收藏
  |  
浏览/下载:110/0
  |  
提交时间:2017/12/03
Leukocyte telomere length
Accumulative effects
Indoor air pollution
Solid fuel combustion
Main finding
OXIDATIVE STRESS
CARDIOVASCULAR-DISEASE
PARTICULATE MATTER
COAL COMBUSTION
LUNG-CANCER
B-CELL
CHINA
WOMEN
ASSOCIATION
FUMES
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
Determinants of richness patterns differ between rare and common species: implications for Gesneriaceae conservation in China
期刊论文
DIVERSITY AND DISTRIBUTIONS, 2017
Liu, Yunpeng
;
Shen, Zehao
;
Wang, Qinggang
;
Su, Xiangyan
;
Zhang, Wanjun
;
Shrestha, Nawal
;
Xu, Xiaoting
;
Wang, Zhiheng
收藏
  |  
浏览/下载:40/0
  |  
提交时间:2017/12/03
biodiversity hotspots
biogeography
climate change
diversity pattern
endemism
Last Glacial Maximum
range size
winter coldness
2 SPATIAL PROCESSES
CLIMATE-CHANGE
GEOGRAPHICAL-DISTRIBUTION
DIVERSITY GRADIENT
PLANT DIVERSITY
GLOBAL PATTERNS
DISTRIBUTIONS
TEMPERATURE
SPECIATION
VELOCITY
A Time Varying Ventilation and Dust Control Strategy Based on the Temporospatial Characteristics of Dust Dispersion
期刊论文
MINERALS, 2017
Liu, Hui
;
Wu, Xiaohu
;
Mao, Shanjun
;
Li, Mei
;
Yue, Jun
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
cost-effective
time varying ventilation
dust control
CFD
temporospatial characteristics
UNDERGROUND MINES
COAL ROADWAY
SYSTEM
ENVIRONMENT
SIMULATION
FACES
文本检测算法的发展与挑战
其他
2017-01-01
李翌昕
;
马尽文
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
文本检测
文本定位
文字识别
计算机视觉
机器学习
text detection
text localization
text recognition
computer vision
machine learning
A robust periodicity mining method from incomplete and noisy observations based on relative entropy
其他
2017-01-01
Guan, Tao
;
Wang, Ke-ren
;
Zhang, Shao-peng
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Periodicity detection
Relative entropy
Incomplete observations
Periodic patterns
TIME-SERIES ANALYSIS
SPACED DATA
Quasi-Dual-Packed-Kerneled Au-49(2,4-DMBT)(27) Nanoclusters and the Influence of Kernel Packing on the Electrochemical Gap
期刊论文
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2017
Liao, Lingwen
;
Zhuang, Shengli
;
Wang, Pu
;
Xu, Yanan
;
Yan, Nan
;
Dong, Hongwei
;
Wang, Chengming
;
Zhao, Yan
;
Xia, Nan
;
Li, Jin
;
Deng, Haiteng
;
Pei, Yong
;
Tian, Shi-Kai
;
Wu, Zhikun
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
differential pulse voltammetry
electrochemical gap
gold
nanoclusters
structure elucidation
PROTECTED GOLD CLUSTERS
X-RAY CRYSTALLOGRAPHY
NOBLE-METAL CLUSTERS
CRYSTAL-STRUCTURE
THEORETICAL-ANALYSIS
AU-38 NANOPARTICLES
OPTICAL-PROPERTIES
ATOMIC-STRUCTURE
AU-25 CLUSTER
MONOLAYER
New 10H perovskites Ba(5)Ln(1-x)Mn(4+y)O(15-delta) with spin glass behaviour
期刊论文
RSC ADVANCES, 2017
Yin, Congling
;
Tian, Genfang
;
Li, Guobao
;
Liao, Fuhui
;
Lin, Jianhua
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
HEXAGONAL PEROVSKITE
MAGNETIC-PROPERTIES
STRUCTURAL CHEMISTRY
CRYSTAL
LANTHANIDES
BAMNO3-X
LN
Effects of Iron Doping on the Physical Properties of Quaternary Ferromagnetic Sulfide: Ba2Fe0.6V1.4S6
期刊论文
INORGANIC CHEMISTRY, 2017
Bu, Kejun
;
He, Jianqiao
;
Lai, Xiafang
;
Song, Changsheng
;
Wang, Dong
;
Xu, JiJian
;
Wang, Sishun
;
Huang, Fuqiang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
TRANSITION-METAL CHALCOGENIDES
TOTAL-ENERGY CALCULATIONS
WAVE BASIS-SET
THERMOELECTRIC-MATERIALS
CRYSTAL-STRUCTURES
VANADIUM SULFIDES
BAVS3
SUPERCONDUCTIVITY
OXIDATION
SPIN
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