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科研机构
北京大学 [6750]
内容类型
期刊论文 [5554]
其他 [1158]
会议论文 [38]
发表日期
2017 [442]
2016 [549]
2015 [469]
2014 [451]
2013 [422]
2012 [423]
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专题:北京大学
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New radiocarbon evidence on early rice consumption and farming in South China
期刊论文
HOLOCENE, 2017
Yang, Xiaoyan
;
Wang, Weiwei
;
Zhuang, Yijie
;
Li, Zhao
;
Ma, Zhikun
;
Ma, Yongchao
;
Cui, Yong
;
Wei, Jun
;
Fuller, Dorian Q.
收藏
  |  
浏览/下载:50/0
  |  
提交时间:2017/12/03
Guangdong
Guye site
late-Holocene
Lingnan Region
Shixia site
southward spread of rice farming
PEARL RIVER DELTA
ASIAN RICE
ORIGINS
AGRICULTURE
DISPERSAL
Household air pollution and personal exposure to nitrated and oxygenated polycyclic aromatics (PAHs) in rural households: Influence of household cooking energies
期刊论文
INDOOR AIR, 2017
Chen, Y.
;
Du, W.
;
Shen, G.
;
Zhuo, S.
;
Zhu, X.
;
Shen, H.
;
Huang, Y.
;
Su, S.
;
Lin, N.
;
Pei, L.
;
Zheng, X.
;
Wu, J.
;
Duan, Y.
;
Wang, X.
;
Liu, W.
;
Wong, M.
;
Tao, S.
收藏
  |  
浏览/下载:33/0
  |  
提交时间:2017/12/03
Nitrated as polycyclic aromatic hydrocarbons
Oxygenated as polycyclic aromatic hydrocarbons
Household air
Personal exposure
Household energies
Smoking behavior
DEVELOPING-COUNTRIES
AMBIENT AIR
NORTHERN CHINA
HYDROCARBONS
COMBUSTION
EMISSIONS
URBAN
RISK
PRODUCTS
SHANXI
Longitudinal changes in species composition of forests and grasslands across the North Asian forest steppe zone
期刊论文
FOLIA GEOBOTANICA, 2017
Lashchinskiy, Nikolay
;
Korolyuk, Andrey
;
Makunina, Natalia
;
Anenkhonov, Oleg
;
Liu, Hongyan
收藏
  |  
浏览/下载:25/0
  |  
提交时间:2017/12/03
forest-steppe
landscape
floristic heterogeneity
quantitative floristic methods
SOUTHERN SIBERIA
SEMIDRY GRASSLANDS
ECOLOGICAL FACTORS
CENTRAL-EUROPE
RICHNESS
VEGETATION
DIVERSITY
GRADIENT
COEXISTENCE
PATTERNS
Positive effects of tree species diversity on litterfall quantity and quality along a secondary successional chronosequence in a subtropical forest
期刊论文
JOURNAL OF PLANT ECOLOGY, 2017
Huang, Yuanyuan
;
Ma, Yinlei
;
Zhao, Ke
;
Niklaus, Pascal A.
;
Schmid, Bernhard
;
He, Jin-Sheng
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
species richness
BEF-China
litterfall
leaf litter C/N
subtropical forest
secondary succession
structural equation models
NET PRIMARY PRODUCTION
STAND DEVELOPMENT
TROPICAL FORESTS
STOICHIOMETRY
NITROGEN
PRODUCTIVITY
RICHNESS
COMPLEMENTARITY
DECOMPOSITION
ASPEN
Increasing temperature reduces the coupling between available nitrogen and phosphorus in soils of Chinese grasslands
期刊论文
SCIENTIFIC REPORTS, 2017
Geng, Yan
;
Baumann, Frank
;
Song, Chao
;
Zhang, Mi
;
Shi, Yue
;
Kuhn, Peter
;
Scholten, Thomas
;
He, Jin-Sheng
收藏
  |  
浏览/下载:101/0
  |  
提交时间:2017/12/03
N-P RATIOS
TIBETAN PLATEAU
TERRESTRIAL ECOSYSTEMS
SEMIARID GRASSLAND
ORGANIC-MATTER
CLIMATE-CHANGE
LEAF-N
PLANT
STOICHIOMETRY
CARBON
Molecular mechanisms of water table lowering and nitrogen deposition in affecting greenhouse gas emissions from a Tibetan alpine wetland
期刊论文
GLOBAL CHANGE BIOLOGY, 2017
Wang, Hao
;
Yu, Lingfei
;
Zhang, Zhenhua
;
Liu, Wei
;
Chen, Litong
;
Cao, Guangmin
;
Yue, Haowei
;
Zhou, Jizhong
;
Yang, Yunfeng
;
Tang, Yanhong
;
He, Jin-Sheng
收藏
  |  
浏览/下载:103/0
  |  
提交时间:2017/12/04
carbon cycle
climate warming
methane
microbial functional gene
nitrous oxide
the Tibetan Plateau
METHANE EMISSIONS
NATURAL WETLANDS
ALTITUDE PEATLAND
NUTRIENT ADDITION
OMBROTROPHIC BOG
NORTHEAST CHINA
CLIMATE-CHANGE
CH4 EMISSIONS
CARBON FLUXES
N2O EMISSIONS
Glucuronide and Sulfate Conjugates of Bisphenol A: Chemical Synthesis and Correlation Between Their Urinary Levels and Plasma Bisphenol A Content in Voluntary Human Donors
期刊论文
ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY, 2017
Ho, Ka-Lok
;
Yuen, Ka-Ki
;
Yau, Man-Shan
;
Murphy, Margaret B.
;
Wan, Yi
;
Fong, Bonnie M.W.
;
Tam, Sidney
;
Giesy, John P.
;
Leung, Kelvin S.Y.
;
Lam, Michael H.W.
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
POLYBROMINATED DIPHENYL ETHERS
MASS-SPECTROMETRY
HUMAN EXPOSURE
TETRABROMOBISPHENOL-A
BPA GLUCURONIDE
PREGNANT-WOMEN
UNITED-STATES
MS/MS METHOD
METABOLITES
FETAL
Legume Shrubs Are More Nitrogen-Homeostatic than Non-legume Shrubs
期刊论文
FRONTIERS IN PLANT SCIENCE, 2017
Guo, Yanpei
;
Yang, Xian
;
Schob, Christian
;
Jiang, Youxu
;
Tang, Zhiyao
收藏
  |  
浏览/下载:119/0
  |  
提交时间:2017/12/03
legume shrubs
non-N-2-fixing shrubs
nutrient scaling
N: P
stoichiometric homeostasis
symbiotic nitrogen fixation
N-P RATIOS
TROPICAL RAIN-FORESTS
LEAF NITROGEN
PHOSPHORUS STOICHIOMETRY
ACQUISITION STRATEGIES
PLANTS
SOIL
FIXATION
LIMITATION
FACILITATION
Glucuronide and sulfate conjugates of tetrabromobisphenol A (TBBPA): Chemical synthesis and correlation between their urinary levels and plasma TBBPA content in voluntary human donors
期刊论文
ENVIRONMENT INTERNATIONAL, 2017
Ho, Ka-Lok
;
Yuen, Ka-Ki
;
Yau, Man-Shan
;
Murphy, Margaret B.
;
Wan, Yi
;
Fong, Bonnie M.W.
;
Tam, Sidney
;
Giesy, John P.
;
Leung, Kelvin S.Y.
;
Lam, Michael H.W.
收藏
  |  
浏览/下载:111/0
  |  
提交时间:2017/12/03
Tetrabromobisphenol-A
Glucuronide and sulfate conjugates
Body fluids
Human plasma
Human urine
BROMINATED FLAME RETARDANTS
POLYBROMINATED DIPHENYL ETHERS
ENANTIOMER-SPECIFIC DISTRIBUTION
PEARL RIVER DELTA
BREAST-MILK
BISPHENOL-A
SOUTH CHINA
ORGANOHALOGEN CONTAMINANTS
EXPOSURE ASSESSMENT
DIETARY EXPOSURE
Spatiotemporal Assessment of Forest Biomass Carbon Sinks: The Relative Roles of Forest Expansion and Growth in Sichuan Province, China
期刊论文
JOURNAL OF ENVIRONMENTAL QUALITY, 2017
Li, Renqiang
;
Zhao, Shujie
;
Zhao, Haifeng
;
Xu, Ming
;
Zhang, Liyun
;
Wen, Hui
;
Sheng, Qingkai
收藏
  |  
浏览/下载:111/0
  |  
提交时间:2017/12/03
INVENTORY DATA
UNITED-STATES
STORAGE
EQUATIONS
DENSITY
STOCK
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