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科研机构
北京大学 [26]
内容类型
期刊论文 [24]
其他 [2]
发表日期
2017 [1]
2016 [6]
2015 [1]
2014 [2]
2013 [4]
2011 [1]
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共26条,第1-10条
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专题:北京大学
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Characterizing copper flows in international trade of China, 1975-2015
期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2017
Zhang, Ling
;
Chen, Tianming
;
Yang, Jiameng
;
Cai, Zhijian
;
Sheng, Hu
;
Yuan, Zengwei
;
Wu, Huijun
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2017/12/03
Industrial ecology
Material flow analysis
International trade
Resource management
Metal cycle
IN-USE STOCK
PATTERNS
FUTURE
Precipitation overrides warming in mediating soil nitrogen pools in an alpine grassland ecosystem on the Tibetan Plateau
期刊论文
SCIENTIFIC REPORTS, 2016
Lin, Li
;
Zhu, Biao
;
Chen, Chengrong
;
Zhang, Zhenhua
;
Wang, Qi-Bing
;
He, Jin-Sheng
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/04
MICROBIAL BIOMASS
ORGANIC NITROGEN
CLIMATE-CHANGE
TALLGRASS PRAIRIE
NORTHERN CHINA
PLANT-GROWTH
AMINO-ACIDS
SHORT-TERM
LAND-USE
CARBON
Grazing-induced shifts in community functional composition and soil nutrient availability in Tibetan alpine meadows
期刊论文
JOURNAL OF APPLIED ECOLOGY, 2016
Niu, Kechang
;
He, Jin-Sheng
;
Lechowicz, Martin J.
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
community structure
functional traits
grazing rotation
leaf economics spectrum
plant-herbivore interactions
rangeland sustainability
soil fertility
species turnover
INTRASPECIFIC TRAIT VARIABILITY
LEAF ECONOMICS SPECTRUM
PLANT TRAITS
LAND-USE
GRASSLAND COMMUNITIES
TRADE-OFFS
RESPONSES
LEVEL
PHOSPHORUS
DIVERSITY
Land-use effects on organic and inorganic carbon patterns in the topsoil around Qinghai Lake basin, Qinghai-Tibetan Plateau
期刊论文
CATENA, 2016
Li, Chunli
;
Li, Qi
;
Zhao, Liang
;
Ge, Shidong
;
Chen, Dongdong
;
Dong, Quanmin
;
Zhao, Xinquan
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Land-use
Soil organic carbon
Soil inorganic carbon
Soil pH
Total nitrogen
Qinghai Lake basin
SOIL BACTERIAL COMMUNITIES
LOESS PLATEAU
NORTHERN CHINA
NITROGEN MINERALIZATION
ENVIRONMENTAL-CHANGES
STABLE-ISOTOPE
CLIMATE-CHANGE
GREEN PROGRAM
SEQUESTRATION
MANAGEMENT
A hybrid stock selection model based on forecasting, classification and feature selection
期刊论文
International Journal of u- and e- Service, Science and Technology, 2016
Zhang, Shiliang
;
Chang, Tingcheng
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/04
Distillation of News Flow Into Analysis of Stock Reactions
其他
2016-01-01
Zhang, Junni L.
;
Hardle, Wolfgang K.
;
Chen, Cathy Y.
;
Bommes, Elisabeth
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
Attention analysis
Investor sentiment
Returns
Sector analysis
Trading volume
Volatility simulation
INFORMATION-CONTENT
CONFIDENCE BANDS
VOLATILITY
MARKETS
MODEL
RISK
ESTIMATORS
REGRESSION
ATTENTION
SENTIMENT
Identifying Key Drivers of Return Reversal with Dynamical Bayesian Factor Graph
期刊论文
PLOS ONE, 2016
Zhao, Shuai
;
Tong, Yunhai
;
Wang, Zitian
;
Tan, Shaohua
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
BID-ASK SPREAD
STOCK-MARKET
PRICE
OVERREACTION
PREDICTION
LIQUIDITY
NETWORKS
INDEX
AUTOCORRELATIONS
EFFICIENCY
Sustainability evaluation of natural capital utilization based on (EF)-E-3D model: A case study in Beijing City, China
期刊论文
ECOLOGICAL INDICATORS, 2015
Peng, Jian
;
Du, Yueyue
;
Ma, Jing
;
Liu, Zhongwei
;
Liu, Yanxu
;
Wei, Hai
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Natural capital utilization
3D ecological footprint model
Ecology-equity-efficiency framework
Beijing City, China
ECOLOGICAL FOOTPRINT
ECOSYSTEM SERVICES
EFFICIENCY
COEFFICIENT
EQUITY
FAMILY
CARBON
Current systematic carbon-cycle observations and the need for implementing a policy-relevant carbon observing system
期刊论文
biogeosciences, 2014
Ciais, P.
;
Dolman, A. J.
;
Bombelli, A.
;
Duren, R.
;
Peregon, A.
;
Rayner, P. J.
;
Miller, C.
;
Gobron, N.
;
Kinderman, G.
;
Marland, G.
;
Gruber, N.
;
Chevallier, F.
;
Andres, R. J.
;
Balsamo, G.
;
Bopp, L.
;
Breon, F.M.
;
Broquet, G.
;
Dargaville, R.
;
Battin, T. J.
;
Borges, A.
;
Bovensmann, H.
;
Buchwitz, M.
;
Butler, J.
;
Canadell, J. G.
;
Cook, R. B.
;
DeFries, R.
;
Engelen, R.
;
Gurney, K. R.
;
Heinze, C.
;
Heimann, M.
;
Held, A.
;
Henry, M.
;
Law, B.
;
Luyssaert, S.
;
Miller, J.
;
Moriyama, T.
;
Moulin, C.
;
Myneni, R. B.
;
Nussli, C.
;
Obersteiner, M.
;
Ojima, D.
;
Pan, Y.
;
Par
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2015/11/16
NET ECOSYSTEM EXCHANGE
HYPERSPECTRAL INFRARED OBSERVATIONS
EDDY COVARIANCE MEASUREMENTS
GREENHOUSE-GAS EMISSIONS
COLUMN-AVERAGED METHANE
FOSSIL-FUEL COMBUSTION
CO2 SURFACE FLUXES
ATMOSPHERIC CO2
DIOXIDE EMISSIONS
FOREST BIOMASS
Modeling the effects of the Sloping Land Conversion Program on terrestrial ecosystem carbon dynamics in the Loess Plateau: A case study with Ansai County, Shaanxi province, China
期刊论文
ecological modelling, 2014
Zhou, Decheng
;
Zhao, Shuqing
;
Liu, Shuguang
;
Zhang, Liangxia
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/10
Ecological restoration
Land use/cover change (LUCC)
Carbon stocks
Carbon sequestration
General Ensemble Biogeochemical Modeling System (GEMS)
SOIL ORGANIC-CARBON
NET PRIMARY PRODUCTIVITY
CLIMATE-CHANGE
GREEN PROJECT
UNITED-STATES
COVER CHANGE
CYCLE
SEQUESTRATION
MANAGEMENT
FORESTS
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