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科研机构
北京大学 [57]
内容类型
期刊论文 [45]
其他 [12]
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2017 [6]
2016 [11]
2015 [5]
2014 [4]
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专题:北京大学
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Changes of carbon stocks in alpine grassland soils from 2002 to 2011 on the Tibetan Plateau and their climatic causes
期刊论文
GEODERMA, 2017
Chen, Litong
;
Jing, Xin
;
Flynn, Dan F. B.
;
Shi, Yue
;
Kuehn, Peter
;
Scholten, Thomas
;
He, Jin-Sheng
收藏
  |  
浏览/下载:112/0
  |  
提交时间:2017/12/03
Soil organic carbon (SOC)
SOC stocks
Repeated soil inventory
Alpine meadow
Alpine steppe
Tibetan Plateau
NET PRIMARY PRODUCTIVITY
ORGANIC-CARBON
TERRESTRIAL ECOSYSTEMS
RECENT DECADES
ARCTIC TUNDRA
FOREST SOILS
GREEN-UP
NITROGEN
CHINA
DYNAMICS
Estimation of observation errors for large-scale atmospheric inversion of CO2 emissions from fossil fuel combustion
期刊论文
TELLUS SERIES B-CHEMICAL AND PHYSICAL METEOROLOGY, 2017
Wang, Yilong
;
Broquet, Gregoire
;
Ciais, Philippe
;
Chevallier, Frederic
;
Vogel, Felix
;
Kadygrov, Nikolay
;
Wu, Lin
;
Yin, Yi
;
Wang, Rong
;
Tao, Shu
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
fossil fuel
radiocarbon
global atmospheric inversion
observation error
Europe
CARBON-DIOXIDE EMISSIONS
ANTHROPOGENIC CO2
TRANSPORT MODELS
PART 1
EUROPE
(CO2)-C-14
UNCERTAINTIES
VERIFICATION
SIMULATIONS
FLUXES
长江中游宜昌至武汉段底栖动物群落结构特征研究
期刊论文
北京大学学报 自然科学版, 2017
陈秀粉
;
夏炜
;
潘保柱
;
许旭明
;
倪晋仁
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
长江中游
底栖动物
群落结构
功能摄食类群
环境因素
middle reach of the Yangtze River
macroinvertebrate
community structure
functional feeding groups
environmental factors
Levels and risk factors for urinary metabolites of polycyclic aromatic hydrocarbons in children living in Chongqing, China
期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2017
Liu, Shudan
;
Liu, Qin
;
Ostbye, Truls
;
Story, Mary
;
Deng, Xu
;
Chen, Yiwen
;
Li, Wenyan
;
Wang, Hong
;
Qiu, Jingfu
;
Zhang, Junfeng
收藏
  |  
浏览/下载:14/0
  |  
提交时间:2017/12/03
Polycyclic aromatic hydrocarbons
Urinary metabolite
Children
Biomonitoring
Environment exposure
PAH EXPOSURE
AMBIENT AIR
1-HYDROXYPYRENE
EXCRETION
BIOMARKER
CITY
SCHOOLCHILDREN
POLYMORPHISMS
SPECTROMETRY
VARIABILITY
Digital image correlation based on a fast convolution strategy
期刊论文
OPTICS AND LASERS IN ENGINEERING, 2017
Yuan, Yuan
;
Zhan, Qin
;
Xiong, Chunyang
;
Huang, Jianyong
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
Deformation measurement
Image registration
Fast convolution
Computational performance
HIGH-ACCURACY
DEFORMATION MEASUREMENT
INITIAL GUESS
DISPLACEMENT
ALGORITHM
GRADIENT
REGISTRATION
CRITERIA
SCHEME
Stand-alone differential capacitance force sensors with sub-nano-newton sensitivity
期刊论文
JOURNAL OF MICROMECHANICS AND MICROENGINEERING, 2017
Ye, Jilong
;
Sun, Taotao
;
Huang, Dong
;
Li, Zhihong
;
Lin, Li
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
capacitive force sensor
sub-nano-newton sensitivity
asymmetric differential structure
hydrophobization treatment
stand-alone device
DIAMAGNETIC LEVITATION
MICROSCOPY
CALIBRATION
CANTILEVERS
STRENGTH
Characteristic pollen source area and vertical pollen dispersal and deposition in a mixed coniferous and deciduous broad-leaved woodland in the Changbai mountains, northeast China
期刊论文
VEGETATION HISTORY AND ARCHAEOBOTANY, 2016
Zhang, Shengrui
;
Xu, Qinghai
;
Gaillard, Marie-Jose
;
Cao, Xianyong
;
Li, Jianyong
;
Zhang, Liyan
;
Li, Yuecong
;
Tian, Fang
;
Zhou, Liping
;
Lin, Fengyou
;
Yang, Xiaolan
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Changbai mountains
Mixed coniferous and deciduous broad-leaved woodland
Vertical pollen dispersal and deposition
Characteristic pollen source area
HIGH-RESOLUTION RECORD
ACCUMULATION RATES
LAKE-SEDIMENTS
QUANTITATIVE RECONSTRUCTION
VEGETATION RELATIONSHIPS
SOUTHERN SWEDEN
REVEALS MODEL
TAUBER TRAPS
CLIMATE
FOREST
Re-evaluating the 1940s CO2 plateau
期刊论文
BIOGEOSCIENCES, 2016
Bastos, Ana
;
Ciais, Philippe
;
Barichivich, Jonathan
;
Bopp, Laurent
;
Brovkin, Victor
;
Gasser, Thomas
;
Peng, Shushi
;
Pongratz, Julia
;
Viovy, Nicolas
;
Trudinger, Cathy M.
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
LAND-COVER CHANGE
TERRESTRIAL CARBON BALANCE
LAST 1000 YEARS
ATMOSPHERIC CO2
INTERANNUAL VARIABILITY
SAMPLING-NETWORK
CLIMATE-CHANGE
DATA SET
EL-NINO
DIOXIDE
Spatial Autocorrelation Approaches to Testing Residuals from Least Squares Regression
期刊论文
PLOS ONE, 2016
Chen, Yanguang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Bioaerosol emissions and detection of airborne antibiotic resistance genes from a wastewater treatment plant
期刊论文
ATMOSPHERIC ENVIRONMENT, 2016
Li, Jing
;
Zhou, Liantong
;
Zhang, Xiangyu
;
Xu, Caijia
;
Dong, Liming
;
Yao, Maosheng
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Wastewater treatment plant
Bioaerosols
Airborne antibiotic resistance genes
Bacterial aerosols
Fungal aerosols
Bacterial pathogens
WORK-RELATED SYMPTOMS
SULFONAMIDE RESISTANCE
TREATMENT SYSTEMS
ESCHERICHIA-COLI
ACTIVATED-SLUDGE
SEWAGE
TETRACYCLINE
ENVIRONMENT
BACTERIA
CHINA
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