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科研机构
北京大学 [214]
内容类型
期刊论文 [174]
其他 [35]
会议论文 [5]
发表日期
2017 [16]
2016 [26]
2015 [16]
2014 [21]
2013 [19]
2012 [11]
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专题:北京大学
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Mapping Development Pattern in Beijing-Tianjin-Hebei Urban Agglomeration Using DMSP/OLS Nighttime Light Data
期刊论文
REMOTE SENSING, 2017
Hu, Yi&apos
;
Peng, Jian
;
Liu, Yanxu
;
Du, Yueyue
;
Li, Huilei
;
Wu, Jiansheng
;
na
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
spatial inequality
urbanization type
DMSP/OLS
Beijing-Tianjin-Hebei urban agglomeration
CHINA
URBANIZATION
MEGALOPOLIS
PERSPECTIVE
EXPANSION
DYNAMICS
CITY
OLS
INEQUALITY
LUMINOSITY
我国北方温带草地土壤微生物群落组成及其环境影响因素
期刊论文
北京大学学报 自然科学版, 2017
方圆
;
王娓
;
姚晓东
;
彭晓茜
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
温带草原
土壤微生物群落
磷脂脂肪酸分析
temperate steppe
soil microbial community
phospholipid fatty acid analysis
Climatic factors driving vegetation declines in the 2005 and 2010 Amazon droughts
期刊论文
PLOS ONE, 2017
Zhao, Wenqian
;
Zhao, Xiang
;
Zhou, Tao
;
Wu, Donghai
;
Tang, Bijian
;
Wei, Hong
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
CANOPY STRUCTURE
TIME-SERIES
RAIN-FOREST
VARIABILITY
DYNAMICS
MODIS
WATER
NDVI
SOIL
SEASONALITY
The discovery of late Triassic mylonitic granite and geologic significance in the middle Gangdese batholiths, southern Tibet
期刊论文
JOURNAL OF GEODYNAMICS, 2017
Ma, Shiwei
;
Meng, Yuanku
;
Xu, Zhiqin
;
Li, Xiaojia
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2017/12/03
Zircon U-Pb ages and Lu-Hf isotopes
Geochemistry
Mylonitic granite
Late triassic
Gangdese batholiths
ZIRCON U-PB
LACHLAN FOLD BELT
LHASA TERRANE IMPLICATIONS
VOLCANIC-ROCKS
HF-ISOTOPE
NEO-TETHYS
TECTONIC SIGNIFICANCE
ARC MAGMAS
S-TYPE
LU-HF
Classifying natural-language spatial relation terms with random forest algorithm
期刊论文
INTERNATIONAL JOURNAL OF GEOGRAPHICAL INFORMATION SCIENCE, 2017
Du, Shihong
;
Wang, Xiaonan
;
Feng, Chen-Chieh
;
Zhang, Xiuyuan
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
Natural-language spatial relations
topological terms
metric variables
random forest
social media data
geographical information retrieval
METRIC DETAILS
SOCIAL MEDIA
OBJECTS
INFORMATION
Segmentation and classification of two-channel C. elegans nucleus-labeled fluorescence images
其他
2017-01-01
Zhao, Mengdi
;
An, Jie
;
Li, Haiwen
;
Zhang, Jiazhi
;
Li, Shang-Tong
;
Li, Xue-Mei
;
Dong, Meng-Qiu
;
Mao, Heng
;
Tao, Louis
收藏
  |  
浏览/下载:117/0
  |  
提交时间:2017/12/03
C. elegans
Nucleus
Aging
Two-channel fluorescence image
Morphology
Segmentation
Classification
AGE-RELATED-CHANGES
AFFECT LIFE-SPAN
CAENORHABDITIS-ELEGANS
CELL SEGMENTATION
ARCHITECTURE
MORPHOLOGY
INTEGRITY
中国鱼类硼本底含量调查研究
其他
2017-01-01
王彝白纳
;
雍凌
;
毛伟峰
;
耿直
;
张磊
;
周萍萍
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
硼
鱼类
本底值
boron
fish
background value
A Pilot Study of F-18-Alfatide PET/CT Imaging for Detecting Lymph Node Metastases in Patients with Non-Small Cell Lung Cancer
期刊论文
SCIENTIFIC REPORTS, 2017
Zhou, Yue
;
Gao, Song
;
Huang, Yong
;
Zheng, Jinsong
;
Dong, Yinjun
;
Zhang, Baijiang
;
Zhao, Shuqiang
;
Lu, Hong
;
Liu, Zhibo
;
Yu, Jinming
;
Yuan, Shuanghu
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
INTEGRIN ALPHA(V)BETA(3) EXPRESSION
POSITRON-EMISSION-TOMOGRAPHY
ASP RGD PEPTIDE
RADIATION-DOSIMETRY
BIODISTRIBUTION
F-18-AH111585
ANGIOGENESIS
AGENT
Model simulation of NO3, N2O5 and ClNO2 at a rural site in Beijing during CAREBeijing-2006
期刊论文
ATMOSPHERIC RESEARCH, 2017
Wang, Haichao
;
Lu, Keding
;
Tan, Zhaofeng
;
Sun, Kang
;
Li, Xin
;
Hu, Min
;
Shao, Min
;
Zeng, Limin
;
Zhu, Tong
;
Zhang, Yuanhang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
ATMOSPHERIC CHEMISTRY MECHANISM
VOLATILE ORGANIC-COMPOUNDS
GAS-PHASE REACTIONS
NITRYL CHLORIDE
REACTIVE UPTAKE
BOUNDARY-LAYER
HETEROGENEOUS HYDROLYSIS
DINITROGEN PENTOXIDE
NIGHTTIME CHEMISTRY
SOUTHERN CHINA
Estimation of atmospheric aging time of black carbon particles in the polluted atmosphere over central-eastern China using microphysical process analysis in regional chemical transport model
期刊论文
ATMOSPHERIC ENVIRONMENT, 2017
Chen, Xueshun
;
Wang, Zifa
;
Yu, Fangqun
;
Pan, Xiaole
;
Li, Jie
;
Ge, Baozhu
;
Wang, Zhe
;
Hu, Min
;
Yang, Wenyi
;
Chen, Huansheng
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Black carbon(BC)
Microphysics
Aging
NAQPMS plus APM
OPTICAL-PROPERTIES
AEROSOL-PARTICLES
MIXING STATE
SOOT
SIZE
SIMULATION
NUCLEATION
SULFATE
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