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科研机构
北京大学 [41]
内容类型
期刊论文 [37]
其他 [4]
发表日期
2017 [3]
2015 [3]
2014 [2]
2013 [7]
2012 [2]
2011 [6]
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专题:北京大学
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构建面向个性化服务的特大城市云空间数据中心
期刊论文
测绘通报, 2017
陶迎春
;
刘光
;
庞京辉
;
吴爱华
;
赵凌美
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2017/12/03
个性化服务
空间数据情景式应用
异构空间数据在线集成
云空间数据中心
personalized service
situational application of spatial data
online integration of heterogeneous spatial data
cloud spatial data centre
Stromatolites near the Permian-Triassic boundary in Chongyang, Hubei Province, South China: A geobiological window into palaeo-oceanic fluctuations following the end-Permian extinction
期刊论文
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY, 2017
Adachi, Natsuko
;
Asada, Yuya
;
Ezaki, Yoichi
;
Liu, Jianbo
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Extinction
Microbialite
Ocean condition
South China
Stromatolite
WESTERN UNITED-STATES
MASS EXTINCTION
NANPANJIANG BASIN
GUIZHOU PROVINCE
PALEOENVIRONMENTAL SIGNIFICANCE
DOLOMITE PRECIPITATION
MARINE STROMATOLITES
ENVIRONMENTAL-CHANGE
SICHUAN PROVINCE
GREAT BANK
Characteristics and source apportionment of PM2.5 during persistent extreme haze events in Chengdu, southwest China
期刊论文
ENVIRONMENTAL POLLUTION, 2017
Li, Lulu
;
Tan, Qinwen
;
Zhang, Yuanhang
;
Feng, Miao
;
Qu, Yu
;
An, Junling
;
Liu, Xingang
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Secondary inorganic aerosol
Hygroscopic growth
Source apportionment
Chengdu
POSITIVE MATRIX FACTORIZATION
AEROSOL OPTICAL-PROPERTIES
MEGA-CITY GUANGZHOU
PEARL RIVER DELTA
CHEMICAL-COMPOSITION
AIR-POLLUTION
PARTICULATE POLLUTANTS
ATMOSPHERIC AEROSOL
SICHUAN BASIN
URBAN
对流层大气NO_3与N_2O_5的实地测量
期刊论文
化学进展, 2015
王海潮
;
陈军
;
陆克定
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
大气硝基自由基
五氧化二氮
实地测量
测量技术
化学机理
nitrate radical (NO3)
dinitrogen pentoxide (N2O5)
field measurement
measurement techniques
chemical mechanism
ENHANCED ABSORPTION-SPECTROSCOPY
DIFFERENTIAL OPTICAL-ABSORPTION
RING-DOWN SPECTROSCOPY
MARINE BOUNDARY-LAYER
PEARL RIVER-DELTA
INDUCED FLUORESCENCE TECHNIQUE
IONIZATION MASS-SPECTROMETRY
LASER-INDUCED FLUORESCENCE
NOCTURNAL NITROGEN-OXIDES
IN-SITU MEASUREMENT
Spatial patterns, driving forces, and urbanization effects of China's internal migration: County-level analysis based on the 2000 and 2010 censuses
期刊论文
journal of geographical sciences, 2015
Liu Tao
;
Qi Yuanjing
;
Cao Guangzhong
;
Liu Hui
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2015/11/11
floating population
migration
urbanization
urban system
megacity region
census
China
RURAL-URBAN MIGRATION
INTERPROVINCIAL MIGRATION
REGIONAL-DEVELOPMENT
DECISIONS
GEOGRAPHY
Landscape modification for ambient environmental improvement in central business districts - A case from Beijing
期刊论文
2015
Wang, Yupeng
;
Zacharias, John
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2015/11/11
Mega-projects
Simulation
Traffic volume
Urban environment
Urban vegetation
URBAN HEAT-ISLAND
INDUCED TRAVEL
AIR-QUALITY
LAND-USE
MODEL
TRANSPORTATION
CITIES
URBANIZATION
VEGETATION
CAPACITY
Submicron aerosols at thirteen diversified sites in China: size distribution, new particle formation and corresponding contribution to cloud condensation nuclei production
期刊论文
atmospheric chemistry and physics, 2014
Peng, J. F.
;
Hu, M.
;
Wang, Z. B.
;
Huang, X. F.
;
Kumar, P.
;
Wu, Z. J.
;
Guo, S.
;
Yue, D. L.
;
Shang, D. J.
;
Zheng, Z.
;
He, L. Y.
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2015/11/13
PEARL RIVER-DELTA
BIOMASS BURNING PARTICLES
OPTICAL-PROPERTIES
FORMATION EVENTS
MEGA-CITY
NORTHERN FINLAND
EASTERN CHINA
AIR-POLLUTION
SULFURIC-ACID
LONG-TERM
Chemical characteristics of PM10 during the summer in the mega-city Guangzhou, China
期刊论文
atmospheric research, 2014
Han, Tingting
;
Liu, Xingang
;
Zhang, Yuanhang
;
Gu, Jianwei
;
Tian, Hezhong
;
Zeng, Limin
;
Chang, Shih-Yu
;
Cheng, Yafang
;
Lu, Keding
;
Hu, Min
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2015/11/11
Particulate matter
Water-soluble inorganic ions
Organic carbon
Elemental carbon
Guangzhou
PEARL RIVER-DELTA
SOLUBLE IONIC COMPOSITION
CARBONACEOUS AEROSOL
HAZE EPISODE
REGIONAL HAZE
PRD CAMPAIGN
TAIPEI BASIN
AIR-QUALITY
HONG-KONG
PM2.5
Research for geological safety supporting system of mega-city regions - A case of Beijing city
其他
2013-01-01
Qu, Honggang
;
Pan, Mao
;
Liu, Xueqing
;
Song, Yue
;
Miao, Jinli
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/17
Long-term measurements of particle number size distributions and the relationships with air mass history and source apportionment in the summer of Beijing
期刊论文
atmospheric chemistry and physics, 2013
Wang, Z. B.
;
Hu, M.
;
Wu, Z. J.
;
Yue, D. L.
;
He, L. Y.
;
Huang, X. F.
;
Liu, X. G.
;
Wiedensohler, A.
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/13
POSITIVE MATRIX FACTORIZATION
PEARL RIVER-DELTA
PARTICULATE MATTER
OLYMPIC GAMES
ON-ROAD
SUBMICRON PARTICLES
FORMATION EVENTS
MEGA-CITY
AEROSOL
CHINA
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