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科研机构
北京大学 [923]
内容类型
期刊论文 [798]
其他 [118]
会议论文 [7]
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2017 [102]
2016 [107]
2015 [75]
2014 [82]
2013 [77]
2012 [67]
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Exploring car ownership and car use in neighborhoods near metro stations in Beijing: Does the neighborhood built environment matter?
期刊论文
TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT, 2017
Li, Shengxiao
;
Zhao, Pengjun
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浏览/下载:20/0
  |  
提交时间:2017/12/03
The built environment
Car ownership
VKT
Self-selection
Beijing
MIXED LAND-USE
TRAVEL BEHAVIOR
URBAN FORM
NORTHERN CALIFORNIA
EMPIRICAL-EVIDENCE
AUTO OWNERSHIP
SELF-SELECTION
GROWING CITY
MODE CHOICE
CHINA
Emerging polycentric megacity in China: An examination of employment subcenters and their influence on population distribution in Beijing
期刊论文
CITIES, 2017
Huang, Daquan
;
Liu, Zhen
;
Zhao, Xingshuo
;
Zhao, Pengjun
收藏
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浏览/下载:117/0
  |  
提交时间:2017/12/03
Employment subcenters
Population density
Urban spatial structures
Beijing
China
FRANCISCO BAY AREA
URBAN SUB-CENTERS
SPATIAL STRUCTURE
METROPOLITAN-AREA
LAND-DEVELOPMENT
MEXICO-CITY
LOS-ANGELES
IDENTIFICATION
DENSITY
CHICAGO
以出行路径耗时为测度的城镇体系空间结构研究
期刊论文
经济地理, 2017
杨震
;
吕斌
;
王晶
收藏
  |  
浏览/下载:110/0
  |  
提交时间:2017/12/03
城镇体系
空间结构
出行路径耗时
紧凑度
urban system
space structure
travel time on paths
compactness ratio
Spatiotemporal Structure Features of Network Check-in Activities of Urban Residents and Their Impacting Factors: A Case Study in Six Urban Districts of Beijing
期刊论文
JOURNAL OF ASIAN ARCHITECTURE AND BUILDING ENGINEERING, 2017
Dai, Linlin
;
Xue, Tao
;
Wu, Bihu
;
Rong, Xiao
;
Xu, Bixia
收藏
  |  
浏览/下载:111/0
  |  
提交时间:2017/12/03
big data
check-in activities
spatiotemporal structure
Beijing
中国区域产业结构演化的路径突破
期刊论文
地理科学进展, 2017
金璐璐
;
贺灿飞
;
周沂
;
胡绪千
收藏
  |  
浏览/下载:115/0
  |  
提交时间:2017/12/03
路径突破
路径依赖
产业演化
产业进入
产业退出
生产能力
政府补贴
path creation
path dependence
industry evolution
new industry
exit industry
product capacity
governmental subsidies
Retrieving the gap fraction, element clumping index, and leaf area index of individual trees using single-scan data from a terrestrial laser scanner
期刊论文
ISPRS JOURNAL OF PHOTOGRAMMETRY AND REMOTE SENSING, 2017
Li, Yumei
;
Guo, Qinghua
;
Su, Yanjun
;
Tao, Shengli
;
Zhao, Kaiguang
;
Xu, Guangcai
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
Destructive sample
Extinction coefficient
Single scanning
Terrestrial laser scanning
Riegl VZ-400
GROUND-BASED LIDAR
HEMISPHERICAL PHOTOGRAPHY
ANGLE DISTRIBUTION
FOREST STRUCTURE
PLANT CANOPIES
BOREAL FORESTS
STANDS
ARCHITECTURE
DERIVATION
DENSITY
Pressure-induced structural and spin transitions of Fe3S4
期刊论文
SCIENTIFIC REPORTS, 2017
Huang, Shengxuan
;
Kang, Duan
;
Wu, Xiang
;
Niu, Jingjing
;
Qin, Shan
收藏
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浏览/下载:5/0
  |  
提交时间:2017/12/03
AUGMENTED-WAVE METHOD
GREIGITE FE3S4
MAGNETIC-PROPERTIES
CRYSTAL-STRUCTURE
FE3O4
COMPRESSIBILITY
TEMPERATURES
POLYMORPHS
STABILITY
SPECTRA
Mercury's cross-tail current sheet: Structure, X-line location and stress balance
期刊论文
GEOPHYSICAL RESEARCH LETTERS, 2017
Poh, Gangkai
;
Slavin, James A.
;
Jia, Xianzhe
;
Raines, Jim M.
;
Imber, Suzanne M.
;
Sun, Wei-Jie
;
Gershman, Daniel J.
;
DiBraccio, Gina A.
;
Genestreti, Kevin J.
;
Smith, Andy W.
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Mercury
cross-tail current sheet
stress balance
Near-Mercury Neutral Line
magnetotail structure
LARGE-SCALE STRUCTURE
MESSENGER OBSERVATIONS
MAGNETIC-FIELD
PLASMA SHEET
MAGNETOTAIL
RECONNECTION
MAGNETOPAUSE
MAGNETOSPHERE
INSTRUMENT
DYNAMICS
K2O及其类似氧化物的第一性原理计算
期刊论文
科技通报, 2017
聂淑芳
;
苏星瑶
;
王洋
;
姜源
;
吴圣
;
赵习
;
蒋启财
收藏
  |  
浏览/下载:56/0
  |  
提交时间:2017/12/03
密度泛函理论
立方结构氧化物
状态方程
机械性质
density functional theory
cubic structural oxides
equation of state
mechanical properties
Comparative study on characteristics of spread-F at low- and mid-latitudes during high and low solar activities over East Asia
期刊论文
CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION, 2017
Guo Bing
;
Xiao Sai-Guan
;
Shi Jian-Kui
;
Xiao Zuo
;
Wang Guo-Jun
;
Cheng Zheng-Wei
;
Shang She-Ping
;
Wang Zheng
;
Suo Yu-Cheng
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Spread-F
Low-and mid-latitude ionosphere
Solar activity
Seasonal variation
Local time variation
EQUATORIAL SCINTILLATIONS
DENSITY IRREGULARITIES
NEUTRAL WINDS
REGION
IONOSPHERE
STORM
MORPHOLOGY
EVOLUTION
RELEVANT
VELOCITY
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