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科研机构
北京大学 [566]
内容类型
期刊论文 [493]
其他 [67]
会议论文 [6]
发表日期
2017 [38]
2016 [71]
2015 [42]
2014 [59]
2013 [51]
2012 [31]
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专题:北京大学
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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
  |  
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
Contamination characteristics and source apportionment of methylated PAHs in agricultural soils from Yangtze River Delta, China
期刊论文
ENVIRONMENTAL POLLUTION, 2017
Chen, Weixiao
;
Wu, Xinyi
;
Zhang, Haiyun
;
Sun, Jianteng
;
Liu, Wenxin
;
Zhu, Lizhong
;
Li, Xiangdong
;
Tsang, Daniel C. W.
;
Tao, Shu
;
Wang, Xilong
收藏
  |  
浏览/下载:120/0
  |  
提交时间:2017/12/03
Methylated PAHs
Agricultural soil
Yangtze River Delta
Spatial distribution
Source apportionment
POLYCYCLIC AROMATIC-HYDROCARBONS
GAS CHROMATOGRAPHY/MASS SPECTROMETRY
SURFACE-WATER
SOUTH CHINA
ALKYL-PAHS
CRUDE-OIL
DAYA BAY
SEDIMENTS
SORPTION
IDENTIFICATION
Spatial distribution, emission source and health risk of parent PAHs and derivatives in surface soils from the Yangtze River Delta, eastern China
期刊论文
CHEMOSPHERE, 2017
Cai, ChuanYang
;
Li, JingYa
;
Wu, Di
;
Wang, XiLong
;
Tsang, Daniel C. W.
;
Li, XiangDong
;
Sun, JianTeng
;
Zhu, LiZhong
;
Shen, HuiZhong
;
Tao, Shu
;
Liu, WenXin
收藏
  |  
浏览/下载:112/0
  |  
提交时间:2017/12/03
Parent PAHs and derivatives
Surface soil
Yangtze River
Delta
Occurrence
Source Health risk
POLYCYCLIC AROMATIC-HYDROCARBONS
AGRICULTURAL SOILS
ORGANOCHLORINE PESTICIDES
SOURCE APPORTIONMENT
CONTAMINATED SITES
URBAN AREAS
REGION
RATIOS
NITRO
IDENTIFICATION
基于“重要性—敏感性—连通性”框架的云浮市生态安全格局构建
期刊论文
地理研究, 2017
陈昕
;
彭建
;
刘焱序
;
杨旸
;
李贵才
收藏
  |  
浏览/下载:107/0
  |  
提交时间:2017/12/03
生态安全格局
源地识别
廊道判定
最小累积阻力模型
云浮市
ecological security patterns
ecological source identification
ecological corridor identification
minimum cumulative resistance model
Yunfu city
循环经济的风险识别、评估与控制
期刊论文
生态经济, 2017
韦欣
;
龙文静
;
王于鹤
收藏
  |  
浏览/下载:111/0
  |  
提交时间:2017/12/03
循环经济
风险识别
风险评估
风险控制
circular economy
risk identification
risk evaluation
risk control
Extraction and analysis of city's tourism districts based on social media data
期刊论文
COMPUTERS ENVIRONMENT AND URBAN SYSTEMS, 2017
Shao, Hu
;
Zhang, Yi
;
Li, Wenwen
收藏
  |  
浏览/下载:112/0
  |  
提交时间:2017/12/03
Tourism district
Social media
Spatial-temporal behavior
DESTINATION
NETWORKS
TRACKING
COMMUNITIES
SINGAPORE
IDENTIFICATION
ORGANIZATION
LOCATION
EXAMPLE
WORLD
城市手机用户移动轨迹时空熵特征分析
期刊论文
武汉大学学报(信息科学版), 2017
康朝贵
;
刘瑜
;
邬伦
收藏
  |  
浏览/下载:109/0
  |  
提交时间:2017/12/03
手机话单
个体轨迹
活动提取
出行模式
时空熵
call detailed records
digital traces
displacement identification
mobility patterns
trajectory entropy
AN ALGEBRAIC APPROACH TO NONORTHOGONAL GENERAL JOINT BLOCK DIAGONALIZATION
其他
2017-01-01
Cai, Yunfeng
;
Liu, Chengyu
收藏
  |  
浏览/下载:112/0
  |  
提交时间:2017/12/03
joint block diagonalization
tensor decomposition
independent component analysis
CANONICAL POLYADIC DECOMPOSITION
HIGHER-ORDER TENSOR
EXPLOITING GROUP SYMMETRY
MATRIX ASTERISK-ALGEBRAS
3RD-ORDER TENSORS
UNIQUENESS
SEPARATION
IDENTIFICATION
ALGORITHMS
SQUARES
Engineering of Harobin for enhanced fibrinolytic activity obtained by random and site-directed mutagenesis
期刊论文
PROTEIN EXPRESSION AND PURIFICATION, 2017
Li, Zhuojian
;
Chen, Xiaojia
;
Guo, Shujun
;
Zhang, Huihua
;
Dong, Haojun
;
Wu, Guoyi
;
Hong, An
;
Gu, Jun
收藏
  |  
浏览/下载:107/0
  |  
提交时间:2017/12/03
Random mutagenesis
Double mutant
Harobin
Thrombosis
Hypertension
ERROR-PRONE PCR
SNAKE-VENOM
HYPERTENSIVE-RAT
PLATELET-AGGREGATION
ORAL ANTICOAGULANTS
PICHIA-PASTORIS
EVOLUTION
HEMOSTASIS
PROTEINS
IDENTIFICATION
MicroRNA-17-92 Regulates the Transcription Factor E2F3b during Myogenesis In Vitro and In Vivo
期刊论文
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES, 2017
Tang, Zhixiong
;
Liu, Nian
;
Luo, Lan
;
Kang, Kang
;
Li, Li
;
Ni, Ruiyang
;
Qiu, Huiling
;
Gou, Deming
收藏
  |  
浏览/下载:105/0
  |  
提交时间:2017/12/03
miR-20a
E2F3b
muscle
SATELLITE CELLS
DIFFERENTIATION
IDENTIFICATION
EXPRESSION
MECHANISM
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