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科研机构
北京大学 [33]
内容类型
期刊论文 [21]
其他 [12]
发表日期
2017 [5]
2016 [1]
2015 [2]
2014 [2]
2013 [3]
2012 [6]
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专题:北京大学
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Occurrence of nitro- and oxy-PAHs in agricultural soils in eastern China and excess lifetime cancer risks from human exposure through soil ingestion
期刊论文
ENVIRONMENT INTERNATIONAL, 2017
Sun, Zhe
;
Zhu, Ying
;
Zhuo, Shaojie
;
Liu, Weiping
;
Zeng, Eddy Y.
;
Wang, Xilong
;
Xing, Baoshan
;
Tao, Shu
收藏
  |  
浏览/下载:128/0
  |  
提交时间:2017/12/03
Nitro-PAHs
Oxy-PAHs
Agricultural soil
Excess lifetime cancer risks
Soil ingestion
Eastern China
POLYCYCLIC AROMATIC-HYDROCARBONS
HONG-KONG SOILS
SOURCE APPORTIONMENT
SPATIAL-DISTRIBUTION
CONTAMINATED SOILS
EMISSION SOURCES
OXYGENATED-PAHS
NORTHERN CHINA
NITRATED-PAHS
FATE MODEL
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
Analysis of co-occurrence toponyms in web pages based on complex networks
期刊论文
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS, 2017
Zhong, Xiang
;
Liu, Jiajun
;
Gao, Yong
;
Wu, Lun
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
Toponym
Toponym co-occurrence
Complex network
Link analysis
Geographic information retrieval
COCITATION
CHINESE
天津市夏季臭氧污染特征及来源的模拟分析
期刊论文
北京大学学报 自然科学版, 2017
洪礼楠
;
黄争超
;
秦墨梅
;
王雪松
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
天津
臭氧
前体物控制区
来源
HDDM
Tianjin
ozone
sensitivity regimes
source apportionment
HDDM
基于deepwalk方法的适应有限文本信息的DWLTI算法
期刊论文
郑州大学学报(理学版), 2017
江东灿
;
陈维政
;
闫宏飞
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
deepwalk
deepwalk
hierarchical Softmax
limited text information
network representation
deep learning
层次Softmax
有限文本信息
网络表示学习
深度学习
A simulation-based water-environment management model for regional sustainability in compound wetland ecosystem under multiple uncertainties
期刊论文
ECOLOGICAL MODELLING, 2016
Zeng, X. T.
;
Huang, G. H.
;
Chen, H. L.
;
Li, Y. P.
;
Kong, X. M.
;
Fan, Y. R.
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
Compound wetland ecosystem
Fractile-stochastic programming
GR3 simulation technique
Laplace scenario analysis
Multiple uncertainties
Risk analysis
NONPOINT-SOURCE POLLUTION
RESOURCES MANAGEMENT
OPTIMIZATION
QUALITY
CHINA
CREDIBILITY
PROTECTION
SYSTEM
SWAT
Earthquake potential of the Sichuan-Yunnan region, western China
期刊论文
JOURNAL OF ASIAN EARTH SCIENCES, 2015
Wang, Fan
;
Wang, Min
;
Wang, Yanzhao
;
Shen, Zheng-Kang
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2017/12/03
Seismic hazard
Sichuan-Yunnan region
Seismic moment accumulation
Strain rate
Earthquake catalog
SOUTHERN-CALIFORNIA
GEODETIC STRAIN
TIME
DEFORMATION
AFTERSHOCKS
SEISMICITY
PREDICTION
FORECASTS
MODEL
RATES
Learning to Detect Anomalies in Surveillance Video
期刊论文
IEEE SIGNAL PROCESSING LETTERS, 2015
Xiao, Tan
;
Zhang, Chao
;
Zha, Hongbin
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
CONCISE COMPARATIVE SUMMARIES (CCS) OF LARGE TEXT CORPORA WITH A HUMAN EXPERIMENT
其他
2014-01-01
Jia, Jinzhu
;
Miratrix, Luke
;
Yu, Bin
;
Gawalt, Brian
;
El Ghaoui, Laurent
;
Barnesmoore, Luke
;
Clavier, Sophie
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2015/11/13
Text summarization
high-dimensional analysis
sparse modeling
Lasso
L1 regularized logistic regression
co-occurrence
tf-idf
L2 normalization
FEATURE-SELECTION
SOCIAL-SCIENCE
CATEGORIZATION
REGRESSION
RETRIEVAL
LASSO
断层地震孕育和发生的不稳定性模型
期刊论文
地球物理学报, 2014
李平恩
;
殷有泉
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2015/11/11
倾斜断层
地震不稳定性
断层本构关系
Coulomb破裂准则
平衡路径曲线
Inclined fault
Earthquake instability
Fault constitutive relation
Coulomb fracture criteria
Equilibrium path curve
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