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科研机构
北京大学 [159]
内容类型
期刊论文 [105]
其他 [48]
会议论文 [6]
发表日期
2017 [12]
2016 [24]
2015 [19]
2014 [20]
2013 [21]
2012 [6]
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专题:北京大学
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Endmember extraction from hyperspectral image based on discrete firefly algorithm (EE-DFA)
期刊论文
ISPRS JOURNAL OF PHOTOGRAMMETRY AND REMOTE SENSING, 2017
Zhang, Chengye
;
Qin, Qiming
;
Zhang, Tianyuan
;
Sun, Yuanheng
;
Chen, Chao
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2017/12/03
Endmember extraction
Discrete firefly algorithm (DFA)
Hyperspectral image
Remote sensing
DIMENSIONALITY
Optimal Bayes classifiers for functional data and density ratios
其他
2017-01-01
Dai, Xiongtao
;
Mueller, Hans-Georg
;
Yao, Fang
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Density estimation
Functional classification
Functional principal component analysis
Gaussian process
Quadratic discriminant analysis
PRINCIPAL-COMPONENTS-ANALYSIS
GENE-EXPRESSION DATA
PROBABILITY DENSITY
LONGITUDINAL DATA
CLASSIFICATION
DISCRIMINATION
MODELS
REGRESSION
MRI
Explicit factorizations of cyclotomic polynomials over finite fields
其他
2017-01-01
Wu, Hongfeng
;
Zhu, Li
;
Feng, Rongquan
;
Yang, Siman
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
Cyclotomic polynomials
Irreducible factorization
Irreducible polynomials
Finite fields
DICKSON POLYNOMIALS
Diagnosing Tibetan pollutant sources via volatile organic compound observations
期刊论文
ATMOSPHERIC ENVIRONMENT, 2017
Li, Hongyan
;
He, Qiusheng
;
Song, Qi
;
Chen, Laiguo
;
Song, Yongjia
;
Wang, Yuhang
;
Lin, Kui
;
Xu, Zhencheng
;
Shao, Min
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Tibet
Volatile organic compounds
Tracers
Sources
Regional transport
BLACK CARBON
NONMETHANE HYDROCARBONS
CENTRAL-HIMALAYAS
EMISSION INVENTORY
AIR-POLLUTION
TRACE GASES
RIVER DELTA
AMBIENT AIR
ICE CORE
PLATEAU
Particulate pollution in urban Chongqing of southwest China: Historical trends of variation, chemical characteristics and source apportionment
期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2017
Chen, Yuan
;
Xie, Shao-dong
;
Luo, Bin
;
Zhai, Chong-zhi
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
PM
Chemical composition
Source apportionment
Chongqing
POSITIVE MATRIX FACTORIZATION
AIR-POLLUTION
CARBONACEOUS AEROSOL
ELEMENTAL CARBON
SEASONAL TRENDS
TRACE-ELEMENTS
PM2.5 MASS
CITIES
EMISSIONS
EXPOSURE
Sources and spatial distribution of particulate polycyclic aromatic hydrocarbons in Shanghai, China
期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2017
Liu, Yue
;
Yan, Caiqing
;
Ding, Xiang
;
Wang, Xinming
;
Fu, Qingyan
;
Zhao, Qianbiao
;
Zhang, Yihua
;
Duan, Yusen
;
Qiu, Xinghua
;
Zheng, Mei
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
PAHs
Composition profile
Source
Spatial distribution
Shanghai
POSITIVE MATRIX FACTORIZATION
AIR-WATER EXCHANGE
DUTY DIESEL TRUCKS
SOURCE APPORTIONMENT
SOURCE IDENTIFICATION
COAL COMBUSTION
ATMOSPHERIC DEPOSITION
EMISSION INVENTORY
SEASONAL-VARIATION
URBAN-ENVIRONMENT
Seasonal variations in high time-resolved chemical compositions, sources, and evolution of atmospheric submicron aerosols in the megacity Beijing
期刊论文
ATMOSPHERIC CHEMISTRY AND PHYSICS, 2017
Hu, Wei
;
Hu, Min
;
Hu, Wei-Wei
;
Zheng, Jing
;
Chen, Chen
;
Wu, Yusheng
;
Guo, Song
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
SECONDARY ORGANIC AEROSOL
BIOMASS BURNING CONTRIBUTION
FINE-PARTICLE COMPOSITION
MASS-SPECTROMETRY
MEXICO-CITY
RURAL SITE
CARBONACEOUS AEROSOL
SOURCE APPORTIONMENT
HAZE FORMATION
UNITED-STATES
Characterization of non-methane hydrocarbons and their sources in an industrialized coastal city, Yangtze River Delta, China
期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2017
Mo, Ziwei
;
Shao, Min
;
Lu, Sihua
;
Niu, He
;
Zhou, Mengyi
;
Sun, Jin
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
NMHCs
PMF
Petrochemical industry
Source apportionment
Yangtze River Delta
VOLATILE ORGANIC-COMPOUNDS
POSITIVE MATRIX FACTORIZATION
CHEMICAL MASS-BALANCE
SOURCE APPORTIONMENT
COMPOUNDS VOCS
OZONE FORMATION
UNITED-STATES
AREA
POLLUTION
URBAN
Source apportionment and toxicity of atmospheric polycyclic aromatic hydrocarbons by PMF: Quantifying the influence of coal usage in Taiyuan, China
期刊论文
ATMOSPHERIC RESEARCH, 2017
Yan, Yulong
;
He, Qiusheng
;
Guo, Lili
;
Li, Hongyan
;
Zhang, Hefeng
;
Shao, Min
;
Wang, Yuhang
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
PAHs
Meteorological factors
Phase partitioning
Source apportionment
Coke processing
POSITIVE MATRIX FACTORIZATION
SEASONAL-VARIATION
ORGANIC-COMPOUNDS
SOUTH CHINA
PAHS
GAS
PM2.5
CITY
GUANGZHOU
WINTER
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
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