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科研机构
北京大学 [10]
内容类型
期刊论文 [10]
发表日期
2017 [1]
2016 [2]
2015 [2]
2008 [1]
2007 [1]
2005 [2]
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专题:北京大学
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Estimating relative contributions of primary and secondary sources of ambient nitrated and oxygenated polycyclic aromatic hydrocarbons
期刊论文
ATMOSPHERIC ENVIRONMENT, 2017
Zhuo, Shaojie
;
Du, Wei
;
Shen, Guofeng
;
Li, Bengang
;
Liu, Junfeng
;
Cheng, Hefa
;
Xing, Baoshan
;
Tao, Shu
收藏
  |  
浏览/下载:109/0
  |  
提交时间:2017/12/03
PAHs derivatives
Source apportionment
PCA-MLR
PMF
Megacity
Western YRD region
CANCER-RISK ASSESSMENT
SOURCE APPORTIONMENT
SIZE DISTRIBUTION
BOUND PAHS
PARTICULATE MATTER
SEASONAL-VARIATION
RECEPTOR MODELS
SUBURBAN SITES
NORTHERN CHINA
PARIS FRANCE
Pedigree-based analysis of derivation of genome segments of an elite rice reveals key regions during its breeding
期刊论文
PLANT BIOTECHNOLOGY JOURNAL, 2016
Zhou, Degui
;
Chen, Wei
;
Lin, Zechuan
;
Chen, Haodong
;
Wang, Chongrong
;
Li, Hong
;
Yu, Renbo
;
Zhang, Fengyun
;
Zhen, Gang
;
Yi, Junliang
;
Li, Kanghuo
;
Liu, Yaoguang
;
Terzaghi, William
;
Tang, Xiaoyan
;
He, Hang
;
Zhou, Shaochuan
;
Deng, Xing Wang
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
genetic improvement
resequencing
single nucleotide polymorphisms
pedigree
artificial selection
breeding
BLAST-RESISTANCE GENE
ORYZA-SATIVA L.
MARKER-ASSISTED SELECTION
DISEASE RESISTANCE
NUCLEOTIDE-BINDING
NATURAL VARIATION
DNA POLYMORPHISM
DRAFT SEQUENCE
HYBRID RICE
GRAIN-SIZE
A quantitative assessment of source contributions to fine particulate matter (PM2.5)-bound polycyclic aromatic hydrocarbons (PAHs) and their nitrated and hydroxylated derivatives in Hong Kong
期刊论文
ENVIRONMENTAL POLLUTION, 2016
Ma, Yiqiu
;
Cheng, Yubo
;
Qiu, Xinghua
;
Lin, Yan
;
Cao, Jing
;
Hu, Di
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/04
Hong Kong
PM2.5-bound PAHs and the derivatives
Regional transport
Source apportionment
Marine vessels
SOURCE APPORTIONMENT
SEASONAL-VARIATION
HUMAN HEALTH
SIZE DISTRIBUTION
OXYGENATED PAHS
SOUTHERN CHINA
CANCER-RISK
GUANGZHOU
PM2.5
PMF
Chemical characterization of size-resolved aerosols in four seasons and hazy days in the megacity Beijing of China
期刊论文
Journal of Environmental Sciences, 2015
Kang Sun
;
Xingang Liu
;
Jianwei Gu
;
Yunpeng Li
;
Yu Qu
;
Junling An
;
Jingli Wang
;
Yuanhang Zhang
;
Min Hu
;
Fang Zhang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Chemical components
Size resolved aerosols
Seasonal variation
Haze day
Beijing
ATMOSPHERIC PARTICULATE POLLUTANTS
SECONDARY FORMATION
IONIC COMPOSITIONS
OLYMPIC GAMES
AIR-POLLUTION
REGIONAL HAZE
PM2.5
MASS
DISTRIBUTIONS
PARTICLES
14-bit 20 mu W column-level two-step ADC for 640 x 512 IRFPA
期刊论文
ELECTRONICS LETTERS, 2015
Wang, Guannan
;
Lu, Wengao
;
Zhang, Luya
;
Zhang, Yacong
;
Chen, Zhongjian
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
focal planes
infrared detectors
analogue-digital conversion
IRFPA
column-level two-step ADC structure
16-column-shared flash ADC
staggered code
staggered correction
dynamic comparator
power dissipation
SAR conversion
cycle time
input voltage variation
charge redistribution structure
infrared focal-plane array
word length 14 bit
power 20 muW
word length 6 bit
power 0
386 muW
voltage 1
8 V
voltage 5 V
power 5
966 muW
size 0
18 mum
Size-segregated particulate chemical composition in Xinken, Pearl River Delta, China: OC/EC and organic compounds
期刊论文
大气环境, 2008
Gnauk, Thomas
;
Mueller, Konrad
;
van Pinxteren, Dominik
;
He, Ling-Yan
;
Niu, Yuwen
;
Hu, Min
;
Herrmann, Hartmut
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2015/11/12
particles
size-segregated chemical composition
OC/EC
dicarboxylic acids
alkanes
PAHs
POLYCYCLIC AROMATIC-HYDROCARBONS
DICARBOXYLIC-ACIDS
HONG-KONG
AMBIENT AIR
CARBONACEOUS AEROSOL
SOURCE APPORTIONMENT
SEASONAL-VARIATION
ELEMENTAL CARBON
CARBOXYLIC-ACIDS
PM2.5 AEROSOLS
Atmospheric polycyclic aromatic hydrocarbons in north China: A winter-time study
期刊论文
environmental science technology, 2007
Liu, Shuzhen
;
Tao, Shu
;
Liu, Wenxin
;
Liu, Yanan
;
Dou, Han
;
Zhao, Jingyu
;
Wang, Luguang
;
Wang, Jingfei
;
Tian, Zaifeng
;
Gao, Yuan
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/10
SIZE DISTRIBUTIONS
SEASONAL-VARIATION
ORGANIC-COMPOUNDS
SOURCE APPORTIONMENT
PARTICULATE MATTER
AIR-POLLUTION
LAKE-MICHIGAN
RURAL SITE
URBAN AIR
PARTICLE
Impact of meteorology and energy structure on solvent extractable organic compounds of PM2.5 in Beijing, China
期刊论文
chemosphere, 2005
Feng, JL
;
Chan, CK
;
Fang, M
;
Hu, M
;
He, LY
;
Tang, XY
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/12
aerosol
PM2.5
solvent extractable organic compound
GC-MS
Beijing
China
POLYCYCLIC AROMATIC-HYDROCARBONS
ATMOSPHERIC PARTICULATE POLLUTANTS
HONG-KONG
SIZE DISTRIBUTIONS
SEASONAL-VARIATION
MOLECULAR MARKER
NORTHERN CHINA
AIR-POLLUTION
UNITED-STATES
AMBIENT AIR
Density may alter diversity-productivity relationships in experimental plant communities
期刊论文
basic and applied ecology, 2005
He, JS
;
Wolfe-Bellin, KS
;
Schmid, B
;
Bazzaz, FA
收藏
  |  
浏览/下载:1/0
  |  
提交时间:2015/11/12
constant final yield
community biomass
community density
ecosystem functioning
evenness
plant functional groups
size variation
species richness
BIODIVERSITY EXPERIMENTS
GRASSLAND ECOSYSTEMS
EUROPEAN GRASSLANDS
SPECIES EVENNESS
ELEVATED CO2
CONSEQUENCES
COMPETITION
DEPENDENCE
SELECTION
FIELD
Seasonal variation of ionic species in fine particles at Qingdao, China
期刊论文
大气环境, 2002
Hu, M
;
He, LY
;
Zhang, YH
;
Wang, M
;
Kim, YP
;
Moon, KC
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/12
fine particles
water-soluble ions
sulfur dioxide
mass size distribution
seasonal variation
ATMOSPHERIC AEROSOLS
CHEJU ISLAND
NITRATE
KOREA
SULFATE
REGION
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