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科研机构
北京大学 [542]
内容类型
期刊论文 [345]
其他 [169]
会议论文 [28]
发表日期
2017 [47]
2016 [60]
2015 [67]
2014 [49]
2013 [47]
2012 [38]
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专题:北京大学
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Evaluation of passive sampling of gaseous mercury using different sorbing materials
期刊论文
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, 2017
Lin, Huiming
;
Zhang, Wei
;
Deng, Chunyan
;
Tong, Yingdong
;
Zhang, Qianggong
;
Wang, Xuejun
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
Passive sampler
Gaseous mercury
Sampling rate
Sorbing material
Uptake curve
PERSISTENT ORGANIC POLLUTANTS
IMPREGNATED ACTIVATED CARBON
ATMOSPHERIC MERCURY
ELEMENTAL MERCURY
METEOROLOGICAL FACTORS
DRY DEPOSITION
AIR SAMPLERS
AMBIENT AIR
ADSORPTION
CHINA
Synthesis of Fe3O4@m-SiO2/PSA@Zr-MOF Nanocomposites for Bifenthrin Determination in Water Samples
期刊论文
CHROMATOGRAPHIA, 2017
Xu, Mei
;
Chen, Kun
;
Luo, Chen
;
Song, Guoxin
;
Hu, Yaoming
;
Cheng, Hefa
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
GC-MS
Bifenthrin
Nanocomposites
Magnetic solid-phase extraction
Water samples
SOLID-PHASE EXTRACTION
PERFORMANCE LIQUID-CHROMATOGRAPHY
ENVIRONMENTAL WATER
PHTHALATE-ESTERS
MAGNETIC NANOPARTICLES
GRAPHENE
PESTICIDES
POLLUTANTS
RESIDUES
MICROSPHERES
Prototyping of LAI and FPAR Retrievals from MODIS Multi-Angle Implementation of Atmospheric Correction (MAIAC) Data
期刊论文
REMOTE SENSING, 2017
Chen, Chi
;
Knyazikhin, Yuri
;
Park, Taejin
;
Yan, Kai
;
Lyapustin, Alexei
;
Wang, Yujie
;
Yang, Bin
;
Myneni, Ranga B.
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
MAIAC
MODIS
leaf area index (LAI)
fraction of photosynthetically active radiation (FPAR)
radiative transfer
LEAF-AREA INDEX
PART 1
SURFACE REFLECTANCE
VEGETATION
PRODUCTS
ALGORITHM
FRACTION
TERRA
VALIDATION
AMAZON
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
Crystallographic Characteristics of Hydroxylapatite in Hard Tissues of Cololabis saira
期刊论文
CRYSTALS, 2017
Wang, Hejing
;
Yuan, Lei
;
An, Jiali
收藏
  |  
浏览/下载:56/0
  |  
提交时间:2017/12/03
Cololabis saira
hydroxylapatite
crystallinity
preferring orientation
X-ray micro diffraction
biological control
mechanical performance
X-RAY MICRODIFFRACTION
MECHANICAL-PROPERTIES
TOOTH ENAMEL
FISH SCALES
HYDROXYAPATITE
WATER
BONE
OTOLITHS
APATITES
OH
Differences in estimating terrestrial water flux from three satellite-based Priestley-Taylor algorithms
期刊论文
INTERNATIONAL JOURNAL OF APPLIED EARTH OBSERVATION AND GEOINFORMATION, 2017
Yao, Yunjun
;
Liang, Shunlin
;
Yu, Jian
;
Zhao, Shaohua
;
Lin, Yi
;
Jia, Kun
;
Zhang, Xiaotong
;
Cheng, Jie
;
Xie, Xianhong
;
Sun, Liang
;
Wang, Xuanyu
;
Zhang, Lilin
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Latent heat of evaporation
Priestley-Taylor algorithm
Vegetation index
Water constraints
LATENT-HEAT FLUX
LAND-SURFACE EVAPORATION
ENERGY-BALANCE CLOSURE
EDDY-COVARIANCE
EVAPOTRANSPIRATION ALGORITHM
CARBON-DIOXIDE
IN-SITU
MODIS
MODELS
CHINA
Learning With Auxiliary Less-Noisy Labels
其他
2017-01-01
Duan, Yunyan
;
Wu, Ou
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Maximum likelihood approach
noisy degrees
noisy labels
soft constraints
Developing a Logarithmic Chinese Reading Acuity Chart
期刊论文
OPTOMETRY AND VISION SCIENCE, 2017
Han, Qi-Ming
;
Cong, Lin-Juan
;
Yu, Cong
;
Liu, Lei
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
C-READ
reading acuity chart
simplified Chinese
LOW-VISION
PERFORMANCE
SPEED
VALIDATION
PSYCHOPHYSICS
RELIABILITY
PREDICTORS
SENTENCES
VERSION
TEXTS
Drift tube ion mobility and four-dimensional molecular feature extraction enable data-independent tandem mass spectrometric 'omics' analysis without quadrupole selection
期刊论文
RAPID COMMUNICATIONS IN MASS SPECTROMETRY, 2017
Ma, Xin
;
Liu, Jing
;
Zhang, Zhengxiang
;
Bo, Tao
;
Bai, Yu
;
Liu, Huwei
收藏
  |  
浏览/下载:100/0
  |  
提交时间:2017/12/03
Ion mobility,MS/MS,data-independent,molecular feature extraction,omics
COLLISION CROSS-SECTIONS
PARAMETERS
PROTEOMICS
INSTRUMENTATION
MS
Selenium doping NaCl-type superconductor: SnAs1-xSex (x=0-0.13)
期刊论文
JOURNAL OF SOLID STATE CHEMISTRY, 2017
He, Jianqiao
;
Zhang, Xian
;
Lai, Xiaofang
;
Huang, Fuqiang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
SnAs1-xSex
Superconductivity
Compressive strain
HIGH-PRESSURE
TEMPERATURE
SNAS
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