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科研机构
北京大学 [1540]
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期刊论文 [1420]
其他 [100]
会议论文 [20]
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2017 [206]
2016 [255]
2015 [201]
2014 [176]
2013 [152]
2012 [107]
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专题:北京大学
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An Improved Estimation of Regional Fractional Woody/Herbaceous Cover Using Combined Satellite Data and High-Quality Training Samples
期刊论文
REMOTE SENSING, 2017
Liu, Xu
;
Liu, Hongyan
;
Qiu, Shuang
;
Wu, Xiuchen
;
Tian, Yuhong
;
Hao, Qian
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
vegetation fractional cover
semi-arid area
MODIS
satellite data integration
spatial sampling design
image classification
Random Forest regression
model performance evaluation
LAND-COVER
INNER-MONGOLIA
MODIS DATA
VEGETATION
SURFACE
STEPPE
FOREST
COEXISTENCE
TOPOGRAPHY
TRANSITION
Recent Development in Sample Preparation and Analytical Techniques for Determination of Quinolone Residues in Food Products
期刊论文
CRITICAL REVIEWS IN ANALYTICAL CHEMISTRY, 2017
Zhang, Zhichao
;
Cheng, Hefa
收藏
  |  
浏览/下载:114/0
  |  
提交时间:2017/12/03
Biosensor
food products
immunoassay
liquid chromatography-mass spectrometry (LC-MS)
quinolones
quick, easy, cheap, effective, rugged, and safe (QuEChERS) method
TANDEM MASS-SPECTROMETRY
PERFORMANCE LIQUID-CHROMATOGRAPHY
SOLID-PHASE EXTRACTION
LINKED-IMMUNOSORBENT-ASSAY
LASER-INDUCED FLUORESCENCE
VETERINARY DRUG RESIDUES
FLUOROQUINOLONE ANTIBACTERIAL AGENTS
MOLECULARLY IMPRINTED POLYMERS
ENVIRONMENTAL WATER SAMPLES
INDIRECT COMPETITIVE ELISA
基于数据非依赖型采集质谱技术的血液脂质分子高通量分析
期刊论文
生态毒理学报, 2017
李文娟
;
万袆
;
李桐
;
高世雄
;
胡建英
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
脂质代谢组学 DDA DIA UPLC-QTOF MS 超高效液相色谱飞行时间质谱联用 lipidomics DDA DIA UPLC-QTOF MS ultra-high performance liquid chromatography quadrupole time-of-flight mass spectrometry
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
Effects of canyon geometry on the distribution of traffic-related air pollution in a large urban area: Implications of a multi-canyon air pollution dispersion model
期刊论文
ATMOSPHERIC ENVIRONMENT, 2017
Fu, Xiangwen
;
Liu, Junfeng
;
Ban-Weiss, George A.
;
Zhang, Jiachen
;
Huang, Xin
;
Ouyang, Bin
;
Popoola, Olalekan
;
Tao, Shu
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
Street canyon
Canyon geometry
Traffic pollutant
Urban air pollution
LARGE-EDDY SIMULATION
STREET CANYONS
PERFORMANCE EVALUATION
STRATEGIC GUIDELINES
FLOW
QUALITY
WIND
CFD
NETWORK
FIELD
对我国地质调查可持续发展政策体系的思考
期刊论文
中国矿业, 2017
张润丽
;
王文
;
姚震
;
王琳
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
地质调查
可持续发展
政策体系
绩效管理
geological survey
sustainable development
policy system
performance management
Open data and digital morphology
期刊论文
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES, 2017
Davies, Thomas G.
;
Rahman, Imran A.
;
Lautenschlager, Stephan
;
Cunningham, John A.
;
Asher, Robert J.
;
Barrett, Paul M.
;
Bates, Karl T.
;
Bengtson, Stefan
;
Benson, Roger B. J.
;
Boyer, Doug M.
;
Braga, Jose
;
Bright, Jen A.
;
Claessens, Leon P. A. M.
;
Cox, Philip G.
;
Dong, Xi-Ping
;
Evans, Alistair R.
;
Falkingham, Peter L.
;
Friedman, Matt
;
Garwood, Russell J.
;
Goswami, Anjali
;
Hutchinson, John R.
;
Jeffery, Nathan S.
;
Johanson, Zerina
;
Lebrun, Renaud
;
Martinez-Perez, Carlos
;
Marugan-Lobon, Jesus
;
O&apos
;
Metscher, Brian
;
Orliac, Ma
;
Higgins, Paul M.
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
digital data
three-dimensional models
phenotype
computed tomography
visualization
functional analysis
TOMOGRAPHIC MICROSCOPY
VISUALIZATION
PALEONTOLOGY
PERFORMANCE
EVOLUTION
DYNAMICS
FOSSILS
TISSUES
Enhanced photocurrent production by the synergy of hematite nanowire-arrayed photoanode and bioengineered Shewanella oneidensis MR-1
期刊论文
BIOSENSORS & BIOELECTRONICS, 2017
Zhu, Gaolong
;
Yang, Yun
;
Liu, Juan
;
Liu, Feng
;
Lu, Anhuai
;
He, Weidong
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Solar-assisted microbial photoelectrochemical system
Hematite nanowire-arrayed photoelectrode
Bio-engineered Shewanella oneidensis MR-1
Light-to-electricity conversion
Bioelectron supply
MICROBIAL FUEL-CELLS
EXTRACELLULAR ELECTRON-TRANSFER
MEMBRANE CYTOCHROME OMCA
PERFORMANCE
BACTERIA
ENERGY
MICROORGANISMS
CHALLENGES
MECHANISM
MINERALS
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
The indirect and direct pathways between physical fitness and academic achievement on commencement in post-compulsory education in a historical cohort of Danish school youth
其他
2017-01-01
Andersen, Mikkel Porsborg
;
Starkof, Liis
;
Sessa, Maurizio
;
Mortensen, Rikke Normark
;
Vardinghus-Nielsen, Henrik
;
Boggild, Henrik
;
Lange, Theis
;
Torp-Pedersen, Christian
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
Physical fitness
Academic achievement
Post-compulsory education
Scholastic abilities
Causal inference
Mediation analysis
CIVIL REGISTRATION SYSTEM
AEROBIC FITNESS
PREADOLESCENT CHILDREN
ELEMENTARY-SCHOOL
SELF-ESTEEM
EXERCISE
HEALTH
ASSOCIATION
PERFORMANCE
CHILDHOOD
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