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科研机构
北京大学 [317]
内容类型
期刊论文 [264]
其他 [48]
会议论文 [5]
发表日期
2017 [19]
2016 [27]
2015 [28]
2014 [29]
2013 [15]
2012 [14]
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共317条,第1-10条
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专题:北京大学
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Effects of topography on structuring species assemblages in a subtropical forest
期刊论文
JOURNAL OF PLANT ECOLOGY, 2017
Wang, Qinggang
;
Punchi-Manage, Ruwan
;
Lu, Zhijun
;
Franklin, Scott B.
;
Wang, Zhiheng
;
Li, Yaoqi
;
Chi, Xiulian
;
Bao, Dachuan
;
Guo, Yili
;
Lu, Junmeng
;
Xu, Yaozhan
;
Qiao, Xiujuan
;
Jiang, Mingxi
收藏
  |  
浏览/下载:14/0
  |  
提交时间:2017/12/03
multivariate regression tree analysis
habitat filtering
rare species
Badagongshan
MULTIVARIATE REGRESSION TREES
LANKAN DIPTEROCARP FOREST
HABITAT ASSOCIATIONS
RAIN-FOREST
PLANT-COMMUNITIES
SPATIAL-PATTERNS
TROPICAL FOREST
BETA DIVERSITY
DISTRIBUTIONS
RARE
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
Retrieving the gap fraction, element clumping index, and leaf area index of individual trees using single-scan data from a terrestrial laser scanner
期刊论文
ISPRS JOURNAL OF PHOTOGRAMMETRY AND REMOTE SENSING, 2017
Li, Yumei
;
Guo, Qinghua
;
Su, Yanjun
;
Tao, Shengli
;
Zhao, Kaiguang
;
Xu, Guangcai
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
Destructive sample
Extinction coefficient
Single scanning
Terrestrial laser scanning
Riegl VZ-400
GROUND-BASED LIDAR
HEMISPHERICAL PHOTOGRAPHY
ANGLE DISTRIBUTION
FOREST STRUCTURE
PLANT CANOPIES
BOREAL FORESTS
STANDS
ARCHITECTURE
DERIVATION
DENSITY
Relic Oceanic Crust at Sub-Arc Depth: An Example from UHP Eclogites Enclosed in Serpentinites from the Southwestern Tianshan, China
期刊论文
ACTA GEOLOGICA SINICA-ENGLISH EDITION, 2017
Shen, Tingting
;
Zhang, Lifei
;
Hermann, Joerg
;
Liu, Fenglin
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
EXHUMATION
Mining parameter information for building extraction and change detection with very high-resolution imagery and GIS data
期刊论文
GISCIENCE & REMOTE SENSING, 2017
Guo, Zhou
;
Du, Shihong
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
parameter mining
GIS data
VHR imagery
building extraction
change detection
REMOTE-SENSING DATA
SCALE PARAMETER
IKONOS IMAGERY
SURFACE MODELS
CLASSIFICATION
SEGMENTATION
SELECTION
MULTIRESOLUTION
ATTRIBUTES
ALGORITHMS
Pore structure of transitional shales in the Ordos Basin, NW China: Effects of composition on gas storage capacity
期刊论文
FUEL, 2017
Xiong, Fengyang
;
Jiang, Zhenxue
;
Li, Peng
;
Wang, Xiangzeng
;
Bi, He
;
Li, Yirun
;
Wang, Ziyuan
;
Amooie, Mohammad Amin
;
Soltanian, Mohamad Reza
;
Moortgat, Joachim
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Shale gas
Transitional shales
Pore structure
Composition
Yanchang area
Ordos Basin
MISSISSIPPIAN BARNETT SHALE
FORT-WORTH BASIN
NORTHEASTERN BRITISH-COLUMBIA
LONGMAXI MARINE SHALE
ORGANIC-RICH SHALES
NORTH-CENTRAL TEXAS
METHANE ADSORPTION
SICHUAN BASIN
GEOLOGICAL CONTROLS
THERMAL MATURITY
Early Paleozoic granulite-facies metamorphism and anatexis in the northern West Qinling orogen: Monazite and zircon U-Pb geochronological constraints
期刊论文
SCIENCE CHINA-EARTH SCIENCES, 2017
Mao XiaoHong
;
Zhang JianXin
;
Yu ShengYao
;
Li YunShuai
;
Yu XingXing
;
Lu ZengLong
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
West Qinling
Granulite
Migmatite
U-Pb age dating
Metamorphism
Early Paleozoic
LA-ICP-MS
PLASMA-MASS SPECTROMETRY
ULTRAHIGH-TEMPERATURE METAMORPHISM
SOUTH CHINA BLOCKS
TECTONIC EVOLUTION
PHASE-EQUILIBRIA
DEEP SUBDUCTION
TONGBAI OROGEN
GEOLOGICAL SIGNIFICANCE
CONTINENTAL COLLISION
A Facile All-Solution-Processed Surface with High Water Contact Angle and High Water Adhesive Force
期刊论文
ACS APPLIED MATERIALS & INTERFACES, 2017
Chen, Mei
;
Hu, Wei
;
Liang, Xiao
;
Zou, Cheng
;
Li, Fasheng
;
Zhang, Lanying
;
Chen, Feiwu
;
Yang, Huai
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
polymerization-induced phase separation
epoxy microspheres
hierarchical structures
high apparent contact angle
high water adhesive force
DISPERSED LIQUID-CRYSTALS
INDUCED PHASE-SEPARATION
SOLUTION-IMMERSION PROCESS
SUPERHYDROPHOBIC SURFACES
ELECTROOPTICAL PROPERTIES
OXIDE SURFACES
SINGLE-PHASE
POLYMER
FILMS
FABRICATION
Facile sol-gel method combined with chemical vapor deposition for mesoporous few-layer carbon
期刊论文
CARBON, 2017
Qian, Meng
;
Xu, Feng
;
Bi, Hui
;
Lin, Tianquan
;
Huang, Fuqiang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
ALUMINUM-OXIDE FILM
ACTIVATED CARBON
ANODE MATERIAL
GRAPHENE
SUPERCAPACITORS
CAPACITANCE
ENERGY
TUBES
Fast analysis of glycosides based on HKUST-1-coated monolith solid-phase microextraction and direct analysis in real-time mass spectrometry
期刊论文
JOURNAL OF SEPARATION SCIENCE, 2017
Li, Xianjiang
;
Wang, Xin
;
Ma, Wen
;
Ai, Wanpeng
;
Bai, Yu
;
Ding, Li
;
Liu, Huwei
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
direct analysis in real time
glycosides
monoliths
solid-phase microextraction
METAL-ORGANIC FRAMEWORK
PERFORMANCE LIQUID-CHROMATOGRAPHY
SHELL MAGNETIC MICROSPHERES
IMIDAZOLATE FRAMEWORK-8
EFFICIENT ENRICHMENT
ENVIRONMENTAL WATER
TOBACCO-LEAVES
DART-MS
DIP-IT
EXTRACTION
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