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科研机构
北京大学 [100]
内容类型
期刊论文 [60]
其他 [37]
会议论文 [3]
发表日期
2017 [8]
2016 [11]
2015 [11]
2014 [8]
2013 [5]
2012 [14]
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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
Collecting Particulate Matter and Particle-Bound Polycyclic Aromatic Hydrocarbons Using a Cylindrical Thermal Precipitator
期刊论文
JOURNAL OF ENVIRONMENTAL ENGINEERING, 2017
Su, Shu
;
Wang, Bin
;
Lin, Nan
;
Zhuo, Shaojie
;
Liu, Junfeng
;
Wang, Xilong
;
Cheng, Hefa
;
Chen, Da-Ren
;
Zeng, Eddy Y.
;
Tao, Shu
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2017/12/03
Thermophoresis
Thermal precipitator
Particulate matter
Polycyclic aromatic hydrocarbon
Sampling
Collection efficiency
AIR-POLLUTION
THERMOPHORETIC PRECIPITATOR
NANOPARTICLE SAMPLER
SIZE FRACTIONS
IN-VITRO
CELLS
DEPOSITION
DESIGN
FINE
ULTRAFINE
虚源成像观测系统设计方法
期刊论文
石油学报, 2017
乔宝平
;
胡天跃
;
冯玮
;
曹成寅
;
潘自强
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
地震干涉
观测系统
固定相位
调谐采样
成像质量
seismic interferometry
observation system
stationary phase
tuning sampling
imaging quality
Central limit theorems for four new types of U-designs
其他
2017-01-01
Kong, Xiangshun
;
Ai, Mingyao
;
Mukerjee, Rahul
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Central limit theorem
correlation controlled U-design
nested U-design
sliced U-design
strong orthogonal array-based U-design
62K15
62K20
LATIN HYPERCUBE DESIGNS
ARRAY SAMPLING DESIGNS
SPACE-FILLING DESIGNS
COMPUTER EXPERIMENTS
ORTHOGONAL ARRAYS
UniWalk: Unidirectional Random Walk Based Scalable SimRank Computation over Large Graph
其他
2017-01-01
Luo, XiongCai
;
Gao, Jun
;
Zhou, Chang
;
Yu, Jeffrey Xu
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
Precise Composition Tailoring of Mixed-Cation Hybrid Perovskites for Efficient Solar Cells by Mixture Design Methods
期刊论文
ACS NANO, 2017
Li, Liang
;
Liu, Na
;
Xu, Ziqi
;
Chen, Qi
;
Wang, Xindong
;
Zhou, Huanping
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
mixture design
mixed cation
composition
perovskite solar cells
bandgap
structure
HALIDE PEROVSKITES
LEAD IODIDE
INORGANIC PEROVSKITE
SINGLE-CRYSTALS
PERFORMANCE
FORMAMIDINIUM
STABILIZATION
PHOTOVOLTAICS
TRIHALIDE
ABSORBER
Stand-alone differential capacitance force sensors with sub-nano-newton sensitivity
期刊论文
JOURNAL OF MICROMECHANICS AND MICROENGINEERING, 2017
Ye, Jilong
;
Sun, Taotao
;
Huang, Dong
;
Li, Zhihong
;
Lin, Li
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
capacitive force sensor
sub-nano-newton sensitivity
asymmetric differential structure
hydrophobization treatment
stand-alone device
DIAMAGNETIC LEVITATION
MICROSCOPY
CALIBRATION
CANTILEVERS
STRENGTH
SCHIZOPHRENIA AFFECTS SPEECH-INDUCED FUNCTIONAL CONNECTIVITY OF THE SUPERIOR TEMPORAL GYRUS UNDER COCKTAIL-PARTY LISTENING CONDITIONS
期刊论文
NEUROSCIENCE, 2017
Li, Juanhua
;
Wu, Chao
;
Zheng, Yingjun
;
Li, Ruikeng
;
Li, Xuanzi
;
She, Shenglin
;
Wu, Haibo
;
Peng, Hongjun
;
Ning, Yuping
;
Li, Liang
收藏
  |  
浏览/下载:12/0
  |  
提交时间:2017/12/03
schizophrenia
speech perception
precedence effect
functional connectivity
masking
superior temporal gyrus
PERCEIVED SPATIAL SEPARATION
EVENT-RELATED FMRI
INFORMATIONAL MASKING
CHINESE SPEECH
MASKED SPEECH
OLDER-ADULTS
PERCEPTION
RECOGNITION
CORTEX
INTEGRATION
旧城区居民出行问卷调查常见问题分析及技术创新--以北京市前门地区为例
期刊论文
北京大学学报 自然科学版, 2016
赵鹏军
;
冯筱
;
李圣晓
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/04
居民出行问卷调查
旧城区
问卷设计
制度障碍
抽样方法
前门地区
household travel survey
old town
survey design
institutional barriers
sampling method
Qianmen
An evaluation of hair-snaring devices for small-bodied carnivores in southwest China
期刊论文
JOURNAL OF MAMMALOGY, 2016
Bu, Hongliang
;
Hopkins, John B., III
;
Zhang, Dan
;
Li, Sheng
;
Wang, Rongjiang
;
Yao, Meng
;
Wang, Dajun
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
DNA
ground cubby
hair snare
lure stick
masked palm civet
mesocarnivore
Mustela sibirica
noninvasive
Paguma larvata
population monitoring
Siberian weasel
GENETIC SAMPLING METHODS
MARTES-MARTES
MIXING MODELS
FECAL DNA
POPULATION
SNARES
CONSERVATION
BIODIVERSITY
EFFICACY
MESOCARNIVORES
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