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科研机构
北京大学 [21]
内容类型
期刊论文 [17]
其他 [4]
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2017 [3]
2016 [3]
2014 [2]
2013 [4]
2011 [1]
2010 [1]
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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
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
Performance of laser sintered Ti-6Al-4V implants with bone-inspired porosity and micro/nanoscale surface roughness in the rabbit femur
期刊论文
BIOMEDICAL MATERIALS, 2017
Cohen, David J.
;
Cheng, Alice
;
Sahingur, Kaan
;
Clohessy, Ryan M.
;
Hopkins, Louis B.
;
Boyan, Barbara D.
;
Schwartz, Zvi
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
additive manufacturing
orthopaedic implants
dental implants
osseointegration
animal models
surface topography
OSTEOBLAST LINEAGE CELLS
TITANIUM IMPLANTS
UNITED-STATES
TOTAL HIP
IN-VITRO
OSSEOINTEGRATION
DIFFERENTIATION
WETTABILITY
REPLACEMENT
CONSTRUCTS
Estimation of Forest Topsoil Properties Using Airborne LiDAR-Derived Intensity and Topographic Factors
期刊论文
REMOTE SENSING, 2016
Li, Chao
;
Xu, Yanli
;
Liu, Zhaogang
;
Tao, Shengli
;
Li, Fengri
;
Fang, Jingyun
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/04
LiDAR
intensity
forest topsoil properties
multi-scale topographic factors
INFRARED REFLECTANCE SPECTROSCOPY
SOIL ORGANIC-CARBON
RADIOMETRIC CORRECTION
AGRICULTURAL SOILS
TERRAIN ATTRIBUTES
SPATIAL PREDICTION
CLASSIFICATION
INFORMATION
CALIBRATION
VARIABLES
Topographic roughness of the northern high latitudes of Mercury from MESSENGER Laser Altimeter data
期刊论文
GEOPHYSICAL RESEARCH LETTERS, 2016
Fa, Wenzhe
;
Cai, Yuzhen
;
Xiao, Zhiyong
;
Tian, Wei
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
KILOMETER-SCALE
IMPACT CRATERS
SMOOTH PLAINS
MOLA DATA
MARS
MOON
VOLCANISM
PAHOEHOE
AA
STRATIGRAPHY
Enhanced Osteoblast Response to Porosity and Resolution of Additively Manufactured Ti-6Al-4V Constructs with Trabeculae-Inspired Porosity
期刊论文
3D PRINTING AND ADDITIVE MANUFACTURING, 2016
Cheng, Alice
;
Humayun, Aiza
;
Boyan, Barbara D.
;
Schwartz, Zvi
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
POROUS TITANIUM IMPLANTS
SURFACE-TOPOGRAPHY
BONE-FORMATION
LINEAGE CELLS
FLUID-FLOW
OSSEOINTEGRATION
DIFFERENTIATION
BIOMATERIALS
REPLACEMENT
MATURATION
How does contemporary climate versus climate change velocity affect endemic plant species richness in China?
期刊论文
科学通报 英文版, 2014
Qiu, Chunjing
;
Shen, Zehao
;
Peng, Peihao
;
Mao, Lingfeng
;
Zhang, Xinshi
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2015/11/10
Species richness
Endemic plant
Climate change
Geographical pattern
Topography
Contemporary climate
China
SPATIAL AUTOCORRELATION
ISLAND BIOGEOGRAPHY
QUATERNARY CLIMATE
BIODIVERSITY
DISTRIBUTIONS
CONSERVATION
FLORA
PATTERNS
FUTURE
GYMNOSPERMS
Effectively picking weak seismic signal near the surface based on reverse virtual refraction interferometry
期刊论文
地球物理学报, 2014
Qiao Bao-Ping
;
Guo Ping
;
Wang Pu
;
Ru Tian-Yue
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2015/11/13
Seismic interferometry
Reverse virtual refraction
Stationary phase
Deconvolution
Circular polarization ratio characteristics of impact craters from Mini-RF observations and implications for ice detection at the polar regions of the Moon
期刊论文
journal of geophysical research planets, 2013
Fa, Wenzhe
;
Cai, Yuzhen
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2015/11/10
Moon
ice deposits
circular polarization ratio
surface slope
rocks
craters
LUNAR SOUTH-POLE
COHERENT-BACKSCATTER
70-CM WAVELENGTH
RADAR ECHOES
DEPOSITS
ARECIBO
MERCURY
SURFACE
IMAGES
WATER
Unusual domain configurations and local piezoresponse in the [720]-cut BaTiO3 single crystal
期刊论文
physica status solidi rapid research letters, 2013
Zeng, H. R.
;
Sun, F.
;
Zhao, K. Y.
;
Li, F. X.
;
Zhang, X. W.
;
Chu, R. Q.
;
Luo, H. S.
;
Li, G. R.
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/16
BaTiO3
ferroelectric domains
piezoelectricity
piezoresponse force microscopy
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