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科研机构
北京大学 [216]
内容类型
期刊论文 [142]
其他 [53]
会议论文 [21]
发表日期
2017 [16]
2016 [23]
2015 [21]
2014 [9]
2013 [10]
2012 [16]
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专题:北京大学
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Spatiotemporal Structure Features of Network Check-in Activities of Urban Residents and Their Impacting Factors: A Case Study in Six Urban Districts of Beijing
期刊论文
JOURNAL OF ASIAN ARCHITECTURE AND BUILDING ENGINEERING, 2017
Dai, Linlin
;
Xue, Tao
;
Wu, Bihu
;
Rong, Xiao
;
Xu, Bixia
收藏
  |  
浏览/下载:111/0
  |  
提交时间:2017/12/03
big data
check-in activities
spatiotemporal structure
Beijing
Dynamics of Subarcsecond Bright Dots in the Transition Region above Sunspots and Their Relation to Penumbral Micro-jets
期刊论文
ASTROPHYSICAL JOURNAL LETTERS, 2017
Samanta, Tanmoy
;
Tian, Hui
;
Banerjee, Dipankar
;
Schanche, Nicole
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Sun: corona
Sun: magnetic fields
Sun: oscillations
Sun: transition region
Sun: UV radiation
HI-C
IMAGING-SPECTROGRAPH
Large southward motion and clockwise rotation of Indochina throughout the Mesozoic: Paleomagnetic and detrital zircon U-Pb geochronological constraints
期刊论文
EARTH AND PLANETARY SCIENCE LETTERS, 2017
Yan, Yonggang
;
Huang, Baochun
;
Zhao, Jie
;
Zhang, Donghai
;
Liu, Xiaohui
;
Charusiri, Punya
;
Veeravinantanakul, Apivut
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
paleomagnetism
U-Pb geochronology
Indochina
Mesozoic
Tectonics
POLAR WANDER PATH
SONGPAN-GANZI COMPLEX
RIVER SHEAR ZONE
TECTONIC IMPLICATIONS
NORTHERN THAILAND
KHORAT GROUP
FOLD TEST
SE ASIA
GEOLOGICAL EVOLUTION
INDOSINIAN OROGENY
A statistical study of kinetic-size magnetic holes in turbulent magnetosheath: MMS observations
期刊论文
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 2017
Huang, S. Y.
;
Du, J. W.
;
Sahraoui, F.
;
Yuan, Z. G.
;
He, J. S.
;
Zhao, J. S.
;
Le Contel, O.
;
Breuillard, H.
;
Wang, D. D.
;
Yu, X. D.
;
Deng, X. H.
;
Fu, H. S.
;
Zhou, M.
;
Pollock, C. J.
;
Torbert, R. B.
;
Russell, C. T.
;
Burch, J. L.
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
kinetic-size magnetic hole
electron vortex
mangetosheath
turbulent plasma
electron acceleration
heating
PLASMA SHEET
TERRESTRIAL MAGNETOSHEATH
MAGNETOSPHERIC MULTISCALE
MIRROR INSTABILITY
WAVES
CLUSTER
Near-Atomic Resolution Structure Determination in Over-Focus with Volta Phase Plate by Cs-Corrected Cryo-EM
期刊论文
STRUCTURE, 2017
Fan, Xiao
;
Zhao, Lingyun
;
Liu, Chuan
;
Zhang, Jin-Can
;
Fan, Kelong
;
Yan, Xiyun
;
Peng, Hai-Lin
;
Lei, Jianlin
;
Wang, Hong-Wei
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
CONTRAST CRYOELECTRON TOMOGRAPHY
TRANSMISSION ELECTRON-MICROSCOPY
BEAM-INDUCED MOTION
PROTEIN COMPLEX
H-FERRITIN
VISUALIZATION
NANOPARTICLES
MICROGRAPHS
DETECTORS
RIBOSOME
Compact Deep Invariant Descriptors for Video Retrieval
其他
2017-01-01
Lou, Yihang
;
Bai, Yan
;
Lin, Jie
;
Wang, Shiqi
;
Chen, Jie
;
Chandrasekhar, Vijay
;
Duan, Ling-Yu
;
Huang, Tiejun
;
Kot, Alex Chichung
;
Gao, Wen
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
BIOINSPIRED MICROPOROUS ELASTOMER WITH ENHANCED AND TUNABLE STRETCHABILITY FOR STRAIN SENSING DEVICE
其他
2017-01-01
Su, Zongming
;
Chen, Xuexian
;
Chen, Haotian
;
Song, Yu
;
Cheng, Xiaoliang
;
Meng, Bo
;
Song, Zijian
;
Zhang, Haixia
收藏
  |  
浏览/下载:29/0
  |  
提交时间:2017/12/03
CONDUCTORS
DESIGN
SKIN
FitBeat: A Lightweight System for Accurate Heart Rate Measurement during Exercise
其他
2017-01-01
Tu, Linlin
;
Huang, Jun
;
Bi, Chongguang
;
Xing, Guoliang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
MOTION ARTIFACT
SENSORS
SIGNALS
Noncontact Capacitive Sensing-Based Locomotion Transition Recognition for Amputees With Robotic Transtibial Prostheses
会议论文
Zheng, Enhao
;
Wang, Qining
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Capacitive sensing
locomotion transition recognition
robotic prosthesis
transtibial amputees
ANKLE-FOOT PROSTHESIS
LOWER-LIMB PROSTHESIS
INTENT RECOGNITION
DESIGN
WALKING
ALGORITHMS
SYSTEM
MODES
GAITS
Loading history dependence of retardation time of calcium-silicate-hydrate
期刊论文
CONSTRUCTION AND BUILDING MATERIALS, 2017
Chen, Jian-Kang
;
Qian, Chen
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Calcium-silicate-hydrate (C-S-H)
Creep
Nanoindentation
Retardation time
Loading rate
Power law
C-S-H
CEMENT-BASED MATERIALS
CREEP-PROPERTIES
NANOINDENTATION
CONCRETE
ELASTICITY
POROSITY
SURFACE
PASTE
GEL
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