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科研机构
北京大学 [142]
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期刊论文 [142]
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2017 [11]
2016 [20]
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内容类型:期刊论文
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
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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
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
Noncontact Capacitive Sensing-Based Locomotion Transition Recognition for Amputees With Robotic Transtibial Prostheses
期刊论文
International Workshop on Wearable Robotics for Motion Assistance and Rehabilitation (RObOASSIST) in conjunction with the IEEE International Conference on Robotics and Automation (ICRA), 2017
Zheng, Enhao
;
Wang, Qining
收藏
  |  
浏览/下载:4/0
  |  
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
矿井提升机恒减速制动系统故障仿真分析
期刊论文
工矿自动化, 2017
李娟娟
;
胡亮
;
孟国营
;
谢广明
;
汪爱明
;
王帅
;
贾一凡
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
矿井提升机
恒减速制动系统
故障仿真
弹簧刚度
闸瓦摩擦因数
制动器泄漏
mine hoist
constant deceleration braking system
fault simulation
spring stiffness
friction factor of brake shoe
brake leakage
Efficient tree-structured SfM by RANSAC generalized Procrustes analysis
期刊论文
COMPUTER VISION AND IMAGE UNDERSTANDING, 2017
Chen, Yisong
;
Chan, Antoni B.
;
Lin, Zhouchen
;
Suzuki, Kenji
;
Wang, Guoping
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Structure-from-motion
ALGORITHMS
SETS
Similarity of Center of Pressure Progression during Walking and Jogging of Anterior Cruciate Ligament Deficient Patients
期刊论文
PLOS ONE, 2017
Huang, Hongshi
;
Qiu, Jianwei
;
Liu, Tianlin
;
Yu, Yuanyuan
;
Guo, Qinwei
;
Luo, Dingsheng
;
Ao, Yingfang
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
RECONSTRUCTED KNEES
KINEMATICS
GAIT
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