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科研机构
北京大学 [87]
内容类型
期刊论文 [60]
其他 [20]
会议论文 [7]
发表日期
2017 [7]
2016 [12]
2015 [10]
2014 [11]
2013 [7]
2012 [9]
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专题:北京大学
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Transmit Only: An Ultra Low Overhead MAC Protocol for Dense Wireless Systems
其他
2017-01-01
Firner, Bernhard
;
Zhang, Yanyong
;
Howard, Richard
;
Martin, Richard P.
;
Mandayam, Narayan
;
Fukuyama, Junichiro
;
Xu, Chenren
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Transmit-Only
Low Power
SENSOR NETWORKS
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
Ultralight and Flexible Polyurethane/Silver Nanowire Nanocomposites with Unidirectional Pores for Highly Effective Electromagnetic Shielding
期刊论文
ACS APPLIED MATERIALS & INTERFACES, 2017
Zeng, Zhihui
;
Chen, Mingji
;
Pei, Yongmao
;
Shahabadi, Seyed Ismail Seyed
;
Che, Boyang
;
Wang, Peiyu
;
Lu, Xuehong
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
electromagnetic interference shielding
nanocomposites
silver nanowires
porous
lightweight
WALLED CARBON NANOTUBES
FIBER-COMPOSITE FOAMS
FACILE PREPARATION
SILVER NANOWIRES
EPOXY COMPOSITES
STRESS TRANSFER
GRAPHENE FOAM
PERFORMANCE
LIGHTWEIGHT
EFFICIENCY
Eigenvalues analysis for EM waves in anisotropic materials and its applications for unidirectional transmission and unidirectional invisibility
期刊论文
OPTICS COMMUNICATIONS, 2017
Wu, Xiaohu
;
Jin, Can
;
Fu, Ceji
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Eigenvalues analysis
Unidirectional transmission
Unidirectional invisibility
ELECTROMAGNETIC PROPAGATION
LAYERED MEDIA
GRATINGS
IMPLEMENTATION
REFLECTION
REFRACTION
CRYSTALS
Unidirectional transmission based on polarization conversion and excitation of magnetic or surface polaritons
期刊论文
AIP ADVANCES, 2017
Wu, Xiaohu
;
Fu, Ceji
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
ONE-WAY TRANSMISSION
ASYMMETRIC TRANSMISSION
METALLIC GRATINGS
LIGHT
METAMATERIAL
FIELD
Experimental and theoretical studies on inter-fiber failure of unidirectional polymer-matrix composites under different strain rates
期刊论文
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES, 2017
Tao, Yong
;
Chen, Haosen
;
Yao, Kai
;
Lei, Hongshuai
;
Pei, Yongmao
;
Fang, Daining
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Polymer-matrix composites
Strain rate effect
Strength
Failure theory
FIBER-REINFORCED COMPOSITES
COMBINED TRANSVERSE COMPRESSION
AS4/PEEK COMPOSITE
COMPUTATIONAL MICROMECHANICS
GLASS/EPOXY COMPOSITES
INELASTIC BEHAVIOR
PART I
SHEAR
STRENGTH
DEFORMATION
Ultrabroadband and Wide-Angle Unidirectional Coupling of Surface Plasmons Based on Chirped-Nanoslits Grating
期刊论文
JOURNAL OF LIGHTWAVE TECHNOLOGY, 2017
Liu, Dalin
;
Sun, Lin
;
Lu, Fan
;
Xu, Anshi
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Diffraction gratings
integrated optics devices
surface plasmons
unidirectional coupler
EXCITATION
Anatomy of the Middle Devonian cladoxylopsid Panxia gabata Y. Wang et Berry from Yunnan Province, southwestern China
期刊论文
REVIEW OF PALAEOBOTANY AND PALYNOLOGY, 2016
Xue, Jinzhuang
;
Huang, Pu
;
Wang, Deming
;
Wang, Qi
;
Hao, Shougang
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
Middle Devonian
Fossil plant
South China
Euphyllophytes
Cladoxylopsids
Panxia
PSEUDOSPOROCHNUS-NODOSUS LECLERCQ
NEW-YORK-STATE
SOUTH CHINA
SP-NOV.
DENGLONGIA-HUBEIENSIS
PLANT
GEN.
BELGIUM
IRIDOPTERIDALES
EUPHYLLOPHYTE
A statistical study of plasmaspheric plumes and ionospheric outflows observed at the dayside magnetopause
期刊论文
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 2016
Lee, S. H.
;
Zhang, H.
;
Zong, Q.G.
;
Otto, A.
;
Reme, H.
;
Liebert, E.
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
plasmaspheric plume
ionospheric outflow
dayside magnetopause
statistical study
INTERPLANETARY MAGNETIC-FIELD
PITCH-ANGLE DISTRIBUTIONS
SOLAR MINIMUM CONDITIONS
IN-SITU OBSERVATIONS
ALTITUDE POLAR-CAP
ION OUTFLOW
ELECTRIC-FIELD
MAGNETOSPHERIC CONVECTION
EARTHS MAGNETOSPHERE
OUTER MAGNETOSPHERE
A reciprocating motion-driven rotation mechanism for the ATP synthase
期刊论文
SCIENCE CHINA-LIFE SCIENCES, 2016
Liu, Jiafeng
;
Fu, Xinmiao
;
Chang, Zengyi
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
ATP synthase
rotational catalysis
rotary model
INTERSUBUNIT ROTATION
GAMMA-SUBUNIT
ROTOR RING
F-ATPASE
RESOLUTION
MITOCHONDRIA
F-1-ATPASE
CATALYSIS
F1-ATPASE
MOLECULE
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