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科研机构
北京大学 [338]
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期刊论文 [338]
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2017 [22]
2016 [37]
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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
  |  
浏览/下载:111/0
  |  
提交时间:2017/12/03
big data
check-in activities
spatiotemporal structure
Beijing
Meridional movement of northern and southern equatorial ionization anomaly crests in the East-Asian sector during 2002–2003 SSW
期刊论文
Science China. Earth Sciences, 2017
Mo Xiaohua
;
Zhang Donghe
;
Goncharenko Larisa
;
Zhang Shunrong
;
Hao Yongqiang
;
Xiao Zuo
;
Pei Jiazheng
;
Yoshikawa Akimasa
;
Chau Haduyen
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Equatorial ionization anomaly
Sudden stratospheric warming
Ionosphere
Surge-like Oscillations above Sunspot Light Bridges Driven by Magnetoacoustic Shocks
期刊论文
ASTROPHYSICAL JOURNAL, 2017
Zhang, Jingwen
;
Tian, Hui
;
He, Jiansen
;
Wang, Linghua
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  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
line: profiles
Sun: chromosphere
Sun: oscillations
sunspots
Sun: transition region
REGION-IMAGING-SPECTROGRAPH
HIGH-RESOLUTION OBSERVATIONS
TRANSITION-REGION
PLASMA EJECTIONS
MAGNETIC-FIELDS
DYNAMIC FIBRILS
FLUX EMERGENCE
UMBRAL FLASHES
WAVES
PROPAGATION
Gold nanoshell arrays-based visualized sensors of pH: Facile fabrication and high diffraction intensity
期刊论文
JOURNAL OF MATERIALS RESEARCH, 2017
Men, D. D.
;
Zhou, F.
;
Li, H. L.
;
Hang, L. F.
;
Li, X. Y.
;
Liu, D. L.
;
Cai, W. P.
;
Qi, L. M.
;
Li, L. B.
;
Li, Y.
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
2D colloidal crystal
Au nanoshell
hydrogel
diffraction intensity
visualized sensor
PHOTONIC CRYSTAL HYDROGEL
PERIODIC MICRO/NANOSTRUCTURED ARRAYS
INVERSE-OPAL HYDROGELS
COLLOIDAL CRYSTALS
IONIC-STRENGTH
GLUCOSE SENSOR
SENSING MOTIF
TEMPLATES
FILM
Odd Even Effect of Thiophene Chain Lengths on Excited State Properties in Oligo(thienyl ethynylene)-Cored Chromophores
期刊论文
JOURNAL OF PHYSICAL CHEMISTRY C, 2017
Wang, Xian
;
He, Guiying
;
Li, Yang
;
Kuang, Zhuoran
;
Guo, Qianjin
;
Wang, Jin-Liang
;
Pei, Jian
;
Xia, Andong
收藏
  |  
浏览/下载:101/0
  |  
提交时间:2017/12/03
INTRAMOLECULAR CHARGE-TRANSFER
POLARIZABLE CONTINUUM MODEL
PHOTOPHYSICAL PROPERTIES
SOLVATION DYNAMICS
FEMTOSECOND SPECTROSCOPY
CONJUGATED POLYMERS
MOLECULAR-OXYGEN
SINGLET-STATE
SOLAR-CELLS
FLUORESCENCE
Metallacyclopentadienes: synthesis, structure and reactivity
期刊论文
CHEMICAL SOCIETY REVIEWS, 2017
Ma, Wangyang
;
Yu, Chao
;
Chen, Tianyang
;
Xu, Ling
;
Zhang, Wen-Xiong
;
Xi, Zhenfeng
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  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
CARBON BOND-CLEAVAGE
C-C BOND
SUBSTITUTED FERRACYCLOPENTADIENE COMPLEXES
MEDIATED CYCLOADDITION REACTIONS
RUTHENIUM PENTAHYDRIDE COMPLEX
GROUP-4 METALLOCENE COMPLEXES
TRANSITION-METAL-COMPLEXES
RAY CRYSTAL-STRUCTURE
MAIN-GROUP ELEMENTS
MOLECULAR-STRUCTURE
Combining the spin-separated exact two-component relativistic Hamiltonian with the equation-of-motion coupled-cluster method for the treatment of spin-orbit splittings of light and heavy elements
期刊论文
PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2017
Cao, Zhanli
;
Li, Zhendong
;
Wang, Fan
;
Liu, Wenjian
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
MOLECULAR QUANTUM-MECHANICS
ANO BASIS-SETS
CONFIGURATION-INTERACTION
WAVE-FUNCTIONS
FOCK-SPACE
PROGRAM PACKAGE
SHELL SYSTEMS
DENSITY
STATES
CHEMISTRY
元素周期表——填满118个元素之后
期刊论文
中国科技术语, 2017
王颖霞
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
元素周期表
超重元素
原子核
杭州萧山区饮用水源地铁污染评价及控制对策研究
期刊论文
中国环境监测, 2017
何静林
;
温东辉
;
高波
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
饮用水源
铁污染
控制对策
drinking water source
iron contamination
control countermeasures
Simultaneous dynamic R-2 R2' and R2*measurement using periodic pulse shifting multiecho asymmetric spin echo sequence moving estimation strategy: A feasibility study for lower extremity muscle
期刊论文
MAGNETIC RESONANCE IN MEDICINE, 2017
Wang, Chengyan
;
Zhang, Rui
;
Zhang, Xiaodong
;
Wang, He
;
Zhao, Kai
;
Jin, Lixin
;
Zhang, Jue
;
Wang, Xiaoying
;
Fang, Jing
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
periodic pulse shifting
moving estimation
dynamic imaging
skeletal muscle
BLOOD-OXYGEN LEVEL
SKELETAL-MUSCLE
REACTIVE HYPEREMIA
CALF MUSCLES
MRI METHOD
BOLD MRI
PERFUSION
BRAIN
CONTRACTIONS
SATURATION
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