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科研机构
北京大学 [28]
内容类型
期刊论文 [26]
会议论文 [1]
其他 [1]
发表日期
2017 [2]
2016 [4]
2015 [2]
2014 [2]
2013 [3]
2012 [2]
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专题:北京大学
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基于BP神经网络的宁夏耕地资源动态变化及预测
期刊论文
湖南农业科学, 2017
李永梅
;
张立根
;
海云瑞
;
董越
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
耕地资源
BP神经网络
主成分分析
宁夏
cultivated land resource
BP neural network
principal component analysis
Ningxia
NUMERICAL INVESTIGATION OF STATOR CLOCKING EFFECTS ON THE DOWNSTREAM STATOR IN A 1.5-STAGE AXIAL TURBINE
会议论文
Zhu, Yalu
;
Luo, Jiaqi
;
Liu, Feng
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
TRANSONIC TURBINE
STAGE
SIMULATIONS
COMPRESSOR
FLOW
Earth's free oscillations excited by the 2011 Tohoku M-w 9.0 earthquake detected with a groundwater level array in mainland China
期刊论文
GEOPHYSICAL JOURNAL INTERNATIONAL, 2016
Yan, Rui
;
Woith, Heiko
;
Wang, Rongjiang
;
Zhang, Yong
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/04
Time-series analysis
Hydrogeophysics
Surface waves and free oscillations
Asia
SUMATRA-ANDAMAN EARTHQUAKE
BACKGROUND FREE OSCILLATIONS
LOCAL BAROMETRIC-PRESSURE
HARMONIC-ANALYSIS
NORMAL-MODES
OKI EARTHQUAKE
SEISMIC NOISE
1 MHZ
WAVES
RECORDS
Magnetic Ground States of the Rare-Earth Tripod Kagome Lattice Mg2RE3Sb3O14 (RE = Gd,Dy,Er)
期刊论文
PHYSICAL REVIEW LETTERS, 2016
Dun, Z. L.
;
Trinh, J.
;
Li, K.
;
Lee, M.
;
Chen, K. W.
;
Baumbach, R.
;
Hu, Y. F.
;
Wang, Y. X.
;
Choi, E. S.
;
Shastry, B. S.
;
Ramirez, A. P.
;
Zhou, H. D.
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
TRIANGULAR-LATTICE
FRUSTRATED MAGNETS
SPIN ICE
PYROCHLORE
PR
ND
ANTIFERROMAGNETS
FAMILY
ORDER
MODEL
Quad-Decomposition of Velocity Field in Spanwise-Rotating Turbulent Plane Couette Flows
期刊论文
INTERNATIONAL JOURNAL OF NONLINEAR SCIENCES AND NUMERICAL SIMULATION, 2016
Cai, Qingdong
;
Gai, Jie
;
Sun, Zhili
;
Xia, Zhen-hua
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
spanwise-rotating turbulent plane Couette flow
quad-decomposition
roll cells
secondary flows
SYSTEM ROTATION
An analysis of the structure of an n-dodecane spray flame using TPDF modelling
期刊论文
COMBUSTION AND FLAME, 2016
Pei, Yuanjiang
;
Hawkes, Evatt R.
;
Bolla, Michele
;
Kook, Sanghoon
;
Goldin, Graham M.
;
Yang, Yue
;
Pope, Stephen B.
;
Som, Sibendu
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/04
Spray A
Engine Combustion Network
Transported probability density function
Diesel
n-Dodecane
LARGE-EDDY SIMULATION
DIRECT NUMERICAL-SIMULATION
TURBULENCE-CHEMISTRY INTERACTION
DIFFERENT COMBUSTION VESSELS
IGNITION FRONT PROPAGATION
RAYLEIGH-LIF MEASUREMENTS
DIESEL-ENGINE CONDITIONS
SOURCE-TERM ESTIMATION
JET DIFFUSION FLAME
VITIATED CO-FLOW
OCCURRENCE RATES AND HEATING EFFECTS OF TANGENTIAL AND ROTATIONAL DISCONTINUITIES AS OBTAINED FROM THREE-DIMENSIONAL SIMULATION OF MAGNETOHYDRODYNAMIC TURBULENCE
期刊论文
ASTROPHYSICAL JOURNAL LETTERS, 2015
Zhang, Lei
;
He, Jiansen
;
Tu, Chuanyi
;
Yang, Liping
;
Wang, Xin
;
Marsch, Eckart
;
Wang, Linghua
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
magnetohydrodynamics (MHD)
methods: numerical
solar wind
SOLAR-WIND
MHD TURBULENCE
FLUCTUATIONS
PRESSURE
Water flooding performance prediction by multi-layer capacitance-resistive models combined with the ensemble Kalman filter
期刊论文
journal of petroleum science and engineering, 2015
Zhang, Zequn
;
Li, Heng
;
Zhang, Dongxiao
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/10
capacitance-resistive model
EnKF
cross flow
layered reservoir
water flooding
DATA ASSIMILATION
INTERWELL CONNECTIVITY
RATE FLUCTUATIONS
PARAMETERIZATION
FACIES
Constrained Large-Eddy Simulation of Compressible Flow Past a Circular Cylinder
期刊论文
communications in computational physics, 2014
Hong, Renkai
;
Xia, Zhenhua
;
Shi, Yipeng
;
Xiao, Zuoli
;
Chen, Shiyi
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/13
Compressible flow
constrained large-eddy simulation
circular cylinder
separated flow
TRANSONIC FLOW
TURBULENCE
MODELS
NUMBER
SEQUEL
SCHEME
Modeling radiation belt electron acceleration by ULF fastmode waves, launched by solar wind dynamic pressure fluctuations
期刊论文
journal of geophysical research space physics, 2014
Degeling, A. W.
;
Rankin, R.
;
Zong, Q.G.
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2015/11/11
radiation belts
ULF waves
magnetopause buffeting
adiabatic electron transport
MAGNETOSPHERE
MAGNETOPAUSE
IONOSPHERE
RESONANCES
TRANSPORT
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