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科研机构
北京大学 [40]
内容类型
期刊论文 [24]
其他 [13]
会议论文 [3]
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2017 [3]
2016 [5]
2015 [3]
2014 [1]
2013 [7]
2012 [3]
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专题:北京大学
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Estimating structural parameters of agricultural crops from ground-based multi-angular digital images with a fractional model of sun and shade components
期刊论文
AGRICULTURAL AND FOREST METEOROLOGY, 2017
Mu, Xihan
;
Hu, Ronghai
;
Zeng, Yelu
;
McVicar, Tim R.
;
Ren, Huazhong
;
Song, Wanjuan
;
Wang, Yuanyuan
;
Casa, Raffaele
;
Qi, Jianbo
;
Xie, Donghui
;
Yan, Guangjian
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Leaf area index
Leaf angle distribution
Bidirectional gap fraction
Sun and shade leaves and soil
Field measurement
Canopy reflectance
LEAF-AREA INDEX
DIRECTIONAL BRIGHTNESS TEMPERATURE
SIZE ANALYSIS THEORY
VEGETATION COVER
HEMISPHERICAL PHOTOGRAPHY
PLANT CANOPIES
ROW CROPS
EXTINCTION COEFFICIENT
BROADLEAF CANOPIES
ANGLE DISTRIBUTION
岩石力学参数标定系统关键技术研究
期刊论文
地学前缘, 2017
刘振
;
吴耕宇
;
潘懋
;
郝红瑞
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
岩石力学参数
常规测井
标定
建模精度
数据分块
rock mechanics parameters
conventional logging
calibration
modeling accuracy
data block
Artificial Neural Network Modeling and Genetic Algorithm Optimization for Cadmium Removal from Aqueous Solutions by Reduced Graphene Oxide-Supported Nanoscale Zero-Valent Iron (nZVI/rGO) Composites
期刊论文
MATERIALS, 2017
Fan, Mingyi
;
Li, Tongjun
;
Hu, Jiwei
;
Cao, Rensheng
;
Wei, Xionghui
;
Shi, Xuedan
;
Ruan, Wenqian
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
nZVI/rGO composites
Cd(II)
removal
artificial neural network
genetic algorithm
RESPONSE-SURFACE METHODOLOGY
WASTE-WATER
ZEROVALENT IRON
NITRATE REMOVAL
ANN-GA
PROCESS PARAMETERS
ACTIVATED CARBON
HEAVY-METALS
ADSORPTION
EQUILIBRIUM
3D integrated representation model and visualization based on the global discrete voxel-GeoSOT3D
其他
2016-01-01
Sun, Zhongqiu
;
Cheng, Chengqi
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
Concurrent Algorithms in SPIN Model Checker
其他
2016-01-01
Nawaz, M. Saqib
;
Ali, Hussam
;
Lali, M. IkramUllah
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
Bakery algorithm
Dekker algorithm
SPIN
LTL
PROMELA
Liveness
Safety
Robust modeling using non-elliptically contoured multivariate t distributions
其他
2016-01-01
Jiang, Zhichao
;
Ding, Peng
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Sample selection
Heavy-tailedness
Heckman selection model
Robit model
Linear mixed-effects model
Data augmentation
Parameter expansion
BINARY REGRESSION-MODEL
DATA AUGMENTATION
BAYESIAN-ANALYSIS
EFFICIENT ESTIMATION
PARAMETER EXPANSION
ALGORITHMS
MARGINALS
INFERENCE
FREEDOM
ERROR
Multiple-response Bayesian calibration of watershed water quality models with significant input and model structure errors
期刊论文
ADVANCES IN WATER RESOURCES, 2016
Han, Feng
;
Zheng, Yi
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  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Water quality modeling
Non-point source pollution
Bayesian inference
Markov chain Monte Carlo
Multiple-response calibration
Uncertainty analysis
PARAMETER UNCERTAINTY
SENSITIVITY-ANALYSIS
CATCHMENT-SCALE
MANAGEMENT
INFERENCE
NITROGEN
SIMULATION
RIVER
SWAT
An improved KGF-SPH with a novel discrete scheme of Laplacian operator for viscous incompressible fluid flows
期刊论文
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS, 2016
Huang, C.
;
Lei, J. M.
;
Liu, M. B.
;
Peng, X. Y.
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
smoothed particle hydrodynamics (SPH)
finite particle method (FPM)
kernel gradient free (KGF)
Laplacian operator
Lagrange
Euler
SMOOTHED-PARTICLE HYDRODYNAMICS
FREE-SURFACE FLOWS
UNDERWATER EXPLOSION
MESHLESS METHODS
CONSISTENCY
SIMULATION
3D Integrated Representation Model and Visualization Based on the Global Discrete Voxel-GeoSOT3D
其他
2015-01-01
Sun, Zhongqiu
;
Cheng, Chengqi
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
3D representation model
GeoSOT3D
The global discrete voxel
visualization
Sketch based modeling via manifold regularization
其他
2015-01-01
Liu, Juncheng
;
Lian, Zhouhui
;
Feng, Jie
;
Zhou, Bingfeng
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
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