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科研机构
北京大学 [19]
内容类型
期刊论文 [16]
其他 [3]
发表日期
2017 [1]
2016 [2]
2015 [3]
2014 [4]
2013 [1]
2011 [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
Extracting the regional common-mode component of GPS station position time series from dense continuous network
期刊论文
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, 2016
Tian, Yunfeng
;
Shen, Zheng-Kang
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
GPS
position time series
common-mode component
spatial correlation
spatial filtering
transient
LONG VALLEY CALDERA
CALIFORNIA
CASCADIA
EARTHQUAKE
DEFORMATION
MOTION
UPLIFT
SLIP
ICA and PCA Integrated Feature Extraction for Classification
其他
2016-01-01
Jinwen Ma
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
discriminant
vital
capable
criterion
supervised
classifier
integrate
projection
scatter
label
discriminant
vital
capable
criterion
supervised
classifier
integrate
projection
scatter
label
Wet deposition of atmospheric inorganic nitrogen at five remote sites in the Tibetan Plateau
期刊论文
ATMOSPHERIC CHEMISTRY AND PHYSICS, 2015
Liu, Y. W.
;
Xu-Ri
;
Wang, Y. S.
;
Pan, Y. P.
;
Piao, S. L.
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
REGIONAL ENVIRONMENTAL ASSESSMENTS
LONG-TERM TRENDS
EVEREST ICE CORE
CHEMICAL-COMPOSITION
PRECIPITATION CHEMISTRY
REACTIVE NITROGEN
CLIMATE-CHANGE
QOMOLANGMA EVEREST
IONIC COMPOSITION
URBAN SITE
Excited States and Photodebromination of Selected Polybrominated Diphenyl Ethers: Computational and Quantitative Structure-Property Relationship Studies
期刊论文
international journal of molecular sciences, 2015
Luo, Jin
;
Hu, Jiwei
;
Wei, Xionghui
;
Li, Lingyun
;
Huang, Xianfei
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/13
Polybrominateddiphenyl ethers
theoretical study
excited states
photodebromination
quantitative structure-property relationship
artificial neural network
BROMINATED FLAME RETARDANTS
POLYCHLORINATED-BIPHENYLS
DECABROMODIPHENYL ETHER
PHOTOCHEMICAL DEGRADATION
PHOTOLYTIC DEBROMINATION
REDUCTIVE DEBROMINATION
ULTRAVIOLET-IRRADIATION
HYDROXYLATED PBDES
QUANTUM YIELDS
NEURAL-NETWORK
Modeling total phosphorus removal in an aquatic environment restoring horizontal subsurface flow constructed wetland based on artificial neural networks
期刊论文
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, 2015
Li, Wei
;
Zhang, Yan
;
Cui, Lijuan
;
Zhang, Manyin
;
Wang, Yifei
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Aquatic environment restoration
Horizontal subsurface constructed wetland
Total phosphorus
Artificial neural networks
Model
WASTE-WATER
ANN MODEL
SIMULATION
PERFORMANCE
PREDICTION
EFFICIENCY
ALGORITHM
FORECAST
EFFLUENT
SEWAGE
A systematic study of chemogenomics of carbohydrates
期刊论文
分子生物系统, 2014
Gu, Jiangyong
;
Luo, Fang
;
Chen, Lirong
;
Yuan, Gu
;
Xu, Xiaojie
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2015/11/10
DRUG DISCOVERY
CHEMICAL SPACE
NETWORK PHARMACOLOGY
POLYPHARMACOLOGY
BIOLOGY
DESIGN
MEDICINES
RESPONSES
Signal subspace analysis for decoherent processes during interferometric fiber-optic gyroscopes using synchronous adaptive filters
期刊论文
applied optics, 2014
Li, Yongxiao
;
Wang, Zinan
;
Peng, Chao
;
Li, Zhengbin
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/13
OPTIC GYROSCOPES
NOISE
DEMODULATION
Leading dimensions in absorptive root trait variation across 96 subtropical forest species
期刊论文
new phytologist, 2014
Kong, Deliang
;
Ma, Chengen
;
Zhang, Qian
;
Li, Le
;
Chen, Xiaoyong
;
Zeng, Hui
;
Guo, Dali
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2015/11/11
branch order
root anatomy
root architecture
root foraging strategies
trait economics
LIFE-SPAN
FINE ROOTS
COMPENSATORY INCREASES
ARBUSCULAR MYCORRHIZAS
FUNGAL COLONIZATION
PHYLOGENETIC SIGNAL
TEMPERATE TREES
LAND PLANTS
GROWTH
NITROGEN
Traditional Chinese herbs as chemical resource library for drug discovery of anti-infective and anti-inflammatory
期刊论文
journal of ethnopharmacology, 2014
Ding, Weixian
;
Gu, Jiangyong
;
Cao, Liang
;
Li, Na
;
Ding, Gang
;
Wang, Zhengzhong
;
Chen, Lirong
;
Xu, Xiaojie
;
Xiao, Wei
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/11
Traditional Chinese herb
Anti-infection
Anti-inflammatory
Chemical informatics
Network pharmacology
QINGHAOSU ARTEMISININ
NATURAL-PRODUCTS
IN-VITRO
MEDICINE
PHARMACOLOGY
ANTIBACTERIAL
INFECTIONS
ARTESUNATE
NETWORKS
PLANTS
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