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科研机构
北京大学 [567]
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期刊论文 [395]
其他 [155]
会议论文 [17]
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2017 [31]
2016 [61]
2015 [51]
2014 [36]
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2012 [41]
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耕地地力对化肥养分利用的影响机制及其调控研究进展
期刊论文
土壤, 2017
孙波
;
陆雅海
;
张旭东
;
卢升高
;
韦革宏
;
杨劲松
;
朱安宁
;
刘满强
;
段英华
收藏
  |  
浏览/下载:108/0
  |  
提交时间:2017/12/03
耕地地力
土壤障碍
肥沃耕层
养分蓄纳供应
养分利用率
调控模式
Cultivated land fertility
Soil obstacle
Fertile soil cultivated layer
Nutrient storage and supply
Nutrient use efficiency
Regulatory model
山岳型风景区零售网点租金测算——以黄山风景区为例
期刊论文
热带地理, 2017
祁黄雄
;
邹晓萌
;
蒋长春
;
马娜
;
林燊
;
林俞先
;
费伟成
收藏
  |  
浏览/下载:21/0
  |  
提交时间:2017/12/03
零售网点
租金测算
黄山风景区
retail store
rent calculation
Huangshan scenic area
A proposal for the theoretical analysis of the interactive coupled effects between urbanization and the eco-environment in mega-urban agglomerations
期刊论文
JOURNAL OF GEOGRAPHICAL SCIENCES, 2017
Fang Chuanglin
;
Zhou Chenghu
;
Gu Chaolin
;
Chen Liding
;
Li Shuangcheng
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2017/12/03
mega-urban agglomeration
urbanization
eco-environment
interactive coupled effects
coupling theory
process of theoretical analysis
SUSTAINABILITY SCIENCE
CENTRAL CHINA
RESOURCES
CLUSTERS
CORRIDOR
TIANJIN
GROWTH
SYSTEM
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
Estimation of leaf area index and its sunlit portion from DSCOVR EPIC data: Theoretical basis
期刊论文
REMOTE SENSING OF ENVIRONMENT, 2017
Yang, Bin
;
Knyazikhin, Yuri
;
Mottus, Matti
;
Rautiainen, Miina
;
Stenberg, Pauline
;
Yan, Lei
;
Chen, Chi
;
Yan, Kai
;
Choi, Sungho
;
Park, Taejin
;
Myneni, Ranga B.
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
DSCOVR mission
Sunlit leaf area index
Spectral invariants
Hot spot
Operational algorithm
Radiative transfer
PHOTOSYNTHETICALLY ACTIVE RADIATION
PHOTON RECOLLISION PROBABILITY
CANOPY SPECTRAL INVARIANTS
SYSTEM DATA RECORD
PART 1
HOTSPOT OBSERVATIONS
VEGETATION STRUCTURE
HYPERSPECTRAL DATA
BOREAL FOREST
MISR DATA
High Order Hierarchical Divergence-Free Constrained Transport H(div) Finite Element Method for Magnetic Induction Equation
其他
2017-01-01
Cai, Wei
;
Hu, Jun
;
Zhang, Shangyou
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
H (div) finite elements
hierarchical basis
MHD
divergence-free
LINEAR ELASTICITY
FAMILY
MESHES
GRIDS
Mean field study of a propagation-turnover lattice model for the dynamics of histone marking
其他
2017-01-01
Yao Fan
;
Li Fangting
;
Li Tiejun
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
histone marking
contact process
mean field approximation
boundary layer analysis
Mean field study of a propagation-turnover lattice model for the dynamics of histone marking
其他
2017-01-01
Yao, Fan
;
Li, FangTing
;
Li, TieJun
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
histone marking
contact process
mean field approximation
boundary layer analysis
EPIGENETIC STATES
LYSINE 9
METHYLATION
CHROMATIN
HP1
HETEROCHROMATIN
CELLS
H3
MECHANISM
MEMORY
Stability of icosahedral quasicrystals in a simple model with two-length scales
其他
2017-01-01
Jiang, Kai
;
Zhang, Pingwen
;
Shi, An-Chang
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
icosahedral quasicrystals
two length scales with golden ratio
projection method
MEAN-FIELD THEORY
FARADAY WAVES
ORDER
SYMMETRY
PATTERNS
SPHERES
SYSTEM
Liquid crystalline bilayers self-assembled from rod-coil diblock copolymers
其他
2017-01-01
Cai, Yongqiang
;
Zhang, Pingwen
;
Shi, An-Chang
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
CONSISTENT-FIELD THEORY
AMPHIPHILIC BLOCK-COPOLYMERS
HOMOPOLYMER BLENDS
PHASE-BEHAVIOR
SMECTIC PHASES
RICH VARIETY
MEMBRANES
POLYMERS
MELTS
NANOSTRUCTURES
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