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科研机构
北京大学 [12]
内容类型
其他 [8]
期刊论文 [4]
发表日期
2014 [12]
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共12条,第1-10条
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发表日期:2014
专题:北京大学
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1982-2010 Trends of Light Use Efficiency and Inherent Water Use Efficiency in African vegetation: Sensitivity to Climate and Atmospheric CO2 Concentrations
期刊论文
remote sens basel, 2014
Traore, Abdoul Khadre
;
Ciais, Philippe
;
Vuichard, Nicolas
;
MacBean, Natasha
;
Dardel, Cecile
;
Poulter, Benjamin
;
Piao, Shilong
;
Fisher, Joshua B.
;
Viovy, Nicolas
;
Jung, Martin
;
Myneni, Ranga
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2015/11/16
inherent water use efficiency
light use efficiency
Africa
trend analysis
atmospheric CO2 effect and climate effects on vegetation
PHOTOSYNTHETICALLY ACTIVE RADIATION
NET ECOSYSTEM EXCHANGE
TREE-RING DELTA-C-13
CARBON-DIOXIDE
DIFFUSE-RADIATION
FAGUS-SYLVATICA
ARID ECOSYSTEMS
SOLAR-RADIATION
PAST CENTURY
RAIN-FOREST
A meta-analysis of the canopy light extinction coefficient in terrestrial ecosystems
期刊论文
frontiers of earth science, 2014
Zhang, Liangxia
;
Hu, Zhongmin
;
Fan, Jiangwen
;
Zhou, Decheng
;
Tang, Fengpei
收藏
  |  
浏览/下载:1/0
  |  
提交时间:2015/11/15
canopy light extinction coefficient
ecological modeling
biogeochemical model
forest
grassland
cropland
leaf area index
RADIATION-USE EFFICIENCY
LEAF-AREA INDEX
DRY-MATTER ACCUMULATION
NET PRIMARY PRODUCTION
SEMIARID ENVIRONMENT
ANGLE DISTRIBUTION
POPULUS-DELTOIDES
PLANTING PATTERN
DECIDUOUS FOREST
MARKET QUALITY
A New FAPAR Analytical Model Based on the Law of Energy Conservation: A Case Study in China
期刊论文
ieee journal of selected topics in applied earth observations and remote sensing, 2014
Fan, Wenjie
;
Liu, Yuan
;
Xu, Xiru
;
Chen, Gaoxing
;
Zhang, Beitong
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2015/11/10
Clumping index
FAPAR-P model
fraction of absorbed photosynthetically active radiation (FAPAR)
recollision probability (p)
LEAF-AREA INDEX
PHOTOSYNTHETICALLY ACTIVE RADIATION
GLOBAL VEGETATION INDEX
WATER-VAPOR EXCHANGE
CARBON-DIOXIDE
CANOPY CONDUCTANCE
AVAILABLE ENERGY
2-LEAF MODEL
MODIS LAI
FOREST
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
Numerical study of MHD boundary layer flow of a Maxwell fluid past a stretching sheet in the presence of nanoparticles
其他
2014-01-01
Nadeem, S.
;
Haq, Rizwan Ul
;
Khan, Z. H.
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2015/11/11
Maxwell fluid
Stretching surface
Nanofluid
MHD
Numerical solution
MIXED CONVECTION
THERMAL-RADIATION
VERTICAL PLATE
SURFACE HEAT
NANOFLUID
Radiative transfer equation for media with spatially varying refractive index
其他
2014-01-01
Wang, Pei
;
Arridge, Simon R.
;
Jiang, Ming
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/13
GEOMETRICAL-OPTICS
SCATTERING MEDIA
LAWS
One Hair Postulate for Hawking Radiation as Tunneling Process
其他
2014-01-01
Dong Hui
;
Cai Qing-Yu
;
Liu Xu-Feng
;
Sun Chang-Pu
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2015/11/16
tunneling formulism
modified probability
correlation
entropy conservation
black hole
BLACK-HOLE
INFORMATION
PARTICLES
Noncanonical statistics of a finite quantum system with non-negligible system-bath coupling
其他
2014-01-01
Xu, D. Z.
;
Li, Sheng-Wen
;
Liu, X. F.
;
Sun, C. P.
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/15
MOVING MIRROR
GROUND-STATE
RADIATION
MECHANICS
Sr(NO_3)_2·DCH18C6配合物晶体结构与辐射稳定性
其他
2014-01-01
周瀚洋
;
于天麟
;
敖银勇
;
彭静
;
翟茂林
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2015/10/24
冠醚
锶
辐射稳定性
XRD
EXAFS
Crown ether
Sr2+
Radiation stability
XRD
EXAFS
X衍射精细结构和晶体旋光角研究D-,L-,DL-缬氨酸晶格分子间N~+H…O~-氢键电子库珀对的自旋流超导相变(英文)
其他
2014-01-01
王文清
;
张玉凤
;
龚
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2015/10/24
D-
D-, L- and DL-valine crystal
X-ray crystal fine structure
Optical rotatory angle
Clockwise and counterclockwise rotation of NH3 ->
Intermolecular N+H center dot center dot center dot O(-)hydrogen bond on lattice surface
Electron Cooper pairing
Spin superfluidity in superconducting state
L-和DL-缬氨酸晶体
X衍射晶体精细结构
晶体旋光角
NH3→CO2顺时针与逆时针走向
晶格表面分子间N+H…O-氢键
电子库珀对
自旋流超导相变
CO2
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