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科研机构
北京大学 [732]
内容类型
期刊论文 [475]
其他 [240]
会议论文 [17]
发表日期
2017 [41]
2016 [65]
2015 [77]
2014 [57]
2013 [58]
2012 [53]
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专题:北京大学
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Global patterns of interaction specialization in bird-flower networks
期刊论文
JOURNAL OF BIOGEOGRAPHY, 2017
Zanata, Thais B.
;
Dalsgaard, Bo
;
Passos, Fernando C.
;
Cotton, Peter A.
;
Roper, James J.
;
Maruyama, Pietro K.
;
Fischer, Erich
;
Schleuning, Matthias
;
Gonzalez, Ana M. Martin
;
Vizentin-Bugoni, Jeferson
;
Franklin, Donald C.
;
Abrahamczyk, Stefan
;
Alarcon, Ruben
;
Araujo, Andrea C.
;
Araujo, Francielle P.
;
de Azevedo-Junior, Severino M.
;
Baquero, Andrea C.
;
Boehning-Gaese, Katrin
;
Carstensen, Daniel W.
;
Chupil, Henrique
;
Coelho, Aline G.
;
Faria, Rogerio R.
;
Horak, David
;
Ingversen, Tanja T.
;
Janecek, Stepan
;
Kohler, Glauco
;
Lara, Carlos
;
Las
收藏
  |  
浏览/下载:31/0
  |  
提交时间:2017/12/03
honeyeaters
hummingbirds
modularity
niche partitioning
ornithophily
plant-animal interactions
specialization
sunbirds
SEED-DISPERSAL NETWORKS
NECTAR-FEEDING BIRDS
POLLINATION SYSTEMS
ECOLOGICAL SPECIALIZATION
MUTUALISTIC NETWORKS
SPECIES RICHNESS
RAIN-FOREST
PLANT
HUMMINGBIRDS
EVOLUTIONARY
Supervised region merging based on binary classification and active learning strategy for segmentation of very high resolution imagery
其他
2017-01-01
Li, Peijun
;
Hu, Bo
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Neoproterozoic post-collisional extension of the central Jiangnan Orogen: Geochemical, geochronological, and Lu-Hf isotopic constraints from the ca. 820-800 Ma magmatic rocks
期刊论文
PRECAMBRIAN RESEARCH, 2017
Xin, Yujia
;
Li, Jianhua
;
Dong, Shuwen
;
Zhang, Yueqiao
;
Wang, Wenbao
;
Sun, Hanshen
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2017/12/03
Neoproterozoic
South China
U-Pb zircon ages
Hf isotopes
S-type granitoids
Post-collisional extension
SHRIMP U-PB
SOUTH CHINA BLOCK
SOUTHEASTERN YANGTZE BLOCK
LA-ICP-MS
ACTIVE CONTINENTAL-MARGIN
MAFIC-ULTRAMAFIC ROCKS
BIMODAL VOLCANIC-ROCKS
LACHLAN FOLD BELT
IN-SITU ANALYSIS
BACK-ARC SYSTEM
碳酸钾晶体结构及性质研究进展及展望
期刊论文
科技通报, 2017
苏星瑶
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
碳酸钾
相变
晶体和电子结构
晶格振动
熔体
K2CO3
phase transition
crystal and electronic structure
lattice vibration
melt
IMPROVED GRAY-ENCODED EVOLUTION ALGORITHM BASED ON CHAOS CLUSTER FOR PARAMETER OPTIMIZATION OF MOISTURE MOVEMENT
期刊论文
THERMAL SCIENCE, 2017
Yang, Xiao-Hua
;
Li, Yu-Qi
;
Wang, Kai-Wen
;
Sun, Bo-Yang
;
Ye, Yi
;
Li, Mei-Shui
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
parameter optimization
gray-encoded evolution algorithm
van Genuchten model
precision
moisture movement
SYSTEMS
Linear Stability of Hyperbolic Moment Models for Boltzmann Equation
其他
2017-01-01
Di, Yana
;
Fan, Yuwei
;
Li, Ruo
;
Zheng, Lingchao
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
Boltzmann equation
Grad&apos
hyperbolic moment equation
linear stability
REGULARIZATION
SYSTEM
s moment method
Finding non-classical critical nuclei and minimum energy path of Cu precipitates in Fe-Cu alloys
期刊论文
MODELLING AND SIMULATION IN MATERIALS SCIENCE AND ENGINEERING, 2017
Li, Boyan
;
Zhang, Lei
;
Li, Chengliang
;
Li, Qiulin
;
Chen, Jun
;
Shu, Guogang
;
Weng, Yuqing
;
Xu, Ben
;
Liu, Wei
收藏
  |  
浏览/下载:64/0
  |  
提交时间:2017/12/03
Fe-Cu alloys
non-classical clustering
minimum energy path
phase field model
constrained string method
NI QUATERNARY ALLOY
NUCLEATION THEORY
MODEL ALLOYS
RPV STEELS
ATOM-PROBE
IRRADIATION
SIMULATION
TRANSFORMATIONS
EMBRITTLEMENT
MORPHOLOGIES
Anterograde monosynaptic transneuronal tracers derived from herpes simplex virus 1 strain H129
期刊论文
MOLECULAR NEURODEGENERATION, 2017
Zeng, Wen-Bo
;
Jiang, Hai-Fei
;
Gang, Ya-Dong
;
Song, Yi-Ge
;
Shen, Zhang-Zhou
;
Yang, Hong
;
Dong, Xiao
;
Tian, Yong-Lu
;
Ni, Rong-Jun
;
Liu, Yaping
;
Tang, Na
;
Li, Xinyan
;
Jiang, Xuan
;
Gao, Ding
;
Androulakis, Michelle
;
He, Xiao-Bin
;
Xia, Hui-Min
;
Ming, Ying-Zi
;
Lu, Youming
;
Zhou, Jiang-Ning
;
Zhang, Chen
;
Xia, Xue-Shan
;
Shu, Yousheng
;
Zeng, Shao-Qun
;
Xu, Fuqiang
;
Zhao, Fei
;
Luo, Min-Hua
收藏
  |  
浏览/下载:46/0
  |  
提交时间:2017/12/03
Herpes simplex virus type 1 (HSV-1)
H129 strain
Anterograde
Neuronal tracer
H129
Delta TK
tdT
Monosynaptic
H129-G4
Multisynaptic
SYNAPTIC PROPERTIES
AUDITORY CORTICES
THALAMIC INPUT
NEURONS
CIRCUITS
SYSTEM
PATHWAYS
SPREAD
TYPE-1
MOUSE
Adsorption of Selenium and Strontium on Goethite: EXAFS Study and Surface Complexation Modeling of the Ternary Systems
期刊论文
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 2017
Nie, Zhe
;
Finck, Nicolas
;
Heberling, Frank
;
Pruessmann, Tim
;
Liu, Chunli
;
Lutzenkirchen, Johannes
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
X-RAY-ABSORPTION
CHARGE-DISTRIBUTION
AMORPHOUS SILICA
SORPTION
SPECTROSCOPY
INTERFACE
OXYANIONS
MECHANISM
PHOSPHATE
GEOMETRY
Asymmetric Hydrogenation of In Situ Generated Isochromenylium Intermediates by Copper/Ruthenium Tandem Catalysis
期刊论文
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2017
Miao, Tingting
;
Tian, Zi-You
;
He, Yan-Mei
;
Chen, Fei
;
Chen, Ya
;
Yu, Zhi-Xiang
;
Fan, Qing-Hua
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
asymmetric catalysis
heterocycles
hydrogenation
ruthenium
tandem reactions
CONTAINING CARBONYL YLIDES
HETEROAROMATIC-COMPOUNDS
ENANTIOSELECTIVE REDUCTION
O-ALKYNYLBENZALDEHYDES
ISOQUINOLINIUM SALTS
4+2 CYCLOADDITION
RELAY CATALYSIS
DERIVATIVES
QUINOLINES
COMPLEXES
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