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科研机构
北京大学 [100]
内容类型
期刊论文 [85]
其他 [12]
会议论文 [3]
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2017 [6]
2016 [12]
2015 [6]
2014 [4]
2013 [8]
2012 [6]
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专题:北京大学
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Determinants of richness patterns differ between rare and common species: implications for Gesneriaceae conservation in China
期刊论文
DIVERSITY AND DISTRIBUTIONS, 2017
Liu, Yunpeng
;
Shen, Zehao
;
Wang, Qinggang
;
Su, Xiangyan
;
Zhang, Wanjun
;
Shrestha, Nawal
;
Xu, Xiaoting
;
Wang, Zhiheng
收藏
  |  
浏览/下载:40/0
  |  
提交时间:2017/12/03
biodiversity hotspots
biogeography
climate change
diversity pattern
endemism
Last Glacial Maximum
range size
winter coldness
2 SPATIAL PROCESSES
CLIMATE-CHANGE
GEOGRAPHICAL-DISTRIBUTION
DIVERSITY GRADIENT
PLANT DIVERSITY
GLOBAL PATTERNS
DISTRIBUTIONS
TEMPERATURE
SPECIATION
VELOCITY
GRADIENT ESTIMATES FOR THE STRONG p(x)-LAPLACE EQUATION
其他
2017-01-01
Zhang, Chao
;
Zhang, Xia
;
Zhou, Shulin
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
Nonlinear Calderon-Zygmund theory
strong p(x)-Laplacian
variable exponents
generalized Lebesgue and Sobolev spaces
ELLIPTIC-EQUATIONS
REGULARITY
MAPPINGS
DOMAINS
Performance of TD-DFT for Excited States of Open-Shell Transition Metal Compounds
期刊论文
JOURNAL OF PHYSICAL CHEMISTRY A, 2017
Suo, Bingbing
;
Shen, Kaiyuan
;
Li, Zhendong
;
Liu, Wenjian
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
DENSITY-FUNCTIONAL THEORY
MULTIREFERENCE PERTURBATION-THEORY
GAUSSIAN-BASIS SETS
GENERALIZED-GRADIENT-APPROXIMATION
CORRELATED MOLECULAR CALCULATIONS
CONFIGURATION-INTERACTION METHOD
POTENTIAL-ENERGY SURFACES
MODEL-SPACE COEFFICIENTS
COUPLED-CLUSTER METHOD
ANO BASIS-SETS
Electronic properties of ionic surfaces: A systematic theoretical investigation of alkali halides
期刊论文
JOURNAL OF CHEMICAL PHYSICS, 2017
Wu, Feng
;
Wang, Huihui
;
Shen, Yu-Chen
;
Jiang, Hong
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
BODY PERTURBATION-THEORY
BAND-STRUCTURE
GW METHOD
CRYSTALS
ENERGIES
PHOTOEMISSION
SOLIDS
SEMICONDUCTORS
INSULATORS
SPECTRUM
Rational design of super-alkalis and their role in CO2 activation
期刊论文
NANOSCALE, 2017
Zhao, Tianshan
;
Wang, Qian
;
Jena, Puru
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
X-ALPHA CALCULATIONS
BUILDING-BLOCKS
ELECTRONIC-STRUCTURE
SUPERALKALI CATIONS
ALUMINUM CLUSTERS
ATOMIC CLUSTERS
SUPERHALOGENS
ANIONS
ION
AFFINITIES
Probing nanoscale oxygen ion motion in memristive systems
期刊论文
NATURE COMMUNICATIONS, 2017
Yang, Yuchao
;
Zhang, Xiaoxian
;
Qin, Liang
;
Zeng, Qibin
;
Qiu, Xiaohui
;
Huang, Ru
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
RESISTIVE SWITCHING MEMORIES
IN-SITU OBSERVATION
FORCE MICROSCOPY
GRAPHENE
DEVICES
OXIDE
NANOFILAMENT
FILAMENTARY
SRTIO3
LAYER
Compressional behavior of MgCr_2O_4 spinel from first-principles simulation
期刊论文
Science China. Earth Sciences, 2016
Zhang Yanyao
;
Liu Xi
;
Xiong Zhihua
;
Zhang Zhigang
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
MgCr_2O_4 spinel
Compressional behavior
GGA
LDA
Polyhedral compressibility
EARTHS UPPER-MANTLE
X-RAY-DIFFRACTION
AB-INITIO
OXYGEN GEOBAROMETER
CATION DISTRIBUTION
MINERAL INCLUSIONS
CHROMIAN SPINEL
PRESSURE
DIAMOND
TRANSITION
On Gradient Descent Algorithm for Generalized Phase Retrieval Problem
其他
2016-01-01
Li Ji
;
Zhou Tie
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
phase retrieval
gradient descent
global convergence
LBFGS
local convexity
phase retrieval
gradient descent
global convergence
LBFGS
local convexity
On Gradient Descent Algorithm for Generalized Phase Retrieval Problem
其他
2016-01-01
Ji, Li
;
Tie, Zhou
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
phase retrieval
gradient descent
global convergence
LBFGS
local convexity
OPTIMIZATION
Exact two-component relativistic energy band theory and application
期刊论文
JOURNAL OF CHEMICAL PHYSICS, 2016
Zhao, Rundong
;
Zhang, Yong
;
Xiao, Yunlong
;
Liu, Wenjian
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
PLANE-WAVE METHOD
DENSITY-FUNCTIONAL CALCULATIONS
GENERALIZED GRADIENT APPROXIMATION
POTENTIAL LCAO METHOD
ELECTRONIC-STRUCTURE
SILVER-HALIDES
CHEMISTRY
SOLIDS
MOLECULES
PRESSURES
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