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科研机构
北京大学 [232]
内容类型
期刊论文 [142]
其他 [84]
会议论文 [6]
发表日期
2017 [21]
2016 [26]
2015 [23]
2014 [12]
2013 [16]
2012 [18]
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专题:北京大学
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基于“重要性—敏感性—连通性”框架的云浮市生态安全格局构建
期刊论文
地理研究, 2017
陈昕
;
彭建
;
刘焱序
;
杨旸
;
李贵才
收藏
  |  
浏览/下载:107/0
  |  
提交时间:2017/12/03
生态安全格局
源地识别
廊道判定
最小累积阻力模型
云浮市
ecological security patterns
ecological source identification
ecological corridor identification
minimum cumulative resistance model
Yunfu city
Analysis of co-occurrence toponyms in web pages based on complex networks
期刊论文
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS, 2017
Zhong, Xiang
;
Liu, Jiajun
;
Gao, Yong
;
Wu, Lun
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
Toponym
Toponym co-occurrence
Complex network
Link analysis
Geographic information retrieval
COCITATION
CHINESE
Y The geology and geochronology of the Waifangshan Mo-quartz vein cluster in eastern Qinling, China
期刊论文
ORE GEOLOGY REVIEWS, 2017
Deng, Xiao-Hua
;
Chen, Yan-Jing
;
Pirajno, Franco
;
Li, Nuo
;
Yao, Jun-Ming
;
Sun, Ya-Li
收藏
  |  
浏览/下载:17/0
  |  
提交时间:2017/12/03
Re-Os geochronology
Orogenic-type systems
Waifangshan Mo-quartz vein cluster
Qinling Orogen
FLUID INCLUSION GEOCHEMISTRY
ULTRAHIGH-TEMPERATURE METAMORPHISM
MOLYBDENITE-FLUORITE DEPOSIT
XIAOQINLING GOLD FIELD
PB-ZN DEPOSIT
ZIRCON U-PB
RE-OS AGES
ORE GENESIS
NW CHINA
ISOTOPE GEOCHEMISTRY
Zooming into the Hindu Kush slab break-off: A rare glimpse on the terminal stage of subduction
期刊论文
EARTH AND PLANETARY SCIENCE LETTERS, 2017
Kufner, Sofia-Katerina
;
Schurr, Bernd
;
Haberland, Christian
;
Zhang, Yong
;
Saul, Joachim
;
Ischuk, Anatoly
;
Oimahmadov, Ilhomjon
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2017/12/03
Pamir-Hindu Kush
slab break-off
intermediate-depth seismicity
continental crust subduction
continental collision
repeating earthquakes
LOCAL EARTHQUAKE TOMOGRAPHY
CRUSTAL ECLOGITIZATION
CONTINENTAL-CRUST
FOCAL MECHANISMS
DEEP EARTHQUAKES
MOMENT TENSORS
SCOTTS-MILLS
SEISMIC DATA
PAMIR
BENEATH
THEMIS satellite observations of hot flow anomalies at Earth's bow shock
期刊论文
ANNALES GEOPHYSICAE, 2017
Chu, Christina
;
Zhang, Hui
;
Sibeck, David
;
Otto, Antonius
;
Zong, QiuGang
;
Omidi, Nick
;
McFadden, James P.
;
Fruehauff, Dennis
;
Angelopoulos, Vassilis
收藏
  |  
浏览/下载:13/0
  |  
提交时间:2017/12/03
Interplanetary physics (planetary bow shocks solar wind plasma)
magnetospheric physics (solar wind-magnetosphere interactions)
DIAMAGNETIC CAVITIES
CLUSTER OBSERVATIONS
UPSTREAM
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
Semiparametric Bayesian analysis of accelerated failure time models with cluster structures
其他
2017-01-01
Li, Zhaonan
;
Xu, Xinyi
;
Shen, Junshan
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
density ratio model
mixture of Dirichlet processes
survival analysis
REGRESSION-MODELS
EFFICIENT ESTIMATION
DIRICHLET PROCESS
CENSORED-DATA
LIKELIHOOD
INFERENCE
MIXTURES
QUANTILE
PRIORS
对象云存储中分类分级数据的访问控制方法
其他
2017-01-01
杨腾飞
;
申培松
;
田雪
;
冯荣权
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
对象存储
云计算
数据安全
访问控制系统
分类分级数据
属性加密
安全标记
object storage
cloud computing
data security
access control model
classified and graded data
attribute-based encryption
secure label
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
Hydroxide-bridged five-coordinate Dy-III single-molecule magnet exhibiting the record thermal relaxation barrier of magnetization among lanthanide-only dimers
期刊论文
CHEMICAL SCIENCE, 2017
Xiong, Jin
;
Ding, Hai-Yan
;
Meng, Yin-Shan
;
Gao, Chen
;
Zhang, Xue-Jing
;
Meng, Zhao-Sha
;
Zhang, Yi-Quan
;
Shi, Wei
;
Wang, Bing-Wu
;
Gao, Song
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
DINUCLEAR DYSPROSIUM(III) COMPLEX
COORDINATION NUMBERS
SMM BEHAVIOR
ION MAGNETS
SPIN-STATE
ANISOTROPY
FIELD
BLOCKING
PATHWAYS
EXCHANGE
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