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科研机构
北京大学 [244]
内容类型
期刊论文 [172]
其他 [57]
会议论文 [14]
研究报告 [1]
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2017 [25]
2016 [25]
2015 [29]
2014 [24]
2013 [23]
2012 [10]
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共244条,第1-10条
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专题:北京大学
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Extraction and analysis of city's tourism districts based on social media data
期刊论文
COMPUTERS ENVIRONMENT AND URBAN SYSTEMS, 2017
Shao, Hu
;
Zhang, Yi
;
Li, Wenwen
收藏
  |  
浏览/下载:112/0
  |  
提交时间:2017/12/03
Tourism district
Social media
Spatial-temporal behavior
DESTINATION
NETWORKS
TRACKING
COMMUNITIES
SINGAPORE
IDENTIFICATION
ORGANIZATION
LOCATION
EXAMPLE
WORLD
The effect of ilmenite viscosity on the dynamics and evolution of an overturned lunar cumulate mantle
期刊论文
GEOPHYSICAL RESEARCH LETTERS, 2017
Zhang, Nan
;
Dygert, Nick
;
Liang, Yan
;
Parmentier, E. M.
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
GIANT IMPACT
MOONS INTERIOR
MARE BASALTS
SEISMIC DATA
ORIGIN
CONSTRAINTS
CONVECTION
MOONQUAKES
ASYMMETRY
VOLCANISM
Ensemble-based optimization of interwell connectivity in heterogeneous waterflooding reservoirs
期刊论文
JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING, 2017
Wang, Daigang
;
Li, Yong
;
Chen, Bailian
;
Hu, Yongle
;
Li, Baozhu
;
Gao, Dapeng
;
Fu, Bing
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Capacitance-resistance model
Koval fractional-flow equation
Interwell connectivity
Ensemble-based optimization technique
Hybrid nonlinear constraint
CAPACITANCE/RESISTANCE MODEL
ALGORITHM
南极半岛屈韦维尔岛白垩纪中期火山岩浆作用及其构造指示:锆石U-Pb年代学和Hf同位素制约
期刊论文
岩石学报, 2017
郑光高
;
刘晓春
;
赵越
;
王伟
;
陈龙耀
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
锆石U-Pb年龄
Hf同位素
南极半岛
白垩纪中期
岛弧环境
Zircon U-Pb dating
Zircon Hf isotope
Antarctic Peninsula
Mid-Cretaceous
Island arc setting
SOUTH SHETLAND ISLANDS
EASTERN PALMER-LAND
COAST INTRUSIVE SUITE
PACIFIC MARGIN
ICP-MS
LU-HF
SUBDUCTION HISTORY
LIVINGSTON ISLAND
CONTINENTAL-CRUST
SILICIC VOLCANISM
Structural analysis and deformation characteristics of the Yingba metamorphic core complex, northwestern margin of the North China craton, NE Asia
期刊论文
JOURNAL OF STRUCTURAL GEOLOGY, 2017
Yin, Congyuan
;
Zhang, Bo
;
Han, Bao-Fu
;
Zhang, Jinjiang
;
Wang, Yang
;
Ai, Sheng
收藏
  |  
浏览/下载:120/0
  |  
提交时间:2017/12/03
North China craton
Metamorphic core complex
Microstructures
Two-feldspar geothermometry
Quartz fabrics
Vorticity
PRESSURE CONTINENTAL-CRUST
STEADY-STATE DEFORMATIONS
MINIMUM STRAIN PATH
RIVER SHEAR ZONE
VORTICITY ANALYSIS
EASTERN CHINA
EXTENSIONAL TECTONICS
GEOCHRONOLOGICAL CONSTRAINTS
PREFERRED ORIENTATIONS
PLASTIC-DEFORMATION
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
基于几何约束的最大控油面积井网自动生成算法
期刊论文
计算机与数字工程, 2017
杨博
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
井网部署
几何约束
属性约束
控油面积
自生成算法
Key Words well network deployment
attribute constraints
geometric constraint
maximum oil containment area
automat?ic algorithm
Petrological and geochemical features of the early Paleozoic granitic gneisses and iron ores in the Tianhu iron deposit, Eastern Tianshan, NW China: Implications for ore genesis
期刊论文
LITHOS, 2017
Zheng, Jiahao
;
Mao, Jingwen
;
Yang, Fuquan
;
Chai, Fengmei
;
Shen, Ping
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Tianhu iron deposit
Granitic gneisses
Eastem Tianshan
Early Paleozoic
Ore genesis
ZIRCON U-PB
MAFIC-ULTRAMAFIC INTRUSIONS
HF ISOTOPIC COMPOSITIONS
ASIAN OROGENIC BELT
A-TYPE GRANITOIDS
NORTHWEST CHINA
CU DEPOSIT
CONTINENTAL GROWTH
HOST PORPHYRIES
LASER-ABLATION
The metamorphic evolution of Paleoproterozoic eclogites in Kuru-Vaara, northern Belomorian Province, Russia: Constraints from P-T pseudosections and zircon dating
期刊论文
PRECAMBRIAN RESEARCH, 2017
Liu, Fenglin
;
Zhang, Lifei
;
Li, Xiaoli
;
Slabunov, Alexander I.
;
Wei, Chunjing
;
Bader, Thomas
收藏
  |  
浏览/下载:12/0
  |  
提交时间:2017/12/03
Paleoproterozoic eclogite
P-T path
Zircon dating
Northern Belomorian Province
Kuru-Vaara
LAPLAND GRANULITE BELT
CALCULATED PHASE-EQUILIBRIA
MOBILE BELT
BALTIC SHIELD
U-PB
KOLA-PENINSULA
SVECOFENNIAN OROGEN
ARCHEAN ECLOGITES
UHP ECLOGITES
GRIDINO AREA
Trapped bubbles keep pumice afloat and gas diffusion makes pumice sink
期刊论文
EARTH AND PLANETARY SCIENCE LETTERS, 2017
Fauria, Kristen E.
;
Manga, Michael
;
Wei, Zihan
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
buoyancy
capillary processes
percolation theory
submarine volcanism
X-ray microtomography
IMMISCIBLE DISPLACEMENT
EXPLOSIVE ERUPTION
PERMEABILITY
PERCOLATION
CONSTRAINTS
TOMOGRAPHY
SATURATION
VOLCANISM
PRODUCTS
MODEL
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