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科研机构
北京大学 [97]
内容类型
期刊论文 [70]
其他 [25]
会议论文 [2]
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2017 [5]
2016 [9]
2015 [7]
2014 [12]
2013 [11]
2012 [7]
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专题:北京大学
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Phase equilibria modelling using major and trace element compositions of zoned garnet and clinopyroxene from southwestern Tianshan eclogites, China
期刊论文
JOURNAL OF ASIAN EARTH SCIENCES, 2017
Zhang, Lijuan
;
Chu, Xu
;
Zhang, Lifei
;
Du, Jinxue
收藏
  |  
浏览/下载:108/0
  |  
提交时间:2017/12/03
Eclogite
Aegirine
Pseudosection
Rare earth element
Southwestern Tianshan
ULTRAHIGH-PRESSURE METAMORPHISM
FLUID-ROCK INTERACTION
EFFECTIVE BULK-COMPOSITION
COESITE-BEARING ECLOGITE
SM-ND GEOCHRONOLOGY
HP-LT ROCKS
P-T PATH
WESTERN TIANSHAN
NW-CHINA
SUBDUCTION-ZONE
Multi-scaling allometric analysis for urban and regional development
期刊论文
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS, 2017
Chen, Yanguang
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
Allometric growth
Allometric scaling
Fractal dimension
Complex spatial system
Spatio-temporal evolution
Urbanization
ZIPFS LAW
CITIES
GROWTH
SIZE
EVOLUTION
GEOMETRY
SHAPE
LIFE
Particulate pollution in urban Chongqing of southwest China: Historical trends of variation, chemical characteristics and source apportionment
期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2017
Chen, Yuan
;
Xie, Shao-dong
;
Luo, Bin
;
Zhai, Chong-zhi
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
PM
Chemical composition
Source apportionment
Chongqing
POSITIVE MATRIX FACTORIZATION
AIR-POLLUTION
CARBONACEOUS AEROSOL
ELEMENTAL CARBON
SEASONAL TRENDS
TRACE-ELEMENTS
PM2.5 MASS
CITIES
EMISSIONS
EXPOSURE
Effect of Calcium Hydroxide on the Pyrolysis Behavior of Sewage Sludge: Reaction Characteristics and Kinetics
期刊论文
ENERGY & FUELS, 2017
Tang, Siqi
;
Tian, Sicong
;
Zheng, Chunmiao
;
Zhang, Zuotai
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
NITROGEN TRANSFORMATION
CONDITIONER CAO
SULFUR
COMBUSTION
Three-dimensional photoacoustic imaging via scanning a one dimensional linear unfocused ultrasound array
期刊论文
OPTICS EXPRESS, 2017
Tan, Yi
;
Xia, Kaiye
;
Ren, Qiushi
;
Li, Changhui
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
IN-VIVO
TOMOGRAPHY
In-situ U-Pb dating and Nd isotopic analysis of perovskite from a rodingite blackwall associated with UHP serpentinite from southwestern Tianshan, China
期刊论文
CHEMICAL GEOLOGY, 2016
Shen, Ting-ting
;
Wu, Fu-yuan
;
Zhang, Li-fei
;
Hermann, Joerg
;
Li, Xu-ping
;
Du, Jin-xue
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Perovskite
U-Pb age
Nd isotopes
Rodingite blackwall
Tianshan
RARE-EARTH ELEMENTS
LA-ICP-MS
NORTH-ATLANTIC CRATON
WESTERN TIANSHAN
NW-CHINA
SOUTH TIANSHAN
TECTONIC IMPLICATIONS
TRACE-ELEMENT
T PATH
ULTRAMAFIC LAMPROPHYRES
Finite element approximations of symmetric tensors on simplicial grids in R-n: The lower order case
其他
2016-01-01
Hu, Jun
;
Zhang, Shangyou
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/04
Mixed finite element
symmetric finite element
first-order system
simplicial grid
inf-sup condition
WEAK STRESS SYMMETRY
LINEAR ELASTICITY
RECTANGULAR GRIDS
PLANE ELASTICITY
MIXED FEM
FAMILY
FORMULATION
Design of a Photoactive Hybrid Bilayer Dielectric for Flexible Nonvolatile Organic Memory Transistors
期刊论文
ACS NANO, 2016
Chen, Hongliang
;
Cheng, Nongyi
;
Ma, Wei
;
Li, Mingliang
;
Hu, Shuxin
;
Gu, Lin
;
Meng, Sheng
;
Guo, Xuefeng
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
organic field-effect transistor
flexible nonvolatile memory
diarylethene
self-assembled monolayer
photoactive hybrid dielectric
FIELD-EFFECT TRANSISTORS
THIN-FILM TRANSISTORS
FLOATING-GATE
ELECTRIC BISTABILITY
INTEGRATED-CIRCUITS
GOLD NANOPARTICLES
FLASH MEMORY
DEVICES
ELEMENTS
STORAGE
Uncertainty assessment of source attribution of PM2.5 and its water-soluble organic carbon content using different biomass burning tracers in positive matrix factorization analysis - a case study in Beijing, China
期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2016
Tao, Jun
;
Zhang, Leiming
;
Zhang, Renjian
;
Wu, Yunfei
;
Zhang, Zhisheng
;
Zhang, Xiaoling
;
Tang, Yixi
;
Cao, Junji
;
Zhang, Yuanhang
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Source apportionment
Biomass burning tracers
Source profiles
SOUTHEASTERN UNITED-STATES
LONG-RANGE TRANSPORT
PARTICULATE MATTER
CHEMICAL-CHARACTERIZATION
AEROSOL FORMATION
SOURCE APPORTIONMENT
URBAN-ENVIRONMENT
ELEMENTAL CARBON
PARTICLE-SIZE
COMBUSTION
An Approach of XML Schema Matching using Top-K Mapping
其他
2016-01-01
Fan, Hongjie
;
Deng, Kejun
;
Liu, Junfei
收藏
  |  
浏览/下载:1/0
  |  
提交时间:2017/12/03
schema matching
XML
similarity measures
top-k mapping
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