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科研机构
北京大学 [18]
内容类型
期刊论文 [16]
其他 [2]
发表日期
2017 [1]
2016 [3]
2015 [1]
2014 [4]
2013 [3]
2010 [2]
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专题:北京大学
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Paleoarchean zircons from quartzite of South Bundelkhand Supracrustal Complex: origin and implications for crustal evolution in Bundelkhand Craton, Central India
期刊论文
CURRENT SCIENCE, 2017
Slabunov, Alexander
;
Singh, Vinod K.
;
Joshi, Kumar Batuk
;
Li, Xiaoli
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Bundelkhand Craton
Girar supracrustal belt
quartzites
rare earth elements
zircon geochemistry
RARE-EARTH ELEMENTS
ULTRAHIGH-PRESSURE ECLOGITE
OXYGEN-ISOTOPE RATIOS
MAFIC DYKE SWARMS
CONTINENTAL-CRUST
DETRITAL ZIRCONS
PARTITION-COEFFICIENTS
WESTERN-AUSTRALIA
NORTHERN INDIA
IGNEOUS ZIRCON
High water content in primitive continental flood basalts
期刊论文
SCIENTIFIC REPORTS, 2016
Xia, Qun-Ke
;
Bi, Yao
;
Li, Pei
;
Tian, Wei
;
Wei, Xun
;
Chen, Han-Lin
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
LARGE IGNEOUS PROVINCE
EARTHS UPPER-MANTLE
RECYCLED OCEANIC COMPONENTS
HOSTED MELT INCLUSIONS
NW CHINA
RIDGE BASALT
QUANTITATIVE-ANALYSIS
H2O CONCENTRATIONS
TRANSITION ZONE
TARIM BASIN
A novel approach for apportionment between primary and secondary sources of airborne nitrated polycyclic aromatic hydrocarbons (NPAHs)
期刊论文
ATMOSPHERIC ENVIRONMENT, 2016
Lin, Yan
;
Qiu, Xinghua
;
Ma, Yiqiu
;
Wang, Junxia
;
Wu, Yusheng
;
Zeng, Limin
;
Hu, Min
;
Zhu, Tong
;
Zhu, Yifang
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
NPAHs
NO2
Source apportionment
Secondary formation
GRIDDED FIELD OBSERVATIONS
NORTH CHINA
HETEROGENEOUS REACTION
SPATIAL-DISTRIBUTION
ORGANIC-COMPOUNDS
BOUND PAHS
NITRO-PAHS
ATMOSPHERE
MUTAGENICITY
PM2.5
Efficient Arbitrary Ratio Downscale Transcoding for HEVC
其他
2016-01-01
Lin, Zhenan
;
Zhang, Qi
;
Chen, Keji
;
Sun, Jun
;
Guo, Zongming
收藏
  |  
浏览/下载:11/0
  |  
提交时间:2017/12/03
HEVC
homogeneous transcoding
downscale transcoding
grid misalignment
partition decision
STANDARD
基于地球剖分网格的无人机数据组织模型初探
期刊论文
地理信息世界, 2015
程承旗
;
陈东
;
童晓冲
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
地球剖分网格
无人机数据
数据组织模型
global subdivision grid
UAV data
the model of the data organization
Zircon U-Pb-Hf isotopes and geochemistry of Neoarchean dioritic-trondhjemitic gneisses, Eastern Hebei, North China Craton: Constraints on petrogenesis and tectonic implications
期刊论文
precambrian research, 2014
Bai, Xiang
;
Liu, Shuwen
;
Guo, Rongrong
;
Zhang, Lifei
;
Wang, Wei
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2015/11/10
Dioritic-trondhjemitic gneisses
Zircon U-Pb-Hf isotope systematics
Geochemistry
Petrogenesis and tectonic setting
Eastern Hebei
North China Craton
LIAO-JI BELT
PRESSURE PELITIC GRANULITES
TRACE-ELEMENT PARTITION
CRUSTAL EVOLUTION
DETRITAL ZIRCONS
WESTERN BLOCK
T PATH
LU-HF
MAFIC GRANULITES
KHONDALITE BELT
Advection-Based Sparse Data Management for Visualizing Unsteady Flow
期刊论文
ieee可视化与计算机图示学汇刊, 2014
Guo, Hanqi
;
Zhang, Jiang
;
Liu, Richen
;
Liu, Lu
;
Yuan, Xiaoru
;
Huang, Jian
;
Meng, Xiangfei
;
Pan, Jingshan
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/10
Flow visualization
Data management
High performance visualization
Key-value store
COHERENT STRUCTURES
INTEGRATION
Optimal entropy-constrained non-uniform scalar quantizer design for low bit-rate pixel domain DVC
期刊论文
multimedia tools and applications, 2014
Wu, Bo
;
Zhang, Nan
;
Ma, Siwei
;
Zhao, Debin
;
Gao, Wen
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/11
DVC
Non-uniform scalar quantizer
Optimal quantizer
INFORMATION
DISTORTION
CODES
Distribution, partitioning and sources of polycyclic aromatic hydrocarbons in the water-SPM-sediment system of Lake Chaohu, China
期刊论文
science of the total environment, 2014
Qin, Ning
;
He, Wei
;
Kong, Xiang-Zhen
;
Liu, Wen-Xiu
;
He, Qi-Shuang
;
Yang, Bin
;
Wang, Qing-Mei
;
Yang, Chen
;
Jiang, Yu-Jiao
;
Jorgensen, Sven Erik
;
Xu, Fu-Liu
;
Zhao, Xiao-Li
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/10
Lake Chaohu
PAHs
Water-SPM-sediment system
Spatial-temporal distribution
Partitioning
Source apportionment
SUSPENDED PARTICULATE MATTER
CARBON-ISOTOPE SIGNATURES
SOURCE APPORTIONMENT
ORGANOCHLORINE PESTICIDES
SOURCE IDENTIFICATION
ESTUARINE SEDIMENTS
ORGANIC POLLUTANTS
DIAGNOSTIC RATIOS
SURFACE SEDIMENTS
BAIYANGDIAN LAKE
Mafic-intermediate plutonic rocks of the Salmas area, northwestern Iran: their source and petrogenesis significance
期刊论文
international geology review, 2013
Ghaffari, Mitra
;
Rashidnejad-Omran, Nematollah
;
Dabiri, Rahim
;
Chen, Bin
;
Santos, Jose Francisco
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/11
gabbro
cumulate
geochemistry
Sr-Nd isotopes
fractional crystallization
partial melting
Salmas area
northwestern Iran
SANANDAJ-SIRJAN ZONE
RARE-EARTH ELEMENTS
TRACE-ELEMENT
WESTERN IRAN
NW IRAN
PARTITION-COEFFICIENTS
VOLCANIC-ROCKS
GEOCHEMISTRY
EVOLUTION
COMPLEX
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