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科研机构
北京大学 [92]
内容类型
期刊论文 [81]
其他 [9]
会议论文 [2]
发表日期
2017 [5]
2016 [7]
2015 [8]
2014 [6]
2013 [13]
2012 [4]
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专题:北京大学
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The origin of tetraradial symmetry in cnidarians
期刊论文
LETHAIA, 2017
Dzik, Jerzy
;
Balinski, Andrzej
;
Sun, Yuanlin
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
China
evolution
Medusozoa
Ordovician
polyps
SOUTHERN SHAANXI PROVINCE
SMALL SHELLY FOSSILS
SPHENOTHALLUS-HALL
PHYLUM-CNIDARIA
STEPHANOSCYPHUS SCYPHOZOA
GAOJIASHAN LAGERSTATTE
PHYLOGENETIC POSITION
BILATERAL SYMMETRY
LOWER ORDOVICIAN
N SPEC
湖南鲁塘石墨矿Re-Os同位素研究
期刊论文
岩矿测试, 2017
李超
;
王登红
;
周利敏
;
赵鸿
;
李欣尉
;
屈文俊
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
鲁塘
石墨矿
成因
Re-Os同位素
定年
Lu tang
graphite deposit
genesis
Re-Os isotope
dating
Drift tube ion mobility and four-dimensional molecular feature extraction enable data-independent tandem mass spectrometric 'omics' analysis without quadrupole selection
期刊论文
RAPID COMMUNICATIONS IN MASS SPECTROMETRY, 2017
Ma, Xin
;
Liu, Jing
;
Zhang, Zhengxiang
;
Bo, Tao
;
Bai, Yu
;
Liu, Huwei
收藏
  |  
浏览/下载:100/0
  |  
提交时间:2017/12/03
Ion mobility,MS/MS,data-independent,molecular feature extraction,omics
COLLISION CROSS-SECTIONS
PARAMETERS
PROTEOMICS
INSTRUMENTATION
MS
Biomass-derived nitrogen and boron dual-doped hollow carbon tube as cost-effective and stable synergistic catalyst for oxygen electroreduction
期刊论文
14th International Conference on Electrified Interfaces (ICEI), 2017
Cao, Chun
;
Wei, Liling
;
Zhai, Qiran
;
Wang, Gang
;
Shen, Jianquan
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Oxygen reduction reaction
N/B co-doped carbon
B-C-N
Synergistic effect
MICROBIAL FUEL-CELLS
REDUCTION REACTION ACTIVITY
METAL-FREE CATALYSTS
ONE-POT SYNTHESIS
POROUS CARBON
PLATINUM NANOPARTICLES
EVOLUTION REACTIONS
GRAPHENE OXIDE
TEMPLATE-FREE
ACTIVE-SITES
Biomass-derived nitrogen and boron dual-doped hollow carbon tube as cost-effective and stable synergistic catalyst for oxygen electroreduction
其他
2017-01-01
Cao, Chun
;
Wei, Liling
;
Zhai, Qiran
;
Wang, Gang
;
Shen, Jianquan
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Oxygen reduction reaction
N/B co-doped carbon
B-C-N
Synergistic effect
MICROBIAL FUEL-CELLS
REDUCTION REACTION ACTIVITY
METAL-FREE CATALYSTS
ONE-POT SYNTHESIS
POROUS CARBON
PLATINUM NANOPARTICLES
EVOLUTION REACTIONS
GRAPHENE OXIDE
TEMPLATE-FREE
ACTIVE-SITES
Arabidopsis mitochondrial protein slow embryo development1 is essential for embryo development
期刊论文
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS, 2016
Ju, Yan
;
Liu, Chunying
;
Lu, Wenwen
;
Zhang, Quan
;
Sodmergen
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Arabidopsis thaliana
Embryo development
Mitochondrial protein
SED1
POLLEN-TUBE GROWTH
ENDOSPERM DEVELOPMENT
ENCODES
EMBRYOGENESIS
GENE
THALIANA
GUIDANCE
MUTANT
SEED
Interface-modulated approach toward multilevel metal oxide nanotubes for lithium-ion batteries and oxygen reduction reaction
期刊论文
NANO RESEARCH, 2016
Meng, Jiashen
;
Niu, Chaojiang
;
Liu, Xiong
;
Liu, Ziang
;
Chen, Hongliang
;
Wang, Xuanpeng
;
Li, Jiantao
;
Chen, Wei
;
Guo, Xuefeng
;
Mai, Liqiang
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/04
interface-modulated approach
multilevel nanotubes
metal oxide
lithium-ion battery (LIB)
oxygen reduction reaction (ORR)
CAPACITIVE ENERGY-STORAGE
GENERAL-SYNTHESIS
CARBON NANOTUBES
HIGHLY EFFICIENT
WATER-OXIDATION
ANODE MATERIAL
AIR BATTERIES
NANOSTRUCTURES
PERFORMANCE
GRAPHENE
Current Progress in the Chemical Vapor Deposition of Type-Selected Horizontally Aligned Single-Walled Carbon Nanotubes
期刊论文
ACS NANO, 2016
Ibrahim, Imad
;
Gemming, Thomas
;
Weber, Walter M.
;
Mikolajick, Thomas
;
Liu, Zhongfan
;
Rummeli, Mark H.
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/04
single-walled carbon nanotubes
type-selected CNT
CNT etching
SWCNT characterization
CO-MO CATALYSTS
CHIRALITY-CONTROLLED SYNTHESIS
SEMICONDUCTING SWNT ARRAYS
FIELD-EFFECT TRANSISTORS
EPITAXIAL-GROWTH
PREFERENTIAL DESTRUCTION
FLUORESCENCE SPECTROSCOPY
OXYGEN REDUCTION
N,M SELECTIVITY
CHARGE-TRANSFER
Study of a fully vacuum-sealed calcium atomic beam tube for optical frequency standard
其他
2016-01-01
Chen, Haijun
;
Liang, Youhuan
;
Yang, Jianqing
;
Liu, Zhongzheng
;
Feng, Jinjun
;
Zhang, Xiaogang
;
Zhang, Shengnan
;
Chen, Jingbiao
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
optical frequency standard
calcium atomic beam tube
miniaturization
fully vacuum-sealed
Transverse concentration distribution in Taylor dispersion: Gill's method of series expansion supported by concentration moments
期刊论文
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 2016
Wang, Ping
;
Chen, G. Q.
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Taylor dispersion
Transverse concentration distribution
Series expansion
Initial transition
OPEN-CHANNEL FLOW
UNSTEADY CONVECTIVE DIFFUSION
ENVIRONMENTAL DISPERSION
SHEAR DISPERSION
SOLUTE-DISPERSION
SORPTIVE EXCHANGE
STRAIGHT PIPE
LAMINAR-FLOW
WETLAND FLOW
FREE-SURFACE
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