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科研机构
北京大学 [9]
内容类型
期刊论文 [9]
发表日期
2017 [3]
2015 [1]
2002 [1]
1999 [1]
1985 [1]
1984 [1]
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专题:北京大学
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THE PLUMAGE AND COLOURATION OF AN ENANTIORNITHINE BIRD FROM THE EARLY CRETACEOUS OF CHINA
期刊论文
PALAEONTOLOGY, 2017
Peteya, Jennifer A.
;
Clarke, Julia A.
;
Li, Quanguo
;
Gao, Ke-Qin
;
Shawkey, Matthew D.
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
Enantiornithes
bird
sexual selection
melanosome
feather colour
Bohaiornithidae
AVIAN FLIGHT
AVES ORNITHOTHORACES
FEATHERED DINOSAURS
RAMAN-SPECTROSCOPY
EARLY EVOLUTION
MELANIN
INFORMATION
ORIGIN
TAIL
CONFUCIUSORNIS
1,3,5-三氨基-2,4,6-三硝基苯伽马辐照下变色机制
期刊论文
含能材料, 2017
敖银勇
;
陈捷
;
宋宏涛
;
刘渝
;
石建敏
;
陈洪兵
;
李久强
;
彭静
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
1,3,5-三氨基-2,4,6-三硝基苯(TATB)
密度泛函理论(DFT)
分子结构
热力学参数
变色
1,3,5-triamino-2,4,6-trinitrobenzene(TATB)
density functional theory(DFT)
molecular structure
thermodynamic parameter
colour change
Bayer demosaicking using optimised mean curvature over RGB channels
期刊论文
ELECTRONICS LETTERS, 2017
Chen, Rui
;
Jia, Huizhu
;
Wen, Xiange
;
Xie, Xiaodong
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
image segmentation
image resolution
image colour analysis
interpolation
image reconstruction
image restoration
optimised mean-curvature model
RGB channel
Bayer image demosaicking method
interpolation
cross-channel aliasing
variational MC model
G-image surface restoration
linear MC model
image resolution
image colour analysis
2-Acetyl-4-tetrahydroxybutylimidazole and 4-methylimidazole in caramel colours, vinegar and beverages in China
期刊论文
FOOD ADDITIVES & CONTAMINANTS PART B-SURVEILLANCE, 2015
Wang, Liying
;
Ren, Beibei
;
Liu, Yinping
;
Lu, Yang
;
Chang, Fengqi
;
Yang, Lixin
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
2-acetyl-4-tetrahydroxybutylimidazole
4-methylimidazole
caramel colour
vinegar
beverage
UPLC-MS
MS
MASS-SPECTROMETRIC QUANTIFICATION
GAS-LIQUID-CHROMATOGRAPHY
ION-PAIR EXTRACTION
CARCINOGENIC 4(5)-METHYLIMIDAZOLE
COFFEE
Neural mechanisms of perceptual grouping in humans as revealed by high density event related potentials
期刊论文
神经科学快报, 2002
Han, SH
;
Ding, YL
;
Song, Y
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/10
colour
cortex
event related potentials
grouping
proximity
similarity
FIGURE-GROUND SEGREGATION
GESTALT PRINCIPLES
SIMILARITY
PROXIMITY
Stimulated luminescence and photo-gated hole burning in BaFCl0.8Br0.2 : Sm2+,Sm3+ phosphors
期刊论文
journal of physics and chemistry of solids, 1999
Chen, W
;
Su, MZ
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  |  
浏览/下载:3/0
  |  
提交时间:2015/11/11
colour centres
luminescence
PHOTOSTIMULATED LUMINESCENCE
CENTERS
BAFBR-EU-2+
MECHANISM
CRYSTALS
ORGANIC SOLVATION EFFECTS ON COLOUR REACTIONS OF MULTICOMPONENT COMPLEXES——GALLIUM (Ⅲ)-CHROMAZUROL S-CETYLTRIMETHYLAMMONIUM BROMIDE-ALCOHOL (AQUEOUS) SYSTEM
期刊论文
Science in China,Ser.B, 1985
慈云祥
;
杨若明
收藏
  |  
浏览/下载:1/0
  |  
提交时间:2017/12/04
sensitized
colour
selectivity
complexes
AQUEOUS
GALLIUM
SYSTEM
umber
restrain
indium
STUDIES ON COLOUR REACTIONS OF COMPLEXES OF RARE EARTHS WITH ERIOCHROME AZUROL B, 5-NITRO-1, 10-PHENANTHROLINE AND CETYLTRIMETHYL AMMONIUM BROMIDE
期刊论文
A Monthly Journal of Science, 1984
孙淑声
;
沈小铜
收藏
  |  
浏览/下载:1/0
  |  
提交时间:2017/12/03
systematically
ammonium
colour
bromide
quaternary
complexes
NITRO-1
molar
yttrium
adjust
STUDIES ON COLOUR REACTIONS OF MULTICOMPONENT COMPLEXES——RARE EARTHS—ERIOCHROME CYANINE R—2,2-DIPYRIDINE—CETYLTRIMETHYL AMMONIUM BROMIDE SYSTEM
期刊论文
A Monthly Journal of Science, 1983
慈云祥
;
赛音
收藏
  |  
浏览/下载:0/0
  |  
提交时间:2017/12/04
cyanine
neodymium
lanthanum
ammonium
bromide
quaternary
DIPYRIDINE
RARE EARTHS
complexes
colour
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