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科研机构
北京大学 [31]
内容类型
期刊论文 [26]
其他 [5]
发表日期
2015 [1]
2010 [1]
2009 [4]
2008 [9]
2007 [6]
2006 [3]
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共31条,第1-10条
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专题:北京大学
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Compromised small-world efficiency of structural brain networks in schizophrenic patients and their unaffected parents
期刊论文
神经科学通报, 2015
Yan Hao
;
Tian Lin
;
Wang Qifeng
;
Zhao Qiang
;
Yue Weihua
;
Yan Jun
;
Liu Bing
;
Zhang Dai
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2015/11/11
Unusual Chiral Transfer in Radical Copolymerization of Vinyl Monomers Bearing Side-on p-Terphenyl Pendants
期刊论文
chemistry an asian journal, 2010
Cui, Jiaxi
;
Liu, Anhua
;
Cao, Hongqing
;
Wan, Xinhua
;
Zhou, Qifeng
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/10
chiral transfer
helical polymer
p-terphenyl
radical copolymerization
vinyl monomer
ACTIVE HYDROCARBON POLYMERS
CHIROPTICAL PROPERTIES
MACROMOLECULAR STEREOCHEMISTRY
ALPHA-OLEFINS
STEREOSELECTIVE COPOLYMERIZATION
CONFORMATIONAL CHARACTERISTICS
(-)-MENTHYL ACRYLATE
SOLDIERS PRINCIPLE
HELICAL POLYMERS
OPTICAL-ACTIVITY
Hydride-induced cleavage of C-O bond in pyran ring of 2-pyranylidene carbene complexes: mechanism and synthetic application
期刊论文
dalton transactions, 2009
Wang, Qifeng
;
Liu, Lantao
;
Lin, Chen
;
Sun, Hui
;
Zhang, Wen-Xiong
;
Xi, Zhenfeng
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/12
TRANSITION-METAL-COMPLEXES
DIELS-ALDER REACTIONS
BENZOPYRANYLIDENETUNGSTEN(0) COMPLEXES
PYRANYLIDENE COMPLEXES
CHEMICAL MULTITALENTS
ORGANIC SYNTHESES
CHROMIUM
TUNGSTEN
DEMETALATION
DERIVATIVES
Synthesis and Characterization of Optically Active Helical Vinyl Polymers via Free Radical Polymerization
期刊论文
journal of polymer science part a polymer chemistry, 2009
Zhi, Junge
;
Guan, Yan
;
Cui, Jiaxi
;
Liu, Anhua
;
Zhu, Zhiguo
;
Wan, Xinhua
;
Zhou, Qifeng
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2015/11/10
2,5-bis(4 &apos
2,5-bis(4 &apos
chiral
columnar nematic phase
helical conformation
liquid-crystalline polymer
radical polymerization
LIQUID-CRYSTALLINE POLYMERS
1-PHENYLDIBENZOSUBERYL METHACRYLATE
MACROMOLECULAR HELICITY
CHIROPTICAL PROPERTIES
CIRCULAR-DICHROISM
CONTAINING POLY(PHENYLACETYLENE)S
SELECTIVE POLYMERIZATION
MOLECULAR RECOGNITION
CHIRAL AMPLIFICATION
AMINO-ACIDS
-alkoxycarbonylphenyl)styrene
-carboxyphenyl)styrene
Synthesis, Characterization, and Electroluminescence of Novel Copolyfluorenes and Their Applications in White Light Emission
期刊论文
journal of polymer science part a polymer chemistry, 2009
Wang, Ping
;
Jin, Hao
;
Yang, Qian
;
Liu, Wanli
;
Shen, Zhihao
;
Chen, Xiaofang
;
Fan, Xinghe
;
Zou, Dechun
;
Zhou, Qifeng
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/10
liquid-crysatlline polymers
luminescence structure-property relations
CONJUGATED POLYMERS
EMITTING-DIODES
SEMICONDUCTING POLYMERS
SELF-ORGANIZATION
CARRIER MOBILITY
MAIN-CHAIN
POLYFLUORENE
BLUE
DERIVATIVES
COPOLYMERS
Long-Range Chirality Transfer in Free Radical Polymerization of Bulky Vinyl Monomers Containing Laterally Attached p-Terphenyl Groups
期刊论文
macromolecules, 2009
Cui, Jiaxi
;
Lu, Xiaocun
;
Liu, Anhua
;
Wan, Xinhua
;
Zhou, Qifeng
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/10
SENSE-SELECTIVE POLYMERIZATION
MAIN-CHAIN CHIRALITY
CHOLESTERIC LIQUID-CRYSTALS
HANDED HELICAL CONFORMATION
MACROMOLECULAR HELICITY
CONJUGATED POLYMERS
SIDE-CHAINS
TWIST-SENSE
CHIROPTICAL PROPERTIES
PROMESOGENIC MONOMERS
Towards near-infrared chiroptically switching materials: Theoretical and experimental studies on viologen-containing 1,1 '-binaphthyls
期刊论文
chemphyschem, 2008
Deng, Jian
;
Song, Naiheng
;
Liu, Wenjian
;
Zhou, Qifeng
;
Wang, Zhi Yuan
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/13
chirality
circular dichroism
density functional calculations
near infrared
viologens
OPTICAL ROTATORY DISPERSION
CIRCULAR-DICHROISM
EXCITATION-ENERGIES
CATION RADICALS
GLASSY STATE
POLYISOCYANATES
CONFORMATION
POLYMERS
BORON
刚棒-线团嵌段共聚物层状微相分离结构中相区尺寸的分子量依赖性
其他
2008-01-01
陈尔强
;
刘宣伯
;
赵永峰
;
范星河
;
周其凤
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/10/24
嵌段共聚物
微相分离结构
层状相
聚己内酯
液晶高分子
液晶性
对甲氧基苯酚
无定形态
对苯二甲酸
聚乙烯基
Solvent effect on the aggregation behavior of rod-coil diblock copolymers
期刊论文
langmuir, 2008
Zhang, Jie
;
Lin, Weiran
;
Liu, Anhua
;
Yu, Zhenning
;
Wan, Xinhua
;
Liang, Dehai
;
Zhou, Qifeng
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/10
BLOCK-COPOLYMERS
AQUEOUS-SOLUTION
MICELLES
POLYMERS
WATER
NANOSTRUCTURES
ARCHITECTURES
NANOFIBERS
VESICLES
PHASE
Odd-even effect in free radical polymerization of optically active 2,5-bis[(4 '-alkoxycarbonyl)-phenyl]styrene
期刊论文
macromolecules, 2008
Zhi, Junge
;
Zhu, Zhiguo
;
Liu, Anhua
;
Cui, Jiaxi
;
Wan, Xinhua
;
Zhou, Qifeng
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2015/11/10
AROMATIC SIDE-CHAINS
CHIROPTICAL PROPERTIES
HELICAL CONFORMATION
SYNTHETIC-POLYMERS
LIQUID-CRYSTALS
CONTAINING POLY(PHENYLACETYLENE)S
SELECTIVE POLYMERIZATION
PROMESOGENIC MONOMERS
HYDROCARBON POLYMERS
CHIRAL AMPLIFICATION
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