私密直播全婐app免费大渔直播,国产av成人无码免费视频,男女同房做爰全过程高潮,国产精品自产拍在线观看

Links
Contact Info.
  • Address:江蘇省南京市江寧區東南大學路2號:化學化工學院化工老樓514室
  • Zip:211189
  • Tel:18936881048
  • Fax:
  • Email:fchem@163.com
Current Location :> Home > Publications > Text
Helical polyurethane-imide with optical activity based on binaphthyl units: preparation, characterization, and study of interchain hydrogen bonds
writer:Zhiqiang Wang , Yuming Zhou,Yanqing Sun
keywords:binaphthyl units
source:期刊
specific source:POLYMER BULLETIN ,2009, 63(5): 699-708
Issue time:2009年

Helical polyurethane-imide with optical activity based on binaphthyl units: preparation, characterization, and study of interchain hydrogen bonds