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Preparing nitrogen-doped nano-foam carbon with embedded metal oxide hollow nanoparticles involves dissolving polyvinylpyrrolidone and metal salt in solvent, drying, grinding into powder, and placing obtained powder in reactor. 专利
申请日期: 2015-01-01, 公开日期: 2015-12-02
作者:  QIU J WANG Z ZHAO Z DONG Y
收藏  |  浏览/下载:4/0  |  提交时间:2019/12/09
Optical waveguide system 专利
专利号: US7738752, 申请日期: 2010-06-15, 公开日期: 2010-06-15
作者:  YAMAGIWA, MASAKAZU;  TODORI, KENJI;  YOSHIMURA, REIKO;  MARUYAMA, MIHO;  YAMADA, KOU
收藏  |  浏览/下载:7/0  |  提交时间:2019/12/24


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