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| Method for preparing carbon nano-tube hollow fiber film, involves putting carbon nano-tube in concentrated nitric acid and sulfuric acid solution followed by dispersing in organic solvent and membrane casting liquid, spinning and heating. 专利 申请日期: 2014-01-01, 公开日期: 2014-09-10 作者: CHEN S YU H QUAN X WEI G
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:4/0  |  提交时间:2019/12/11 |
| Chemical metallurgy purification of polysilicon involves utilizing scanning electronic microscope to observe silicon texture, and washing crushed silicon grain with sodium hydroxide solution, hydrochloric acid and nitric acid. 专利 申请日期: 2008-01-01, 公开日期: 2008-11-26 作者: TAN Y JIANG D LI G XU F LIU Y HU Z
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:2/0  |  提交时间:2019/12/27 |
| Etching of algainp crystal 专利 专利号: JP1990260636A, 申请日期: 1990-10-23, 公开日期: 1990-10-23 作者: SHONO MASAYUKI; HONDA MASAHARU; HAMADA HIROYOSHI
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:0/0  |  提交时间:2020/01/18 |
| Semiconductor laser device 专利 专利号: JP1990244690A, 申请日期: 1990-09-28, 公开日期: 1990-09-28 作者: WADA HIROSHI; HORIKAWA HIDEAKI; MATSUI YASUHIRO
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:11/0  |  提交时间:2020/01/13 |
| Defect detecting process of semiconductor crystal 专利 专利号: JP1984161043A, 申请日期: 1984-09-11, 公开日期: 1984-09-11 作者: UEDA OSAMU
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:0/0  |  提交时间:2020/01/18 |