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| Preparing catalytic electrode useful for degrading berberine, by adding e.g. tungsten trioxide-cobalt-silicon carbide nanophotocatalyst, nano-carbon fiber and polyvinylpyrrolidone to casting solution and fixing on membrane module. 专利 申请日期: 2018-01-01, 公开日期: 2018-04-17 作者: LIU L SUN J
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| Preparing highly dispersed supported palladium/tungsten carbide catalyst involves dissolving source of tungsten and carbon in water, adding silicon dioxide sol to obtained mixed solution, heating, and drying obtained precursor solution. 专利 申请日期: 2015-01-01, 公开日期: 2015-08-05 作者: LI G XIE Y CHEN S
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| High-density ceramic matrix composite material used as hypersonic aircraft surface insulation layer, is obtained by hot-press sintering zirconium diboride-zirconium disilicide-tungsten carbide mixed powder having specified purity. 专利 申请日期: 2014-01-01, 公开日期: 2014-02-05 作者: LI J DAI J SHA J WEI Z ZHANG Z
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| Superfine hard-alloy tool used in precision machining, has nanometer composite film provided on surface of base material containing tungsten carbide-cobalt alloy. 专利 申请日期: 2010-01-01, 公开日期: 2010-07-28 作者: LIN G LI H
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| Copper plate surface modified tungsten carbide-copper alloy layer for continuous casting crystallizer and non-ferrous metal has predetermined amount of tungsten carbide, copper, nickel, silver and cobalt. 专利 申请日期: 2010-01-01, 公开日期: 2010-03-17 作者: HUANG W MA H WANG L YANG P
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:5/0  |  提交时间:2019/12/24 |