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一种用于FSK信号的快速载波频偏估计及校正方法 专利
专利类型: 发明, 专利号: CN105610745A, 申请日期: 2016-05-25,
作者:  段茂强;  杨志家;  王剑;  董策;  谢闯
收藏  |  浏览/下载：35/0  |  提交时间：2016/09/07
Portable atmosphere electric field filter purification particulate matter 2.5 air removing device, has network and fabric that are fixed to seal, and device unit fixed to film. 专利
申请日期: 2014-01-01, 公开日期: 2014-09-24
作者:  LUO Q LIU L ZHANG L ZHAO C WANG X
收藏  |  浏览/下载：2/0  |  提交时间：2019/12/11
Chaotic secret orthogonal multiplexing optical fiber communication device, has optical coupler connected with photoelectric detector, and band-pass filter connected with photoelectric detector. 专利
申请日期: 2013-01-01, 公开日期: 2013-01-16
作者:  YIN H ZHAO Q
收藏  |  浏览/下载：2/0  |  提交时间：2019/12/13
Low-temperature desalination of sea water, comprises adding polymeric aluminum and polyacrylamide into sea water, passing into a multi-media filter for automatic back-washing, discharging, preheating, and placing in a degassing tower. 专利
申请日期: 2012-01-01, 公开日期: 2012-07-04
作者:  TIAN W YAO Q ZHU L ZHAO Z WANG L MA
收藏  |  浏览/下载：3/0  |  提交时间：2019/12/18
Porous ceramic material manufacture, e.g. for use in sound insulation material, involves mixing sugarcane filter mud and clay, ball milling, adding water to repeatedly knead, aging, molding, drying and sintering. 专利
申请日期: 2009-01-01, 公开日期: 2009-05-13
作者:  ZHANG Y GAO W WEI Q JIAO H
收藏  |  浏览/下载：4/0  |  提交时间：2019/12/24
Packing for aerated biological filter tanks using waste materials, has granule as main raw material which includes mud, blast furnace slag, clay and shale of predetermined weight percentage. 专利
申请日期: 2008-01-01, 公开日期: 2008-07-30
作者:  QUAN X CHEN Q GUO Y ZHAO Y
收藏  |  浏览/下载：6/0  |  提交时间：2019/12/27

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