CORC

浏览/检索结果: 共7条,第1-7条 帮助

限定条件    
已选(0)清除 条数/页:   排序方式:
Ultra-thin wave impedance transformer, has impedance conversion element provided with frame and filled with filling material, and screen filled with filling material and acoustic material, where screen is fixed at inner surface of frame. 专利
申请日期: 2016-01-01, 公开日期: 2016-08-24
作者:  MEI Y WANG X WANG Y
收藏  |  浏览/下载:2/0  |  提交时间:2019/12/09
Three-dimensional sound hiding bucket tent structure for submarine, has displacement amplification mechanism formed with inner cavity, and hidden object located on inner side of support shell that is connected with unit cell. 专利
申请日期: 2015-01-01, 公开日期: 2015-03-25
作者:  MEI Y WANG X
收藏  |  浏览/下载:7/0  |  提交时间:2019/12/09
Low frequency broadband multi-layer absorbing small machine unit plane array for use in submarine, has acoustic material layer and array main body arranged on multi-supporting pole fixing plate by using bonding process. 专利
申请日期: 2015-01-01, 公开日期: 2015-03-25
作者:  MEI Y WANG X
收藏  |  浏览/下载:1/0  |  提交时间:2019/12/09
Method for laying-out lead and substrate in large scale high speed integrated circuit, involves providing rectangular section metal lead with homogenizing base, and transmitting high frequency signal from metal lead to substrate. 专利
申请日期: 2015-01-01, 公开日期: 2015-04-08
作者:  MEI Y WANG X JIANG L
收藏  |  浏览/下载:1/0  |  提交时间:2019/12/09
Low frequency broadband sound absorption device, has sound absorbing material unit arranged on transparent thin plate layer, and support arranged on low frequency sound absorption period structure design layer to form gap. 专利
申请日期: 2015-01-01, 公开日期: 2015-03-25
作者:  MEI Y WANG X
收藏  |  浏览/下载:6/0  |  提交时间:2019/12/09
Electromagnetic thrust fire extinguishing device, has electromagnetic thrust device for accelerating outermost layer of fire extinguishing section, and guide rail whose inner side is insulated between channel section and accelerate section. 专利
申请日期: 2015-01-01, 公开日期: 2015-04-29
作者:  MEI Y WANG Y
收藏  |  浏览/下载:1/0  |  提交时间:2019/12/09
Method for treating thermal barrier coating surface, involves selecting high current pulsed electron beam energy density and pulse width for realizing capping of thermal barrier coating ceramic columnar crystals respectively. 专利
申请日期: 2011-01-01, 公开日期: 2011-03-30
作者:  MA T WU H QIN Y MEI X WANG C
收藏  |  浏览/下载:5/0  |  提交时间:2019/12/18


©版权所有 ©2017 CSpace - Powered by CSpace