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Pipeline leakage detecting method, involves obtaining pipeline pressure signal data, establishing diagnosing model, judging whether diagnosing precision reaches pre-set requirements, and outputting pipeline leakage detection result. 专利
申请日期: 2018-01-01, 公开日期: 2018-04-17
作者:  LI Q LI M ZHANG X TAN D LI B WANG H
收藏  |  浏览/下载：10/0  |  提交时间：2019/12/02
Casting process of aluminum-boron master alloy doped polysilicon target, involves doping aluminum boron alloy into polycrystalline silicon material, pre heating, melting, carrying out crystal growth process and cooling. 专利
申请日期: 2016-01-01, 公开日期: 2016-11-23
作者:  LI P REN S TAN Y WANG K JIANG D
收藏  |  浏览/下载：3/0  |  提交时间：2019/12/09
Polycrystalline silicon powder electronic beam smelting and oriented solidifying combined device includes smelting chamber, electric gun, vacuum smelting system, crucible feeding system, storage bin, feeding bin and butterfly valve. 专利
申请日期: 2015-01-01, 公开日期: 2015-03-25
作者:  JIANG D TAN Y SHI S WANG D
收藏  |  浏览/下载：8/0  |  提交时间：2019/12/09
Metallurgical removal of polycrystalline slagging agent boron element, involves smelting waste slagging agent and high-purity silicon material, reverse-diffusion of boron to silicon, cooling, cutting silicon, and removing boron. 专利
申请日期: 2015-01-01, 公开日期: 2015-04-29
作者:  LI J TAN Y WANG D
收藏  |  浏览/下载：7/0  |  提交时间：2019/12/09
Double-e-type electric gun vapor deposition device, has evaporation chamber whose inner part is provided with two e-type electronic guns, where two e-type electronic guns are respectively provided with substrate and coating film material. 专利
申请日期: 2015-01-01, 公开日期: 2015-02-18
作者:  JIANG D LI P TAN Y WANG D
收藏  |  浏览/下载：8/0  |  提交时间：2019/12/09
Composite crucible comprises crucible body provided with internal cavity for cooling liquid circulation, groove-structured upper surface for holding the material, graphite outer layer, and copper inner layer. 专利
申请日期: 2015-01-01, 公开日期: 2015-03-25
作者:  JIANG D TAN Y WANG D
收藏  |  浏览/下载：3/0  |  提交时间：2019/12/09
Copper crucible consists of bottom graphite substrate formed by combining small-sized graphite pads, hollow recess or convex grooves provided on side walls of graphite pads, and adjacent graphite pads are joined by grooves. 专利
申请日期: 2015-01-01, 公开日期: 2015-04-22
作者:  JIANG D TAN Y SHI S WANG D XUE B
收藏  |  浏览/下载：8/0  |  提交时间：2019/12/09
Electron beam melting polycrystalline silicon ingot horizontal pulling device comprises melting chamber, two electron guns, vacuum system, feeding system, and horizontal pulling spindle system. 专利
申请日期: 2015-01-01, 公开日期: 2015-04-22
作者:  JIANG D TAN Y SHI S WANG D
收藏  |  浏览/下载：4/0  |  提交时间：2019/12/09
Polycrystalline orientation coagulating and purifying device used for separating high metal impurity includes high pure quartz detector, intermediate frequency induction coil, and carbon felt insulating layer. 专利
申请日期: 2015-01-01, 公开日期: 2015-04-29
作者:  JIANG D LI J LI P TAN Y WANG D
收藏  |  浏览/下载：5/0  |  提交时间：2019/12/09
Device useful for producing electronic beam smelting polycrystalline silicon powder comprises e.g. a smelting chamber, an electron gun, a vacuum system, a smelting chamber vacuum system, a crucible and a feeding system. 专利
申请日期: 2015-01-01, 公开日期: 2015-03-11
作者:  JIANG D TAN Y SHI S WANG D
收藏  |  浏览/下载：4/0  |  提交时间：2019/12/09

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