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浏览/检索结果: 共6条，第1-6条 帮助 限定条件 内容类型：专利     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Method for refining nickel base high temperature alloy by electron beam directional solidification, involves adjusting left side beam of electron gun to predetermined value until level feeding mechanism moves up to maximum. 专利 申请日期: 2016-01-01, 公开日期: 2016-06-22 作者:  TAN Y SHI S WEI X YOU X YOU Q 收藏  |  浏览/下载：8/0  |  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 Electron beams continuous melting apparatus comprises smelting chamber, orientation ingot coagulating device, gun and vacuum system, and crucible. 专利 申请日期: 2015-01-01, 公开日期: 2015-04-29 作者:  JIANG D LI P SHI S WANG D 收藏  |  浏览/下载：1/0  |  提交时间：2019/12/09 Radiation-intercepting device used for crucible electron beam smelting includes radiation intercepting cover, sliding hanging rod, vacuum smelting device, smelting chamber, water-cooling tray, vacuum pump unit and electron gun. 专利 申请日期: 2013-01-01, 公开日期: 2013-05-08 作者:  JIANG D ZOU R TAN Y WEN S SHI S 收藏  |  浏览/下载：1/0  |  提交时间：2019/12/13 Purifying polycrystalline silicon by removing boron oxide, comprises placing silicon material in quartz ring, placing quartz ring in water cooled copper crucible, vacuumizing vacuum room and bombarding silicon material by electron gun. 专利 申请日期: 2010-01-01, 公开日期: 2010-12-15 作者:  DONG W GU Z TAN Y PENG X JIANG D 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/24 Pulse type electron beam generator for use in research of surface modification of material, has diaphragm opening formed at center of plasma anode, and electron gun whose cathode is arranged on central axial line of electron gun. 专利 申请日期: 2009-01-01, 公开日期: 2009-11-18 作者:  DONG C HAO S 收藏  |  浏览/下载：4/0  |  提交时间：2019/12/24