MIL-STD-1788A

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MIL-STD-1788A, MILITARY STANDARD: AVIONICS INTERFACE DESIGN STANDARD (31 JUL 1989) [SUPERSEDES DOD-STD-1788] [NO S/S DOCUMENT]., This standard defines the form factor, mounting, and cooling criteria to be used for military Line Replacement Units (LRUs) and the associated equipment rack.
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基本信息
标准名称:天然气二段转化催化剂系列产品
中标分类: 化工 >> 化学助剂、表面活性剂、催化剂、水处理剂 >> 催化剂
替代情况:被HG 2273.2-2004代替
发布日期:1992-03-03
实施日期:1993-01-01
首发日期:1900-01-01
作废日期:2005-06-01
出版日期:1900-01-01
页数:3页
适用范围

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前言

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引用标准

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所属分类: 化工 化学助剂 表面活性剂 催化剂 水处理剂 催化剂
【英文标准名称】:Railwayapplications-Track-Aluminothermicweldingofrails-Qualificationsofaluminothermicwelders,approvalofcontractorsandacceptanceofwelds
【原文标准名称】:道路设施.轨道.铁轨的铝热剂焊接.铝热焊接工资格、合同认可和焊缝的验收
【标准号】:BSEN14730-2-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-08-31
【实施或试行日期】:2006-08-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:验收(鉴定);铝;铝合金;认可;认证;定义;尺寸;氧炔焊;火车头托运方式;操作;永存性铁路;适用性检验;合格;质量保证;质量保证体系;铁路设施;铁路工程;铁道车辆结构;铁道车辆;铁路;试验证明书;热的;培训;丁字形铁轨;焊工;焊接;焊接工程;焊接工艺;焊接车间
【英文主题词】:Acceptance(approval);Aluminium;Aluminiumalloys;Approval;Certification;Definition;Definitions;Dimensions;Fusionwelding;Locomotivehaulage;Operation;Permanentways;Proofofsuitability;Qualifications;Qualityassurance;Qualityassurancesystems;Railwayapplications;Railwayengineering;Railwayvehicleconstruction;Railwayvehicles;Railways;Testcertificates;Thermal;Training;Vignolrail;Welders;Welding;Weldingengineering;Weldingprocesses;Weldingshops
【摘要】:ThisstandardappliestoaluminothermicweldsmadeonVignolerailsof46kg/mandaboveascontainedinEN13674-1:Thisstandardspecifies:?thesystemfortraining,testingandmaintainingtheskillsofaluminothermicwelders.ItappliestothosealuminothermicweldingprocessescompliantwiththerequirementsofEN14730-1"Railwayapplications–Track–Aluminothermicweldingofrails–Part1:Approvalofweldingprocesses".Itrequiresthatthesystemfortrainingandtestingofweldersshallbeapprovedbytherelevantrailwayauthority;?thesystemsandrequirementsfortheapprovalofaluminothermicweldingcontractors.ItappliestothosecontractorsusingaluminothermicweldingprocessescompliantwiththerequirementsofEN14730-1"Railwayapplications–Track–Aluminothermicweldingofrails–Part1:Approvalofweldingprocesses"andwhoemploywelderswhoareinpossessionofavalidPermittoWeldasdefinedinClause4ofthisstandard;?theacceptancerequirementsforaluminothermicwelds.Itrequiresthatweldinspectorsarecompetentinaluminothermicweldinspectionandareapprovedbytherelevantrailwayauthority.Itcoversthefinalinspectionofaluminothermicweldsforacceptanceintrack.Itdoesnotcoveranypreviousinspectionsbyweldersorothers.
【中国标准分类号】:S11
【国际标准分类号】:25_160_10;93_100
【页数】:22P;A4
【正文语种】:英语