BS MA 39-3-1973 船梯规范.第3部分:钢锁定蹬梯
时间:2024-05-18 22:44:02 来源: 标准资料网 作者：标准资料网 阅读：8139
【英文标准名称】:Specificationforships'ladders-Ladders,steeldog-step
【原文标准名称】:船梯规范.第3部分:钢锁定蹬梯
【标准号】:BSMA39-3-1973
【标准状态】:作废
【国别】:英国
【发布日期】:1973-12-21
【实施或试行日期】:1973-12-21
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:尺寸;钢;水路运输工程部件;水路运输工程;设计;形状;踏步(楼梯);梯子;焊接;角(几何学)
【英文主题词】:Designations;Dimensions;Ladders;Shipbuilding;Specifications;Steelproducts;Steels
【摘要】:Specifiesthedimensions,designandconstruction,materialsandqualityoffinishforsteeldog-stepladdersformedfromaseriesofshapedringsweldedtotheships'structure.Theseladdersareintendedforuseintrunks,deeptanks,cargooiltankbottoms,etc.
【中国标准分类号】:U26
【国际标准分类号】:47_020_10
【页数】:8P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforControllingQualityofRadiologicalExaminationbyUsingRepresentativeQualityIndicators(RQIs)
【原文标准名称】:用典型质量指示仪(RQI)对放射性检查进行质量控制的实施规程
【标准号】:ASTME1817-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E07.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:radiologicimages;representativequalityindicator;RQI;Imageanalysis--radiographictesting;Radiologicalexamination;Representativequalityindicators(RQIs)
【摘要】:TheuseofRQIsisasignificantdeparturefromnormalpracticeinindustrialradiologybecauseitisnotastandarddesignandisdependentontheapplication,material,andprocessandthereforecannotbeasimpleplaqueorwire.TheuseofanRQIprovidesdocumentedevidencethatradiologicimageshavethelevelofqualitynecessarytorevealthosenonconformancesforwhichthepartsarebeingexaminedbyensuringadequatespatialresolutionandcontrastsensitivityintheareasofinterest.WhereconventionalIQIsconformingtoPracticeE747orE1025canbeusedeffectively,thosepracticesshouldbefollowed.1.1Thispracticecoverstheradiologicalexaminationofuniquematerialsorprocesses,orboth,forwhichconventionallydesignedimagequalityindicators(IQIs),suchasthosedescribedinPracticesE747andE1025,maybeinadequateincontrollingthequalityandrepeatabilityoftheradiologicalimage.1.2Whereappropriate,representativeimagequalityindicators(RQIs)mayalsorepresentcriterialevelsoftheacceptanceorrejectionofimagesofdiscontinuities.1.3Thispracticeisapplicabletomostradiologicalmethodsofexamination.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:19_100;77_040_20
【页数】:3P.;A4
【正文语种】:英语