MIL-STD-9A (NOTICE 2)

作者:标准资料网 时间:2024-05-14 11:31:35   浏览:9836   来源:标准资料网
下载地址: 点击此处下载
MIL-STD-9A (NOTICE 2), MILITARY STANDARD: SCREW THREAD CONVENTIONS AND METHODS OF SPECIFYING (12 JUN 1980) [S/S BY ANSI Y14.6]., MIL-STD-9A, dated 26 MAY 1960, is hereby canceled. Future procurement shall be in accordance with ANSI Y14.6.
下载地址: 点击此处下载
【英文标准名称】:StandardPracticeforEvaluationofMetallicWeaponsDetectorsforControlledAccessSearchandScreening
【原文标准名称】:受控通道处搜索和筛查用金属武器检测器的评价用标准实施规程
【标准号】:ASTMF1468-2004a
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:F12.60
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:武器;搜索系统;检波器(回路)
【英文主题词】:controlledaccessscreening;controlledaccesssearch;metaldetector;metaldetectorevaluation;metalobjectdetector;metallicweaponsdetector;walk-throughmetaldetector;weaponsdetector;weaponsdetectorevaluation
【摘要】:Thesignificantattributesofthispracticearethemethodsfordeterminingthedetectioncapabilitiesofmetaldetectors,themethodsfordeterminingtheeffectsofoutsideinfluencesondetectors,andcertainsafetyrequirementsfordetectors.Whilethispracticewasoriginatedforwalk-throughmetalweaponsdetectors,itisequallyapplicabletodetectorsofothermetalobjects.Theinnocentobjectsset(15.1.2)wouldrequiremodificationcommensuratewiththesizeoftheotherobjecttobetested;sometestsmaynotbeapplicableandotherspecificanddifferenttestsmaybenecessary.Thispracticeincludestestingsiterequirements(Section6)tominimizedatavariations.Thesemethodsmaybeusedatnonconformingsitesifsite-relateddisturbancesareconsideredandaccountedfor.Thispracticeisnotmeanttoconstraindesignsbutitisapplicableonlytodetectorswhicharedesignedforindividualwalk-through.Theportalstructureshallbedeemedtomeetthiscriterionifitprovidesaminimumverticalclearanceof1.96m(77in.)andaminimumhorizontalwidthclearanceof0.66m(26in.).Thispracticerecognizesthatthecomplexmovementsofatestobjectwhencarriedbyapersonwalkingthroughadetectorlimitstheprecisionandrepeatabilityoftheresultantobservedsignals.Averagedresultsfromrepeatedtestsunderidenticalcontrolledconditionsarerecommendedtoobtainabetterapproximationoftheunderlyinghypotheticaltruevalueforthatsetofconditions.Wherethetermx201C;significantx201D;isused,itreferstophenomenawhich,inaccordancewithacceptedengineeringpractices,exceedthenormalvariationofdata.1.1Thispracticeestablishesstandardmethodsfortheevaluationofwalk-throughmetalweaponsdetectorsandcriteriafortestingmetaldetectionperformance.1.2Thispracticespecifiescertainhealth,safety,andhumanfactorscriteriapertainingtotheusageofthedetectionequipment.1.3Thispracticerequirestheuseofnon-standardized(user-supplied)testobjectsandtestequipment.Evaluationsmadeusingtheproceduresoutlinedinthispracticecanbeusedforcomparativeevaluationsonlyifthetestsaremadewiththesameequipmentandtestobjects.1.4Thispracticeisintendedforusebymanufacturersandevaluatorsofelectromagneticfielddevicesusedforscreeningpersonsenteringintocontrolledaccessareas.Itisnotintendedtosetperformancenorlimitorconstrainoperatingtechnologies,norisitadocumentforusebyindividualoperatorsorusersofsuchequipmentatspecificaccesscontrolpoints.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Otherunitsgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Foraspecifichazardsstatement,seewarningnotein12.2.5.
【中国标准分类号】:A91
【国际标准分类号】:
【页数】:11P.;A4
【正文语种】:


【英文标准名称】:SpecificationforElectric-Resistance-WeldedCarbonSteelHeat-ExchangerandCondenserTubes
【原文标准名称】:热交换器与冷凝器用电阻焊接碳素钢管规范
【标准号】:ANSI/ASTMA214/A214M-1996
【标准状态】:作废
【国别】:美国
【发布日期】:1996
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:管;钢;管道
【英文主题词】:steels;pipes;pipelines
【摘要】:
【中国标准分类号】:J73
【国际标准分类号】:23_040_10
【页数】:
【正文语种】:英语