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【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】:Recommendationsforthepresentationofplasticsdesigndata-Otherproperties-Density
【原文标准名称】:塑料设计数据表示方法推荐标准.第5部分:其它特性.第1节:密度
【标准号】:BS4618-5.1-1970
【标准状态】:现行
【国别】:英国
【发布日期】:1970-08-15
【实施或试行日期】:1970-08-15
【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】:国际单位制;产品设计;高聚物;密度测量;数据组织;试样制备;设计;数据表示;塑料;密度
【英文主题词】:productdesign;specimenpreparation;plastics;design;sisystem(metric);datarepresentation;densitymeasurement;polymers;density;dataorganization
【摘要】:1.DEFINITION2.PROCEDURES3.FORMOFPRESENTATION
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:2P;A4
【正文语种】:英语