【英文标准名称】:Non-destructivetesting-CharacteristicsoffocalspotsinindustrialX-raysystemsforuseinnon-destructivetesting-MeasurementoftheeffectivefocalspotsizeofminiandmicrofocusX-raytubes
【原文标准名称】:无损检验.无损检验用工业X射线系统的焦点特性.小型和微型聚焦X射线管有效焦点尺寸测量
【标准号】:BSEN12543-5-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-12-15
【实施或试行日期】:1999-12-15
【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】:放射性试验;试样;试验条件;无损检验;辐射摄影术;曝光时间;X射线电子管;X射线仪;大小测量;尺寸测量;工业的;长度;电子管;焦点
【英文主题词】:Characteristics;Definition;Definitions;Dissolution;Focalspotdimension;Focalspots;Imagequality;Industries;Inspection;Interpretations;Materialstesting;Measurement;Measuringdevices;Non-destructive;Non-destructivetesting;Qualityassurance;Radiationprotection;Radiationprotectionrules;Radiographs;Radiography;Radiology;Radiometry;Safetyengineering;Safetyrequirements;Specification(approval);Testpieces;Testing;Testingdevices;Vocabulary;X-rayapparatus;X-rayequipment;X-rayplants;X-raytubes
【摘要】:ThisEuropeanStandardspecifiesamethodforthemeasurementoffocalspotdimensionswithintherangeof5μmto300μmofX-raysystemsuptoandincluding225kVtubevoltage,bymeansofradiographsofsharpedges.TheimagequalityandtheresolutionofX-rayimageshighlydependonthecharacteristicsofthefocalspot.Theimagingqualitiesofthefocalspotarebasedonthetwodimensionalintensitydistributionintheobjectplane.Forcertificationpurposestheradiographictechniqueisused.NOTEThesameprocedurecanbeusedathigherkilovoitagesbyagreementbuttheaccuracyofthemeasurementmaybepoorer.
【中国标准分类号】:H26
【国际标准分类号】:19_100
【页数】:14P.;A4
【正文语种】:英语


【英文标准名称】:StandardConsumerSafetyPerformanceSpecificationforStationaryActivityCenters
【原文标准名称】:固定活动中心的消费者安全性能标准规范
【标准号】:ASTMF2012-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:F15.17
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:儿童娱乐场;家用的;性能规范;游乐场器材;安全;安全要求;玩具
【英文主题词】:infantwalkeralternative;stationaryactivitycenter
【摘要】:1.1Thisconsumersafetyperformancespecificationcoversperformancerequirements,testmethodsandmarkingrequirementstopromotesafeuseofastationaryactivitycenterbyanoccupant.1.2Thisconsumersafetyperformancespecificationisintendedtominimizetheriskofincidentstoanoccupantresultingfromnormaluseandreasonablyforeseeablemisuseorabuseofastationaryactivitycenter.1.3Nostationaryactivitycenterproducedaftertheapprovaldateofthisconsumersafetyperformancespecificationshall,eitherbylabelorothermeans,indicatecompliancewiththisspecificationunlessitconformstoallrequirementscontainedherein.1.4Thisconsumersafetyperformancespecificationisnotintendedtoaddressincidentsandinjuriesresultingfromtheinteractionofotherpersonswiththechildoccupantinthestationaryactivitycenterortheincidentsresultingfromabuseandmisusebychildrenabletowalk.1.5Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.Thefollowingprecautionarycaveatpertainsonlytothetestmethodsportion,Section7,ofthisconsumersafetyperformancespecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y57
【国际标准分类号】:97_190;97_190
【页数】:8P.;A4
【正文语种】: