BS 4168-1-1981 内六角螺钉和板手.米制系列.第1部分:内六角圆柱头螺钉规范
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【英文标准名称】:Hexagonsocketscrewsandwrenchkeys:metricseries.Specificationforhexagonsocketheadcapscrews
【原文标准名称】:内六角螺钉和板手.米制系列.第1部分:内六角圆柱头螺钉规范
【标准号】:BS4168-1-1981
【标准状态】:作废
【国别】:英国
【发布日期】:1981-07-31
【实施或试行日期】:1981-07-31
【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】:直径;长度;六角形;螺钉;凹头紧固件;尺寸;帽罩头紧固件
【英文主题词】:dimensions;screws(bolts);length;cap-headfasteners;diameter;hexagonalshape;socket-headfasteners
【摘要】:Specifiesscrewswiththreaddiametersfrom1.6mmuptoandincluding36mm.
【中国标准分类号】:J13
【国际标准分类号】:21_060_10
【页数】:8P.;A4
【正文语种】:英语
【英文标准名称】:StandardGuideforIn-PlantPerformanceEvaluationofAutomaticPedestrianSNMMonitors
【原文标准名称】:行人区自动SNM监视器的内部性能评定标准指南
【标准号】:ASTMC993-1997(2003)
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:C26.12
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:监视器;行人区
【英文主题词】:gammaradiation;materialcontrolandaccountability;neutronradiation;nuclearmaterialsmanagement;radiationdetectors;radiationmonitors;safeguards;security
【摘要】:SNMmonitorsareaneffectiveandunobtrusivemeanstosearchpedestriansforconcealedSNM.FacilitysecurityplansuseSNMmonitorsasonemeanstopreventtheftorunauthorizedremovalofdesignatedquantitiesofSNMfromaccessareas.Dailytestingofthemonitorswithradioactivesourcesguaranteesonlythecontinuityofalarmcircuits.Thein-plantevaluationisawaytoestimatewhetheranacceptablelevelofperformancefordetectingchosenquantitiesofSNMisobtainedfromamonitorinroutineserviceorafterrepairorcalibration.Theevaluationverifiesacceptableperformanceordisclosesfaultsinhardwareorcalibration.Theevaluationusestestsourcesshieldedonlybynormalsourcefiltersandencapsulationand,perhaps,byinterveningportionsofthetransportingindividualrsquo;body.Thetransportingindividualalsoprovidesanotherformofshieldingwhenthebodyinterceptsenvironmentalradiationthatwouldotherwisereachthemonitorrsquo;detectors.Hence,transportingindividualsplayanimportantroleintheevaluationbyreproducinganimportantconditionofroutineoperation.Theevaluation,whenappliedasaroutine-operationalevaluation,providesevidenceforcontinuedcompliancewiththeperformancegoalsofsecurityplansorregulatoryguidance.Itistheresponsibilityoftheusersofthisevaluationtocoordinateitsapplicationwiththeappropriateregulatoryauthoritysothatmutuallyagreeableevaluationfrequency,testsources,wayoftransportingthetestsource,numberoftest-sourcepassages,andnuisance-alarm-rategoalsareused.Agreedwrittenproceduresshouldbeusedtodocumentthecoordination.1.1ThisguideisaffiliatedwithGuideC1112onspecialnuclearmaterial(SNM)monitors,GuideC1169onlaboratoryperformanceevaluation,andGuideC1189oncalibratingpedestrianSNMmonitors.Thisguidetoin-plantperformanceevaluationisacomparativelyrapidwaytoverifywhetherapedestrianSNMmonitorperformsasexpectedfordetectingSNMorSNM-liketestsources.1.1.1In-plantperformanceevaluationshouldnotbeconfusedwiththesimpledailyfunctionaltestrecommendedinGuideC1112.In-plantperformanceevaluationtakesplacelessoftenthandailytests,usuallyatintervalsrangingfromweeklytoonceeverythreemonths.In-plantevaluationsarealsomoreextensivethandailytestsandmayexaminebothamonitor''snuisancealarmrecordanditsdetectionsensitivityforaparticularSNMoralternativetestsource.1.1.2In-plantperformanceevaluationalsoshouldnotbeconfusedwithlaboratoryperformanceevaluation.In-plantevaluationiscomparativelyrapid,takesplaceinthemonitor''sroutineoperatingenvironment,anditsresultsarelimitedtoverifyingthatamonitorisoperatingasexpected,ortodisclosingthatitisnotandneedsrepairorrecalibration.1.2In-plantevaluationisonepartofaprogramtokeepSNMmonitorsinproperoperatingcondition.Everymonitorinafacilityisevaluated.Therearetwoapplicationsofthein-plantevaluation:oneusedduringroutineoperationandanotherusedaftercalibration.1.2.1RoutineOperationalEvaluation-Inthisformoftheevaluation,nuisancealarmrecordsforeachmonitorareexamined,andeachmonitor''sdetectionsensitivityisestimatedduringroutineoperation.Theroutineoperationalevaluationisintendedtoreassuretheplantoperator,andhisregulatoryagency,thatthemonitorisperformingasexpectedduringroutineoperation.Thisevaluationtakesplacewithoutpretesting,recalibration,orotheractivitythatmightchangethemonitor''soperation,andtheevaluationsimulatesthenormaluseofthemonitor.1.2.2Post-CalibrationEvaluation-Thisformoftheevaluationispartofamaintenanceprocedure;itshouldalwaysfollowscheduled......
【中国标准分类号】:M73
【国际标准分类号】:93_080_30
【页数】:7P.;A4
【正文语种】:
【英文标准名称】:CorrigendumtoDINENISO6508-1:1999-10
【原文标准名称】:DINENISO6508-1的技术勘误
【标准号】:DINENISO6508-1Berichtigung1-2000
【标准状态】:作废
【国别】:德国
【发布日期】:2000-05
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:金属;试验设备;材料试验;试验条件;试验;硬度测量;渗透法;曝光时间;洛氏硬度;洛氏硬度测量;硬度试验表;渗透探伤;洛氏(硬度);金属材料
【英文主题词】:materialtests;hardnessmeasurement;testequipment;penetrationmethods;testing;metals;metallicmaterials;exposuretime;hardeningtestsheets;rockwell;rockwellhardness;rockwellhardnessmeasurement;testingconditions;penetrantflawdetection
【摘要】:
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:1P.;A4
【正文语种】:德语
