NF S12-134-1-2005 光学和光学仪器.焦距计校正用检验镜头.第1部分:测量眼镜镜片的焦距计用检验镜头

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【英文标准名称】:RadiationProtectionInstrumentationTestandCalibration,PortableSurveyInstruments
【原文标准名称】:辐射防护仪器的试验和校准,便携式调查仪器
【标准号】:IEEEN323A-1997
【标准状态】:现行
【国别】:美国
【发布日期】:1997-01-01
【实施或试行日期】:
【发布单位】:美国电气电子工程师学会(US-IEEE)
【起草单位】:IEEE
【标准类型】:()
【标准水平】:()
【中文主题词】:α辐射线;β辐射;校准;定义(术语);剂量计;致电离辐射;测量仪器;中子射线;核技术;光子束;便携的;辐射测量;辐射防护;试验
【英文主题词】:Alpharadiation;Betaradiation;Calibration;Definitions;Dosimeters;Ionizingradiation;Measuringinstruments;Neutronradiation;Nucleartechnology;Photonbeams;Portable;Radiationmeasurement;Radiationprotection;Testing
【摘要】:Thisstandardestablishesspecificrequirementsforportableradiationprotectioninstrumentsusedfordetectionandmeasurementoflevelsofionizingradiationfieldsorlevelsofradioactivesurfacecontamination.Forpurposesofthisstandard,portableradiationprotectioninstrumentsarethosebattery-poweredinstrumentsthatarecarriedtoaspecificfacilityorlocationforuse.NOTE--Theseinstrumentsarenormallyheldduringoperation.Countratemetersandsealers,whenusedwithanappropriateprobeforquantifyingactivity,canbeconsideredportableradiationprotectioninstrumentsandtreatedasasingleunitforthepurposesofthisstandard.Specificrequirementsforcalibrationoflow-range[i.e.,nearbackgroundto10μSv/h(1mrem/h)]1portablesurveyinstrumentswillbedetailedinANSIN323B(currentlyunderdevelopment).SpecificrequirementsforallairmonitoringinstrumentswillbedetailedinANSIN323C(currentlyunderdevelopment).Specificrequirementsforinstalledinstrumentsthatmeasuredoseordoseequivalent,ordoserateordoseequivalentrate,andACpoweredinstrumentsusedonlytodetectthepresenceofradioactivematerialcontaminationwillbedetailedinANSIN323D(currentlyunderdevelopment).Radiationprotectioninstrumentationprovidesdirectreadoutof,orreadoutproportionalto,doseordoseequivalent,doserateordoseequivalentrate,oractivityperunitarea(i.e.,effectiveprobearea).Includedareportablerateandintegratingdevicesforbeta,photon,andneutronradiations;andmonitorsforsurfacecontamination(alpha,beta,andphoton).Portableradiationprotectioninstrumentsintendedforuseinunderwatersurveyandmonitoringareincludedinthisstandard.Personneldosimeters(includingelectronicpocketdosimetersandhybridpocketdosimeters/doseequivalentratemeters)andenvironmentalmonitoringinstruments,otherthanportableinstrumentsusedtomeasurerad/horrem/hlevels,areoutsidethescopeofthisstandard.Radonmonitoringinstrumentsarenotwithinthescopeofthisstandard.Sincespecial-purposeinstrumentation,suchasemergencypost-accidentradiologicalmonitors,mayalsofallunderthescopeofoneormorerelatedANSIstandards,thisstandardisintendedtosupplementratherthanreplacethesestandards.Forexample,ANSIN42.17A-1989[133]setsforthrequirementsforinstrumentperformance.Ingeneral,radiationprotectioninstrumentationisconsideredtocoverthedoseanddoseequivalentraterangesforsurveymetersof10μGy/hto10Gy/h(1mrad/hto1000red/h)and10μSv/hto10Sv/h(1mrem/hto1000rein/h),andactivity-per-unit-arearangesforsurfacecontaminationmonitorsof2Bq/100cm2to20000Bn/100cm2(120dpm/100cm2to1.2x106dpm/100cm2).Throughoutthisstandard,threeverbshavebeenusedtoindicatetiledegreeofrigorintendedforeachspecificcriterion.Thewordshallisusedtodenotearequirement.Thewordshouldisusedtodenotearecommendation.Thewordmayisusedtodenoteapermissiblepractice.
【中国标准分类号】:
【国际标准分类号】:17_240
【页数】:24P.;A4
【正文语种】:英语


【英文标准名称】:Rubbercompoundingingredients-Determinationofmultipointnitrogensurfacearea(NSA)andstatisticalthicknesssurfacearea(STSA)
【原文标准名称】:橡胶配合料.多点氮表面积(NSA)和统计厚度表面积(STSA)的测定
【标准号】:BSISO18852-2005
【标准状态】:作废
【国别】:英国
【发布日期】:2005-08-01
【实施或试行日期】:2005-08-01
【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】:分析;面积测量;比表面积法;布鲁诺尔;炭黑;充电材料;化学性质;测定;艾米特;精整;气体吸附;解释;测量;测量技术;平盘;标准物质;橡胶;橡胶混合物;烟灰;表面性质;表面;测试;厚度
【英文主题词】:Analysis;Areameasurement;BETmethod;Brunauer;Carbonblack;Chargematerials;Chemicalproperties;Determination;Emmett;Finishes;Gasadsorption;Interpretations;Measurement;Measuringtechniques;Plates(tableware);Referencematerials;Rubber;Rubbermixture;Soot;Surfaceproperties;Surfaces;Testing;Thickness
【摘要】:ISO18852:2005specifiesamethodforthedeterminationofthenitrogensurfacearea(NSA)ofcarbonblacksandotherrubbercompoundingingredients,likesilicasandzincoxides,basedontheBrunauer,EmmettandTeller(BET)theoryofgasadsorptionusingamultipointdetermination.Thistestmethodspecifiesthesamplepreparationandtreatment,instrumentcalibration,requiredaccuracyandprecisionoftheexperimentaldata,andcalculationofthesurfacearearesultsfromthedataobtained.Alsogivenisaprocedureforcalculatingthestatisticalthicknesssurfacearea(STSA),otherwiseknownastheexternalsurfacearea.Thetestmethodspecifiedusesanautomaticvolumetricstatic-vacuumapparatus,thesurfaceareabeingcalculatedusingtheBETtheorybasedonmonolayermeasurements.
【中国标准分类号】:G34
【国际标准分类号】:83_040_20
【页数】:18P.;A4
【正文语种】:英语