BS 5688-27-1986 工业用原硼酸(硼酸),三氧化二硼(氧化硼),四硼酸二钠,高硼酸钠与粗硼酸钠的试验方法.粗硼酸钠中二氧化硅总含量和可溶于碱的二氧化硅含量的测定

上一篇: NF C26-204-1986 电气绝缘系统耐电性评定
下一篇: BS 5688-29-1986 工业用原硼酸(硼酸),三氧化二硼(氧化硼),四硼酸二钠,高硼酸钠与粗硼酸钠的试验方法.粗硼酸钠中钙与镁总含量和可溶于碱的钙与镁含量测定(滴定法)

【英文标准名称】:Nuclearenergy-Referencebeta-particleradiation-Calibrationofareaandpersonaldosemetersandthedeterminationoftheirresponseasafunctionofbetaradiationenergyandangleofincidence
【原文标准名称】:核能.参考β粒子辐射.β辐射能量函数和入射角度的区域校准及个人剂量计和它们响应的测定
【标准号】:BSISO6980-3-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-10-31
【实施或试行日期】:2006-10-31
【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】:β辐射;β粒子;校正;定义;剂量;人均剂量;剂量计;测量;核能;核动力;个人剂量计;人员;辐射;辐射场;辐射测量;辐射计;放射性核素;风险区域
【英文主题词】:Betaradiation;Beta-particles;Calibration;Definition;Definitions;Dose;Doseperperson;Dosimeters;Measurement;Nuclearenergy;Nuclearpower;Personaldosimeters;Personnel;Radiation;Radiationfields;Radiationmeasurement;Radiationmeters;Radionuclides;Riskarea
【摘要】:ThispartofISO6980describesproceduresforcalibratinganddeterminingtheresponseofdosemetersanddoseratemetersintermsoftheInternationalCommissiononRadiationUnitsandMeasurements(ICRU)operationalquantitiesforradiationprotectionpurposes.However,asnotedinICRUReport56,theambientdoseequivalent,H(10),usedforareamonitoringofstronglypenetratingradiation,isnotanappropriatequantityforanybetaradiation,eventhatwhichpenetrates10mmoftissue(Emax>2MeV).Forbetaparticles,thecalibrationandthedeterminationoftheresponseofdosemetersanddoseratemetersisessentiallyathree-stepprocess.First,thebasicfieldquantity,absorbeddosetotissueatadepthof0,07mminatissue-equivalentslabgeometryismeasuredatthepointoftest,usingmethodsdescribedinISO6980-2.Then,theappropriateoperationalquantityisderivedbytheapplicationofaconversioncoefficientthatrelatesthequantitymeasured(referenceabsorbeddose)totheselectedoperationalquantityfortheselectedirradiationgeometry.Finally,thereferencepointofthedeviceundertestisplacedatthepointoftestforthecalibrationanddeterminationoftheresponseofthedosemeter.Dependingonthetypeofdosemeterundertest,theirradiationiseithercarriedoutonaphantomorfree-in-airforpersonalandareadosemetersrespectively.Forindividualandareamonitoring,thispartofISO6980describesthemethodsandtheconversioncoefficientstobeusedforthedeterminationoftheresponseofdosemetersanddoseratemetersintermsoftheICRUoperationalquantitiesdirectionaldoseequivalent,H(0.07Ω)andpersonaldoseequivalent,Hp(0,07).ThispartofISO6980isaguideforthosewhocalibrateprotection-leveldosemetersanddoseratemeterswithbeta-referenceradiationanddeterminetheirresponseasafunctionofbeta-particleenergyandangleofincidence.Suchmeasurementscanrepresentpartofatypetestduringthecourseofwhichtheeffectofotherinfluencequantitiesontheresponseisexamined.ThispartofISO6980doesnotcovertheinsitucalibrationoffixed,installedareadosemeters.Theterm"dosemeter"isusedasagenerictermdenotinganydoseordoseratemeterforindividualorareamonitoring.Inadditiontothedescriptionofcalibrationprocedures,thispartofISO6980includesrecommendationsforappropriatephantomsandthewaytodetermineappropriateconversioncoefficients.Guidanceisprovidedonthestatementofmeasurementuncertaintiesandthepreparationofcalibrationrecordsandcertificates.
【中国标准分类号】:A58
【国际标准分类号】:17_240
【页数】:32P.;A4
【正文语种】:英语


【英文标准名称】:SpecificationforChlorinatedPoly(VinylChloride)/Aluminum/ChlorinatedPoly(VinylChloride)(CPVC-AL-CPVC)CompositePressureTubing
【原文标准名称】:氯化聚乙烯(氯化乙烯)/铝/氯化聚乙烯(氯化乙烯)(CPVC-AL-CPVC)复合材料压力管规范
【标准号】:ANSI/ASTMF2855-2011
【标准状态】:作废
【国别】:美国
【发布日期】:2011
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:送水管(消防);高压;管道;塑料管道;塑料导管;塑料管;聚氯乙烯;压力管;管道
【英文主题词】:Deliverypipes(firefighting);Highpressure;Pipelines;Plasticpipelines;Plastictubes;Polyvinylchloride;Pressurepipes;Tubing
【摘要】:
【中国标准分类号】:G33
【国际标准分类号】:23_040_20
【页数】:
【正文语种】:英语