BS IEC 61577-4-2009 辐射防护仪表.氡和氡降解产品的测量仪器.包含氡同位素及其降解产品的参考环境制品用设备(STAR)
时间:2024-05-19 04:57:09 来源: 标准资料网 作者：标准资料网 阅读：8788
【英文标准名称】:Radiationprotectioninstrumentation-Radonandradondecayproductmeasuringinstruments-Equipmentfortheproductionofreferenceatmospherescontainingradonisotopesandtheirdecayproducts(STAR)
【原文标准名称】:辐射防护仪表.氡和氡降解产品的测量仪器.包含氡同位素及其降解产品的参考环境制品用设备(STAR)
【标准号】:BSIEC61577-4-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-03-31
【实施或试行日期】:2009-03-31
【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】:校准;定义;电气工程;0族元素;仪器装置;测量;测量仪器;测量技术;核反应堆;辐射防护;辐射防护控制;辐射防护测量;放射性;放射性物质;氡;反应堆装置;规范(验收);试验
【英文主题词】:Calibration;Definitions;Electricalengineering;Group0elements;Instrumentation;Measurement;Measuringinstruments;Measuringtechniques;Nuclearreactors;Radiationprotection;Radiationprotectioncontrol;Radiationprotectionmeasurement;Radioactive;Radioactivematerials;Radon;Reactorinstrumentation;Specification(approval);Testing
【摘要】:
【中国标准分类号】:F84
【国际标准分类号】:
【页数】:32P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforDeterminingThermalResistanceofBuildingEnvelopeComponentsfromtheIn-SituData
【原文标准名称】:通过现场数据测定建筑包覆物的热阻的标准实施规程
【标准号】:ASTMC1155-1995(2007)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:C16.30
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:热阻;门窗头线条板;元部件
【英文主题词】:calculation;heatflow;heatfluxtransducers;HFT;in-situ;meantemperature;measurement;thermalresistance
【摘要】:1.1Thispracticecovershowtoobtainandusedatafromin-situmeasurementoftemperaturesandheatfluxesonbuildingenvelopestocomputethermalresistance.ThermalresistanceisdefinedinTerminologyC168intermsofsteady-stateconditionsonly.Thispracticeprovidesanestimateofthatvaluefortherangeoftemperaturesencounteredduringthemeasurementoftemperaturesandheatflux.1.2Thispracticepresentstwospecifictechniques,thesummationtechniqueandthesumofleastsquarestechnique,andpermitstheuseofothertechniquesthathavebeenproperlyvalidated.ThispracticeprovidesameansforestimatingthemeantemperatureofthebuildingcomponentforestimatingthedependenceofmeasuredR-valueontemperatureforthesummationtechnique.Thesumofleastsquarestechniqueproducesacalculationofthermalresistancewhichisafunctionofmeantemperature.1.3Eachthermalresistancecalculationappliestoasubsectionofthebuildingenvelopecomponentthatwasinstrumented.Eachcalculationappliestotemperatureconditionssimilartothoseofthemeasurement.Thecalculationofthermalresistancefromin-situdatarepresentsin-serviceconditions.However,fieldmeasurementsoftemperatureandheatfluxmaynotachievetheaccuracyobtainableinlaboratoryapparatuses.1.4Thispracticepermitscalculationofthermalresistanceonportionsofabuildingenvelopethathavebeenproperlyinstrumentedwithtemperatureandheatfluxsensinginstruments.Thesizeofsensorsandconstructionofthebuildingcomponentdeterminehowmanysensorsshallbeusedandwheretheyshouldbeplaced.Becauseofthevarietyofpossibleconstructiontypes,sensorplacementandsubsequentdataanalysisrequirethedemonstratedgoodjudgmentoftheuser.1.5Eachcalculationpertainsonlytoadefinedsubsectionofthebuildingenvelope.Combiningresultsfromdifferentsubsectionstocharacterizeoverallthermalresistanceisbeyondthescopeofthispractice.1.6Thispracticesetscriteriaforthedata-collectiontechniquesnecessaryforthecalculationofthermalproperties(seeNote1).Anyvalidtechniquemayprovidethedataforthispractice,buttheresultsofthispracticeshallnotbeconsideredtobefromanASTMstandard,unlesstheinstrumentationtechniqueitselfisanASTMstandard.Note18212;CurrentlyonlyPracticeC1046canprovidethedataforthispractice.Italsooffersguidanceonhowtoplacesensorsinamannerrepresentativeofmorethanjusttheinstrumentedportionsofthebuildingcomponents.1.7Thispracticepertainstolight-throughmedium-weightconstructionasdefinedbyexamplein5.8.Thecalculationsapplytotherangeofindoorandoutdoortemperaturesobserved.1.8ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.9Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P31
【国际标准分类号】:91_120_10
【页数】:8P.;A4
【正文语种】:
【英文标准名称】:Medicalelectricalequipment-Part2-44:ParticularrequirementsforthesafetyofX-rayequipmentforcomputedtomography;Corrigendum1
【原文标准名称】:医用电气设备.第2-44部分:计算机断层摄影用X射线设备安全的特殊要求.勘误1
【标准号】:IEC60601-2-44Corrigendum1-2006
【标准状态】:作废
【国别】:国际
【发布日期】:2006-04
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC62B
【标准类型】:()
【标准水平】:()
【中文主题词】:随附表格;分类系统;计算机断层摄影;诊断设备;介电强度;文献工作;剂量;电气工程;医用电气设备;电气保护设备;电气安全;电医学;供能系统(建筑物);环境条件;人用的药物;使用说明;辐照器;乳腺X射线摄影术;作标记;机械安全;医疗设备;医疗放射照相术;医学放射学;医学科学;医疗技术学;辐射防护;放射疗法;安全;安全要求;规范(验收);试验;治疗学;X射线仪;X射线设备;X射线检查;X射线发生器;断层摄影用X射线;X射线电子管;X射线
【英文主题词】:Accompanyingforms;Classificationsystems;Computedtomography;Diagnosticequipment;Dielectricstrength;Dose;Electricalengineering;Electricalmedicalequipment;Electricalprotectionequipment;Electricalsafety;Electromedicine;Energysupplysystems(buildings);Environmentalconditions;Humanmedicine;Inscription;Instructionsforuse;Irradiationapparatus;Mammography;Marking;Mechanicalsafety;Medicalequipment;Medicalradiography;Medicalradiology;Medicalsciences;Medicaltechnology;Operationalinstructions;Radiationprotection;Radiotherapy;Safety;Safetyrequirements;Specification(approval);Testing;Therapeutics;X-rayapparatus;X-rayequipment;X-rayexamination;X-raygenerators;X-raytomography;X-raytubes;X-rays
【摘要】:ThisstandardisMedicalelectricalequipment-Part2-44:ParticularrequirementsforthesafetyofX-rayequipmentforcomputedtomography;Corrigendum1.
【中国标准分类号】:C43
【国际标准分类号】:11_040_50
【页数】:1P;A4
【正文语种】:英语