基本信息
标准名称: | 电热设备基本技术条件 第三部分 感应电热设备 |
英文名称: | Basic specifications for electroheat installations; Part 3: Induction electroheat installations |
中标分类: |
电工 >>
电气设备与器具 >>
工业电热设备 |
ICS分类: |
机械制造 >>
工业炉 >>
电炉
|
替代情况: | JB 2252-1978 JB 2415-1978;被GB/T 10067.3-2005代替 |
发布部门: | 中国电器工业协会 |
发布日期: | 1988-12-10 |
实施日期: | 1989-07-01 |
首发日期: | 1988-12-10 |
作废日期: | 2006-04-01 |
主管部门: | 中国电器工业协会 |
归口单位: | 全国工业电热设备标准化技术委员会 |
起草单位: | 西安电炉研究所 |
出版日期: | 1900-01-01 |
页数: | 0 |
适用范围
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前言
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目录
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引用标准
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所属分类: 电工 电气设备与器具 工业电热设备 机械制造 工业炉 电炉
【英文标准名称】:StandardTestMethodforDeterminationofRadonDecayProductConcentrationandWorkingLevelinIndoorAtmospheresbyActiveSamplingonaFilter
【原文标准名称】:通过过滤器主动取样测定室内空气中氡衰变产品浓度和环境等级的标准试验方法
【标准号】:ASTMD6327-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D22.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:grabsampling;indoorair;radon;workinglevel;Samplingair/atmosphericmaterials/applications;Activesamplermethodology;Grabsampling;Indoorairanalysis;Radon
【摘要】:ThetestmethodprovidesarelativelysimplemethodfordeterminationoftheconcentrationofRDPwithouttheneedforspecialtyequipmentbuiltexpresslyforsuchpurposes.UsingthistestmethodwillaffordinvestigatorsofradonindwellingsatechniquebywhichtheRDPcanbedetermined.Theuseoftheresultsofthistestmethodaregenerallyfordiagnosticpurposesandarenotnecessarilyindicativeofresultsthatmightbeobtainedbylongertermmeasurementmethods.Animprovedunderstandingofthefrequencyofelevatedradoninbuildingsandthehealtheffectofexposurehasincreasedtheimportanceofknowledgeofactualexposures.ThemeasurementofRDP,whicharethedirectcauseofpotentialadversehealtheffects,shouldbeconductedinamannerthatisuniformandreproducible;itistothisendthatthistestmethodisaddressed.1.1Thistestmethodprovidesinstructionforusingthegrabsamplingfiltertechniquetodetermineaccurateandreproduciblemeasurementsofindoorradondecayproduct(RDP)concentrationsandoftheworkinglevelvaluecorrespondingtothoseconcentrations.1.2MeasurementsmadeinaccordancewiththistestmethodwillproduceRDPconcentrationsrepresentativeofclosed-buildingconditions.Resultsofmeasurementsmadeunderclosed-buildingconditionswillhaveasmallervariabilityandaremorereproduciblethanmeasurementsobtainedwhenbuildingconditionsarenotcontrolled.Thistestmethodmaybeutilizedundernon-controlledconditions,butagreaterdegreeofvariabilityintheresultswilloccur.Variabilityintheresultsmayalsobeanindicationoftemporalvariabilitypresentatthesamplingsite.1.3Thistestmethodutilizesashortsamplingperiodandtheresultsareindicativeoftheconditionsonlyattheplaceandtimeofsampling.Theresultsobtainedbythistestmethodarenotnecessarilyindicativeoflongertermsofsamplingandshouldnotbeconfusedwithsuchresults.Theaveragingofmultiplemeasurementsoverhoursanddayscan,however,provideusefulscreeninginformation.Individualmeasurementsaregenerallyobtainedfordiagnosticpurposes.1.4Therangeofthetestmethodmaybeconsideredfrom0.0005WLtounlimitedworkinglevels(WL),andfrom40Bq/m3tounlimitedforeachindividualrandondecayproduct.1.5Thistestmethodprovidesinformationonequipment,procedures,andqualitycontrol.Itprovidesformeasurementswithintypicalresidentialorbuildingenvironmentsandmaynotnecessarilyapplytospecializedcircumstances,forexample,cleanrooms.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeSection9foradditionalprecautions.
【中国标准分类号】:C51
【国际标准分类号】:13_040_01
【页数】:5P.;A4
【正文语种】:英语