【英文标准名称】:ACOUSTICS.PURE-TONEAUDIOMETRICTESTMETHODS.PART1:BASICPURETONEAIRANDBONECONDUCTIONTHRESHOLDAUDIOMETRY.
【原文标准名称】:声学.纯音试验方法.第1部分:基本纯音的空气和骨导阀值测听方法
【标准号】:NFS31-083-1-1993
【标准状态】:作废
【国别】:法国
【发布日期】:1993-03
【实施或试行日期】:1993-02-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:A42
【国际标准分类号】:
【页数】:15P;A4
【正文语种】:其他


【英文标准名称】:StandardTestMethodforTotalEvaporableMoistureContentofAggregatebyDrying
【原文标准名称】:用干燥法测定集料总含水量的标准试验方法
【标准号】:ASTMC566-1997(2004)
【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】:C09.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:含水量;集料;施工材料;干燥;建筑;试验
【英文主题词】:aggregate;drying;moisturecontent
【摘要】:Thistestmethodissufficientlyaccurateforusualpurposes,suchasadjustingbatchquantitiesofingredientsforconcrete.Itwillgenerallymeasurethemoistureinthetestsamplemorereliablythanthesamplecanbemadetorepresenttheaggregatesupply.Incaseswheretheaggregateitselfisalteredbyheat,orwheremorerefinedmeasurementisrequired,thetestshouldbeconductedusingaventilated,controlledtemperatureoven.Largeparticlesofcoarseaggregate,especiallythoselargerthan50mm(2in.),willrequiregreatertimeforthemoisturetotravelfromtheinterioroftheparticletothesurface.Theuserofthistestmethodshoulddeterminebytrialifrapiddryingmethodsprovidesufficientaccuracyfortheintendedusewhendryinglargesizeparticles.1.1Thistestmethodcoversthedeterminationofthepercentageofevaporablemoistureinasampleofaggregatebydrying,bothsurfacemoistureandmoistureintheporesoftheaggregate.Someaggregatemaycontainwaterthatischemicallycombinedwiththemineralsintheaggregate.Suchwaterisnotevaporableandisnotincludedinthepercentagedeterminedbythistestmethod.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesstatedinparenthesesareprovidedforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionarystatements,see5.3.1,7.2.1,and7.3.1.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_01
【页数】:3P.;A4
【正文语种】: