【英文标准名称】:BimetallicActuatedThermometers
【原文标准名称】:双金属精密温度计
【标准号】:ANSI/ASMEB40.3-1997
【标准状态】:作废
【国别】:美国
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:温度测量;温度计
【英文主题词】:temperaturemeasurement;thermometers
【摘要】:Pertainstoanalog,dialtypebimetallicthermometers,utilizinghelicalbimetallicelementsthatmechanicallysensetemperatureandindicateitbymeansofapointermovingoverascale.
【中国标准分类号】:N11
【国际标准分类号】:17_200_20
【页数】:
【正文语种】:英语


【英文标准名称】:Stationarysourceemissions-Determinationofthemassconcentrationofnitrogenoxides-Naphthylethylenediaminephotometricmethod
【原文标准名称】:固定源辐射.氮氧化合物质量浓度的测定.萘二胺光度测定法
【标准号】:BSISO11564-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-06-15
【实施或试行日期】:1998-06-15
【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】:
【英文主题词】:Air;Determinationofcontent;Emissions;Gasanalysis;Mass;Measuringsystems;Nitrogenoxides;Performancetests;Quality
【摘要】:ThisInternationalStandardspecifiesaphotometricmethodforthedeterminationofthemassconcentrationofnitrogenoxidesinexhaustgasesfromductsorchimneys.NOTE—Nitrogenoxides(NOx)arepracticallydefinedasthesumofNOandNO2.ThemassconcentrationofNOxisexpressedastheequivalentNO2concentrationinmilligramspercubicmetre.Themethodisapplicabletothedeterminationofthemassconcentrationofnitrogenoxidesinexhaustgasesfromcombustionprocesses,processesforsurfacetreatmentofmetalsandfromorganicchemicalreactions,ifnecessaryafterremovalbywashing,in-furnacereductionand/orcatalyticdenitration,priortotheirdispersionintotheatmosphere.ThisInternationalStandardisapplicabletotheconcentrationrange5mg/mto1000mg/masNO2forasamplegasvolumeof1000ml.Forgasconcentrationsgreaterthan1000mg/m,thedeterminationofsamplegasconcentrationsupto5000mg/mcanbeperformedbydilutingthesamplesolutionorbytakinganaliquotofthesamplesolution.ThisInternationalStandardisnotapplicabletothedeterminationofdinitrogenmonoxide(N2O).
【中国标准分类号】:G04
【国际标准分类号】:13_040_40
【页数】:24P;A4
【正文语种】:英语