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【英文标准名称】:Stationarysourceemissions-Determinationoflowrangemassconcentrationofdust-Part2:Automatedmeasuringsystems;GermanversionEN13284-2:2004
【原文标准名称】:固定源辐射.粉尘的小范围质量浓度的测定.第2部分:自动测量系统
【标准号】:DINEN13284-2-2004
【标准状态】:现行
【国别】:德国
【发布日期】:2004-12
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:自动;粉尘排放;测量;固定的;空气污染;测量设备;尘埃;辐射;粉尘含量;测量技术;空气质量;质量浓度;颗粒物质的测定;流动;浓缩;定义
【英文主题词】:Airpollution;Airquality;Automatic;Concentration;Definition;Definitions;Dust;Dustcontents;Dustemissions;Emission;Flow;Massconcentration;Measurement;Measuringequipment;Measuringtechniques;Particulatemattermeasurement;Stationary
【摘要】:ThisPartofEN13284specifiesspecificrequirementsonautomatedmeasuringsystems(AMS)fordustmonitoring.ItisderivedfromEN14181whichisthegeneraldocumentonthequalityassuranceofAMS.ItisonlyapplicableinconjunctionwithEN14181.ThestandardspecifiestestcriteriafortheQAL1andspecificrequirementsforQAL2,QAL3andASTfordustAMSusedforprovingthatthedustemissionsfromasourcearecompliantwithemissionlimitsbelow50mg/m3(standardconditions)inductedgaseousstreams.ThispartofEN13284isapplicablebydirectcorrelationwiththestandardreferencemethod(SRM)describedinEN13284-1.#,,#
【中国标准分类号】:Z33
【国际标准分类号】:13_040_40
【页数】:27P;A4
【正文语种】:德语


【英文标准名称】:Opticalfibres.Measurementmethodsandtestprocedures.Cut-offwavelength
【原文标准名称】:光学纤维.测量方法和试验规程.截止波长
【标准号】:BSEN60793-1-44-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-07-31
【实施或试行日期】:2011-07-31
【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】:
【英文主题词】:Cut-offwavelength;Dimensions;Electricalengineering;Fibreoptics;Measurement;Measuringtechniques;Monomodefibres;Opticalwaveguides;Testing;Wavelengths
【摘要】:ThispartofIEC60793establishesuniformrequirementsformeasuringthecut-offwavelengthofsingle-modeopticalfibre,therebyassistingintheinspectionoffibresandcablesforcommercialpurposes.Thisstandardgivesthemethodsformeasuringthecut-offwavelengthoffibreandcableTherearetwomethodsformeasuringcablecut-offwavelength,λcc:·MethodA:usinguncabledfibre;·MethodB:usingcabledfibre.Thereisonlyonemethod(MethodC)formeasuringfibrecut-offwavelength,λc.Thetestmethodinthisstandarddescribesproceduresfordeterminingthecut-offwavelengthofasamplefibreineitheranuncabledcondition(λc)orinacable(λcc).Threedefaultconfigurationsaregivenhere:anydifferentconfigurationwillbegiveninadetailspecification.TheseproceduresapplytoallcategoryBandCfibretypes(seeNormativereferences).Allmethodsrequireareferencemeasurement.Therearetworeference-scantechniques,eitherorbothofwhichmaybeusedwithallmethods:·bend-referencetechnique;·multimode-referencetechniqueusingcategoryA1multimodefibre.
【中国标准分类号】:M33
【国际标准分类号】:33_180_10
【页数】:26P.;A4
【正文语种】:英语