ISO 902-1976 主要用于铝生产的氧化铝休止角的测定
时间:2024-05-14 00:46:07 来源: 标准资料网 作者：标准资料网 阅读：8143
【英文标准名称】:Aluminiumoxideprimarilyusedfortheproductionofaluminium;Measurementoftheangleofrepose
【原文标准名称】:主要用于铝生产的氧化铝休止角的测定
【标准号】:ISO902-1976
【标准状态】:现行
【国别】:国际
【发布日期】:1976-09
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC47
【标准类型】:()
【标准水平】:()
【中文主题词】:生产;试验;氧化铝;休止角;铝;测量
【英文主题词】:Aluminium;Aluminiumoxide;Measurement;Production;Testing;Tests
【摘要】:Theprincipleconsistsinmeasurementoftheangleofrestonthebasisoftheconeofbulkmaterialobtainedbypassingtheproductthroughafunnelfromaconventionalheightonahorizontalandabsolutlyevenplate.ReplacesISORecommendationR902-1968.
【中国标准分类号】:G10
【国际标准分类号】:71_100_10
【页数】:4P;A4
【正文语种】:英语
【英文标准名称】:Informationtechnology.InternationalstandardizedprofilesAFTnn.Filetransfer,accessandmanagement.AFT12.Positionalfiletransferservice(flat)
【原文标准名称】:信息技术.国际标准化协议AFTnn.文件传送、存取和管理.第4部分:AFT12.位置文档传送服务(普通)
【标准号】:BSISO/IECISP10607-4-1991
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:英国标准学会(GB-BSI)
【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】:
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:StandardTestMethodforCalibrationofaSpectroradiometerUsingaStandardSourceofIrradiance
【原文标准名称】:用标准辐射源校准分光辐射度计的标准试验方法
【标准号】:ASTMG138-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:G03.09
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:辐照度;分光辐射度计;试验
【英文主题词】:calibration;irradiance;spectral;spectroradiometer
【摘要】:Thismethodisintendedforusebylaboratoriesperformingcalibrationofaspectroradiometerforspectralirradiancemeasurementsusingaspectralirradiancestandardofknownspectralirradiancevaluestraceabletoanationalmetrologicallaboratorythathasparticipatedinintercomparisonsofstandardsofspectralirradiance,knownuncertaintiesandknownmeasurementgeometry.Thismethodisgeneralizedtoallowfortheuseofdifferenttypesofinputopticsprovidedthatthoseinputopticsaresuitableforthewavelengthrangeandmeasurementgeometryofthecalibration.Thismethodisgeneralizedtoallowfortheuseofdifferenttypesofmonochromatorsprovidedthattheycanbeconfiguredforabandwidth,wavelengthrange,andthroughputlevelssuitableforthecalibrationbeingperformed.Thismethodisgeneralizedtoallowfortheuseofdifferenttypesofopticalradiationdetectorsprovidedthatthespectralresponseofthedetectoroverthewavelengthrangeofthecalibrationisappropriatetothesignallevelsproducedbythemonochromator.1.1Thistestmethodcoversthecalibrationofspectroradiometersforthemeasurementofspectralirradianceusingastandardofspectralirradiancethatistraceabletoanationalmetrologicallaboratorythathasparticipatedinintercomparisonsofstandardsofspectralirradiance.1.2Thismethodisnotlimitedbytheinputopticsofthespectroradiometricsystem.However,choiceofinputopticsaffectstheoveralluncertaintyofthecalibration.1.3Thismethodisnotlimitedbythetypeofmonochromatororopticaldetectorusedinthespectroradiometersystem.Partsofthemethodmaynotapplytodeterminewhichpartsapplytothespecificspectroradiometerbeingused.Itisimportantthatthechoiceofmonochromatoranddetectorbeappropriateforthewavelengthrangeofinterestforthecalibration.Thoughthemethodgenerallyappliestophotodiodearraydetectorbasedsystems,theusershouldnotethatthesetypesofspectroradiometersoftensufferfromstraylightproblemsandhavelimiteddynamicrange.Diodearrayspectroradiometersarenotrecommendedforuseintheultravioletrangeunlessthesespecificproblemsareaddressed.1.4Thecalibrationdescribedinthismethodemploystheuseofastandardofspectralirradiance.Thestandardofspectralirradiancemusthaveknownspectralirradiancevaluesatgivenwavelengthsforaspecificinputcurrentandclearlydefinedmeasurementgeometry.Uncertaintiesmustalsobeknownforthespectralirradiancevalues.Thevaluesassignedtothisstandardmustbetraceabletoanationalmetrologicallaboratorythathasparticipatedinintercomparisonsofstandardsofspectralirradiance.Thesestandardsmaybeobtainedfromanumberofnationalstandardslaboratoriesandcommerciallaboratories.Thespectralirradiancestandardsconsistmainlyoftungstenhalogenlampswithcoiledfilamentsenclosedinaquartzenvelope,thoughothertypesoflampsareused.Standardscanbeobtainedwithcalibrationvaluescoveringallorpartofthewavelengthrangefrom200to4500nm.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N52
【国际标准分类号】:19_100
【页数】:8P.;A4
【正文语种】: