ANSI/ASTM F2434-2004 Sdr9交联聚乙烯管和Sdr9交联聚乙烯/铝/交联聚乙烯管用卷曲铜环的金属插件规范
作者:标准资料网 时间:2024-05-12 11:39:42 浏览:9139
来源:标准资料网
【英文标准名称】:SpecificationforMetalInsertFittingsUtilizingaCopperCrimpRingforSdr9Cross-linkedPolyethylene(PEX)TubingandSdr9Cross-linkedPolyethylene/aluminum/cross-linkedPolyethylene(PEX-AL-PEX)Tubing
【原文标准名称】:Sdr9交联聚乙烯管和Sdr9交联聚乙烯/铝/交联聚乙烯管用卷曲铜环的金属插件规范
【标准号】:ANSI/ASTMF2434-2004
【标准状态】:作废
【国别】:美国
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:插件;铝;十字型接管;环;管道;交联;聚乙烯;PE-X;卷曲型;配件;金属;铜
【英文主题词】:Aluminium;Copper;Crimptype;Crosses;Cross-linked;Fittings;Insert;Metals;PE-X;Polyethylene;Rings;Tubing
【摘要】:
【中国标准分类号】:J15
【国际标准分类号】:23_040_45
【页数】:
【正文语种】:英语
【英文标准名称】:StandardGuideforDeterminationofChemicalElementsinFluidCatalyticCrackingCatalystsbyX-rayFluorescenceSpectrometry(XRF)
【原文标准名称】:X射线荧光光谱法(XRF)测定流化床催化裂化催化剂中的化学元素的标准指南
【标准号】:ASTMD7085-2004(2010)e1
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:D32.03
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:catalysts;fluidcatalyticcracking(FCC);X-rayfluorescencespectrometry(XRF);Chemicalelements;Fluidcatalyticcracking(FCC)catalysts;X-rayspectrometry;XRF(X-rayfluorescence)
【摘要】:ThechemicalcompositionoffreshFCCcatalystandequilibriumFCCcatalystisapredictorofcatalystperformance.TheanalysisofcatalystfinesalsoprovidesinformationontheperformanceoftheFCCunitandthefinescollectiondevice(s).ThechemicalcompositionofequilibriumFCCcatalystisameasureofthehazardousnatureortoxicityofthematerialforpurposesofdisposalorsecondaryuse.1.1Thisguidecoversseveralcomparableproceduresforthequantitativechemicalanalysisofupto29elementsinfluidcatalyticcracking(FCC)catalystbyX-rayfluorescencespectrometry(XRF).Additionalelementsmaybeadded.1.2ThisguideisapplicabletofreshFCCcatalyst,equilibriumFCCcatalyst,spentFCCcatalyst,andFCCcatalystfines.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3.1Theunitsofppm(mg/kg)areusedinsteadofwt%inTablesX2.3-X2.5forreportingconcentrationofcertainelementsbecauseofindustryconventionandbecausemostoftheseelementsarepresentattracelevels.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequirementspriortouse.8.1AtestmethodexampleisprovidedfortheanalysisofnickelandvanadiuminequilibriumFCCcatalystusingeitherawavelengthoranenergy-dispersiveX-rayspectrometerandtestspecimenspreparedbythepressedpellettechnique.8.2Thistechniquecanbeextendedtootherelements.16.1AtestmethodexampleisprovidedfortheanalysisofnickelandvanadiuminequilibriumFCCcatalystusingeitherawavelengthoranenergy-dispersiveX-rayspectrometerandusingtestspecimenspreparedbythefusedbeadtechnique.
【中国标准分类号】:G75
【国际标准分类号】:71_040_50
【页数】:10P.;A4
【正文语种】:英语
【英文标准名称】:Guidetotheacquisitionandmanagementofmeteorologicalprecipitationdata-Specificationforraingauges-Storageraingauges-Storageraingauges
【原文标准名称】:气象降水数据的采集和管理指南.雨量计规范.蓄水式雨量计
【标准号】:BS7843-3.1-1999
【标准状态】:作废
【国别】:英国
【发布日期】:1999-11-15
【实施或试行日期】:1999-11-15
【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】:漏泄试验;设计;雨量计;降水;降雨;作标记;量油杆;气象测量;组装;雪;沉积尺;连接;气象学;罐;尺寸
【英文主题词】:Assembling;Cans;Depositgauges;Design;Dimensions;Dipsticks;Joints;Leaktests;Marking;Meteorologicalmeasurement;Meteorology;Precipitation(atmospheric);Raingauges;Rainfall;Snow
【摘要】:ThispartofBS7843givesspecificationsfortheconstructionofthreetypesofstorageraingaugesandtwosizesofrainmeasureswhichshouldbeusedwiththem.AbroadcomparisonofthesizesandshapesofthethreetypesofstorageraingaugespecifiedinBS7843isgiven,andthedetailedconstructionofthesethreetypesofraingauge,togetherwiththatoftheassociatedrainmeasures,isspecified.
【中国标准分类号】:N95
【国际标准分类号】:07_060
【页数】:28P.;A4
【正文语种】:英语
