BS 7020-5.1-1993 铁矿石分析.第5部分:硅含量测定方法.第1节:重力测定法
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【英文标准名称】:Analysisofironores-Methodsforthedeterminationofsiliconcontent-Gravimetricmethods
【原文标准名称】:铁矿石分析.第5部分:硅含量测定方法.第1节:重力测定法
【标准号】:BS7020-5.1-1993
【标准状态】:现行
【国别】:英国
【发布日期】:1993-10-15
【实施或试行日期】:1993-10-15
【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】:含量测定;浓度(化学);精密度;蒸发残余物测定;浓缩物;重量分析;试剂溶液;统计方法分析;烧结产品;金属矿;矽;硅;团料;再现性;化学分析和试验;铁矿石
【英文主题词】:Chemicalanalysisandtesting;Determinationofcontent;Gravimetricanalysis;Ironores;Siliconcontent
【摘要】:Twomethodsforthedeterminationofsiliconcontentsbetween1%(m/m)and15%(m/m)(withcertainlimitations)ofironores.
【中国标准分类号】:D31
【国际标准分类号】:73_060_10
【页数】:16P.;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforFull-ScaleOxygenConsumptionCalorimetryFireTests
【原文标准名称】:完全氧燃烧热量测量火灾试验的标准实施规程
【标准号】:ASTME2067-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:E05.21
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:calorimetry;fire;full-scaletest;heatrelease;oxygenconsumption;smoke;Calibration--laboratoryanalysisinstrumentation;Firetesting--buildingmaterials;Full-scaletesting;Heatrelease;Oxygenconsumptioncalorimetry;Smokeanalysis;Smokeobscur
【摘要】:Theoxygenconsumptionprinciple,usedforthemeasurementsdescribedhere,isbasedontheobservationthat,generally,thenetheatofcombustionisdirectlyrelatedtotheamountofoxygenrequiredforcombustion(1).Approximately13.1MJofheatarereleasedper1-kgofoxygenconsumed.Testspecimensinthetestareburnedinambientairconditions,whilebeingsubjectedtoaprescribedexternalheatingsource.Thistechniqueisnotappropriateforuseonitsownwhenthecombustiblefuelisanoxidizeroranexplosiveagent,whichreleaseoxygen.Furtheranalysisisrequiredinsuchcases(seeAppendixX2).Theheatreleaseisdeterminedbythemeasurementoftheoxygenconsumption,asdeterminedbytheoxygenconcentrationandtheflowrateinthecombustionproductstream,inafullscaleenvironment.Theprimarymeasurementsareoxygenconcentrationandexhaustgasflowrate.Additionalmeasurementsincludethespecimenignitability,thesmokeobscurationgenerated,thespecimenmasslossrate,theeffectiveheatofcombustionandtheyieldsofcombustionproductsfromthetestspecimen.Theoxygenconsumptiontechniqueisusedindifferenttypesoftestmethods.Intermediatescale(TestMethodE1623,UL1975)andfullscale(TestMethodD5424,TestMethodD5537,TestMethodE1537,TestMethodE1590,TestMethodE1822,ISO9705,NFPA265,NFPA266,NFPA267,NFPA286,UL1685)testmethods,aswellasunstandardizedroomscaleexperimentsfollowingGuideE603,usingthistechniqueinvolvealargeinstrumentedexhausthood,whereoxygenconcentrationismeasured,eitherstandingaloneorpositionedoutsideadoorway.Alargetestspecimenisplacedeitherunderthehoodorinsidetheroom.Thispracticeisintendedtoaddressissuesassociatedwithequipmentrequiringalargeinstrumentedhoodandnotstand-alonetestapparatuseswithsmalltestspecimens.Smallscaletestmethodsusingthistechnique,suchasTestMethodsD6113,E1354,E1474andE1740,aswellasISO5660internationally,arebasedonastand-aloneapparatus,whereinasmallspecimenistestedwithintheequipment.Anothersmallscaleheatreleasetestmethod,TestMethodE906,doesnotusetheoxygenconsumptiontechnique.Throughoutthispractice,testequipmentisreferencedtoprovidehelpfulguidancetotestfacilities.Substitutionofequivalent,orbetter,testmeasuringdevicesispermissible.1.1Thispracticedealswithmethodstoconstruct,calibrate,andusefullscaleoxygenconsumptioncalorimeterstohelpminimizetestingresultdiscrepanciesbetweenlaboratories.1.2ThemethodologydescribedhereinisusedinanumberofASTMtestmethods,inavarietyofunstandardizedtestmethods,andforresearchpurposes.Thispracticewillfacilitatecoordinationofgenericrequirements,whicharenotspecifictotheitemundertest.1.3Theprincipalfire-test-responsecharacteristicsobtainedfromthetestmethodsusingthistechniquearethoseassociatedwithheatreleasefromthespecimenstested,asafunctionoftime.Otherfire-test-responsecharacteristicsalsoaredetermined.1.4Thispracticeisintendedtoapplytotheconductionofdifferenttypesoftests,includingbothsomeinwhichtheobjectiveistoassessthecomparativefireperformanceofproductsreleasinglowamountsofheatorsmokeandsomeinwhichtheobjectiveistoassesswhetherflashoverwilloccur.1.5Thispracticedoesnotprovidepass/failcriteriathatcanbeusedasaregulatorytool,nordoesitdescribea......
【中国标准分类号】:C80
【国际标准分类号】:17_200_20
【页数】:24P.;A4
【正文语种】:英语
【英文标准名称】:Informationtechnology-InternationalstandardizedprofileFDI11-Directorydatadefinitions-Commondirectoryuse(Normal)
【原文标准名称】:信息技术.国际标准数据区FDI11.姓名地址簿数据定义.普通姓名地址簿的使用(标准型)
【标准号】:BSISO/IECISP10616-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-03-15
【实施或试行日期】:1997-03-15
【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】:句法;字符串;合格;数据组织;ASN.1;指南(OSI);(OSI)指南;数据处理;数据处理;信息交流;数据结构;开放系统互连;目标(信息系统);协议
【英文主题词】:Datahandling;Dataprocessing;Datastorage;Datastructures;Definitions;Informationexchange;Informationinterchange;Informationtechnology;Lists;Standardizedprofiles
【摘要】:ProfilesinformationtobestoredwithintheDirectorywhichiscommontoavarietyofapplications.Thedirectoryhasbeendesignedtosupportmultipleapplications,drawnfromawiderangeofpossibilities.GivesrequirementsthatareapplicabletoimplementationsofDirectorySystemAgents(DSAs).DefinestheminimumcapabilitiesthatDSAshavetosupport.DoesnotlimitDSAstotheseminimumcapabilities.
【中国标准分类号】:L70
【国际标准分类号】:35_100_05
【页数】:40P.;A4
【正文语种】:英语
