【英文标准名称】:StandardPracticeforCollectionofIntegratedSamplesfortheSpeciationofBiomass(Biogenic)andFossil-DerivedCarbonDioxideEmittedfromStationaryEmissionsSources
【原文标准名称】:从固体燃烧物排放中收集源生物和化石二氧化碳排放的标准实施规程
【标准号】:ASTMD7459-2008
【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】:D22.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:biomass;biomass(biogenic)CO2;carbondioxide;emissions;fossilCO2;integrated;proportional;sampling;speciation
【摘要】:Greenhousegasesarereportedtobeamajorcontributortoglobalwarming.Sincex201C;biomassCO2x201D;emittedfromcombustiondevicesrepresentsanet-zerocarboncontributiontotheatmosphere(thatis,plantsremoveCO2fromtheatmosphereandsubsequentcombustionreturnsit),itdoesnotcontributeadditionalCO2totheatmosphere.Themeasurementofbiomass(biogenic)CO2allowsregulatorsandstationarysourceowners/operatorstodeterminetheratiooffossil-derivedCO2andbiomassCO2indevelopingcontrolstrategiesandtomeetfederal,state,localandregionalgreenhousegasreportingrequirements.ThedistinctionofthetwotypesofCO2hasfinancial,controlandregulatoryimplications.1.1Thispracticedefinesspecificproceduresforthecollectionofgassamplesfromstationaryemissionsourcesforsubsequentlaboratorydeterminationoftheratioofbiomass(biogenic)carbontototalcarbon(fossilderivedcarbonplusbiomassorbiogeniccarbon)inaccordancewithD6866.1.2Thispracticeappliestostationarysourcesthatburnmunicipalsolidwasteoracombinationoffossilfuel(forexample,coal,oil,naturalgas)andbiomassfuel(forexample,wood,woodwaste,paper,agriculturalwaste,biogas)inboilers,combustionturbines,incinerators,kilns,internalcombustionenginesandothercombustiondevices.1.3Thispracticeappliestothecollectionofintegratedsamplesoverperiodsfrom1hourto24hours,orlonger.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z60
【国际标准分类号】:71_040_40
【页数】:4P.;A4
【正文语种】:英语


【英文标准名称】:CrossTipScrewdrivers
【原文标准名称】:十字头旋具
【标准号】:ANSI/ASMEB107.30-2008
【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】:十字槽头螺钉;尺寸;手工工具;材料规范;凹槽;旋具;规范(验收)
【英文主题词】:Crossrecessedscrews;Dimensions;Handtools;Materialsspecification;Recesses;Screwdrivers;Specification(approval)
【摘要】:ThisStandardprovidesperformanceandsafetyrequirementsforscrewdriversofPHILLIPSr1andPOZIDRIVr1designintendedformanualoperationindrivingorremovingscrewswithPHILLIPSorPOZIDRIVrecesses.Thescrewdriversareofthetypesnormallyusedbycabinetmakers,carpenters,sheetmetalworkers,productionworkers,mechanics,etc.
【中国标准分类号】:J47
【国际标准分类号】:25_140_30
【页数】:
【正文语种】:英语