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【英文标准名称】:StandardTestMethodsforInstrumentalDeterminationofCarbon,Hydrogen,andNitrogeninLaboratorySamplesofCoal
【原文标准名称】:煤的实验室样品中碳、氢和氮的仪器测定的试验方法
【标准号】:ASTMD5373-2008
【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】:D05.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Carboncontent--coal/coke;Coal/cokeproducts--chemicalanalysis;Hydrogencontent--coal/coke;Instrumentalmeasurement--coal/coke;Nitrogencontent--coal/coke
【摘要】:Carbonandhydrogenvaluescanbeusedtodeterminetheamountofoxygen(air)requiredincombustionprocessesandforcalculationoftheefficiencyofcombustionprocesses.Carbonandhydrogendeterminationscanbeusedincalculationsincludingmaterialbalance,reactivityandyieldsofproductsrelevanttocoalconversionprocessessuchasgasificationandliquefaction.Carbonandnitrogenvaluescanbeusedinmaterialbalancecalculationsemployedforemissionaccountingpurposes.Note28212;Thebulkcompositionofcoalchangesataratethatvariesfromcoaltocoalduringstorage.Asaresultusingcoalforcalibrationcanyieldincorrectestimatesofcarbon,andhydrogencontentinparticular.1.1Thistestmethodcoverstheinstrumentalthedeterminationofcarbonintherangeof54.9%m/mto84.7%m/m,hydrogenintherangeof3.25%m/mto5.10%m/m,andnitrogenintherangeof0.57%m/mto1.80%m/mintheanalysissample(7.1)ofcoal.Note18212;ThecoalsincludedintheinterlaboratorystudyemployedtoderivetheprecisionstatementforthisstandardcoverASTMrankligniteAtolowvolatilebituminous.AdditionalinformationconcerningthecompositionofthesecoalsappearsinAnnexA5.1.2ThevaluesstatedinSIunitsshallberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:D21
【国际标准分类号】:75_160_10
【页数】:9P.;A4
【正文语种】:英语


【英文标准名称】:Aerospaceseries-SteelFE-PM3801(X5CrNiCu17-4)-Airmelted,solutiontreatedandprecipitationtreated,baraorD200mm,R930MPa;GermanandEnglishversionEN3161:2007
【原文标准名称】:航空航天系列.FE-PM3801(X5CrNiCu17-4)型钢.空气熔炼、溶解处理和沉淀处理.棒材.a或D≤200mm.R≥930MPa
【标准号】:EN3161-2007
【标准状态】:现行
【国别】:
【发布日期】:2007-11
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:航空航天运输;航空运输;棒材;化学成分;交货条件;尺寸;电极;硬度;热处理;材料;材料数据;微观结构;多语种的;竿材;性能;溶解处理;航天运输;规范(验收);钢;熔炼类型
【英文主题词】:Aerospacetransport;Airtransport;Bars(materials);Chemicalcomposition;Deliveryconditions;Dimensions;Electrodes;Hardness;Heattreatment;Materials;Materialsdata;Microstructure;Multilingual;Poles;Properties;Solutiontreated;Spacetransport;Specification(approval);Steels;Typeofmelting
【摘要】:
【中国标准分类号】:V11
【国际标准分类号】:49_025_10
【页数】:17P.;A4
【正文语种】:英语