ASTM B391-2003 铌和铌合金铸锭标准规范

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【英文标准名称】:StandardSpecificationforNiobiumandNiobiumAlloyIngots
【原文标准名称】:铌和铌合金铸锭标准规范
【标准号】:ASTMB391-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:B10.03
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:niobium;niobiumalloyingots
【摘要】:1.1Thisspecificationcoversunalloyedandalloyedniobiumingotspreparedbyvacuum-orplasma-arcmeltingorelectron-beammeltingtoproduceconsolidatedmetalforprocessingtovariousmillshapes.Note18212;CommitteeB10hasadopted"niobium"asthedesignationforElementNo.41,formerlynamed"columbium."1.2Thematerialscoveredbythisspecificationare:1.2.1R04200-Type18212;Reactorgradeunalloyedniobium,1.2.2R04210-Type28212;Commercialgradeunalloyedniobium,1.2.3R04251-Type38212;Reactorgradeniobiumalloycontaining1%zirconium,and1.2.4R04261-Type48212;Commercialgradeniobiumalloycontaining1%zirconium.1.3Unlessasingleunitisused,forexampleforceforhardnesstestinginkN,thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thefollowingprecautionarycaveatpertainsonlytothetestmethodportionsofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:77_150_99
【页数】:3P.;A4
【正文语种】:


【英文标准名称】:StandardGuideforClassificationofTherapeuticSkinSubstitutes
【原文标准名称】:治疗皮肤替代品分类指南
【标准号】:ASTMF2311-2008
【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】:F04.41
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:skingraft;skinsubstitutes;surgery;tissueengineering;tissueregeneration;woundhealing;Classification(standards)--medical/surgicalapplications;Skingraft/substitutes;Skin;Surgicaltissueapplications;TEMPs(tissueengineeredmedicalproducts
【摘要】:Asmuchaspossible,terminologycontainedhereinisbasedonmedicaldictionarydefinitions.Thisguideprovidesnomenclatureandclassificationstoaccuratelyandunambiguouslydescribetissueengineeredskinsubstitutesaswellastheirclinicalfunctions.Theseclassificationsystemsandtheirnomenclaturearenotintendedtobeprescriptiveforproductlabelingoradvertising.Inthisguide,x201C;replacementx201D;andx201C;substitutex201D;havedifferentmeanings,althoughtheycanbeusedsynonymouslyinordinaryEnglish.x201C;Skinsubstitute,x201D;whichisdefinedin3.5.2,isatissue-engineeredmedicalproductthataphysicianorsurgeoncanuseinamedicalorsurgicalprocedure.x201C;Skinreplacement,x201D;whichisdefinedin3.7.7,isthetherapeuticoutcomeofsuccessfulskinreplacementsurgery,butthisisonlyoneofseveralclinicalusesforskinsubstitutes.Skinsubstitutesareusedindifferentmedicalsettingsandbydifferentmedicalandsurgicalspecialties.Inordertohelpclarifytheclinicalapplicationsofskinsubstitutes,adiscussionofcommonmedicalandsurgicalproceduresthatuseconventionalskintissuegrafts(autograftandfreshorfrozenallograftandxenograft)isprovidedinSection6.ThisdiscussionisintendedprovidecontextforunderstandingthecategoriesofSection7,whichmodelclinicalusesofskinsubstitutesbycomparisonwiththeusesofconventionalskingrafts.However,theprocedures,circumstances,andsurgicalintentionsinsectionarenotintendedtolimitthepossibleusesofskinsubstitutes,noristheclassificationinsectionintendedtolimittheusesofskinsubstitutestoonlythoseusesofconventionalskingrafttissues.1.1Thisguidedefinesterminologyandprovidesclassificationforproductsthatcanbesubstitutedfortissuegraftsofhumanoranimaltissueinmedicalandsurgicaltherapiesofskinlesions.1.2Thisguideprovidesaclassificationmethodforskinsubstitutesbycomparingtheirclinicaluseswiththoseofconventionaltissuegrafts.However,skinsubstitutesmayalsohaveequivalent,superior,orinferiorclinicalpropertiesincomparisontoconventionaltissuegrafts.Clinicalclassificationisindependentofthematerialsandtechnologyusedtomakeaskinsubstitute,orwhetheritscomponentsincludehumanoranimaltissueorotherbiologicalornon-biologicalmaterials.1.3Thisguidealsodescribesanomenclatureforsystematicdescriptionofthetechnologiesandcomponentsofskinsubstitutesthatisindependentoftheirclinicalutilities.Thissystematicnomenclatureisnotintendedtobeprescriptiveforproductlabeling,anditdescribesonlythemostsalientcharacteristicsofskinsubstitutes;theactualbiologicalandclinicalfunctionsofskinsubstitutescandependoncharacteristicsnotrecognizedinthenomenclature,anditshouldbeunderstoodthattwoproductsthatcanbedescribedidenticallybythenomenclatureshouldnotbepresumedtobeidenticalorhavethesameclinicalutility.1.4Thisguidedoesnotprovideacorrespondencebetweentheskinsubstitutecompositionandtheclinicalclassification.Also,morethanoneproductmaybesuitableforeachclinicaluse,andoneproductmayhavemorethanoneclinicaluse.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspr......
【中国标准分类号】:C10
【国际标准分类号】:11_120_99
【页数】:10P.;A4
【正文语种】:英语


【英文标准名称】:StandardSpecificationforShapedWireCompactConcentric-Lay-StrandedAluminumConductors,Steel-Reinforced(ACSR/TW)
【原文标准名称】:钢芯加强线状致密同芯绞捻铝导线的标准规范(ACSR/TW)
【标准号】:ASTMB779-2003(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:B01.07
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:AACSR(aluminum-alloyconductors,steeireinforced);Aluminumelectricalconductors--specifications;Layfactor(electricalconductorwire);Ratedstrength(electricalconductorwire);Steelwirestrand--specifications;Strandedaluminumelectricalconduc
【摘要】:1.1Thisspecificationcoversshapedwirecompactconcentric-lay-strandedaluminumconductor,steel-reinforced(ACSR/TW)anditscomponentwiresforuseasoverheadelectricalconductors(ExplanatoryNote1andNote2).1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.Note18212;ACSR/TWisdesignedtoincreasethealuminumareaforagivendiameterofconductorbytheuseoftrapezoidallyshapedwires(TW).Theconductorsconsistofacentralcoreofroundsteelwire(s)surroundedbytwoormorelayersoftrapezoidalaluminum1350-H19wires.Differentstrandingsofthesamesizeofconductorareidentifiedbytype,whichistheapproximateratioofsteelareatoaluminumareaexpressedinpercent(Table1,Table2andTable3).Forthepurposeofthisspecification,thesizeslistedinTable1andTable2aretabulatedonthebasisofthefinishedconductorhavinganareaoroutsidediameterequaltothatofspecificsizesofstandardACSRsoastofacilitateconductorselection.Note28212;ThealuminumandtemperdesignationsconformtoANSIStandardH35.1.Aluminum1350correspondstoUnifiedNumberingSystem(UNS)A91350inaccordancewithPracticeE527.
【中国标准分类号】:K11
【国际标准分类号】:29_240_20
【页数】:6P.;A4
【正文语种】:英语