【英文标准名称】:Medicalinstruments;retractorsCushing's
【原文标准名称】:医疗器械.Cushing型牵开器
【标准号】:DIN58315-1979
【标准状态】:作废
【国别】:德国
【发布日期】:1979-06
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:医学;作标记;医学科学;牵开器;尺寸;公差;材料;外科学
【英文主题词】:Dimensions;Marking;Materials;Medicalsciences;Retractors;Surgery;Tolerances(measurement)
【摘要】:Medicalinstruments;retractorsCushing'sInstrumentsmédicaux;écarteursdeCushing
【中国标准分类号】:C36
【国际标准分类号】:11_040_30
【页数】:1P.;A4
【正文语种】:德语


【英文标准名称】:StandardPracticeforPreparationandDissolutionofUraniumMaterialsforAnalysis
【原文标准名称】:分析用铀材料制备和溶解的标准实施规程
【标准号】:ASTMC1347-2008
【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】:C26.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:dissolution;microwavedissolution;microwaveoven;uranium-aluminumalloy;uraniumash;uraniumdissolution;uraniummetal;uraniumoxide;uraniumscrap;Dissolution;Nuclearscrapandwastematerials;Uraniumdissolution;Uraniummetal;Uraniumox
【摘要】:ThematerialscoveredthatmustmeetASTMspecificationsareuraniummetalanduraniumoxide.Uraniummaterialsareusedasnuclearreactorfuel.Forthisuse,thesematerialsmustmeetcertaincriteriaforuraniumcontent,uranium-235enrichment,andimpuritycontent,asdescribedinSpecificationsC753andC776.Thematerialisassayedforuraniumtodeterminewhetherthecontentisasspecified.Uraniumalloys,refractoryuraniummaterials,anduraniumcontainingscrapandashareuniqueuraniummaterialsforwhichtheusermustdeterminetheapplicabilityofthispractice.Ingeneral,theseuniqueuraniummaterialsaredissolvedwithvariousacidmixturesorbyfusionwithvariousfluxes.1.1Thispracticecoversdissolutiontreatmentsforuraniummaterialsthatareapplicabletothetestmethodsusedforcharacterizingthesematerialsforuraniumelemental,isotopic,andimpuritiesdeterminations.Dissolutiontreatmentsforthemajoruraniummaterialsassayedforuraniumoranalyzedforothercomponentsarelisted.1.2Thetreatments,inorderofpresentation,areasfollows:ProcedureTitle
Section
DissolutionofUraniumMetalandOxidewithNitricAcid
8.1
DissolutionofUraniumOxideswithNitricAcidandResidueTreatment
8.2
DissolutionofUranium-AluminumAlloysinHydrochloricAcidwithResidueTreatment
8.3
DissolutionofUraniumScrapandAshbyLeachingwithNitricAcidandTreatmentofResiduebyCarbonateFusion
8.4
DissolutionofRefractoryUranium-ContainingMaterialbyCarbonateFusion
8.5
DissolutionofUraniumx2014;AluminumAlloysUraniumScrapandAsh,andRefractoryUranium-ContainingMaterialsbyMicrowaveTreatment
8.6