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【英文标准名称】:INFORMATIONPROCESSING.CONVERSIONBETWEENTHETWOCODEDCHARACTERSETSOFISO646ANDISO6937-2ANDTHECCITTINTERNATIONALTELEGRAPHALPHABETNO2(ITA2).
【原文标准名称】:信息处理.ISO646,ISO6937-2和CCITT国际电报字母第2号(ITA2)两组编码字符集之间的转换
【标准号】:NFZ62-900-1990
【标准状态】:作废
【国别】:法国
【发布日期】:1990-12-01
【实施或试行日期】:1990-12-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Alphabets;Charactersets;Codedcharactersets;Codedrepresentation;Dataprocessing;Informationexchange;Informationinterchange;ISOseven-bitcodedcharacterset
【摘要】:
【中国标准分类号】:M11
【国际标准分类号】:35_040
【页数】:5P;A4
【正文语种】:其他


【英文标准名称】:StandardPracticeforSamplingNonferrousMetalsandAlloysinCastFormforDeterminationofChemicalComposition
【原文标准名称】:测定化学成分用有色金属及其合金铸件的取样
【标准号】:ASTME88-1991(2005)
【标准状态】:现行
【国别】:
【发布日期】:1991
【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】:E01.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:合金;有色金属;试验;铸模;化学成分;测定;分析;金属;抽样方法;样品;化学分析和试验
【英文主题词】:alloys;castnonferrousmetals;sampling
【摘要】:1.1Thispracticecoversthesampling,forthedeterminationofchemicalcomposition(Note1)ofnonferrousmetalsandalloysincastformforremeltingormechanicalworking.1.1.1RefertoPracticeE255forcopperandcopperalloys.Note1--Theselectionofcorrectportionsofmaterialandthepreparationofarepresentativesamplefromsuchportionsarenecessaryprerequisitestoeveryanalysis,theanalysisbeingofnovalueunlessthesampleactuallyrepresentstheaveragecompositionofthematerialfromwhichitwasselected.1.2Whenagreeduponbetweenthepurchaserandthemanufacturer,theheatsampleandanalysismaybeacceptedasrepresentativeofthecompositionofthemetal.Insuchcases,eachlotmustbeproperlyidentifiedwiththeheatsfromwhichitwasmade.1.3Thispracticeisintendedtocoverthegeneralprinciplesofsamplingapplicabletononferrousmetalsincastformandisnotintendedtosupersedeorreplaceexistingspecificationrequirementsforsamplingofaparticularmaterial.1.4Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H10
【国际标准分类号】:77_040_30
【页数】:2P.;A4
【正文语种】: