NF A06-102-1969 锰矿石的化学分析.锰的电位计法测定
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来源:标准资料网
【英文标准名称】:Chemicalanalysisofmanganeseores.Potentiometricdeterminationofmanganese.
【原文标准名称】:锰矿石的化学分析.锰的电位计法测定
【标准号】:NFA06-102-1969
【标准状态】:现行
【国别】:法国
【发布日期】:1969-10-01
【实施或试行日期】:1969-09-23
【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】:含量测定;电位测量法;化学分析;锰;锰矿石;化学分析和试验
【英文主题词】:Chemicalanalysisandtesting;Concentrates;Determinationofcontent;Manganese;Manganeseores;Potentiometricmethods
【摘要】:
【中国标准分类号】:D32
【国际标准分类号】:73_060_20
【页数】:3P;A4
【正文语种】:其他
【英文标准名称】:Informationprocessing.Dimensionsofpunchedpapertapesfordatainterchange.
【原文标准名称】:信息处理.数据互换用穿孔纸带的尺寸
【标准号】:NFZ64-310-1970
【标准状态】:现行
【国别】:法国
【发布日期】:1970-12-01
【实施或试行日期】:1970-12-07
【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】:尺寸公差;尺寸;片孔;穿孔道;纸带条;磁带机;穿孔带;信息交流;数据处理;试验条件;信息交换;数据存储装置;数据媒体;记录特性
【英文主题词】:Datamedia;Dataprocessing;Dimensions;Informationprocessing;Layout;Paperproducts;Punchedtapes
【摘要】:
【中国标准分类号】:L64
【国际标准分类号】:35_220_10
【页数】:6P;A4
【正文语种】:其他
【英文标准名称】:Fibre-reinforcedplasticcomposites.Determinationofflexuralproperties
【原文标准名称】:纤维增强塑料复合材料.弯曲性能的测定
【标准号】:BSENISO14125-1998+A1-2011
【标准状态】:现行
【国别】:英国
【发布日期】:1998-06-15
【实施或试行日期】:1998-06-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Aerospacetransport;Airtransport;Bendtesting;Bendingbehaviour;Bendingstiffness;Definitions;Determination;Fibrereinforced;Flexibility;Flexuralstrength;Four-pointmethods;Laminates;Materials;Mechanicaltesting;Plastics;Reinforcedmaterials;Testspecimens;Testing;Three-pointmethods
【摘要】:1.1ThisInternationalStandardspecifiesamethodfordeterminingtheflexuralpropertiesoffibre-reinforcedplasticcompositesunderthree-point(MethodA)andfour-point(MethodB)loading.Standardtestspecimensaredefinedbutparametersincludedforalternativespecimensizesforusewhereappropriate.Arangeoftestspeedsisincluded.1.2Themethodisnotsuitableforthedeterminationofdesignparameters,butmaybeusedforscreeningmaterials,orasaquality-controltest.NOTEForexample,theflexuralmodulusisonlyanappropriatevalueofthetensileYoung’smodulusofelasticityasthetestisnotfortheadditionaldeflectionduetotheshearstresswhichleadstoalowervalueoftheflexuralmodulusbutusestestspan/specimenthicknessratiosthatminimisethiseffect.Differencesbetweentensileandflexuralpropertiesarealsocausedbythematerialstructure/lay-up.1.3Themethodissuitableforfibre-reinforcedthermoplasticandthermosettingplasticcomposites.ISO178,Plastics—Determinationofflexuralproperties,appliestobulkcompoundshavingfibresshorterthan7,5mm.Thisisgenerallythecasewithmaterialsintendedforinjectionmoulding.1.4Themethodisperformedusingspecimenswhichmaybemouldedtothechosendimensions,machinedfromthecentralportionofthestandardmulti-purposetestspecimen(seeISO3167)ormachinedfromsemi-finishedorfinishedproductssuchasmouldingsorlaminates.1.5Themethodspecifiespreferreddimensionsforthespecimen.Testswhicharecarriedoutonspecimensofotherdimensions,oronspecimenswhicharepreparedunderdifferentconditions,mayproduceresultswhicharenotcomparable.Otherfactors,suchasthespeedoftestingandtheconditioningofthespecimenscaninfluencetheresults.Formaterialswhicharenothomogeneousthroughthesection,orabovethelinear-elasticresponseregion,theresultappliesonlytothethicknessandstructuretested.Consequently,whencomparativedataarerequired,thesefactorsmustbecarefullycontrolledandrecorded.
【中国标准分类号】:Q23
【国际标准分类号】:83_120
【页数】:26P.;A4
【正文语种】:英语
