EN 933-3-2012 集料几何特性的试验.第3部分:颗粒形状的测定.片状指数
时间:2024-05-16 04:47:57 来源: 标准资料网 作者：标准资料网 阅读：9724
【英文标准名称】:Testsforgeometricalpropertiesofaggregates-Part3:Determinationofparticleshape-Flakinessindex;GermanversionEN933-3:2012
【原文标准名称】:集料几何特性的试验.第3部分:颗粒形状的测定.片状指数
【标准号】:EN933-3-2012
【标准状态】:现行
【国别】:
【发布日期】:2012-04-01
【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】:
【英文主题词】:Aggregates;Analysis;Characteristics;Construction;Constructionmaterials;Definitions;Designations;Determination;Dimensions;Geometric;Geometricalproperties;Grainshapes;Grainsize;Grainsizing;Grainstructures;Gravel;Materialstesting;Measurement;Measuringtechniques;Mineralaggregates;Naturalstones;Particlesizedistribution;Particlesizemeasurement;Particulatematerials;Properties;Ratings;Roadstoneaggregates;Rocks;Rubble;Screening;Shape;Stone;Testing
【摘要】:
【中国标准分类号】:Q13
【国际标准分类号】:91_100_15
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:Identificationcards-Recordingtechnique-Part8:Magneticstripe-Coercivityof51,7kA/m(650Oe)
【原文标准名称】:识别卡.记录技术.第8部分:磁条.51.7kA/m(650Oe)矫顽磁性
【标准号】:ISO/IEC7811-8-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-03-01
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1/SC17
【标准类型】:()
【标准水平】:()
【中文主题词】:银行业务;矫顽磁性;数据处理;数据记录;定义;识别卡;信息交换;磁记录;磁条;磁带;物理性能;记录系统;规范
【英文主题词】:Bankoperations;Coercivity;Dataprocessing;Datarecording;Definition;Definitions;Identitycards;Informationinterchange;Magneticrecording;Magneticstripes;Magnetictapes;Physicalproperties;Recordingsystems;Specification
【摘要】:ISO/IEC7811definesthecharacteristicsforidentificationcardsasdefinedinClause4ofthispartofISO/IEC7811,andtheuseofsuchcardsforinternationalinterchange.ThispartofISO/IEC7811specifiesrequirementsfora51,7kA/m(650Oe)magneticstripe(includinganyprotectiveoverlay)onanidentificationcard.Theencodingtechniqueandcodedcharactersetsarenotdefined,however,thespecificationsofISO/IEC7811-2maybeused.Ittakesintoconsiderationbothhumanandmachineaspectsandstatesminimumrequirements.CoercivityinfluencesmanyofthequantitiesspecifiedinthispartofISO/IEC7811.Ithasanominalvalueof51,7kA/m(650Oe),butisnotitselfspecified.Exposureofthecardtoamagneticfieldislikelytodestroytherecordeddata.ISO/IEC7811providescriteriatowhichcardsaretoperform.NoconsiderationisgivenwithinISO/IEC7811totheamountofuse,ifany,experiencedbythecardpriortotest.Failuretoconformtospecifiedcriteriashouldbenegotiatedbetweentheinvolvedparties.ISO/IEC10373-2specifiesthetestproceduresusedtocheckcardsagainsttheparametersspecifiedinthispartofISO/IEC7811.NOTENumericvaluesintheSIand/orImperialmeasurementsysteminthispartofISO/IEC7811mayhavebeenroundedoffandthereforeareconsistentwith,butnotexactlyequalto,eachother.Eithersystemmaybeused,butthetwoshouldnotbeintermixedorreconverted.TheoriginaldesignwasmadeusingtheImperialmeasurementsystem.
【中国标准分类号】:L64
【国际标准分类号】:35_240_15
【页数】:14P.;A4
【正文语种】:英语
MIL-G-46886B (NOTICE 1), MILITARY SPECIFICATION: GREASE, SILICON (03 MAR 1998) [S/S BY A-A-59173]., MIL-G-46886, dated 17 August 1992, is hereby canceled. Future acquisition for this material should refer to commercial item description A-A-59173, "Grease, Silicone."