ISO/IEC TR 9126-2-2003 软件工程.产品质量.第2部分:外部度量标准

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【英文标准名称】:Softwareengineering-Productquality-Part2:Externalmetrics
【原文标准名称】:软件工程.产品质量.第2部分:外部度量标准
【标准号】:ISO/IECTR9126-2-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-07
【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
【标准类型】:()
【标准水平】:()
【中文主题词】:评定;特性;特性;信息处理;定义;数据处理;可靠度;软件;工作特性;度量;信息技术;计算机软件;导则;计算机;质量;计算机程序
【英文主题词】:Characteristics;Computerprograms;Computersoftware;Computers;Dataprocessing;Definitions;Evaluations;Guidelines;Informationprocessing;Informationtechnology;Metric;Performancecharacteristics;Properties;Quality;Reliability;Software
【摘要】:ThisTechnicalReportdefinesexternalmetricsforquantitativelymeasuringexternalsoftwarequalityintermsofcharacteristicsandsubcharacteristicsdefinedinISO/IEC9126-1,andisintendedtobeusedtogetherwithISO/IEC9126-1.ThisTechnicalReportcontains:Ⅰ.anexplanationofhowtoapplysoftwarequalitymetricsⅡ.abasicsetofmetricsforeachsubcharacteristicⅢ.anexampleofhowtoapplymetricsduringthesoftwareproductlifecycleThisTechnicalReportdoesnotassignrangesofvaluesofthesemetricstoratedlevelsortogradesofcompliance,becausethesevaluesaredefinedforeachsoftwareproductorapartofthesoftwareproduct,byitsnature,dependingonsuchfactorsascategoryofthesoftware,integritylevelandusers'needs.Someattributesmayhaveadesirablerangeofvalues,whichdoesnotdependonspecificuserneedsbutdependsongenericfactors;forexample,humancognitivefactors.ThisTechnicalReportcanbeappliedtoanykindofsoftwareforanyapplication.UsersofthisTechnicalReportcanselectormodifyandapplymetricsandmeasuresfromthisTechnicalReportormaydefineapplication-specificmetricsfortheirindividualapplicationdomain.Forexample,thespecificmeasurementofqualitycharacteristicssuchassafetyorsecuritymaybefoundinInternationalStandardsorTechnicalReportsprovidedbyIEC65andISO/IECJTC1/SC27.IntendedusersofthisTechnicalReportinclude:—Acquirer(anindividualororganizationthatacquiresorprocuresasystem,softwareproductorsoftwareservicefromasupplier);—Evaluator(anindividualororganizationthatperformsanevaluation.Anevaluatormay,forexample,beatestinglaboratory,thequalitydepartmentofasoftwaredevelopmentorganization,agovernmentorganizationorauser);—Developer(anindividualororganizationthatperformsdevelopmentactivities,includingrequirementsanalysis,design,andtestingthroughacceptanceduringthesoftwarelifecycleprocess);—Maintainer(anindividualororganizationthatperformsmaintenanceactivities);—Supplier(anindividualororganizationthatentersintoacontractwiththeacquirerforthesupplyofasystem,softwareproductorsoftwareserviceunderthetermsofthecontract)whenvalidatingsoftwarequalityatqualificationtest;—User(anindividualororganizationthatusesthesoftwareproducttoperformaspecificfunction)whenevaluatingqualityofsoftwareproductatacceptancetest;—Qualitymanager(anindividualororganizationthatperformsasystematicexaminationofthesoftwareproductorsoftwareservices)whenevaluatingsoftwarequalityaspartofqualityassuranceandqualitycontrol.
【中国标准分类号】:L77
【国际标准分类号】:35_080
【页数】:86P;A4
【正文语种】:英语


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【英文标准名称】:Automotivefuels-Fattyacidmethylester(FAME)fuelandblendswithdieselfuel-Determinationofoxidationstabilitybyacceleratedoxidationmethod;EnglishversionofDINEN15751:2009-10
【原文标准名称】:汽车燃料.脂肪酸甲酯(FAME)燃料和柴油混合燃料.利用加速氧化法测定氧化稳定性.英文版本DINEN15751-2009-10
【标准号】:DINEN15751-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-10
【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】:机动车燃料;生物柴油;生物燃料;定义(术语);测定;柴油;FAME;脂肪酸甲酯;材料测试;汽车;氧化;氧化诱导期;氧化法;抗氧化;石油产品;耐力;抽样方法;测试
【英文主题词】:Automotivefuels;Biodiesel;Biofuels;Definitions;Determination;Dieselfuels;FAME;Fattyacidmethylesters;Materialstesting;Motorvehicles;Oxidation;Oxidationinductiontime;Oxidationmethods;Oxidationresistance;Petroleumproducts;Resistance;Samplingmethods;Testing
【摘要】:ThisEuropeanStandardspecifiesatestmethodfordeterminingtheoxidationstabilityoffuelsfordieselengines.Themethodisapplicabletofattyacidmethylesters(FAME)intendedforuseaspurebiofuelorasablendingcomponentfordieselfuels,andtoblendsofFAMEandpetroleum-baseddieselcontaining2volumepercentageofFAMEatminimum.NOTEEN14112[1]describesasimilartestmethodforoxidationstabilitydeterminationofpurefattyacidmethylesters(seetheIntroductiontothisEuropeanStandard).ENISO12205[3]describesatestmethodthatisapplicabletopurepetroleum-baseddiesel.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:18P.;A4
【正文语种】:英语


【英文标准名称】:Load-BearingConcreteMasonryUnits
【原文标准名称】:承重混凝土空心砌块
【标准号】:ASTMC90-1993
【标准状态】:作废
【国别】:美国
【发布日期】:1993
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:施工材料;砖石工程;混凝土;块材;空心的;承重墙;空心墙;建筑
【英文主题词】:loadbearingwalls;construction;blocks;cavitywalls;constructionmaterials;masonry;concretes;hollow
【摘要】:
【中国标准分类号】:Q14
【国际标准分类号】:91_100_30
【页数】:4P;A4
【正文语种】:英语