【英文标准名称】:Softwareengineering-Productquality-Part4:Qualityinusemetrics
【原文标准名称】:软件工程.产品质量.第4部分:使用质量的度量
【标准号】:ISO/IECTR9126-4-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-04
【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/SC7
【标准类型】:()
【标准水平】:()
【中文主题词】:计算机;可靠度;计算机软件;信息处理;计算机程序;特性;数据处理;特性;度量标准;评定;信息技术;工作特性;软件;质量
【英文主题词】:Characteristics;Computerprograms;Computersoftware;Computers;Dataprocessing;Evaluations;Informationprocessing;Informationtechnology;Metric;Performancecharacteristics;Properties;Quality;Reliability;Software
【摘要】:ThisTechnicalReportdefinesqualityinusemetricsforthecharacteristicsdefinedinISO/IEC9126-1,andisintendedtobeusedtogetherwithISO/IEC9126-1.ThisTechnicalReportcontains:?anexplanationofhowtoapplysoftwarequalitymetrics;?abasicsetofmetricsforeachcharacteristic;?anexampleofhowtoapplymetricsduringthesoftwareproductlifecycle.Itincludesasinformativeannexesaqualityinuseevaluationprocessandareportingformat.ThisTechnicalReportdoesnotassignrangesofvaluesofthesemetricstoratedlevelsortogradesofcompliance,becausethesevaluesaredefinedforeachsoftwareproductorapartofthesoftwareproduct,byitsnature,dependingonsuchfactorsascategoryofthesoftware,integritylevelandusers'needs.Someattributesmayhaveadesirablerangeofvalues,whichdoesnotdependonspecificuserneedsbutdependsongenericfactors,i.e.humancognitivefactors.ThisTechnicalReportcanbeappliedtoanykindofsoftwareforanyapplication.UsersofthisTechnicalReportcanselectormodifyandapplymetricsandmeasuresfromthisTechnicalReportormaydefineapplication-specificmetricsfortheirindividualapplicationdomain.Forexample,thespecificmeasurementofqualitycharacteristicssuchassafetyorsecuritymaybefoundinInternationalStandardsorTechnicalReportsprovidedbyIEC65andISO/IECJTC1/SC27.IntendedusersofthisTechnicalReportinclude:?Acquirer(anindividualororganizationthatacquiresorprocuresasystem,softwareproductorsoftwareservicefromasupplier);?Evaluator(anindividualororganizationthatperformsanevaluation.Anevaluatormay,forexample,beatestinglaboratory,thequalitydepartmentofasoftwaredevelopmentorganization,agovernmentorganizationoruser);?Developer(anindividualororganizationthatperformsdevelopmentactivities,includingrequirementsanalysis,designandtestingthroughacceptanceduringthesoftwarelifecycleprocess);?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】:51P.;A4
【正文语种】:英语


【英文标准名称】:Photography(Chemicals)-PotassiumCarbonate,AnhydrousandSesquihydrate
【原文标准名称】:摄影用化学药品.无水碳酸钾和倍半水碳酸钾
【标准号】:ANSIPH4.229-1987
【标准状态】:现行
【国别】:美国
【发布日期】:1987
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:摄影;药液;碳酸钾
【英文主题词】:photography;chemicals;potassiumcarbonate
【摘要】:Establishescriteriaforthepurityofphotographic-gradeanhydrousandsesquihydratepotassiumcarbonateanddescribestheteststobeusedtodeterminethepurity.
【中国标准分类号】:G81
【国际标准分类号】:37_040_30
【页数】:5P.;A4
【正文语种】:英语