标准名称：	船用小型三相同步发电机 技术
英文名称：	Specifieation for small three-phase synchronous gcnerator in ships
中标分类：	船舶 >> 船舶电气、观通、导航设备 >> 船用发电、变电与配电设备
替代情况：	ZB K21002-1989;被JB/T 4271-2011代替
发布日期：	1999-08-06
实施日期：	2000-01-01
首发日期：	1900-01-01
作废日期：	2012-04-01
归口单位：	上海电器科学研究所
出版社：	机械工业出版社
出版日期：	2005-05-15
页数：	17 页

本标准规定了50Hz（60Hz），5~200kW船用小型三相同步发电机的型式、基本参数、技术要求、试验方法、检验规则等内容。

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【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