ASME 1956-8-2001 Ni-Cr-Co-Mo合金(UNSN06617)第I节和第VIII节,第1部分;已作废.(补充件11)

上一篇: ASME 1949-3-2001 镍-铁-铬合金锻件(N08800和N08810)第I节
下一篇: ASME 1968-1-2001 射线场所内超声发射检验的使用.第VIII节,第1部分.补充件6R(2002)

【英文标准名称】:Informationtechnology-Qualityofservice-Guidetomethodsandmechanisms
【原文标准名称】:信息技术.服务质量.方法和机制指南
【标准号】:BSISO/IECTR13243-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-07-15
【实施或试行日期】:2000-07-15
【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】:数据处理;计算机网络;信息交流;质量;验证;远程处理;开放系统互连
【英文主题词】:Dataprocessing;Dataservices;Definition;Definitions;Informationinterchange;Informationtechnology;Networkinterconnection;OSI;Quality
【摘要】:ThisRecommendation|TechnicalReportusestheconceptsandterminologyoftheQualityofServiceFramework,ITU-TRec.X.641|ISO/IEC13236.Itisintendedtosupportthosedesigning,testingandspecifyingInformationTechnology(IT)systems,datacommunicationsservicesandprotocols,thosedefiningQoSmanagementfunctionsandQoSmechanismsforparticulardataenvironmentsandtechnologies,andthoseengagedinotherQoS-relatedactivitiessuchassystemtesting,byprovidingasourceofreferencematerialonQoS.Todothis,itbringstogetherreferencestomethodsandmechanismsfromavarietyofsources,andinsomecasesdocumentstheminastylewhichwillpermittheiruseinmanydatadifferentenvironments.Theterm"method"isusedinaverygeneralsensetoincludeanyprocess,function,etc.,thatisrelevanttoQoSatanystageinthelife-cycleofasystem.ThecriterionforreferencetoorinclusionofdefinitionsorspecificationsofQoSmethodsandmechanismsinthisRecommendation|TechnicalReportisthattheyarethoughttobeofpotentiallywiderapplicationthansolelytheenvironmentforwhichtheywereoriginallydeveloped,althoughstillinadatacontext.Clause5identifiessourcesofdefinitionsofQoScharacteristicsandrelatedinformation.Clauses6,7and8discussmethodsandmechanismsappropriatetothephasesofQoSactivitythataredefinedintheQoSFramework:clause6dealswiththepredictionphase,clause7withtheestablishmentphaseandclause8withtheoperationalphase.Clause9describesmethodsforverificationofsystembehaviourrelatedtoQoS.Clause10coverstherelationshipsbetweenthisRecommendation|TechnicalReportandRecommendations,InternationalStandardsorTechnicalReportsthatreferenceit.ThisRecommendation|TechnicalReportcontainsdetaileddefinitionsofsomeQoSmechanisms.Somepeer-to-peerQoSnegotiationmechanismsaredefinedin7.1.1.Theseinvolvetwopeerentitiesandinmostcasesalsotheproviderofacommunicationsservicebetweenthem.Subclause7.1.2providesaninitialspecificationofsomeQoSnegotiationmechanismsfor1×Nmulticastconnections,basedonthosein7.1.1.Subclause7.1.3discussesQoSnegotiationmechanismsforM×Nmulticast,someofwhichcanmakeuseofthosein7.1.2.Subclause8.2.1definessomeQoSmanagementmechanismstosupporttime-criticalapplications.ThisRecommendation|TechnicalReportdoesnotincludemethodsandmechanismsforsecurity.
【中国标准分类号】:M11
【国际标准分类号】:35_020;35_100_01
【页数】:38P;A4
【正文语种】:英语


【英文标准名称】:Reedcontactunits-Part2-1:Heavy-dutyreedswitches-Qualityassessmentspecification
【原文标准名称】:簧片接触装置.第2-1部分:重型簧片开关.质量评估规范
【标准号】:IEC/PAS62246-2-1-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-04
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC94
【标准类型】:()
【标准水平】:()
【中文主题词】:断路容量;认证;闭路电能;接触;接触电阻;连续性试验;定义;详细规范;电触点;电气元件;电气工程;电磁的;耐久性测试;耐用试验;疲劳试验;重型;大容量;检验;寿命(耐久性);磁的;磁性触点;质量保证;额定电压;簧片接触;可靠度;开关;开关触点;试验方法;测试
【英文主题词】:Breakingcapacity;Certification;Circuitclosingpower;Contact;Contactresistance;Continuitytests;Definition;Definitions;Detailspecification;Electriccontacts;Electricalcomponents;Electricalengineering;Electromagnetic;Endurancetesting;Endurancetests;Fatiguetests;Heavy-duty;Highcapacity;Inspection;Life(durability);Magnetic;Magneticcontacts;Qualityassurance;Ratedvoltages;Reedcontact;Reliability;Switches;Switchingcontacts;Testmethod;Testing
【摘要】:ThisPASdefinesrequirementsandtestsforheavy-dutyreedswitchesintendedtobeincorporatedintodevicesthatcanbeusedinvariousindustrialapplications.ThisPASistobeusedinconjunctionwithIEC62246-2.ThisPASselectsfromIEC62246-2andfromothersourcestheappropriatetestprocedurestobeusedindetailspecificationsderivedfromthisPAS.Twodifferentproductvariants(variantAandvariantB)arespecifieddependingoncharacteristicvaluesandtests(seeAnnexB).
【中国标准分类号】:K31;L24
【国际标准分类号】:29_120_70
【页数】:40P;A4
【正文语种】:英语