【英文标准名称】:Rubber,vulcanizedorthermoplastic-Determinationofageingcharacteristicsbymeasurementofstressrelaxationintension
【原文标准名称】:硫化或热塑性橡胶.用拉伸中应力松弛测量法测定老化特性
【标准号】:ISO6914-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-09
【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/TC45
【标准类型】:()
【标准水平】:()
【中文主题词】:老化;测定;弹性体;延伸;测量;测量技术;机械测试;橡胶;应力松弛;测试;测试条件;热塑性聚合物;硫化橡胶
【英文主题词】:Ageing(materials);Determination;Elastomers;Elongation;Measurement;Measuringtechniques;Mechanicaltesting;Rubber;Stressrelaxation;Testing;Testingconditions;Thermoplasticpolymers;Vulcanizedrubber
【摘要】:ThisInternationalStandarddescribesthreemethodsforthemeasurementofthechangeofstressinatestpieceatagivenelongationforthepurposeofdeterminingtheageingcharacteristicsofarubber.-MethodAisintendedformeasurementundercontinuousstrainconditions.-MethodBisthepreferredmethodformeasurementunderintermittentstrainconditions.InthecaseofbothmethodsAandB,astressrelaxometerisusedtorecordthestressatthetemperatureofageing.--MethodCisanalternativetomethodBformeasurementunderintermittentstrainconditionsinwhichthetestpieceisremovedfromtheageingenvironmentformeasurementofthestressatstandardlaboratorytemperature.ThenecessarycalibrationscheduleforthistypeofmeasurementisgiveninAnnexA.Measurementsatasingleelevatedageingtemperaturecanbeusedforqualitycontrolpurposesasameasureofheat-ageingresistance.Measurementsatanumberoftemperaturescanbeusedforresearchanddevelopmentpurposestoestimatelong-termageingcharacteristicsinaccordancewiththeproceduresdescribedinISO11346.Noagreementbetweenthethreemethodsshouldbeinferred.Themethodusedwilldependonthepurposeofthetest.
【中国标准分类号】:G34
【国际标准分类号】:83_060
【页数】:8P;A4
【正文语种】:英语


【英文标准名称】:DigitalSubscriberSignallingSystemNumber1(DSS1)-SignallingSpecificationoftheUserSignallingBearerService
【原文标准名称】:电信.数字用户信令发送系统NO.1(DSS1)-用户信令发送载体服务的信令发送规范
【标准号】:ANSIT1.623-1993
【标准状态】:现行
【国别】:美国
【发布日期】:1993
【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】:信号传输;综合服务数字网络;通信链路;信号系统;通信网;电信;用户专用线路;定义;用户台
【英文主题词】:Communicationnetworks;Definitions;ISDN;Signaltransmission;Subscriberlinecircuit;Subscriber'sstation;Telecommunicationlinks;Telecommunications
【摘要】:ThisinterfacestandardwaswrittentoprovideasetofrequirementsforUser-NetworkSignallingforISDNsupportofusersignallingbearerservice,whileconforming,whereverpossible,withtheQ-andI-SeriesRecommendationsoftheInternationalTeleg
【中国标准分类号】:M12
【国际标准分类号】:33_040_30
【页数】:21P;A4
【正文语种】:英语