NF S91-249-1997 熔合为金属修复合金的牙科陶瓷
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来源:标准资料网
【英文标准名称】:Dentalceramicfusedtometalrestorativealloys.
【原文标准名称】:熔合为金属修复合金的牙科陶瓷
【标准号】:NFS91-249-1997
【标准状态】:作废
【国别】:法国
【发布日期】:1997-12-01
【实施或试行日期】:1997-12-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:C33
【国际标准分类号】:11_060_10
【页数】:20P;A4
【正文语种】:其他
【英文标准名称】:Shellboilers-Acceptancetests
【原文标准名称】:火管锅炉.验收试验
【标准号】:BSEN12953-11-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-10-02
【实施或试行日期】:2003-10-02
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisPartofthisEuropeanStandardspecifiesaconciseprocedureforconductingthermalperformancetests,usingtheindirect(losses)procedureforboilersforsteamorhotwater.Testresultsarebasedoneitherthegrossornetcalorificvalueofthefuel.Thisconciseprocedureprovidesaconvenientmeansforassessingboilerswhicharethermodynamicallysimple,i.e.havingasinglemajorsourceofheatinputandasimplecircuitforwater,steamorhightemperatureheattrans-ferfluid.NOTE1Theuseofthedirectmethodisnotadvocated,becausetheestimatedmeasuringerroristhreetofourtimesgreaterthanwiththeindirectmethod.NOTE2Anacceptancetestmayberequired:a)afterthecommissioningofnewplantoraftertherecommissioningofmodifiedplantinordertoverifycompliancewithaspecificationorcontractualobligation;b)whenevertheuserwishestodeterminethecurrentperformanceoftheplanteitheronaroutinebasisorduetochangeofloadorotheroperatingconditionsorwhenachangeoffueloramodificationtotheplantisbeingconsidered;c)whenevertheuserwishestocheckcombustionconditions.RegulartestsinaccordancewiththisEuropeanStandardwillenableboilerplanttobemonitoredinnormaloperationforopti-mumefficiencyintheinterestsoffuelconservation.Thisproceduredoesnotcovercondensingboilers.Theapplicationofboilers,whereheatisextractedfromwastegasesisspecifiedinannexB.
【中国标准分类号】:J98
【国际标准分类号】:27_060_30
【页数】:36P;A4
【正文语种】:英语
