BS EN ISO 11114-1-2012 气瓶.气瓶和瓶阀材料与盛装气体的相容性.金属材料
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【英文标准名称】:Gascylinders.Compatibilityofcylinderandvalvematerialswithgascontents.Metallicmaterials
【原文标准名称】:气瓶.气瓶和瓶阀材料与盛装气体的相容性.金属材料
【标准号】:BSENISO11114-1-2012
【标准状态】:现行
【国别】:英国
【发布日期】:2012-04-30
【实施或试行日期】:2012-04-30
【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】:兼容性;复合材料;压缩气体设备;压缩气体;触点;接触性能;定义;储气瓶;储气罐;气体混合物;气体类型;气阀;气体;材料;金属材料;易动的;无缝的;试验;阀门
【英文主题词】:Compatibility;Compositematerials;Compressedgasequipment;Compressedgases;Contact;Contactbehaviour;Definitions;Gascylinders;Gasholders;Gasmixtures;Gastype;Gasvalves;Gases;Materials;Metallicmaterials;Mobile;Seamless;Testing;Valves
【摘要】:
【中国标准分类号】:
【国际标准分类号】:23_020_30;23_060_40
【页数】:58P;A4
【正文语种】:英语
【英文标准名称】:IntegratedServicesDigitalNetwork(ISDN)-Callwaiting(CW)supplementaryservice-DigitalSubscriberSignallingSystemNoone(DSS1)protocol-Part3:TestSuiteStructureandTestPurposes(TSS&TP)specificationfortheuser.
【原文标准名称】:综合业务数字网(ISDN).呼叫等待(CW)补充业务.数字用户信号系统第1号(DSS1)协议.第3部分:用户用的试验组结构和试验目的规范
【标准号】:NFZ82-058-3-2001
【标准状态】:现行
【国别】:法国
【发布日期】:2001-04-01
【实施或试行日期】:2001-04-20
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Additionalequipment;Callnumbers;Calltransmission;Callwaiting;Calls;Circuitnetworks;Communicationservice;Communicationtechnology;Communications;Connectionlines;Definitions;Digitalsignals;ETSI;Informationprocessing;Integratedservicesdigitalnetwork;ISDN;Protocols;Radiosystems;Records;Signaltransmission;Signallingsystems;Subscriber'ssystems;Supplementaryservices;Telecommunication;Telecommunicationnetworks;Telecommunicationsystems;Telecommunications;Telephonenetworks;Terminaldevices;Testseries;Testing;Testingrequirements;Transmissionprotocol
【摘要】:
【中国标准分类号】:M11
【国际标准分类号】:33_030;33_080
【页数】:17P.;A4
【正文语种】:其他
【英文标准名称】:Gasanalysis-Preparationofcalibrationgasmixturesusingdynamicvolumetricmethods-Criticalorifices
【原文标准名称】:气体分析.用动态容量法制备标定用混合气体.临界孔
【标准号】:BSISO6145-6-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2003-05-16
【实施或试行日期】:2003-05-16
【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】:
【英文主题词】:Calibration;Calibrationgases;Controlsamples;Critical;Gasanalysis;Gasmixtures;Gas-volumetricanalysis;Methods;Nozzles;Orifices;Preparation;Production;Testgases
【摘要】:ThispartofISO6145specifiesamethodforthecontinuousproductionofcalibrationgasmixtures,containingtwoormorecomponents,frompuregasesorothergasmixturesbyuseofcriticalorificesystems.Byselectionofappropriatecombinationsoforificesandwiththeuseofpuregases,thevolumefractionofthecalibrationcomponentinthecalibrationgasmixturecanbevariedbyafactorof10.Additionally,itcanbechangedbyafactorof10bychangingtheinitialpressuresintheorificesystems.Theuncertaintyofthemethoddependsmainlyupontheflowcalibrationmethodandthevariationsintemperatureandoutletpressure.Therelativeexpandeduncertaintyinthevolumefractionobtainableforabinarymixture(atacoveragefactorof2)is3%.Ifpre-mixedgasesareusedinsteadofpuregases,muchlowervolumefractionscanbeobtained(seeAnnexA).Themassflowratesorvolumeflowrates,fromwhichthemassorvolumefractionsaredetermined,canbecalculatedandcanbeindependentlymeasuredbyasuitablemethodgiveninISO6145-1.Themeritsofthemethodarethatmulti-componentmixturescanbepreparedasreadilyasbinarymixturesiftheappropriatenumberoforificesisutilized,andthatalargequantityofcalibrationgasmixturecanbepreparedonacontinuousbasis.Therangeofflowratescanbefromseveralmillilitresperminutetoapproximately10l/min.Althoughparticularlyapplicabletopreparationofgasmixturesatbarometricpressure,themethodalsoprovidesameansofpreparationofcalibrationgasmixturesatpressuresabovebarometricpressure.AnnexBgivespracticalhintsontheuseofthemethod.
【中国标准分类号】:Z15
【国际标准分类号】:71_040_40
【页数】:20P.;A4
【正文语种】:英语
