MIL-PRF-22191F (AMENDMENT 1)
时间:2024-05-12 10:09:11 来源: 标准资料网 作者：标准资料网 阅读：8368
MIL-PRF-22191F (AMENDMENT 1), PERFORMANCE SPECIFICATION: BARRIER MATERIALS, TRANSPARENT, FLEXIBLE, HEAT-SEALABLE (26 OCT 2009) [SUPERSEDING MIL-B-22191D]., This specification establishes the requirements for transparent, flexible, heat-sealable barrier materials having waterproof or low water vapor transmission characteristics for use in military packaging (see 6.1).
【英文标准名称】:Gasanalysis-Preparationofcalibrationgasmixturesusingdynamicvolumetricmethods-Part6:Criticalorifices(ISO6145-6:2003);EnglishversionofDINENISO6145-6:2008-11
【原文标准名称】:气体分析.动态容量法制备校准气体混合物.第6部分:临界孔
【标准号】:DINENISO6145-6-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-11-01
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:分析;校准;校准气体;化学分析和测试;控制样品;临界的;气体分析;气体混合物;气体容量分析;检验设备;数学计算;方法;喷嘴;孔口;准备;生产;试验气体;容量;容量分析
【英文主题词】:Analysis;Calibration;Calibrationgases;Chemicalanalysisandtesting;Controlsamples;Critical;Gasanalysis;Gasmixtures;Gas-volumetricanalysis;Inspectionequipment;Mathematicalcalculations;Methods;Nozzles;Orifices;Preparation;Production;Testgases;Volumetric;Volumetricanalysis
【摘要】:ThispartofISO6145specifiesamethodforthecontinuousproductionofcalibrationgasmixtures,containingtwoormorecomponents,frompuregasesorothergasmixturesbyuseofcriticalorificesystems.Byselectionofappropriatecombinationsoforificesandwiththeuseofpuregases,thevolumefractionofthecalibrationcomponentinthecalibrationgasmixturecanbevariedbyafactorof104.Additionally,itcanbechangedbyafactorof102bychangingtheinitialpressuresintheorificesystems.Theuncertaintyofthemethoddependsmainlyupontheflowcalibrationmethodandthevariationsintemperatureandoutletpressure.Therelativeexpandeduncertaintyinthevolumefractionobtainableforabinarymixture(atacoveragefactorof2)is3%.Itpre-mixedgasesareusedinsteadofpuregases,muchlowervolumefractionscanbeobtained(seeAnnexA).Themassflowratesorvolumeflowrates,fromwhichthemassorvolumefractionsaredetermined,canbecalculatedandcanbeindependentlymeasuredbyasuitablemethodgiveninISO61451.Themeritsofthemethodarethatmulti-componentmixturescanbepreparedasreadilyasbinarymixturesiftheappropriatenumberoforificesisutilized,andthatalargequantityofcalibrationgasmixturecanbepreparedonacontinuousbasis.Therangeofflowratescanbefromseveralmillilitresperminutetoapproximately10Fmin.Althoughparticularlyapplicabletopreparationofgasmixturesatbarometricpressure,themethodalsoprovidesameansofpreparationofcalibrationgasmixturesatpressuresabovebarometricpressure.AnnexBgivespracticalhintsontheuseofthemethod.
【中国标准分类号】:G86
【国际标准分类号】:71_040_40
【页数】:17P.;A4
【正文语种】:英语
【英文标准名称】:MiniJetBoats
【原文标准名称】:小型喷水推进艇
【标准号】:ANSI/ABYCH-37-1995
【标准状态】:作废
【国别】:美国
【发布日期】:1995
【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】:
【标准类型】:()
【标准水平】:()
【中文主题词】:规范(验收);壳体;机动船
【英文主题词】:bodies;specification(approval);motorboats
【摘要】:
【中国标准分类号】:U18
【国际标准分类号】:47_080
【页数】:
【正文语种】:英语