【英文标准名称】:Methodsofmeasurementforwaveguides.Part3:variationofgroupdelay.
【原文标准名称】:波导测量方法.第3部分:成组延迟变化
【标准号】:NFC93-593-3-1998
【标准状态】:现行
【国别】:法国
【发布日期】:1998-02-01
【实施或试行日期】:1998-02-20
【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】:波导管;电缆;电气工程;导电体;测量
【英文主题词】:Cables;Components;Electricconductors;Electricalcomponents;Electricalengineering;Envelopedelay;Measurement;Measuringtechniques;Runningtime;Shafts;Specification(approval);Testing;Waveguides
【摘要】:
【中国标准分类号】:L26
【国际标准分类号】:33_120_10
【页数】:11P;A4
【正文语种】:其他


【英文标准名称】:Mechanicalfittingsforpolyethylenepipingsystemsforthesupplyofgaseousfuels-Metalfittingsforpipesofnominaloutsidediametergreaterthan63mm
【原文标准名称】:燃气用聚乙烯管道系统的机械式管件.标称外径大于63mm的管道用金属管件
【标准号】:BSISO10838-2-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-08-15
【实施或试行日期】:2001-08-15
【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】:塑料管;管道配件;机械试验;螺纹管接头;管道工程系统;法兰管件;直径;金属;尺寸;温度;聚乙烯;压力试验;塑料;抗拉试验;机械零部件;性能;性能试验;气体燃料;管连接件;压合接头
【英文主题词】:Definition;Definitions;Diameter;Dimensions;Fittings;Gaspipelines;Gaseousfuels;Metallicmaterials;Outsidediameters;PEpipes;Pipefittings;Pipingsystem;Polyethylene;Specification(approval);Tightness
【摘要】:ThispartofISO10838specifiesrequirementsandtestmethodsforfull-end-load-resistantmechanicalpipe-jointingsystemsforconnecting,toeachotherortoametalpipeorfitting,polyethylene(PE)pipes,conformingtoISO4437,ofnominaloutsidediametergreaterthan63mm.Inaddition,itspecifiescertaingeneralpropertiesofthematerialfromwhichthesefittingsaremade.ThispartofISO10838specifiesdimensionalrequirementsfor,andtheperformanceof,suchassemblies.Itisapplicabletomechanicalfittingsinwhichallload-bearingelementsofthejointaremetal.TheyareintendedforusewithPEpipesdesignedforthesupplyofgaseousfuels,thesefittingsproducingeitherpermanentjointsorjointswhichcanbedismantled.Ifintendedforassemblywithametalpipeorfitting,suchconnectionsmayincludescrewthreads,compressionjoints,orflangedorweldedconnections.ThispartofISO10838isapplicableonlytomechanicalfittingswithnormaloperating-temperaturelimitsbetween-20℃and+40℃,unlessotherwiseagreedbetweeninterestedparties.ItisthepurposeofthispartofISO10838toprovideperformancerequirementsthatwillensurethatmechanicalpipe-jointingsystemswillprovidefullsealingandfullrestraintofthePEpipingsothatthePEpipingwillyieldratherthanpulloutofthemechanicaljointwhensubjectedtotensileforcesorpressure.
【中国标准分类号】:Q82
【国际标准分类号】:23_040_40
【页数】:18P.;A4
【正文语种】:英语