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MIL-A-87221 (NOTICE 1)

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MIL-A-87221 (NOTICE 1), MILITARY SPECIFICATION: AIRCRAFT STRUCTURES, GENERAL SPECIFICATION FOR (8 JUN 1990) [S/S by AFGS-87221]. ML-A-87221, dated 28 February 1985, is hereby canceled. Future acquisitions should refer to AFGS-87221A.
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【英文标准名称】:Roadvehicles-Compressednaturalgas(CNG)fuelsystemcomponents-Part7:Gasinjector
【原文标准名称】:道路车辆.压缩天然气(CNG)燃料系统元部件.第7部分:气体喷射器
【标准号】:ISO15500-7-2002
【标准状态】:现行
【国别】:国际
【发布日期】:2002-09
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC22
【标准类型】:()
【标准水平】:()
【中文主题词】:装填填料装置;定义;发动机燃料系统;摩托车;天然气;机动车燃料;摩托车辆;道路车辆;测试;喷射器;加添油
【英文主题词】:automotivefuels;fillingdevices;naturalgas;refuelling;injectors;motorvehicles;enginefuelsystems;roadvehicles;testing;definition;motorcars
【摘要】:ThispartofISO15500specifiestestsandrequirementsforthegasinjector,acompressednaturalgasfuelsystemcomponentintendedforuseonthetypesofmotorvehiclesdefinedinISO3833.ThispartofISO15500isapplicabletovehiclesusingnaturalgasinaccordancewithISO15403(mono-fuel,bi-fuelordual-fuelapplications).Itisnotapplicabletoinjectorsintendedforhigh-pressureinjectiontothecombustionchamber,ortothefollowing:a)liquefiednaturalgas(LNG)fuelsystemcomponentslocatedupstreamof,andincluding,thevaporizer;b)fuelcontainers;c)stationarygasengines;d)containermountinghardware;e)electronicfuelmanagement;f)refuellingreceptacles.NOTE1ItisrecognizedthatmiscellaneouscomponentsnotspecificallycoveredhereincanbeexaminedtomeetthecriteriaofthispartofISO15500andtestedaccordingtotheappropriatefunctionaltests.NOTE2AllreferencestopressureinthispartofISO15500aretobeconsideredgaugepressuresunlessotherwisespecified.NOTE3ThispartofISO15500isbaseduponaservicepressurefornaturalgasasfuelof20MPa[200bar]settledat15℃.Otherservicepressurescanbeaccommodatedbyadjustingthepressurebytheappropriatefactor(ratio).Forexample,a25MPa[250bar]servicepressuresystemwillrequirepressurestobemultipliedby1,25.NOTE41bar=0,1MPa=10Pa;1MPa=1N/mm.
【中国标准分类号】:T11
【国际标准分类号】:43_060_40
【页数】:10P;A4
【正文语种】:英语


【英文标准名称】:Opticsandopticalinstruments-Accuracyofopticaltransferfunction(OTF)measurement
【原文标准名称】:光学和光学仪器.光学传输功能(OTF)测量的准确性
【标准号】:BSISO11421-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-12-15
【实施或试行日期】:1997-12-15
【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】:光学仪器;数学计算;误差;校正;传递函数;光学测量;直线度测量;误差修正;准确度;公式;光学;透镜
【英文主题词】:
【摘要】:ThisInternationalStandardgivesgeneralguidanceonevaluatingthesourcesoferrorinopticaltransferfunction(OTF)equipmentandinusingthisinformationtoestimateerrorsinameasurementofOTF.Italsogivesguidanceonassessingandspecifyingageneralaccuracyvalueforaspecificmeasuringequipment,aswellasrecommendingmethodsofroutineassessment.ThemainbodyofthisInternationalStandarddealsexclusivelywiththemodulationtransferfunction(MTF)partoftheOTF.Thephasetransferfunction(PTF)isdealtwithrelativelybrieflyinannexA.
【中国标准分类号】:N30
【国际标准分类号】:37_020
【页数】:38P;A4
【正文语种】:英语