HB 7027.5-1994 夹具通用件导向件 高速铰孔用导套
作者:标准资料网 时间:2024-05-25 07:10:04 浏览:9232
来源:标准资料网
下载地址: 点击此处下载
基本信息
| 标准名称： | 夹具通用件导向件 高速铰孔用导套 |
| 中标分类： | 航空、航天 >> 航空器与航天器制造用设备 >> 夹具 |
| 发布日期： | 1994-10-31 |
| 实施日期： | 1995-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 2页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 航空 航天 航空器与航天器制造用设备 夹具
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforOpen-ChannelMeasurementofTimeofTravelUsingDyeTracers
【原文标准名称】:使用染料示踪剂明渠测量行程时间标准试验方法
【标准号】:ASTMD5613-1994(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1994
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D19.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:dispersion;fluorometry;mixing;surfacewater;time-of-travel;tracers;Dispersion;Dyetracers;Fieldtesting--water;Flowandflowrate--water;Fluorometricdetermination;Lateraldispersion;Longitudinaldispersion;Openchannelflow--water;Solutes;
【摘要】:Purpose:Thistestmethodcoverstheuseoffluorescentdyetracersinstreamstodeterminetheratethatasolutemovesalongastreamlineforagivenriverreachandtherateatwhichasolutedispersesasitmovesdownstream.Accuratemeasurementsofastream''svelocityanddispersioncoefficientthatcanbedeterminedbyatracerstudyareimportantparametersforwater-qualitymodels.Determinedinadvancetopotentialspilledorreleasednoxioussubstances,velocityanddispersionratesareusedtopredictthetimeofarrival,passagetime,andmaximumconcentration.Publichealthofficialsneedthisinformationtodecidewhether,when,andhowlongtosuspendoperationsofpublicwater-supplyintakesinthereachdownstreamofaspill.Assumptions:Thistestmethodassumesthatthedyetracerbehavesinthesamemannerasthewaterinwhichitisinjected.Dispersionandmixingofthetracerinthereceivingriveroccurinallthreedimensionsofthechannel.Longitudinalmixingisunendingsinceboundariesdonotexistinthisdirection.Thetracerresponsecurveatapointdownstreamfromthepointoftracerinjectioncanberepresentedbyplottingthetracerconcentrationagainstelapsedtimesincetheinjection(Fig.1).Atracerresponsecurvehasfourimportantcharacteristics:theelapsedtimetotheresponsecurve''sleadingedge;elapsedtimetotheresponsecurve''speakconcentration;elapsedtimetotheresponsecurve''scentroid;andelapsedtimetoresponsecurvetrailingedgeat2%ofthepeakconcentration.Betweentwomonitoringlocationsseparatedbyalongstreamlength,thetime-of-travelforindividualresponsecurvecharacteristicsisthedifferenceintheelapsedtimessinceinjectionforthatcharacteristicatthetwolocations.Thedurationortimeofpassageofatracerresponsecurveataparticularriverlocationisthedifferencebetweentheslowesttrailingedgeelapsedtimesinceinjectionandtheearliestleadingedgeelapsedtimesinceinjectiondeterminedinthecrosssection.Tracers:Conservativetracersusedtoinvestigatefluidmotionaregenerallyextrinsic,artificial,andchemicalsubstancesandareusuallyclassifiedaccordingtothemethodsofdetectionusedandchemicalcomposition.Propertiestobeconsideredwhenselectingatracerforastudyincludedetectability,toxicity,solubility,cost,naturalbackgroundconcentration,andsorptioncharacteristics.FluorescentdyetracerssuchasRhodamineWT,pontacylpink,andacidyellow7aregenerallygoodchemicaltracers.RhodamineWThasthemostnumerousqualitiespreferredbymanystateandfederalagenciesforopen-channelstudies.Othertracerscanbeusedwhenwater-qualityorphysicalconditionsarenotsuitablefortheuseoffluorescentdyesinaproposedstudyreach.Theseincludesalt-basedchemicaltracerssuchassodiumchloride,radioactivetracerssuchastritium,andtracersdeterminedwithneutronactivationanalysissuchasbromineandlithium(3).Thesetracersareconsideredtobegenerallyconservativeand,intermsofthistestmethod,differprimarilyintheapparatusrequiredtomeasuretheconcentrationsinthestudyreach.Discussionsinsubsequentsectionswillbelimitedtofluorescentdyebecauseofthesimplicityoffluorometricanalysis.Differenttracersrequirevariedlevelsofpermitsbeforebeingintroducedintotheenvironment.Forexample,radioactivetracersrequirepermitsfromtheNuclearRegulatoryCommission(NRC)andusuallystateandlocalpermits.Fluorescentdyetracersdonotusuallyrequireformalpermitsforuseinastudy.【英文标准名称】:StandardSpecificationforFlexiblePre-InsulatedPiping
【原文标准名称】:柔性预绝缘管规范标准规范
【标准号】:ASTMF2165-2002(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F17.11
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:bendforcetest;flexiblepre-insulatedpiping;plasticpre-insulatedpiping;pre-insulatedpipe;Bendforcetest;Endsealtesting;Flexiblepre-insulatedpipe;Plasticpipe/tubing/fittings--specifications;Pre-insulatedpipe
【摘要】:1.1Thisspecificationcoversflexible,pre-insulatedpipingcommonlyusedtoconveyhotandcoldfluids.1.2Thisspecificationestablishesmaterialsandperformancerequirementsforflexible,pre-insulatedpipingintendedforhotandchilledwaterapplications.1.3Pipingsystemsmayincludeoneormorecarrierpipeswithinacommonouterjacket.1.4Thetextofthisspecificationreferencesnotesandfootnotesthatprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredpartofthisstandard.1.5Units8212;Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.6Thefollowingsafetyhazardscaveatpertainstothetestmethodsportion,Section7,ofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequirementspriortouse.
【中国标准分类号】:G42
【国际标准分类号】:83_140_40
【页数】:5P.;A4
【正文语种】:英语
【原文标准名称】:使用染料示踪剂明渠测量行程时间标准试验方法
【标准号】:ASTMD5613-1994(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1994
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D19.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:dispersion;fluorometry;mixing;surfacewater;time-of-travel;tracers;Dispersion;Dyetracers;Fieldtesting--water;Flowandflowrate--water;Fluorometricdetermination;Lateraldispersion;Longitudinaldispersion;Openchannelflow--water;Solutes;
【摘要】:Purpose:Thistestmethodcoverstheuseoffluorescentdyetracersinstreamstodeterminetheratethatasolutemovesalongastreamlineforagivenriverreachandtherateatwhichasolutedispersesasitmovesdownstream.Accuratemeasurementsofastream''svelocityanddispersioncoefficientthatcanbedeterminedbyatracerstudyareimportantparametersforwater-qualitymodels.Determinedinadvancetopotentialspilledorreleasednoxioussubstances,velocityanddispersionratesareusedtopredictthetimeofarrival,passagetime,andmaximumconcentration.Publichealthofficialsneedthisinformationtodecidewhether,when,andhowlongtosuspendoperationsofpublicwater-supplyintakesinthereachdownstreamofaspill.Assumptions:Thistestmethodassumesthatthedyetracerbehavesinthesamemannerasthewaterinwhichitisinjected.Dispersionandmixingofthetracerinthereceivingriveroccurinallthreedimensionsofthechannel.Longitudinalmixingisunendingsinceboundariesdonotexistinthisdirection.Thetracerresponsecurveatapointdownstreamfromthepointoftracerinjectioncanberepresentedbyplottingthetracerconcentrationagainstelapsedtimesincetheinjection(Fig.1).Atracerresponsecurvehasfourimportantcharacteristics:theelapsedtimetotheresponsecurve''sleadingedge;elapsedtimetotheresponsecurve''speakconcentration;elapsedtimetotheresponsecurve''scentroid;andelapsedtimetoresponsecurvetrailingedgeat2%ofthepeakconcentration.Betweentwomonitoringlocationsseparatedbyalongstreamlength,thetime-of-travelforindividualresponsecurvecharacteristicsisthedifferenceintheelapsedtimessinceinjectionforthatcharacteristicatthetwolocations.Thedurationortimeofpassageofatracerresponsecurveataparticularriverlocationisthedifferencebetweentheslowesttrailingedgeelapsedtimesinceinjectionandtheearliestleadingedgeelapsedtimesinceinjectiondeterminedinthecrosssection.Tracers:Conservativetracersusedtoinvestigatefluidmotionaregenerallyextrinsic,artificial,andchemicalsubstancesandareusuallyclassifiedaccordingtothemethodsofdetectionusedandchemicalcomposition.Propertiestobeconsideredwhenselectingatracerforastudyincludedetectability,toxicity,solubility,cost,naturalbackgroundconcentration,andsorptioncharacteristics.FluorescentdyetracerssuchasRhodamineWT,pontacylpink,andacidyellow7aregenerallygoodchemicaltracers.RhodamineWThasthemostnumerousqualitiespreferredbymanystateandfederalagenciesforopen-channelstudies.Othertracerscanbeusedwhenwater-qualityorphysicalconditionsarenotsuitablefortheuseoffluorescentdyesinaproposedstudyreach.Theseincludesalt-basedchemicaltracerssuchassodiumchloride,radioactivetracerssuchastritium,andtracersdeterminedwithneutronactivationanalysissuchasbromineandlithium(3).Thesetracersareconsideredtobegenerallyconservativeand,intermsofthistestmethod,differprimarilyintheapparatusrequiredtomeasuretheconcentrationsinthestudyreach.Discussionsinsubsequentsectionswillbelimitedtofluorescentdyebecauseofthesimplicityoffluorometricanalysis.Differenttracersrequirevariedlevelsofpermitsbeforebeingintroducedintotheenvironment.Forexample,radioactivetracersrequirepermitsfromtheNuclearRegulatoryCommission(NRC)andusuallystateandlocalpermits.Fluorescentdyetracersdonotusuallyrequireformalpermitsforuseinastudy.【英文标准名称】:StandardSpecificationforFlexiblePre-InsulatedPiping
【原文标准名称】:柔性预绝缘管规范标准规范
【标准号】:ASTMF2165-2002(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F17.11
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:bendforcetest;flexiblepre-insulatedpiping;plasticpre-insulatedpiping;pre-insulatedpipe;Bendforcetest;Endsealtesting;Flexiblepre-insulatedpipe;Plasticpipe/tubing/fittings--specifications;Pre-insulatedpipe
【摘要】:1.1Thisspecificationcoversflexible,pre-insulatedpipingcommonlyusedtoconveyhotandcoldfluids.1.2Thisspecificationestablishesmaterialsandperformancerequirementsforflexible,pre-insulatedpipingintendedforhotandchilledwaterapplications.1.3Pipingsystemsmayincludeoneormorecarrierpipeswithinacommonouterjacket.1.4Thetextofthisspecificationreferencesnotesandfootnotesthatprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredpartofthisstandard.1.5Units8212;Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.6Thefollowingsafetyhazardscaveatpertainstothetestmethodsportion,Section7,ofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequirementspriortouse.
【中国标准分类号】:G42
【国际标准分类号】:83_140_40
【页数】:5P.;A4
【正文语种】:英语
