ANSI/AWS C4.5M-2012 氧化燃料喷嘴的统一命名体系
作者:标准资料网 时间:2024-05-12 22:19:19 浏览:9102
来源:标准资料网
【英文标准名称】:UniformDesignationSystemforOxyfuelNozzles
【原文标准名称】:氧化燃料喷嘴的统一命名体系
【标准号】:ANSI/AWSC4.5M-2012
【标准状态】:现行
【国别】:美国
【发布日期】:2012
【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】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:硬钎焊设备;切削工具;命名体制;名称与符号;燃料气体;喷嘴;氧;焊接;焊接工程;焊接设备
【英文主题词】:Brazingequipment;Cuttingtools;Designationsystems;Designations;Fuelgases;Nozzles;Oxygen;Welding;Weldingengineering;Weldingequipment
【摘要】:ThisdocumentpresentsrecommendationstoOxyfuelwelding,cutting,andheating/brazingtorchnozzlemanufacturersregardingtheidentificationmarkingstobepermanentlyappliedtothetorchnozzletoidentifyitsintendedapplication.Theidentificationwillprovideinformationtoimprovethesafeoperationandapplicationofnozzlesbytorchoperators.ThisstandardmakesuseoftheInternationalSystemofUnits(SI).
【中国标准分类号】:J64
【国际标准分类号】:25_160_30
【页数】:
【正文语种】:英语
【英文标准名称】:Halogenatedagentextinguishingsystemsunits
【原文标准名称】:卤化剂灭火系统设备
【标准号】:UL1058-2006
【标准状态】:现行
【国别】:美国
【发布日期】:2006-11-20
【实施或试行日期】:
【发布单位】:美国保险商实验所(UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:自动;灭火器;灭火材料;卤素;HALON灭火设备;喷嘴;性能;生产控制;质量;试验;阀门;工作压力
【英文主题词】:Automatic;Fireextinguishers;Fireextinguishingmaterials;Halogen;Halonfireextinguishingplant;Nozzles;Performance;Productioncontrol;Quality;Testing;Valves;Workingpressures
【摘要】:
【中国标准分类号】:C84
【国际标准分类号】:13_220_10
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforEvaluationofHydraulicPropertiesofGeosyntheticClayLinersPermeatedwithPotentiallyIncompatibleLiquids
【原文标准名称】:评价被潜在不可溶液体渗透的土工合成粘土衬液压特性的标准试验方法
【标准号】:ASTMD6766-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D35.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:coefficientofpermeability;geosyntheticclayliner(GCL);hydraulicbarrier;hydraulicconductivity;liner;permeameter;Coefficientofpermeability;Darcy'slaw;Geosyntheticclayliner(GCL);Hydraulicbarrier;Hydraulicconductivity/transmi
【摘要】:Thistestmethodappliestoone-dimensional,laminarflowofwaterorotherpermeationliquids,suchaschemicalsolutions,landfillleachate,andcontaminatedwater(hereonreferredtoastestliquid),throughsaturated/hydratedGCLspecimenthatisconsolidatedandpermeatedunderaprescribedorrequestedsetofconditions.Thistestmethodcanbeperformedtodetermineifthefluxand/orhydraulicconductivityofaGCLspecimenexceedsthemaximumvaluestatedbythemanufacturerorrequiredbytheregulatoryagencies,orboth.ItisassumedthatDarcy''slawisvalidandthatthehydraulicconductivityisessentiallyunaffectedbyhydraulicgradient.ThevalidityofDarcy''slawmaybeevaluatedbymeasuringthehydraulicconductivityofthespecimenatthreedifferenthydraulicgradients;ifallmeasuredvaluesaresimilar(withinabout25%),thenDarcy''slawmaybetakenasvalid.However,whenthehydraulicgradientactingonatestspecimenischanged,thestateofstresswillalsochange,and,ifthespecimeniscompressible,thevolumeofthespecimenwillchange.Thus,somechangeinhydraulicconductivitymayoccurwhenthehydraulicgradientisaltered,evenincaseswhereDarcy''slawisvalid.ThistestmethodprovidestoolsfordeterminingfluxandhydraulicconductivityvaluesforagivenGCLunderthefollowingtwodifferentscenarios,whichshouldbespecifiedbytherequester:Scenario1x2014;Hydrated/SaturatedwithWaterPriortoContactwithTestLiquid8212;ThisscenariosimulatesthefieldconditionswheretheGCLiswellhydratedwithwaterpriortocontactwithactualtestliquid.Itshouldbenotedthatinitialdegreeofsaturation/hydrationgreatlyaffectsthehydraulicpropertiesofaGCLproduct.Thetesthastwophases:(Phase1)hydrate,saturate,consolidateandpermeatewithwaterasTestLiquid1,and(Phase2)switchtopermeationwithtestliquidasTestLiquid2.Scenario2x2014;Hydrated/SaturatedwithTestLiquid(WorstCase)8212;ThisscenariosimulatesthefieldconditionswheretheGCLisincontactwithtestliquidpriortobeingfullyhydratedwithwater.ItshouldbenotedthatthisscenariomayresultinhigherfluxandhydraulicconductivityvaluescomparedtoScenario1aschemicalspresentintestliquidmayalterthehydrationandhydraulicpropertiesofaGCLproduct.Theapparatususedinthistestmethodiscommonlyusedtodeterminethehydraulicconductivityofsoilspecimens.However,fluxvaluesmeasuredinthistestaretypicallymuchlowerthanthosecommonlymeasuredformostnaturalsoils.Itisessentialthattheleakagerateoftheapparatusinthistestbelessthan10%oftheflux.1.1Thistestmethodcoverslaboratorymeasurementofbothfluxandhydraulicconductivity(alsoreferredtoascoefficientofpermeability)ofgeosyntheticclayliner(GCL)specimenspermeatedwithchemicalsolutionsandleachatesutilizingaflexiblewallpermeameter.Fortestmeasurementofindexhydraulicpropertiesofgeosyntheticclayliners,refertoTestMethodD5887.1.2ThistestmethodmaybeutilizedwithGCLspecimensthathaveahydraulicconductivitylessthanorequalto1x00D7;10-5m/s(1x00D7;10-3cm/s).1.3ThistestmethodisapplicabletoGCLproductshavinggeotextilebacking(s).ItisnotapplicabletoGCLproductswithgeomembranebacking(s),geofilmbacking(s)orpolymercoatingbacking(s).1.4Thistestmethodprovidesmeasurementsoffluxandhydraulicconductivityunderaprescribedsetofcondit......
【中国标准分类号】:W59
【国际标准分类号】:59_080_70
【页数】:9P.;A4
【正文语种】:英语
