【英文标准名称】:Reciprocatinginternalcombustionengines;performance;part6:overspeedprotection
【原文标准名称】:往复式内燃机性能第6部分:超速保护
【标准号】:ISO3046-6-1990
【标准状态】:现行
【国别】:国际
【发布日期】:1990-10
【实施或试行日期】:1990-10-01
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC70
【标准类型】:()
【标准水平】:()
【中文主题词】:安全装置;规范(验收);定义;原动机;内燃机;速度控制;速度控制器;规范;往复式发动机;车速限制
【英文主题词】:Definitions;Equipmentprotection;Internalcombustionengines;Primemovers;Railwayapplications;Railwayvehicles;Reciprocatingengines;Safetydevices;Specification(approval);Specifications;Speedcontrollers;Speedlimits;Velocitycontrol
【摘要】:Establishesgeneralrequirementsanddefinitionsforlimitingdevices.Wherenecessary,individualrequirementsmaybegivenforparticularapplications.itappliestoenginesforland,rail-traction,andmarineuse,excludingenginesusedtopropelagriculturalandindustrialtypesoftractors,roadvehiclesandaircraft,roadconstructionandearth-movingmachines.
【中国标准分类号】:J90
【国际标准分类号】:27_020
【页数】:3P;A4
【正文语种】:英语


【英文标准名称】:StandardGuideforAssessingBiodegradabilityofHydraulicFluids
【原文标准名称】:评定液压流体生物降解性的标准指南
【标准号】:ASTMD6006-1997a(2003)
【标准状态】:现行
【国别】:
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D02.12
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:biodegradation;hydraulicfluids;persistence;water-insoluble;
【摘要】:Thisguidediscusseswaystoassessthelikelihoodthatahydraulicfluidwillundergobiodegradationifitentersanenvironmentthatisknowntosupportbiodegradationofsomesubstances,forexamplethematerialusedasthepositivecontrolinthetest.Theinformationcanbeusedinmakingorassessingclaimsofbiodegradabilityofafluidformula.Biodegradationoccurswhenafluidinteractswiththeenvironment,andsotheextentofbiodegradationisafunctionofboththechemicalcompositionofthehydraulicfluidandthephysical,chemical,andbiologicalstatusoftheenvironmentatthetimethefluidentersit.Thisguidecannotassistinjudgingthestatusofaparticularenvironment,soitisnotmeanttoprovidestandardsforjudgingthepersistenceofahydraulicfluidinanyspecificenvironmenteithernaturalorman-made.Ifanyofthetestsdiscussedinthisguidegivesahighresult,itimpliesthatthehydraulicfluidwillbiodegradeandwillnotpersistintheenvironmentalcompartmentbeingconsidered.Ifalowresultisobtained,itdoesnotmeannecessarilythatthesubstancewillnotbiodegradeintheenvironment,butdoesmeanthatfurthertestingisrequiredifaclaimofbiodegradabilityistobemade.Suchtestingmayinclude,butisnotlimitedto,othertestsmentionedinthisguideorsimulationtestsforaparticularenvironmentalcompartment.1.1Thisguideprovidesinformationtoassistinjudgingthebiodegradabilityofanunusedfullyformulatedhydraulicfluidinitsoriginalform.Biodegradabilityisoneofthreecharacteristicswhichareassessedwhenjudgingtheenvironmentalimpactofahydraulicfluid.Theothertwocharacteristicsareecotoxicityandbioaccumulation.1.2Biodegradabilitymaybeconsideredbytypeofenvironmentalcompartment:aerobicfreshwater,aerobicmarine,aerobicsoil,andanaerobicmedia.Testmethodsforaerobicfreshwater,aerobicsoilandanaerobicmediahavebeendevelopedthatareappropriatefortheconcernsandneedsoftestingineachcompartment.1.3Thisguideaddressesreleasestotheenvironmentthatareincidentaltotheuseofahydraulicfluidbutisnotintendedtocoversituationsofmajor,accidentalrelease.Nothinginthisguideshouldbetakentorelievetheuseroftheresponsibilitytoproperlyuseanddisposeofhydraulicfluids.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E39
【国际标准分类号】:75_120
【页数】:6P.;A4
【正文语种】: