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ASTM D6006-1997a(2003) 评定液压流体生物降解性的标准指南

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【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】:


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【英文标准名称】:OutlineofInvestigationforResidentialPipeHeatingCableIssueNumber:4
【原文标准名称】:住宅用管道加热电缆的调查纲要(版本号4)
【标准号】:ULSUBJECT2049-2006
【标准状态】:现行
【国别】:美国
【发布日期】:2006-06-21
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:1.1Thisoutlinecoversresidentialpipeheatingcableintendedtoreducethelikelihoodofwaterfreezinginexposedpipesofresidences.ThesedevicesareconsideredappliancesinaccordancewithArticle422oftheNationalElectricalCode,NFPA70.1.2Cableunitsemployingdifferentheatingconductors,insulation,orotherformsofconstructionmaybeexaminedandtestedinaccordancewiththeintentofthisoutline,andiffoundtobesubstantiallyequivalent,maybecovered.1.3Residentialpipeheatingcablesmaybeinstalledonmetalorrigidplasticpipes.Plasticpipesareconsideredtohaveamaximumlong-termthermalexposurelimitof50°Cabsolute.1.4Theseheatingcablesarelimitedtoapplicationswheretheyarenotexposedtoweatherunlessadditionallyevaluatedforoutdooruse.
【中国标准分类号】:K13
【国际标准分类号】:
【页数】:12P.;A4
【正文语种】:英语


【英文标准名称】:Railwayrollingstock.Fluidpowersystems.Graphicsymbols.
【原文标准名称】:铁路车辆.流体动力系统.图解符号
【标准号】:NFF11-010-1998
【标准状态】:现行
【国别】:法国
【发布日期】:1998-03-01
【实施或试行日期】:1998-03-20
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:S30
【国际标准分类号】:45_060_01;01_080_99
【页数】:34P;A4
【正文语种】:其他