【英文标准名称】:Agriculturalwheeledtractors-Front-mountedequipment-Part1:Powertake-offandthree-pointlinkage
【原文标准名称】:农业轮式拖拉机前悬装置第1部分:功率输出和三点悬挂装置
【标准号】:ISO8759-1-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-03
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC23
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;定义;规范(验收);安全要求;尺寸;前置悬挂装置;农业机械;轮式机械;牵引车;动力输出
【英文主题词】:Adapters;Agriculturalengineering;Agriculturalequipment;Agriculturalmachines;Agriculturaltractors;Clutches;Definition;Definitions;Dimensions;Frontlinkages;Layout;Linkages;Mechanicalengineering;Powertake-off;Protectiondevices;Rotationalspeeds;Safetyrequirements;Specification(approval);Three-pointlinkage;Tractors;Vehiclecomponents;Wheeledmachines;Zonesofcomfort
【摘要】:ThispartofISO8759specifiesdimensionsandrequirementsforpowertake-offandforthree-pointlinkagesinassociationwithapowerliftfortheattachmentofimplementsorequipmenttothefrontofagriculturalwheeledtractors.Itisnotapplicabletotractorswhicharedesignedtorunintwodirections,whereeitherendcanbeconsideredtobethefrontortherear;inthiscaseISO500andISO730-1apply.
【中国标准分类号】:T62
【国际标准分类号】:65_060_10
【页数】:5P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforEvaluationofDurabilityofRockforErosionControlUnderWettingandDryingConditions
【原文标准名称】:在潮湿和干燥条件下评价侵蚀控制岩石耐久性的标准试验方法
【标准号】:ASTMD5313-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:D18.17
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:岩石;稳定性;土壤普查;试验
【英文主题词】:armorstone;breakwaterstone;climaticsetting;erosioncontrol;gabion-fill;laboratorytesting;riprap;rock;rockmaterialproperties;wetting-drying
【摘要】:Rockusedforerosioncontrolmayconsistofseveraltypes,dependingonpotentialuse.Onetypemaybearmorstoneweighingfromonetothreetonsorbreakwaterstoneweighingthreetotwentytonsplacedalongshorelinesorinjettiestoprotecttheshorelinefromerosionduetotheactionoflargewaves.Anothertypemayberiprapusuallyweighinglessthanatonandplacedalongriverbanksorontheslopesofdamstopreventerosionduetorun-off,waveactionorstream-flow.Athirdtypemaybegabion-fillweighinglessthan22kg(50lb)andplacedinbasketsofwireorothersuitablematerial.Thesebasketsarethentiedtogethertoformanintegralstructuredesignedtoresisterosionalongstreambanksandaroundbridgepiers.Nomatterwhatformittakes,rockforerosioncontrolconsistsofindividualpiecesofnaturalstone.Theabilityoftheseindividualpiecesofstonetoresistdeteriorationduetoweatheringactionaffectsthestabilityoftheintegralplacementofrockforerosioncontrolandhence,thestabilityofconstructionprojects,shorelines,andstreambanks.Thistestmethodisdesignedtodeterminetheeffectsontheindividualpiecesofrockforerosioncontrolofwettinganddryingactionandtheresistanceoftherocktodeterioration.ThistestmethodwasdevelopedtobeusedinconjunctionwithadditionaltestmethodslistedinPracticeD4992.Thistestmethoddoesnotprovideanabsolutevaluebutratheranindicationoftheresistancetowettinganddrying;therefore,theresultsofthistestmethodarenottobeusedasthesolebasisforthedeterminationofrockdurability.Note18212;Thequalityoftheresultproducedbythisstandardisdependantuponthecompetenceofthepersonnelperformingit,andthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetestingandsampling.UsersofthisstandardarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliableresults.Reliableresultsdependonmanyfactors;PracticeD3740providesameansofevaluationsomeofthosefactors.1.1Thistestmethodcoversproceduresforevaluatingthedurabilityofrockforerosioncontrolwhenexposedtowettinganddryingconditions.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P13
【国际标准分类号】:
【页数】:3P.;A4
【正文语种】: