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ISO 3767-4-1993 拖拉机、农业和林业机械、有源的草坪和花园设备.操作者控制器和其它显示器用术语.第4部分.林业机械符号

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【英文标准名称】:Tractors,machineryforagricultureandforestry,poweredlawnandgardenequipment;symbolsforoperatorcontrolsandotherdisplays;part4:symbolsforforestrymachinery
【原文标准名称】:拖拉机、农业和林业机械、有源的草坪和花园设备.操作者控制器和其它显示器用术语.第4部分.林业机械符号
【标准号】:ISO3767-4-1993
【标准状态】:现行
【国别】:国际
【发布日期】:1993-12
【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】:农业设备;农用机器;农业;控制装置;控制器;定义;名称和符号;人类功效学;林业;林业设备;林业机器;图形符号;指示;器械;机械工程;符号;证据;拖拉机;工作场所
【英文主题词】:Agriculturalequipment;Agriculturalmachines;Agriculture;Applications;Colour;Controldevices;Controls;Definitions;Designations;Ergonomics;Forestry;Forestryequipment;Forestrymachines;Grabs;Graphicsymbols;Handling;Harvestingequipment;Indications;Instruments;Mechanicalengineering;Operatingstations;Operators;Saws;Shape;Stabilizers;Symbols;Telltales;Tractors;Winds;Workingplaces
【摘要】:Establishes113graphicalsymbolsuniquelyforuseonoperatorcontrolsandotherdisplaysonspecializedforestrymachineryasdefinedinISO6814,suchaslogloaders.Alsoincludedaresymbolsforcontrolsanddisplaysspecifictoequipmentsuchassaws,stabilizersandwinches.
【中国标准分类号】:B90;T60
【国际标准分类号】:01_080_30;65_060_80
【页数】:28P;A4
【正文语种】:英语


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基本信息
标准名称:铁路给水排水工程劳动定员定额
中标分类: 铁路 >> 铁路综合 >> 经济管理
发布日期:2003-12-25
实施日期:2004-04-01
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作废日期:
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所属分类: 铁路 铁路综合 经济管理
【英文标准名称】:StandardTestMethodforDeterminingThermoplasticPipeWallStiffness
【原文标准名称】:测定热塑管管壁刚度的标准试验方法
【标准号】:ASTMF2433-2005(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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】:F17.40
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:buckling;modulusofrelaxation;momentofinertia;pipestiffness;residualpipestiffness;Momentofinertia;Thermoplasticpipe/tube/fittings
【摘要】:Theperformanceunderbendingandcompressionloadofathermoplasticplasticpipewalldesignobtainedbythismethodcanbeusedforthefollowing:Todeterminethestiffnessofthepipewallsection.Thisisafunctionofthepipedimensions,thewalldesign,thearclengthtested,andthephysicalpropertiesofthematerialofwhichthepipeismade.Tocomparethecharacteristicsofvariousthermoplasticpipewalldesigns.Tocomparethecharacteristicsofvariousplasticsinpipeform.Tostudytheinterrelationsofdimensions,materials,anddeformationpropertiesofthermoplasticpipedesigns.Tomeasurethedeformationandload-resistanceatanyofseveralsignificanteventswhichmayoccurduringthetest.Toprovideareasonablequalitycontrol/qualityassurancetestforverylargediameterplasticpipes.Thetime-dependentpipewallstiffnessofathermoplasticpipeobtainedbythistestmethodmayusedforthefollowing:Topredicttheresidualstiffnessofthepipewallinbendingandcompressionatalltimesafterinitialloading.Forpurposesofdesign,todetermineamodulusofrelaxationundersustainedloads.Toquantifytheinfluenceofmaterialformulationsofthermoplasticsonthemodulusofrelaxation.Tostudytheinfluenceofgeometricpatternsofwallprofilesonthemodulusofrelaxation.Thetime-independentreductionofwallthicknessatspringlinemaybeusedforthefollowing:Forpipewallstiffness,toquantifytheefficiencyofallwallprofilesofanymaterialcompositionandagivengeometrywiththatofasoliduniformthicknesswall.1.1Thistestmethodcoversthedeterminationoftheload-deflectionbehaviorofthermoplasticpipewallsectionsunderparallelplateloadingconditions.Note18212;Thesearenotfullpipesectiontests,butpipewallsegmenttests.TheresultsofthesetestswillbedifferentfrompipestiffnesstestsperTestMethodD2412,althoughtheymaybeproportional.Thistestprovidesquitedifferentinformation,including,stressrelaxationunderconstantstrain,andcomparisonsofthefunctionandstiffnessofdifferentpipewalldesignsormaterials.1.2Thistestmethodcoversaloadingtestfordeterminingthewallstiffnessofathermoplastic-pipewallunderacombinedloadofbendingandcompression.Changesinpipewallprofilegeometryunderloadmayalsobedetermined.1.3Thistestmethodcoversthermoplasticpipe.1.4Thecharacteristicsdeterminedbythistestmethodarewallstiffnessandchangesinprofilewalldimensionsatspecificdeformations.1.5Thecharacteristicsdeterminedbythistestmethodarewallstiffness,profilewallefficiency,andforsomewallelementsstabilityatspecificStrainlevels.1.6ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.7Thetextofthisspecificationreferencesnotesandfootnotesthatprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthespecification.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33
【国际标准分类号】:23_040_20
【页数】:6P.;A4
【正文语种】:英语