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NF U02-015-2009 农业和林业机械.带有装配好的旋转式中耕机可在侧面操纵的拖拉机,电动锄具,带驱动轮的电动锄具

作者:标准资料网 时间:2024-05-13 18:06:55  浏览:8603   来源:标准资料网
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【英文标准名称】:Agriculturalandforestrymachinery-Pedestriancontrolledtractorswithmountedrotarycultivators,motorhoes,motorhoeswithdrivewheel(s)-Safety.
【原文标准名称】:农业和林业机械.带有装配好的旋转式中耕机可在侧面操纵的拖拉机,电动锄具,带驱动轮的电动锄具
【标准号】:NFU02-015-2009
【标准状态】:作废
【国别】:法国
【发布日期】:2009-07-01
【实施或试行日期】:2009-07-24
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Agriculturalmachines;Agriculturaltractors;Agriculture;Anatomy;Batching;Brakes;Clearances;Combustion;Communication;Contact;Covers;Cutting;Dangerzones;Definitions;Design;Easy-reacharea;Electricalcords;Ergonomics;Exhaustgases;Explosionhazard;Firehazards;Forestry;Graphicsymbols;Handoperated;Handleshafts;Handlebars;Handling;Hazards;Heat;Hoes;Inhalation;Machines;Marking;Measurement;Mechanicalcrimping;Millingcutters;Motorhoewithdrivingwheels;Noise;Noise(environmental);Operatingconditions;Operatingelements;Operatinginstructions;Protectioncoverings;Protectiondevices;Safety;Safetyengineering;Safetymeasures;Safetyofmachinery;Safetyrequirements;Shearing;Slipping;Soilcultivation;Soil-workingequipment;Specification(approval);Startingdevices;Steeringforce;Steeringinstallations;Stumble;Surfaces;Temperature;Testequipment;Testing;Tools;Tractors;Userinformation;Vibration;Walkingtractors;Warningsymbols
【摘要】:
【中国标准分类号】:B90
【国际标准分类号】:65_060_20
【页数】:35P;A4
【正文语种】:其他


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【英文标准名称】:GeometricalProductSpecifications(GPS)-"GO"and"NOTGO"screwpluggaugesforISOgeneralpurposemetricscrewthreadsfrom1mmupto40mmnominaldiameter
【原文标准名称】:几何产品规范(GPS).螺纹公称直径1mm至40mm的ISO通用公制螺纹的过端和不过端螺纹塞规
【标准号】:DIN2280-2001
【标准状态】:现行
【国别】:德国
【发布日期】:2001-12
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:螺纹;塞规;量规体;过端量规;作标记;公差(测量);ISO螺纹;量规手柄;米制的;规范(验收);量规;ISO米制螺纹;尺寸
【英文主题词】:tolerances(measurement);gaugingmembers;specification(approval);threads;gaugehandles;isoscrewthreads;dimensions;metric;isometricthreads;pluggauges;go-gaugingmembers;marking;gauges
【摘要】:
【中国标准分类号】:J42
【国际标准分类号】:21_040_10;17_040_30
【页数】:4P;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodforBreakingStrengthandElongationofTextileFabrics(GrabTest)
【原文标准名称】:纺织品断裂强力及伸长率标准试验方法(抓样法)
【标准号】:ASTMD5034-2009
【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】:D13.60
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:breaking-strength;elongation;fabric;nonwovenfabric;wovenfabric;Nonwoventextilefabrics;Tensileproperties/testing--textilematerials/applications;Textilefabrics(felted);Textilefabrics(general);Wettesting;Woventextilefabrics;Breaki
【摘要】:Thegrabtestprocedureinthistestmethodforthedeterminationofbreakingforceandelongationisconsideredsatisfactoryforacceptancetestingofcommercialshipmentsofmostwovenornonwoventextilefabrics,andthemodifiedgrabtestprocedureisconsideredsatisfactoryforacceptancetestingofcommercialshipmentsofmostwoventextilefabrics,sincetheprocedureshavebeenusedextensivelyinthetradeforacceptancetesting.Incaseofdisagreementarisingfromdifferencesinreportedtestvalueswhenusingthistestmethodforacceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimenswhichareashomogeneousaspossibleandwhicharefromalotofmaterialofthetypeinquestion.Thetestspecimensshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudent''st-testforunpaireddataandanacceptableprobabilitylevelchosenbythetwopartiesbeforetestingisbegun.Ifabiasisfound,eitheritscausemustbefoundandcorrected,orthepurchaserandthesuppliermustagreetointerpretfuturetestresultsinlightoftheknownbias.Thistestmethodisnotrecommendedforknittedfabricsbecauseoftheirhighstretch.Somemodificationoftechniquemaybenecessaryforanyfabrichavingastrengthinexcessof200-N/cm(1140-lb/in.)width.Specialprecautionarymeasuresareprovidedforusewhennecessaryforstrongfabrics.Alloftheproceduresareapplicablefortestingfabricseitherconditionedorwet.Comparisonofresultsfromtensiletestingmachinesoperatingondifferentprinciplesisnotrecommended.Whendifferenttypesofmachinesareusedforcomparisontesting,constant-time-to-breakat20x00B1;3sistheestablishedwayofproducingdata.Eventhenthedatamaydiffersignificantly.Althoughaconstant-rate-of-extensionispreferredintheseprocedures,incasesofdispute,unlessthereisagreementtothecontrarybetweenthepurchaserandthesupplier,aconstant-time-to-break(20x00B1;3s)istobeused.Thegrabtestprocedureisapplicabletothedeterminationoftheeffectivestrengthofthefabric;thatis,thestrengthoftheyarnsinaspecificwidthtogetherwiththefabricassistancefromtheadjacentyarns.Thebreakingforcedeterminedbythegrabprocedureisnotareflectionofthestrengthoftheyarnsactuallygrippedbetweenclampsandcannotbeusedfordirectcomparisonwithyarnstrengthdeterminations.Grabtestspecimensrequiremuchlesstimetopreparealthoughtheyrequiremorefabricperspecimen.Thereisnosimplerelationshipbetweengrabtestsandstriptestssincetheamountoffabricassistancedependsonthetypeoffabricandconstructionvariables.Themodifiedgrabtestprocedureisapplicabletothedeterminationofthebreakingforceoffabricswithconstructionsinwhichtheapplicationoftensilestressonraveledstripspecimensproducesfurtherunraveling.Thistestmethodisparticularlyapplicabletohigh-strengthfabrics.MetricEquivalentsin.
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