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JB/T 51118.1-1994 内燃机整圆主轴承产品质量分等 质量指标

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基本信息
标准名称:内燃机整圆主轴承产品质量分等 质量指标
中标分类: 机械 >> 活塞式内燃机与其他动力设备 >> 机体与运动件
替代情况:被JB/T 51118-1999代替
发布日期:
实施日期:1993-01-01
首发日期:
作废日期:
出版日期:
页数:4页
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所属分类: 机械 活塞式内燃机与其他动力设备 机体与运动件
【英文标准名称】:StandardTestMethodforDeterminationofSedimentRetentionDeviceEffectivenessinSheetFlowApplications
【原文标准名称】:薄层地表水流中沉淀物滞留装置有效性的测定用标准试验方法
【标准号】:ASTMD7351-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D18.25
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:测定;水流;土壤性质;滞留;沉淀物;薄层地表;土壤普查;测试
【英文主题词】:sediment;sedimentcontrol;Sedimentretentiondevice;siltfence
【摘要】:Thistestmethodquantifiestheabilityofasedimentretentiondevice(SRD)toretainerodedsedimentscausedbysheetflowingwaterunderfull-scaleconditions.ThistestmethodmayalsoassistinidentifyingphysicalattributesofSRDsthatcontributetotheirerosioncontrolperformance.TheeffectivenessofSRDsisinstallationdependent.Thus,replicatingfieldinstallationtechniquesisanimportantaspectofthistestmethod.Thistestmethodisfull-scaleandtherefore,appropriateasanindicationofproductperformance,forgeneralcomparisonofproductcapabilities,andforassessmentofproductinstallationtechniques.Note18212;TestMethodD5141isanalternatetestmethodforevaluatingsedimentretentiondeviceeffectiveness,ifitisnotnecessarytosimulatefieldinstallationconditions.Note28212;Thequalityoftheresultproducedbythisstandardisdependentonthecompetenceofthepersonnelperformingit,andthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting/sampling/inspection/etc.UsersofthisstandardarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliableresults.Reliableresultsdependonmanyfactors:PracticeD3740providesameansofevaluatingsomeofthosefactors.1.1Thistestmethodestablishestheguidelines,requirementsandproceduresforevaluatingtheabilityofSedimentRetentionDevices(SRDs)toretainsedimentwhenexposedtosediment-ladenwater"sheet"flows.1.2ThistestmethodisapplicabletotheuseofanSRDasaverticalpermeableinterceptordesignedtoremovesuspendedsoilfromoverland,nonconcentratedwaterflow.ThefunctionofanSRDistotrapandallowsettlementofsoilparticlesfromsedimentladenwater.Thepurposeistoreducethetransportoferodedsoilfromadisturbedsitebywaterrunoff.1.3Thetestmethodpresentedhereinisintendedtoindicaterepresentativeperformanceandisnotnecessarilyadequateforallpurposesinviewofthewidevarietyofpossiblesedimentsandperformanceobjectives.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Theinch-poundvaluesgiveninparenthesesareprovidedforinformationpurposesonly.1.5AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.5.1Theproceduresusedtospecifyhowdataarecollected/recordedandcalculatedinthisstandardareregardedastheindustrystandard.Inaddition,theyarerepresentativeofthesignificantdigitsthatshouldgenerallyberetained.Theproceduresuseddonotconsidermaterialvariation,purposeforobtainingthedata,specialpurposestudies,oranyconsiderationfortheusersobjectives;anditiscommonpracticetoincreaseorreducesignificantdigitsofreporteddatatocommensuratewiththeseconsiderations.Itisbeyondthescopeofthisstandardtoconsidersignificantdigitsusedinanalysismethodsforengineeringdesign.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B11
【国际标准分类号】:13_080_05
【页数】:6P.;A4
【正文语种】:


【英文标准名称】:Safetyofmachinery-Humanbodymeasurements-Part1:Principlesfordeterminingthedimensionsrequiredforopeningsforwholebodyaccessintomachinery;GermanversionEN547-1:1996+A1:2008
【原文标准名称】:机械安全.人体测量.第1部分:机器工作场地人体通道尺寸测定用原理
【标准号】:EN547-1-2008
【标准状态】:现行
【国别】:
【发布日期】:2009-01
【实施或试行日期】:2009-01-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:通路;检查孔;事故预防;人体测量特征;人体测量术;应用;人体尺寸;钻孔口;设计;尺寸选定;尺寸;人类工效学;指导原则;人体;机械;人孔;人机;开口;操作者;通道;人;百分点;安全;机械安全;安全要求;规范(验收);使用;工作场所布置;工作地点
【英文主题词】:Access;Accessopenings;Accidentprevention;Anthropometriccharacteristics;Anthropometry;Applications;Bodysize;Boreopenings;Design;Dimensioning;Dimensions;Ergonomics;Guidingprinciple;Humanbody;Machines;Manholes;Man-machine;Openings;Operators(personnel);Passages;People;Percentile;Safety;Safetyofmachinery;Safetyrequirements;Size;Specification(approval);Use;Workplacelayout;Workingplaces
【摘要】:
【中国标准分类号】:C66;A25
【国际标准分类号】:13_110;13_180
【页数】:20P.;A4
【正文语种】:英语