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ASTM B 438/B 438M-2000 烧结铜轴承标准规范(含油的)

作者:标准资料网 时间:2024-05-28 03:47:57  浏览:9768   来源:标准资料网
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【英文标准名称】:StandardSpecificationforSinteredBronzeBearings(Oil-Impregnated)
【原文标准名称】:烧结铜轴承标准规范(含油的)
【标准号】:ASTMB438/B438M-2000
【标准状态】:作废
【国别】:美国
【发布日期】:2000
【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】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:bearings;bronzes;copperalloys
【摘要】:
【中国标准分类号】:H72
【国际标准分类号】:21_100_01
【页数】:6P;A4
【正文语种】:英语


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【英文标准名称】:Householdandsimilarelectricalappliances-Safety-Part2-21:Particularrequirementsforstoragewaterheaters(IEC60335-2-21:2002,modified);GermanversionEN60335-2-21:2003
【原文标准名称】:家用和类似用途电器的安全.第2-21部分:贮水式加热器的特殊要求
【标准号】:DINEN60335-2-21-2003
【标准状态】:作废
【国别】:德国
【发布日期】:2003-10
【实施或试行日期】:2003-10-01
【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】:规范(验收);水;液体;试验;电气器具;水蓄热器;水加热器;瞬时水加热器;水加热;家用;家用电器;电气设备;安全;防电击;定义;家用设备;家用的;电气安全;安全要求;电气工程;安全工程;家庭安全;设备安全;防事故
【英文主题词】:
【摘要】:
【中国标准分类号】:Y63
【国际标准分类号】:91_140_65
【页数】:23P;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodforDeterminationofRolledErosionControlProduct(RECP)PerformanceinProtectingEarthenChannelsfromStormwater-InducedErosion
【原文标准名称】:测定防雨水冲刷保护陶制管道用腐蚀控制产品(RECP)性能的标准试验方法
【标准号】:ASTMD6460-2007
【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】:覆盖;通道;控制;测定;侵蚀;冲刷控制;性能;冲刷;沉积物;土壤;试验方法
【英文主题词】:channellining;ECB;erosioncontrol;erosioncontrolblanket;RECP;rollederosioncontrolproduct;scour;sediment;soilloss;TRM;turfreinforcementmat
【摘要】:ThistestmethodevaluatesRECPsandtheirmeansofinstallationto:5.1.1Reducesoillossandsedimentconcentrationsinstormwaterrunoffunderconditionsofvaryingchannelconditionsandsoiltype;5.1.2Functionwithinacompositesystemactingasvegetativereinforcement;and5.1.3Improvewaterqualityexitingtheareadisturbedbyearthworkactivitybyminimizingmobilizationofin-situparticleswithinthestreambed.Thistestmethodmodelsandexaminesconditionstypicallyfoundonconstructionsitesinvolvingearthworkactivities,including:highwaysandroads;airports;residential,commercialandindustrialdevelopments;pipelines,mines,andlandfills;golfcourses;etc.Thistestmethodisaperformancetest,butcanbeusedforqualitycontroltodetermineproductconformancetoprojectspecifications.Cautionisadvisedsinceinformationregardinglaboratoryspecificprecisionisincomplete.Forprojectspecificconformance,uniqueproject-specificconditionsshouldbetakenintoconsideration.1.1Thistestmethodcoverstheguidelines,requirementsandproceduresforevaluatingtheabilityofRolledErosionControlProducts(RECPs)toprotectearthenchannelsfromstormwater-inducederosion.CriticalelementsofthisprotectionaretheabilityoftheRECPto:1.1.1Neutralizeandabsorbthehydraulicforceofstormwater,therebyreducingsoilparticlelooseningthrough"scour"mechanisms;1.1.2Slowrunoffandencouragesedimentation,therebyreducingsoilparticletransportdownstream;1.1.3Absorbshearforcesofoverlandflow;1.1.4Trapsoilparticlesbeneath;and1.1.5Promotetheestablishmentofvegetation.1.2Thistestmethodutilizesfull-scaletestingprocedures,ratherthanreduced-scale(bench-scale)simulation,andispatternedafterconditionstypicallyfoundonconstructionsitespriortoandafterrevegetationwork.Further,proceduresforevaluationofbaselineconditionsareprovided.Thus,testpreparation,testexecution,datacollection,dataanalysisandreportingprocedureshereinareintendedtobesuitablefortestingofbaresoil,unvegetatedRECP,vegetatedsoilandvegetatedRECPconditions.1.3ThistestmethodprovidesacomparativeevaluationofanunvegetatedRECPtobaselinebaresoilconditionsandavegetatedRECPtoabaseline,vegetatedconditionundercontrolledanddocumentedconditions.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Theinch-poundunitsgiveninparenthesesareprovidedforinformationpurposesonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Also,theusermustcomplywithprevalentregulatorycodes,suchasOSHA(OccupationalHealthandSafetyAdministration)guidelines,whileusingthetestmethod.
【中国标准分类号】:P57
【国际标准分类号】:13_080_01
【页数】:10P.;A4
【正文语种】:



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