IEC 60147-0D-1974 第4次补充
作者:标准资料网 时间:2024-05-16 21:28:32 浏览:9843
来源:标准资料网
【英文标准名称】:
【原文标准名称】:第4次补充
【标准号】:IEC60147-0D-1974
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:L40
【国际标准分类号】:
【页数】:
【正文语种】:
Product Code:SAE J551/15
Title:Vehicle Electromagnetic Immunity--Electrostatic Discharge (ESD)
Issuing Committee:Electromagnetic Compatibility (Emc) Standards
Scope: This SAE Standard specifies the ESD test methods and procedures necessary to evaluate electronic modules intended for vehicle use. It describes test procedures for evaluating electronic modules in complete vehicles.A procedure for verifying the simulator that is used to generate the electrostatic discharges is given in Appendix AFunctional status classifications for immunity to ESD are given in Appendix B.【英文标准名称】:StandardTestMethodforConcretePipeSewerlinesbyNegativeAirPressure(Vacuum)TestMethod
【原文标准名称】:负压(真空)试验法测定混凝土管下水道的标准试验方法
【标准号】:ASTMC1214-2002(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:C13.09
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Concretepipe;Density--concrete;Negativeairpressure(vacuum)method;Portlandcement;Pressuretesting--concretepipe;Sewerlines;Silica
【摘要】:Thisisnotaroutinetest.Thevaluesrecordedareapplicableonlytothesewerbeingtestedandatthetimeoftesting.1.1Thistestmethodcoversproceduresfortestingconcretepipesewerlines,whenusingthenegativeairpressure(vacuum)testmethodtodemonstratetheintegrityoftheinstalledmaterialandtheconstructionprocedures.Thistestmethodcoverstestingof4to36-in.diametercircularconcretepipesewerlinesutilizinggasketedjoints.Note18212;Theuserofthistestmethodisadvisedthatmethodsdescribedhereinmayalsobeusedasapreliminarytesttoenablethemanufacturerorinstallertodemonstratetheconditionofsewerpipepriortodeliveryorbackfill.MinimumtesttimespresentedinTable1areforpipelines.Holdingtimesfortestinganindividualpipemayhavetobeincreasedtoallowfortheaccumulationofleakagewhenthetestedpipeareincorporatedintoacontinuouspipeline.Note28212;Theuserofthistestmethodisadvisedthatthenegativeairpressure(vacuum)testcriteriapresentedinthistestmethodaresimilartothoseingeneraluse.Thetestandcriteriahavebeenusedwidelyandsuccessfullyintestingsmallerdiameterpipe.Largerpipewillbeacceptedmoreconvenientlybyvisualinspectionandindividualjointtesting.Note38212;Theuserofthistestmethodisadvisedthatnocorrelationhasbeenfoundbetweenlossofvacuumandwaterleakage.1.2Thistestmethodistheinch-poundcompaniontoTestMethodC1214M;therefore,noSIequivalentsarepresentedinthetestmethod.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeSection6forspecificsafetyprecautions.
【中国标准分类号】:Q81
【国际标准分类号】:23_040_50
【页数】:3P.;A4
【正文语种】:英语
