ASTM G73-2004 液体浸蚀试验的标准规程

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【英文标准名称】:StandardPracticeforLiquidImpingementErosionTesting
【原文标准名称】:液体浸蚀试验的标准规程
【标准号】:ASTMG73-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:G02.10
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:试验;液体;腐蚀;侵蚀;冲击试验;磨损;碰撞;金属
【英文主题词】:dropletimpact;erosion;erosionbyliquids;erosionresistance;erosiontest;liquidimpact;liquidimpingement;rainerosion;rotatingarmapparatus
【摘要】:1.1Thispracticecoverstestsinwhichsolidspecimensareerodedorotherwisedamagedbyrepeateddiscreteimpactsofliquiddropsorjets.Amongthecollateralformsofdamageconsideredaredegradationofopticalpropertiesofwindowmaterials,andpenetration,separation,ordestructionofcoatings.Theobjectiveofthetestsmaybetodeterminetheresistancetoerosionorotherdamageofthematerialsorcoatingsundertest,ortoinvestigatethedamagemechanismsandtheeffectoftestvariables.Becauseofthespecializednatureofthesetestsandthedesireinmanycasestosimulatetosomedegreetheexpectedserviceenvironment,thepromulgationofamethodisnotdeemedpracticable.Thispracticegivesguidanceinsettingupatest,andspecifiestestandanalysisproceduresandreportingrequirementsthatcanbefollowedevenwithquitewidelydifferingmaterials,testfacilities,andtestconditions.Italsoprovidesastandardizedscaleoferosionresistancenumbersapplicabletometalsandotherstructuralmaterials.Itserves,tosomedegree,asatutorialonliquidimpingementerosion.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Theinch-poundunitsinparenthesesareprovidedforinformation.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H25
【国际标准分类号】:19_060;77_060
【页数】:18P.;A4
【正文语种】:


【英文标准名称】:Digitalvideobroadcasting(DVB)-Framingstructure,channelcodingandmodulationforcablesystems;EnglishversionEN300429V1.2.1(1998.04)
【原文标准名称】:数字电视广播(DVB).电缆系统用框形结构、频道编码和调制
【标准号】:EN300429-1998
【标准状态】:现行
【国别】:
【发布日期】:1998-10
【实施或试行日期】:
【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】:电视传输;编码;数据传送;电信;数字信号;电缆电视;运河;声传输;数字工程;电视信号;电视;调制
【英文主题词】:Cablesystems;Cabletelevision;Canals;Channelcoding;Datatransfer;Digitalengineering;Digitalsignals;DVB;Encoding;Modulation;Soundtransmission;Telecommunication;Telecommunications;Television;Televisiontransmission;Visionsignals
【摘要】:
【中国标准分类号】:M74
【国际标准分类号】:33_060_40
【页数】:22P.;A4
【正文语种】:英语