【英文标准名称】:StandardTestMethodforDeterminingtheResistanceofPaintFilmsandRelatedCoatingstoFungalDefacementbyAcceleratedFour-WeekAgarPlateAssay
【原文标准名称】:用加速的四周琼脂平面培养分析测定漆膜及有关涂层耐霉菌损坏的标准试验方法
【标准号】:ASTMD5590-2000(2005)
【标准状态】:现行
【国别】:
【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(US-ASTM)
【起草单位】:D01.28
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:agarplateassay;fungi;fungalresistance;mildew;mold
【摘要】:Defacementofpaintandcoatingfilmsbyfungalgrowth(mold,mildew)isacommonphenomenon,anddefacementbyalgalgrowthcanalsooccurundercertainconditions.Itisgenerallyknownthatdifferencesintheenvironment,lighting,temperature,humidity,substratepH,andotherfactorsinadditiontothecoatingcompositionaffectthesusceptibilityofagivenpaintedsurface.Thistestmethodattemptstoprovideameanstocomparativelyevaluatedifferentcoatingformulationsfortheirrelativeperformanceunderagivensetofconditions.Itdoesnotimplythatacoatingthatresistsgrowthundertheseconditionswillnecessarilyresistgrowthintheactualapplication.Note18212;Itishopedthatarankingofrelativeperformancewouldbesimilartothatrankedfromoutdoorexposures.However,thistestmethodshouldnotbeusedasareplacementforexteriorexposure(thatis,PracticeD3456)sincemanyotherfactors,onlyafewofwhicharelistedwillaffectthoseresults.Note28212;Severalcompanieshavereportedreasonablecorrelationofresultsfromthistestwithactualusewhentestingfilm-forming,pigmentedcoatings.Round-robintestingofthistestmethodversusexteriorexposureisplanned.Familiaritywithmicrobiologicaltechniquesisrequired.Thistestmethodshouldnotbeusedbypersonswithoutatleastbasicmicrobiologicaltraining.1.1Thistestmethodcoversanacceleratedmethodfordeterminingtherelativeresistanceoftwoormorepaintsorcoatingfilmstofungalgrowth.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:87_040
【页数】:4P.;A4
【正文语种】:


【英文标准名称】:Electroacoustics-Instrumentsformeasurementofaircraftnoise-Performancerequirementsforsystemstomeasureone-third-octavebandsoundpressurelevelsinnoisecertificationoftransport-categoryaeroplanes
【原文标准名称】:电声学航空噪声测量仪器在运输机噪声鉴定中测量三分之一带宽倍频声压级装置的性能要求
【标准号】:IEC61265-1995
【标准状态】:现行
【国别】:国际
【发布日期】:1995-04
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC29
【标准类型】:()
【标准水平】:()
【中文主题词】:声压级;电声学;定义;认证;性能试验;飞机噪声;飞行器;测量仪器;噪声测量
【英文主题词】:Acousticmeasurement;Acoustics;Aerospacetransport;Airtraffic;Airtransport;Airtransportengineering;Aircraft;Aircraftengineering;Aircrafts;Airfields;Airplanenoise;Airports;Certification;Definitions;Digitalmeasuringinstruments;Electroacoustics;Flightoperations;Measurement;Measuringinstruments;Measuringsystems;Noise;Noise(environmental);Noisemeasurement;Noisemeasurements;Parameters;Performancetesting;Properties;Ratinglevels;Ratings;Soundintensity;Soundlevels;Soundpressurelevel;Specification(approval);Wear-quantity
【摘要】:Specifiesrequirementsfortheelectroacousticalperformanceofsystemsofinstrumentsusedtomeasuresoundforthepurposesofaeroplanenoisecertification,andrecommendsmethodsbywhichtestsmaybemadeperiodicallytoverifythattheperformance
【中国标准分类号】:V50;Z32
【国际标准分类号】:17_140_30;49_020
【页数】:29P.;A4
【正文语种】:英语