【英文标准名称】:Acoustics-Measurementofsoundinsulationinbuildingsandofbuildingelements-Laboratorymeasurementofairbornesoundinsulationofsmallbuildingelements
【原文标准名称】:声学.建筑物和构件隔音的测量.第10部分:小型建筑构件隔音的实验室测量
【标准号】:BSEN20140-10-1992
【标准状态】:作废
【国别】:英国
【发布日期】:1992-10-15
【实施或试行日期】:1992-10-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:装配;建筑系统构件;小;空调终端设备;实验室试验;空气声隔绝;隔音;电工导管;误差修正;声学试验;声学测量;试验条件
【英文主题词】:Acousticmeasurement;Acoustictesting;Acoustics;Airbornesoundinsulation;Buildings;Components;Definition;Definitions;Determination;Laboratorytesting;Laboratorytests;Measurement;Measurementofairbornenoise;Measuringinstruments;Noisecontrol;Noisecontrol(acoustic);Soundattenuation;Soundinsulation;Structuralmembers;Testbenches;Testing;Tests
【摘要】:Appliestobuildingelementsexcludingwindowsanddoors,withanareaoflessthan1m2andwhichoccurinacertainnumberofdiscretesizeswithwell-definedlateraldimensionsandwhichtransmitsoundbetweentwoadjacentroomsorbetweenoneroomandtheopenairindependentlyoftheadjoiningbuildingelements.
【中国标准分类号】:P31
【国际标准分类号】:91_120_20
【页数】:16P.;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforPerformingAcceleratedOutdoorWeatheringofFactory-CoatedEmbossedHardboardUsingConcentratedNaturalSunlightandaSoak-Freeze-ThawProcedure
【原文标准名称】:用集中自然光和浸水-冻结-解冻程序进行工厂涂覆压花纤维板室外加速风化的标准实施规程
【标准号】:ASTMD5722-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D01.27
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:acceleratedweathering;factorycoatings(hardboard);filmintegrity;hardboard(compositionboardsiding);Acceleratedaging/testing--paints/relatedcoatings;Film--paints/relatedcoatings/materials;Factory-appliedcoatings;Filmintegrity;Hardboard;O
【摘要】:Theabilitytoquicklyandaccuratelyevaluateandpredictlong-termweatheringperformanceoffactory-appliedcoatingsisofparamountimportanceinmakingsoundbusinessandtechnicaldecisions.Itisimportanttoincludecontrolspecimensofknownfieldperformancetodeterminetheefficacyofthispracticeforspecificsubstrate(s)andcoatingsystem(s).Thesecontrolspecimensmayincludematerialsknowntopossessacceptableandunacceptablefieldperformanceforthedefect(s)underconsideration.Resultsderivedfromthispracticearebestusedtocomparetherelativeperformanceofmaterialstestedatthesametimeinthesamedevice.Theinclusionofcontrolspecimensandtheirresultingdatawillassistindealingwithtestvariabilitycausedbyseasonalorannualvariationsinimportantclimaticfactors.Extensiveresearchwasperformedduringthedevelopmentofthisstandardpractice.Thisresearchshowedthatthispracticeisnotusefulfordeterminationofquantitativeaccelerationfactors.However,thistestisveryusefulasacomparativetest.Aminimumoftworeplicatesforbothcontrolspecimensandtestspecimensisrecommendedtoallowstatisticalevaluationofresults.RefertoPracticeG169foradditionalguidanceonestablishingthenumberofreplicates.1.1Thispracticecoverstechniquestoaccelerateweatheringeffectsoffactory-coatedembossedhardboardusingCycle1ofPracticeG90(concentratednaturalsunlightwithperiodicsurfacewaterspray)plusasoak-freezethawcycle(seeSection5ofthispractice).1.2Testingbyuseofthemethodsdescribedinthispracticemaybeemployedinthequalitativeassessmentofweatheringeffects.Therelativedurabilityofcoatedhardboardsmaybebestdeterminedbycomparisonoftheirtestresultswiththoseofcontrolspecimensderivedfromrealtimeexposuretestexperience.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B70
【国际标准分类号】:
【页数】:3P.;A4
【正文语种】:英语
基本信息
| 标准名称： | ZN3991型双通道分离度计(试行) |
| 中标分类： |
综合 >>
计量 >>
无线电计量 |
| 发布日期： | |
| 实施日期： | 1999-06-04 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 5页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 综合 计量 无线电计量