ISO 8253-2-1992 声学听力测试方法第2部分:纯音和窄带试验信号声场测听方法

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【英文标准名称】:Acoustics;audiometrictestmethods;part2:soundfieldaudiometrywithpuretoneandnarrow-bandtestsignals
【原文标准名称】:声学听力测试方法第2部分:纯音和窄带试验信号声场测听方法
【标准号】:ISO8253-2-1992
【标准状态】:作废
【国别】:国际
【发布日期】:1992-11
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC43
【标准类型】:()
【标准水平】:()
【中文主题词】:声学;试验;听力测定;噪声试验;测试信号;试验条件
【英文主题词】:Acousticpropertiesandphenomena;Acoustics;Amplification;Audiometers;Audiometry;Auditorythreshold;Calibration;Clay;Closedtestrooms;Definitions;Electricalengineering;Frequencies;Hearingaids;Investigations;Levels;Listeningtests;Loudspeakers;Measurementofthresholdofaudibility;Microphones;Noise(spurioussignals);Noisetest;Signals;Sound;Soundfields;Specification(approval);Specifications;Testsignals;Testing;Testingconditions;Tests
【摘要】:Specifiesrelevanttestsignalcharacteristics,requirementsforfree,diffuseandquasi-freesoundfields,andproceduresforsoundfieldaudiometryusingpuretones,frequencymodulatedtonesorothernarrow-bandtestsignalspresentedbyoneormoreloudspeakers,primarilyforthepurposeofdetermininghearingthresholdlevelsinthefrequencyrangefrom125Hzto12500Hz.Thepurposeistoensurethattestsofhearinggiveashighadegreeofaccuracyandreproducibilityaspossible.
【中国标准分类号】:A42
【国际标准分类号】:13_140
【页数】:12P.;A4
【正文语种】:英语


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【英文标准名称】:Graphicalsymbolsfordiagrams-Conductorsandconnectingdevices
【原文标准名称】:图表用图形符号.导线和连接器件
【标准号】:BSEN60617-3-1996
【标准状态】:作废
【国别】:英国
【发布日期】:1996-12-15
【实施或试行日期】:1996-12-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:数据表示;图形表示;符号;电连接;电缆;图解表示法;电路元件;电缆连接件;导电体;接线端;线路图;电气元件;图形符号;电连接器
【英文主题词】:
【摘要】:
【中国标准分类号】:K04
【国际标准分类号】:01_080_40;29_020
【页数】:26P;A4
【正文语种】:英语


【英文标准名称】:StandardPracticeforSelection,Design,Installation,andInspectionofWaterVaporRetardersUsedinContactwithEarthorGranularFillUnderConcreteSlabs
【原文标准名称】:与混凝土板下土壤或粒状填料接触的水蒸汽隔离层的选择、设计、安装和检验的标准实施规程
【标准号】:ASTME1643-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:E06.21
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:concreteslabs;vapor;vaporretarder;Prefabricatedbuildingmaterials/applications;Watervapor;Watervaporretarders;Aggregatefill;Concreteconstructionmaterials/applications;Concreteslabs;Earth;Granularfill;Installation--groundwater/subsu
【摘要】:Vaporretardersprovideamethodoflimitingwatervaportransmissionandcapillarytransportofwaterupwardthroughconcreteslabsongrade,whichcanadverselyaffectfloorfinishesandinteriorhumiditylevels.Adverseimpactsincludeadhesionloss,warping,peeling,andunacceptableappearanceofresilientflooring;deteriorationofadhesives,rippingorseparationofseams,andairbubblesorefflorescencebeneathseamed,continuousflooring;damagetoflatelectricalcablesystems,bucklingofcarpetandcarpettiles,offensiveodors,growthoffungi,andundesiredincreasestointeriorhumiditylevels.1.1Thispracticecoversproceduresforselecting,designing,installing,andinspectingflexible,prefabricatedsheetmembranesincontactwithearthorgranularfillusedasvaporretardersunderconcreteslabs.1.2Conditionssubjecttofrostandeitherheaveorhydrostaticpressure,orboth,arebeyondthescopeofthispractice.Vaporretardersarenotintendedtoprovideawaterproofingfunction.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q14
【国际标准分类号】:91_120_30
【页数】:4P.;A4
【正文语种】:英语