SAE AS39029/102 Contacts, Electrical Connector, Pin, Crimp Removable, Coaxial, Size 12 (For Mil-C-38999 Series I, Ii, I
时间:2024-05-17 17:44:22 来源: 标准资料网 作者：标准资料网 阅读：8189
Product Code:SAE AS39029/102
Title:Contacts, Electrical Connector, Pin, Crimp Removable, Coaxial, Size 12 (For Mil-C-38999 Series I, Ii, Iii and Iv Connectors)
Issuing Committee:Ae-8c1 Connectors Committee
Scope:No scope available
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【英文标准名称】:Acoustics-Referencezeroforthecalibrationofaudiometricequipment-Referenceequivalentthresholdforcelevelsforpuretonesandbonevibrators
【原文标准名称】:声学.音响设备校正参考零点.纯音和骨振子用参考等效阈听力级
【标准号】:BSENISO389-3-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1995-03-15
【实施或试行日期】:1995-03-15
【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】:声学测量;声学试验;声学;空气传导助听器;仿真乳突;听度;听力计;听力测定;听觉阈;骨导体;骨传导振动器;校正;基准面;定义;定义(术语);耳机;电气工程;听力试验;助听器;收听试验;测量;测量条件;听阈测量;听度阈测量;特性;纯普听力图;参考级;参照数量;声强;规范(验收);试验设备;测试条件
【英文主题词】:Acousticmeasurement;Acoustictesting;Acoustics;Airconductionhearingaids;Artificialmastoids;Audiobility;Audiometers;Audiometry;Auditorythreshold;Boneconductors;Bonevibrator;Calibration;Datum;Definition;Definitions;Earphones;Electricalengineering;Hearingabilitytests;Hearingaids;Listeningtests;Measurement;Measurementconditions;Measurementofthresholdofaudibility;Measurementsofthresholdofaudibility;Properties;Pure-toneaudiometers;Referencelevels;Referencequantity;Soundintensity;Specification(approval);Testequipment;Testingconditions
【摘要】:ThispartofISO389specifiesthefollowingdataapplicabletothecalibrationofbonevibratorsforpuretonebone-conductionaudiometry.a)Referenceequivalentthresholdforcelevels(RETFLs),correspondingtothethresholdofhearingofyoungotologicallynormalpersonsbybone-conductionaudiometry.RETFListhevibratoryforceleveltransmittedtoamechanicalcouplerofspecifiedcharacteristics(see5.3)byavibratorwhenappliedtothemechanicalcouplerunderstatedconditionsoftestandwhenenergizedatthevoltagelevelcorrespondingtothenormalthresholdofhearingforlocationonthemastoidprominence.NOTE1InterimvaluesforthedifferencesinreferenceequivalentthresholdforcelevelsbetweenlocationontheforeheadandmastoidareincludedforinformationinAnnexC.b)Essentialcharacteristicofthebonevibratorandofitsmethodofcouplingtoapersonundertestandtothemechanicalcoupler.c)Essentialcharacteristicsanddatumlevelofthemaskingnoiseappliedtotheearnotundertest.GuidanceonthepracticalapplicationofthispartofISO389inthecalibrationofaudiometersisgiveninAnnexB.NOTE2Recommendedproceduresforcarryingoutbone-conductionaudiometryarespecifiedinISO8253-1.
【中国标准分类号】:M72
【国际标准分类号】:13_140
【页数】:20P.;A4
【正文语种】:英语
【英文标准名称】:Fibre-reinforcedplastics-Methodsofproducingtestplates-CompressionmouldingofSMCandBMC
【原文标准名称】:纤维增强塑料.试验板的生产方法.SMC和BMC压模
【标准号】:BSISO1268-8-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-06-02
【实施或试行日期】:2004-06-02
【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】:方法;定义;玻璃纤维增强塑料;压模;试样制备;试样;人造树脂;模压材料;规范(验收);塑料;试验板;叠层板材;纤维增强的
【英文主题词】:Artificialresins;Compressionmoulded;Compressionmouldedmaterials;Definition;Definitions;Fibrereinforced;Glass-fibrereinforcedplastics;Laminates;Methods;Plastics;Specification(approval);Specimenpreparation;Testplate;Testspecimens
【摘要】:ThispartofISO1268specifiesthegeneralprinciplesandproceduresforthecompressionmouldingoftestplatesfromtwotypesoffibre-reinforcedthermosettingmouldingcompound:sheetmouldingcompound(SMC)andbulkmouldingcompound(BMC).TheaimofthispartofISO1268istoensurethepreparationofflattestplatesfromwhichtestspecimenscanbecut(fortherelevanttestmethods,seeAnnexA).Theplatesareproducedinsuchawaythatspecimenscutfromthemgiverepresentativeresultswhenusedinthesetestmethods.
【中国标准分类号】:G31
【国际标准分类号】:83_120
【页数】:18P.;A4
【正文语种】:英语