SAE MA3521 Insert - Thin Wall, Long Self-Locking, 550 掳C, Silver Plated UNS N07718, MJ Thread, Metric
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来源:标准资料网
Product Code:SAE MA3521
Title:Insert - Thin Wall, Long Self-Locking, 550 掳C, Silver Plated UNS N07718, MJ Thread, Metric
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:No scope available.
【英文标准名称】:Soundsystemequipment-Objectiveratingofspeechintelligibilitybyspeechtransmissionindex
【原文标准名称】:音响系统设备.用语音传输系数测定语音清晰度的目标额定功率
【标准号】:BSEN60268-16-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2003-08-01
【实施或试行日期】:2003-08-01
【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】:评定;传输装置;频率;电气工程;声传输;声学试验;语音传输;音乐厅;语音清晰度;视听;声传输设备;清晰度;声学设备;RASTI
【英文主题词】:Acousticequipment;Acoustictesting;Audiovisual;Auditorium;Definition;Definitions;Degreeofmodulation;Descriptions;Electricalengineering;Evaluations;Frequencies;Intelligibility;Languages;Measuringtechniques;Methods;RASTI;Soundtransmission;Soundtransmissioninstallations;Speechintelligibility;Speechtransmission;Transmissiondevices;Transmissionperformance
【摘要】:ThispartofIEC60268definesobjectivemethodsforratingthetransmissionqualityofspeechwithrespecttointelligibility.Thefourmethods,whicharecloselyrelated,arereferredtoasthe"STI,"the"STITEL",the"STIPA"andthe"RASTI"methods(seeClause3).Themethodsareintendedforratingspeechtransmissionwithorwithoutsoundsystems.Asurveyofothermethodsofdeterminingorpredictingspeechintelligibilityisalsoincluded,togetherwithamethodofcorrelatingtheresultsofdifferentmethodsofdetermination.
【中国标准分类号】:M72
【国际标准分类号】:17_140_50;33_160_01
【页数】:32P.;A4
【正文语种】:英语
Product Code:SAE AMS4774
Title:Silver Alloy Brazing Filler Metal 63Ag - 28.5Cu - 6.0Sn - 2.5Ni, 1275 to 1475 掳F (691 to 802 掳C) Solidus-Liquidus Range
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers a silver alloy in the form of wire, rod, sheet, strip, foil, pig, powder, shot, and chips and a viscous mixture (paste) of powder in a suitable binder.
