IEC 60317-22-1990 特种绕组线规范第22部分:180级聚酰胺包敷聚酯或聚酯带粘合层亚胺漆包圆铜线
时间:2024-05-15 12:12:23 来源: 标准资料网 作者：标准资料网 阅读：8407
【英文标准名称】:Specificationsforparticulartypesofwindingwires;part22:polyesterorpolyesterimideenamelledroundcopperwireovercoatedwithpolyamide,class180
【原文标准名称】:特种绕组线规范第22部分:180级聚酰胺包敷聚酯或聚酯带粘合层亚胺漆包圆铜线
【标准号】:IEC60317-22-1990
【标准状态】:作废
【国别】:国际
【发布日期】:1990-10
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC55
【标准类型】:()
【标准水平】:()
【中文主题词】:金属线;电线;特性;交货条件;圆导线;聚乙烯;聚酯(亚胺);铜线;铜;绕组线;聚酰胺;绝缘线;电气工程;聚酯;漆包线
【英文主题词】:windingwires;wires;enamelledwires;electricalengineering;properties;insulatedwires;copper;acceptancespecification;copperwires;polyamides;electricconductors;electricwires;roundwires;windings;pe;polyesters;specification(approval);deliveryconditions
【摘要】:
【中国标准分类号】:K12
【国际标准分类号】:29_060_10
【页数】:10P.;A4
【正文语种】:英语
【英文标准名称】:Soundsystemequipment-Part13:Listeningtestsonloudspeakers
【原文标准名称】:声音系统设备.第13部分:扬声器上的听力试验
【标准号】:IEC/TR360268-13-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-03
【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/TC100
【标准类型】:()
【标准水平】:()
【中文主题词】:电气设备;公共寻址系统;传输装置;电气工程;电声器件;声传输;扬声器;试验;收听试验
【英文主题词】:Acoustoelectricdevices;Electricalengineering;Electricalequipment;Listeningtests;Loudspeakers;Public-addresssystems;Soundtransmission;Testing;Transmissiondevices;Transmissionsystems
【摘要】:Therecommendationsinthisreportapplytoloudspeakersintendedforresidentialsystemsandenvironments.Althoughtheproceduresarespecificallydesignedforloudspeakerswhichareseparatesoundsystemcomponentsforeithermonophonic,two-channelstereophonicormultichannelstereophonicreproduction,theymayalsobeappliedtootherdevicessuchascompleteaudioandtelevisionreceiverswithintegratedsound.Thisreportgivesrecommendationsforestablishing,conductingandevaluatinglisteningtestsonloudspeakers.Althoughvariousaspectsareundercontinuingdiscussion,thisreportisintendedtogivethegeneralguidelines.Certainaspectsmayvary–inparticular,thelisteningroommayreflectregionalconstructionpractices.Thetestsdescribedinthisreportaretobeperformedinaroomthesizeandacousticalpropertiesofwhicharesimilartothoseofan"average"livingroom.Specificrecommendationsabouttheroomsize,acousticalproperties,arrangementsofloudspeakersandlisteners,andenvironmentalconditionsaregiven.ThisTechnicalReportdescribesexperimentalprocedures,includingrecommendationsonthechoiceofprogrammematerialandtheprocessingandpresentationofthefinaldata.Itmaybeuseful,whenapplyingthemethodsofthispublication,toalsoconsidersomeoftherecommendationsinAES20,especiallyasconcernstherangeofperceptualattributesaslistedin5.2.2.Itshouldbeunderstoodthatthetopicsofexperimentaldesign,experimentalexecution,andstatisticalanalysisarecomplex,andthatonlythemostgeneralguidelinescanbegiven.Itisrecommendedthatprofessionalswithexpertiseinexperimentaldesignandstatisticsshouldbeconsultedorbroughtinearlyintheplanningofthelisteningtest.Theuseofmulti-channelformats,principallyfordomesticpresentationofcinema,isbecomingmorewidespread.Theproceduresdescribedinthisreportareapplicabletoanynumberofchannelsofreproduction.Becauseoftherapiditywithwhichthepracticesinthisareaareevolving,onlythemostgeneralguidelinesaregiven.
【中国标准分类号】:L31
【国际标准分类号】:33_160_50
【页数】:41P.;A4
【正文语种】:英语
【英文标准名称】:Fundamentalparametersofconnectorsforprintedwiringboards
【原文标准名称】:印制线路板连接器的基本参数
【标准号】:IEC60171-1964
【标准状态】:作废
【国别】:国际
【发布日期】:1964
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC48
【标准类型】:()
【标准水平】:()
【中文主题词】:电子设备;印制电路板;电连接器;额定值;电气工程;插头
【英文主题词】:electronicequipment;plugs;electricplugs;printed-circuitboards;ratings;electricalengineering;electricconnectors
【摘要】:
【中国标准分类号】:L23
【国际标准分类号】:31_180
【页数】:21P;A4@
【正文语种】:英语