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ASTM D 225-1995 表面有矿物颗粒的沥青屋面板

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【英文标准名称】:AsphaltShingles(OrganicFelt)SurfacedwithMineralGranules
【原文标准名称】:表面有矿物颗粒的沥青屋面板
【标准号】:ASTMD225-1995
【标准状态】:作废
【国别】:美国
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:屋顶墙面板;地沥青;表面;施工材料;防水材料;建筑;屋顶;屋顶层
【英文主题词】:constructionmaterials;surfaces;roofcoverings;roofs;shinglesforroofs;asphalts;construction;waterproofingmaterials
【摘要】:
【中国标准分类号】:Q17
【国际标准分类号】:91_060_20
【页数】:
【正文语种】:英语


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基本信息
标准名称:RX-61型微波气体放电管
英文名称:Gas-filled microwave switching tubes,Type RX-61
中标分类: 综合 >> 标准化管理与一般规定 >> 技术管理
发布日期:1981-01-20
实施日期:1981-07-01
首发日期:1900-01-01
作废日期:2010-01-20
出版日期:1900-01-01
页数:6页
适用范围

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所属分类: 综合 标准化管理与一般规定 技术管理
【英文标准名称】:Cableddistributionsystemsfortelevisionandsoundsignals-Electromagneticcompatibilityfornetworks
【原文标准名称】:电视和音频信号的电缆分配系统.安全性要求.网络的电磁兼容性
【标准号】:BSEN50083-8-2002
【标准状态】:作废
【国别】:英国
【发布日期】:2002-07-26
【实施或试行日期】:2002-07-26
【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】:规范(验收);测量技术;定义;电缆网络;电磁兼容性;电磁兼容性;多媒体;电缆分布系统;音频信号;电视技术;电缆配线箱;电视信号;无线电干扰
【英文主题词】:Audiosignals;Cabledistributioncubicles;Cabledistributionsystems;Cablednetworks;Definition;Definitions;Electromagneticcompatibility;EMC;Measuringtechniques;Multimedia;Radiointerferences;Specification(approval);Televisiontechnology;Visionsignals
【摘要】:1GeneralStandardsofEN50083seriesdealwithcablenetworksfortelevisionsignals,soundsignalsandinteractiveservicesincludingequipment,systemsandinstallations·forheadend-reception,processinganddistributionofsoundandtelevisionsignalsandtheirassociateddatasignalsand·forprocessing,interfacingandtransmittingallkindsofsignalsforinteractiveservicesusingallapplicabletransmissionmedia.Allkindsofnetworkslike·CATV-networks·MATV-andSMATV-networks·individualreceivingnetworksandallkindsofequipment,systemsandinstallationsinstalledinsuchnetworks,arewithinthisscopeTheextentofthisstandardisationworkisfromtheantennas,specialsignalsourceinputstotheheadendorotherinterfacepointstothenetworkuptothesystemoutletortheterminalinput,wherenosystemoutletexists.Thestandardisationofanyuserterminals(i.e.tuners,receivers,decoders,multimediaterminalsetc.)aswellasofanycoaxialandopticalcablesandaccessoriesthereforisexcluded.2Specificscopeofthispart8Thisstandardappliestotheradiationcharacteristicsandimmunitytoelectromagneticdisturbanceofcablenetworksfortelevisionsignals,soundsignalsandinteractiveservicesandcoversthefrequencyrange0,15MHzto3,0GHz.ThisstandardspecifiesEMCperformancerequirementsandlaysdownthemethodsofmeasurement.Cablenetworksbeyondthesystemoutlets(e.g.thereceiverlead,insimplestterms)whichbeginatthesystemoutletandendatthesubscriber'sterminalequipmentshallcomplywiththeserecommendationsprovidedthatnootherspecificprovisionsapply.RequirementsfortheelectromagneticcompatibilityofreceiverleadsarelaiddowninEN60966-2-4,EN60966-2-5andEN60966-2-6.Tominimisetheriskofinterferencetootherradioservicescausedbypossibleradiationfromacablenetworkandtolimitthepossiblepenetrationofexternalsignalswhichmayinterferewiththeoperationofanetwork,itisnecessarynotonlytouseequipmentwhichsatisfiestherequirementsofEN50083-2regardinglimitsofradiationandofimmunitytoexternalfieldsbutalsotoensuretheintegrityofallcableconnectionsoneachitemofactiveorpassivecablenetworkequipment.Cablenetworksemployingcoaxialcablescanbeasourceofinterferencetoawiderangeofservicesthatutilisetheradiofrequencyspectrum.Theseincludenotonlytheemergencyservices,safetyoflife,broadcasting,aeronauticalandradionavigationservicesbutalsolandmobile,amateurandcellularradioservices.Asexistingandplannedradioservicesneedtobeprotected,radiationlimitsspecifiedforcablenetworksshouldcompliedwith.Additionalprotectionforcertainservicesmayberequiredbynationalregulations.
【中国标准分类号】:M60
【国际标准分类号】:
【页数】:30P.;A4
【正文语种】:英语