SJ/T 9550.8-1993 Ｒ１４Ｓ、Ｒ１４Ｃ、Ｒ１４Ｐ型锌锰干电池质量分等标准
作者:标准资料网 时间:2024-05-13 04:21:17 浏览:8778
来源:标准资料网
基本信息
| 标准名称： | Ｒ１４Ｓ、Ｒ１４Ｃ、Ｒ１４Ｐ型锌锰干电池质量分等标准 |
| 英文名称： | R14S,R14C,R14P zinc-maganese dry cells-Quality grading standard |
| 中标分类： |
电子元器件与信息技术 >>
电子元器件与信息技术综合 >>
技术管理 |
| 发布日期： | 1993-09-03 |
| 实施日期： | 1994-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 2010-01-20 |
| 出版日期： | 1900-01-01 |
| 页数： | 1页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 电子元器件与信息技术 电子元器件与信息技术综合 技术管理
【英文标准名称】:Cableddistributionsystemsfortelevisionandsoundsignals-Systemperformanceforreturnpaths
【原文标准名称】:电视和声音信号的电缆分配系统.回程线路的系统性能
【标准号】:BSEN50083-10-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-04-18
【实施或试行日期】:2002-04-18
【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】:
【英文主题词】:
【摘要】:1GeneralStandardsofEN50083seriesdealwithcablenetworksfortelevisionsignals,soundsignalsandinteractiveservicesincludingequipment,systemsandinstallations-forheadend-reception,processinganddistributionoftelevisionandsoundsignalsandtheirassociateddatasignals,and-forprocessing,interfacingandtransmittingallkindsofsignalsforinteractiveservicesusingallapplicabletransmissionmedia.Allkindsofnetworkslike-CATV-networks-MATV-networksandSMATV-networks-individualreceivingnetworksandallkindsofequipment,systemsandinstallationsinstalledinsuchnetworks,arewithinthisscope.Theextentofthesestandardisationworkisfromtheantennas,specialsignalsourceinputstotheheadendorotherinterfacepointstothenetworkuptothesystemoutletortheterminalinput,wherenosystemoutletexists.Thestandardisationofanyuserterminals(i.e.tuners,receivers,decoders,multimediaterminalsetc.)aswellasofanycoaxialandopticalcablesandaccessoriesthereforisexcluded.2Specificscopeofthispart10Thisstandardisdealingwiththetransparentreturnpathofcablenetworksoperatedinthefrequencyrangebetween5MHzand65MHzorpartsthereof.Higherfrequenciesmaybeusedinfibrebasednetworks.NOTEInadditionitispossibletousethefrequencyrangefrom0MHzto5MHzforreturnpathtransmissions,e.g.forNMSorothercontrol,monitoringandsignallingpurposes.Applicationsbelow5MHzarenotcoveredbythisstandard.Anactivereturnpathcarriestypicallyonlyreturnsignals.Apassivereturnpathcanbeusedforbothreturnandforwardsignals.Thisstandardlaysdownthebasicmethodsofmeasurementforsignalstypicallyusedinthereturnpathofcablenetworksinordertoassesstheperformanceofthosesignalsandtheirperformancelimits.Allrequirementsrefertotheperformancelimitswhichshallbeobtainedbetweenthereferencepoints(Figure1)ofthereturnpathsystem.Onereferencepointisthenetworkterminationclosetothesubscriber.Itisthelastpointwhereallforwardandreturnsignalsarepresentandcarriedonthesamecable.Ifnonetworkterminationpointexists,thereferencepointisthesystemoutlet.Theotherreferencepointistheinputofthereturnsignalreceiver(ortransceiver).Atthispointthetransparentsignalpathendsandbehindthispointthesignalistreatedinanon-transparentway.Thereturnsignalreceivercanbesituatedattheheadendbutcanalsobeatthenodeofthecoaxialcelloratanyotherpointofthenetwork.Inadditiontothesystemperformancerequirementsforthetransparentreturnpath,systemperformancerecommendationswerelaiddowninthisstandarde.g.fortheoverallfrequencyallocation,fortheuseofspecificmodulationtechniquesfordifferentinteractivemultimediaservicesorfordifferentsub-bandswithinthereturnpathfrequencyrange,etc.Specificequipmentinstalledincablenetworksfortheoperationofsuchreturnpathsisstandardisedintherelevantequipmentstandards,parts3to6oftheEN50083series.Transmissionsystemsarenotwithinthescopeofthisstandard.
【中国标准分类号】:M60
【国际标准分类号】:33_060_40
【页数】:34P;A4
【正文语种】:英语
【英文标准名称】:Aerospaceseries;testmethodfordryfilmlubricants;saltspraytest;GermanversionEN3027:1994
【原文标准名称】:航空航天.干膜润滑的试验方法.盐雾试验
【标准号】:DINEN3027-1994
【标准状态】:现行
【国别】:德国
【发布日期】:1994-04
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:润滑剂;盐雾;航天运输;试验;材料;航空运输;航空航天运输;中性盐雾试验;润滑脂;干膜润滑剂;干润滑剂;膜润滑剂
【英文主题词】:Aerospacetransport;Airtransport;Chemicalanalysisandtesting;Corrosiontests;Determinationofcontent;Dryfilmlubricants;Drylubricants;Drysubstances;Filmlubricants;Films(statesofmatter);Greases;Lubricants;Materials;Saltsprayfog;Salt-spraytests;Solids;Spacetransport;Steels;Testing
【摘要】:Thedocumentspecifiesamethodtoverifythatdryfilmlubricantsretaintherequiredcorrosionprotectionaftersaltsprayexposure.
【中国标准分类号】:V04
【国际标准分类号】:49_035
【页数】:4P.;A4
【正文语种】:德语
