SAE AS21907 Elbow, Bulkhead Universal, 45掳, Flareless Tube
作者:标准资料网 时间:2024-04-26 08:24:15 浏览:9750
来源:标准资料网
Product Code:SAE AS21907
Title:Elbow, Bulkhead Universal, 45掳, Flareless Tube
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:No scope available.
【英文标准名称】:Cablenetworksfortelevisionsignals,soundsignalsandinteractiveservices-Part10:Systemperformanceforreturnpaths
【原文标准名称】:电视信号、声音信号和交互式设备用电缆网.第10部分:返回线路的系统性能
【标准号】:BSEN60728-10-2006
【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】:GeneralStandardsofEN50083seriesdealwithcablenetworksfortelevisionsignals,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.Specificscopeofthispart10Thisstandardisdealingwiththetransparentreturnpathofcablenetworksoperatedinthefrequencyrangebetween5MHzand65MHzorpartsthereof.Higherfrequenciesmaybeusedinfibrebasednetworks.NOTEInadditionitispossibletousethefrequencyrangefrom0MHzto5MHzforreturnpathtransmissions,e.g.forNMSorothercontrol,monitoringandsignallingpurposes.Applicationsbelow5MHzarenotcoveredbythisstandard.Anactivereturnpathcarriestypicallyonlyreturnsignals.Apassivereturnpathcanbeusedforbothreturnandforwardsignals.Thisstandardlaysdownthebasicmethodsofmeasurementforsignalstypicallyusedinthereturnpathofcablenetworksinordertoassesstheperformanceofthosesignalsandtheirperformancelimits.
【中国标准分类号】:M62
【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】:Measuringmethodsofultra-violetraysforsterilization
【原文标准名称】:紫外线杀菌测量方法
【标准号】:JISZ8811-1968
【标准状态】:现行
【国别】:日本
【发布日期】:1968-11-01
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonProtectiveEquipmentforOccupationalSafety
【标准类型】:()
【标准水平】:()
【中文主题词】:辐射测量;紫外线辐射;灭菌
【英文主题词】:ultravioletradiation;radiationmeasurement
【摘要】:この規格は,主として紫外線殺菌燈(以下殺菌燈という。)から放射される殺菌紫外線の放射照度を物理的に測定する方法について規定する。
【中国标准分类号】:C30
【国际标准分类号】:11_080_01
【页数】:9P;A4
【正文语种】:日语
