NF P98-897-5-2003 冷用接缝密封胶.第5部分:测定耐水解作用的试验方法
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【英文标准名称】:Coldappliedjointsealants-Part5:testmethodforthedeterminationoftheresistancetohydrolysis.
【原文标准名称】:冷用接缝密封胶.第5部分:测定耐水解作用的试验方法
【标准号】:NFP98-897-5-2003
【标准状态】:现行
【国别】:法国
【发布日期】:2003-10-01
【实施或试行日期】:2003-10-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:水解;材料;试验温度;建筑;试件;接缝密封;胶凝作用;道路建筑;试验持续时间;液压稳定性;试验;试验装置;试验条件;施工材料;连接填充;夹持;接缝密封胶;冷用
【英文主题词】:
【摘要】:
【中国标准分类号】:Q24
【国际标准分类号】:93_080_20
【页数】:7P;A4
【正文语种】:其他
【英文标准名称】:Paper,boardandpulps-Determinationofresidue(ash)onignitionat525°C
【原文标准名称】:纸浆、纸板和纸在525℃燃烧残余物的测定
【标准号】:ISO1762-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC6
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;灰分;化学分析和试验;纸;纸板;含量测定;燃烧;数学计算;试验设备;规程;纸浆
【英文主题词】:Ashes;Board(paper);Chemicalanalysisandtesting;Combustion;Definitions;Determinationofcontent;Mathematicalcalculations;Paper;Paperpulp;Procedures;Pulp;Testequipment
【摘要】:ThisInternationalStandarddescribesthedeterminationoftheresidue(ash)onignitionofpaper,boardandpulpat525℃.Itisapplicabletoalltypesofpaper,boardandpulpsamples.Theashmayconsistofa)mineralmatterinthepulpandvariousresiduesfromchemicalsusedinitsmanufacture,b)metallicmatterfrompipingandmachinery,andc)fillers,pigments,coatingsorresiduesfromvariousadditives.Insamplescontainingcalciumcarbonate,thereispracticallynodecompositionofcarbonatebyashingat525℃.Otherfillersandpigmentssuchasclayandtitaniumdioxidearealsounaffectedbyashingat525℃.Accordingly,theresidueonignitionasdeterminedbythisInternationalStandardprovidesagoodestimateofthetotalinorganicmatterinthesample,providedthatthesampledoesnotcontainothermineralswhichdecomposeatorbelowthistemperature.Forexample,magnesiumcarbonateandcalciumsulfatemay,atleastpartly,decomposeattemperaturesbelow525℃.
【中国标准分类号】:Y30
【国际标准分类号】:85_040;85_060
【页数】:4P;A4
【正文语种】:英语
【英文标准名称】:Cablenetworksfortelevisionsignals,soundsignalsandinteractiveservices-Part10:Systemperformanceofreturnpath
【原文标准名称】:电视信号、声音信号和交互服务用电缆网络.第10部分:回波路径的系统性能
【标准号】:IEC60728-10-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-06
【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】:声音广播;电缆分布系统;波幅;电视接收;安全;规范(验收);测量;定义;交互;回波路径
【英文主题词】:Amplitude;Cabledistributionsystems;Definitions;Interactive;Measurement;Returnpath;Safety;Soundbroadcasting;Specification(approval);Televisionreception
【摘要】:ThispartofIEC60728dealswiththetransparentreturnpathofcablenetworksoperatedinthefrequencyrangebetween5MHzand65MHzorpartsthereof.Higherfrequenciesmaybeusedinfibrebasednetworks.NOTEInaddition,itispossibletousethefrequencyrangefrom0MHzto5MHzforreturnpathtransmissions,forexampleforNMSorothercontrol,monitoringandsignallingpurposes.Applicationsbelow5MHzarenotcoveredbythisstandard.Anactivereturnpathcarriestypicallyonlyreturnsignals.Apassivereturnpathcanbeusedforbothreturnandforwardsignals.Thisstandardlaysdownthebasicmethodsofmeasurementforsignalstypicallyusedinthereturnpathofcablenetworksinordertoassesstheperformanceofthosesignalsandtheirperformancelimits.Allrequirementsrefertotheperformancelimits,whichshallbeobtainedbetweenthereferencepoints(Figure1)ofthereturnpathsystem.Onereferencepointisthenetworkterminationclosetothesubscriber.Itisthelastpointwhereallforwardandreturnsignalsarepresentandcarriedonthesamecable.Ifnonetworkterminationpointexists,thereferencepointisthesystemoutlet.Theotherreferencepointistheinputofthereturnsignalreceiver(ortransceiver).Atthispoint,thetransparentsignalpathendsandbeyondthispoint,thesignalistreatedinanon-transparentway.Thereturnsignalreceivercanbesituatedattheheadendbutcanalsobeatthenodeofthecoaxialcelloratanyotherpointofthenetwork.Inadditiontothesystemperformancerequirementsforthetransparentreturnpath,systemperformancerecommendationswerelaiddowninthisstandard,forexamplefortheoverallfrequencyallocation,fortheuseofspecificmodulationtechniquesfordifferentinteractivemultimediaservicesorfordifferentsub-bandswithinthereturnpathfrequencyrange,etc.Specificequipmentinstalledincablenetworksfortheoperationofsuchreturnpathsisstandardisedintherelevantequipmentstandards,parts3to6oftheIEC60728series.Transmissionsystemsarenotwithinthescopeofthisstandard.
【中国标准分类号】:M11
【国际标准分类号】:33_060_40
【页数】:40P.;A4
【正文语种】:英语
