DIN EN 664-1995 弹性覆地材料.挥发损耗测定
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【英文标准名称】:Resilientfloorcoverings-Determinationofvolatileloss;GermanversionEN664:1994
【原文标准名称】:弹性覆地材料.挥发损耗测定
【标准号】:DINEN664-1995
【标准状态】:现行
【国别】:德国
【发布日期】:1995-01
【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】:弹性织物;幅射热;PVC涂层;挥发性的;重量损失;弹性(流体);地板覆盖物;塑料;橡胶技术;试验;元部件;材料试验
【英文主题词】:Components;Determination;Elastic;Elasticfabrics;Elasticproperties(fluids);Exposuretoheat;Floorcoverings;Losses;Materialstesting;Plastics;PVCcoverings;Rubbertechnology;Testing;Volatile;Weightlosses;Weights
【摘要】:Thisdocumentspecifiesamethodfordeterminingthevolatilelossinmassofpolyvinylchloridefloorcovering.
【中国标准分类号】:Q17
【国际标准分类号】:97_150
【页数】:3P.;A4
【正文语种】:德语
【英文标准名称】:Rubberandplasticshosesandhoseassemblies-Determinationofpermeabilitytogas
【原文标准名称】:橡胶和塑料软管及软管组件.透气性的测定
【标准号】:BSENISO4080-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2010-02-28
【实施或试行日期】:2010-02-28
【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】:测定;柔性管;透气性;气体容积;气体;不渗透性;方法;渗透率;渗透性测量;塑料;塑料软管;塑料制品;橡胶软管;橡胶制品;橡胶技术;试验
【英文主题词】:Determination;Flexiblepipes;Gaspermeability;Gasvolume;Gases;Impermeability;Methods;Permeability;Permeabilitymeasurement;Plastics;Plasticshose;Plasticsproducts;Rubberhoses;Rubberproducts;Rubbertechnology;Testing
【摘要】:ThisInternationalStandardspecifiesthreemethodsforthedeterminationofthevolumeofgasdiffusingthrougharubberorplasticshoseorlengthoftubinginaspecifiedtime.Method1:Fordeterminingthepermeabilityofthecompletehoseorlengthoftubing,excludingendfittings,tothetestgas.Thepermeabilityiscalculatedwithrespecttothelengthofthehoseortubing.Method2:Fordeterminingthepermeabilityatthehose/fittinginterface.Thismethodisusedwhendeterminingthepermeabilitycharacteristicsofhoseswithanunprickedcover,whenthegasusuallyissuesfromthetextilereinforcementatthecutends.Thepermeabilityiscalculatedwithrespecttothelengthofthehose.Method3:Fordeterminingpreciselythepermeabilityofahoseorhoseassemblytothetestgas.Thepermeabilityiscalculatedwithrespecttothesurfaceareaofthehoselining.Themethodsareapplicableonlytogaseswhichareinsolubleinwater.NOTE1Althoughtheresultsareexpressedinthesameunitsformethods1and2,theresultsobtainedwillnotnecessarilybecomparableinthecaseofunprickedandprickedhosesintendedforthesameapplicationasthetesttimesspecifiedaredifferentandthepermeabilitycouldthereforevary.NOTE2Method3isthepreferredmethod.
【中国标准分类号】:G42
【国际标准分类号】:23_040_70
【页数】:16P.;A4
【正文语种】:英语
【英文标准名称】:Methodsofmeasurementforequipmentusedindigitalmicrowaveradiotransmissionsystems-Measurementsonterrestrialradio-relaysystems-Adaptiveequalizer
【原文标准名称】:数字微波无线电传输系统使用设备的测量方法.地面无线电中继系统的测量.自适应均衡器
【标准号】:BSEN60835-2-8-1996
【标准状态】:现行
【国别】:英国
【发布日期】:1996-02-15
【实施或试行日期】:1996-02-15
【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】:数字信号;试验设备;无线电设备;无线电通信;量值继电器;无线电通信链路;通信链路;均衡器;通信设备;电学测量;性能试验;微波链路;自调节系统;电路
【英文主题词】:Adaptiveequalizers;Broadcastengineering;Digital;Digitalengineering;Digitalsignals;Earthstations;Electricalengineering;Equalisers;Measurement;Measuringtechniques;Methodsformeasuring;Microwavelinks;Microwaves;Radioengineering;Radioequipment;Radiolinksystems;Radiolinks;Radioplants;Radiosystems;Radiofrequencies;Radiolocationequipment;Radio-relaysystems;Radiotelegraphy;Signaltransmission;Terrestrial;Transmission;Transmissionperformance
【摘要】:ThissectionofIEC835-2dealswithmeasurementspertainingtotheadaptiveequalizersusedindigitalmicrowaveradio-relaysystems.Thesemeasurementsareintendedtocharacterizethesystemequalizerinthepresenceofselectivefadingandmayalsobeperformedonsystemswithoutadaptiveequalizers.Totakeaccountofthosepropertiesofthesystemwhichareespeciallyinfluencedbytheuseoffrequencyand/ortimedomainequalizers,theresultsofmeasurementsperformedonthesystemarepresentedbyso-calledsignatures.Additionalmeasurementsprovidefurthermeanstocharacterizetheperformanceofthesystem.
【中国标准分类号】:M35;M38
【国际标准分类号】:33_060_30
【页数】:30P.;A4
【正文语种】:英语
