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【英文标准名称】:SatellitePersonalCommunicationsNetworks(S-PCN);NetworkControlFacilities(NCF)forMobileEarthStations(MESs),includinghandheldearthstations,forS-PCNinthe1,5/1,6GHzbands,providingvoiceand/ordatacommunicationsundertheMobileSatel
【原文标准名称】:卫星个人通信网络(S-PCN).包括便携式地面站的移动地面站(MES)、通过移动卫星业务(MSS)提供声音和/或数据通信带宽1.5/1.6GHz的S-PCN用网络控制装置
【标准号】:DINEN301682-2001
【标准状态】:现行
【国别】:德国
【发布日期】:2001-12
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:地面站;电气工程;语言交流;频带;无线通信业务;数据通信;传播学;电信;易动的;卫星;控制装置
【英文主题词】:Bandoffrequencies;Communication;Controldevices;Datacommunication;Earthstations;Electricalengineering;Mobile;Satellites;Speechcommunication;Telecommunications;Wirelesscommunicationservices
【摘要】:Thedocumentspecifiesrequirementsinthetelecommunicationssector.
【中国标准分类号】:M35
【国际标准分类号】:33_060_30
【页数】:1P;A4
【正文语种】:德语


【英文标准名称】:TestMethodforCoefficientofStaticFrictionofUncoatedWritingandPrintingPaperbyUseoftheInclinedPlaneMethod
【原文标准名称】:用倾斜面法测试无涂层书写纸和印刷纸静磨擦系数的试验方法
【标准号】:ANSI/ASTMD4918-1997
【标准状态】:作废
【国别】:美国
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:书写纸;纸;摩擦;印刷纸;试验
【英文主题词】:Friction;Paper;Printingpapers;Testing;Writingpaper
【摘要】:Thistestmethoddescribesaprocedureforthedeterminationofthecoefficientofstaticfrictionofpapermeasuredwhenslidingagainstitself.Theinclinedplaneprocedureisused.Althoughthistestmethodisbasicinconcept,theprecisionstatementhasbeendevelopedonuncoatedwritingandprintingpapers.Whiletheuseofthistestmethodisrecommendedforthosegradesonly,itmaybeusedwithothertypesofpapergivingspecificattentiontospecialpapercharacteristicsandwiththeunderstandingthattheprecisionmaynotbethesame.Staticcoefficientoffriction(COF)relatestotheforcerequiredtoinitiatemovementbetweentwosurfaceswhilekineticCOFrelatestotheforcerequiredtocausecontinuationofthemovementatuniformspeed.KineticCOFcannotbemeasuredbythistestmethod.BothstaticandkineticCOFcanbemeasuredbyTestMethodD4917.AhorizontalplanemethodisdescribedinTestMethodD4917,whichgivessimilarresults.Thechoiceofapproachdependsupontheequipmentavailableandthemeansofmeasurement.ThedeterminationofthischaracteristicforcorrugatedandsolidfiberboardisdescribedinTestMethodsD4521andD3247.Thetestmethodsdifferinthat,inTestMethodsD4521andD3247,thetwospecimensareallowedtoslipupononeanotherthreetimesbeforetheangleofinclinationisdetermined,whileinthistestmethod,theangleisdeterminedonthefirstslip.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y30
【国际标准分类号】:85_080_10
【页数】:
【正文语种】:英语