ASTM D6818-2002 草皮加强网基本拉伸特性的标准试验方法

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【英文标准名称】:StandardTestMethodforUltimateTensilePropertiesofTurfReinforcementMats
【原文标准名称】:草皮加强网基本拉伸特性的标准试验方法
【标准号】:ASTMD6818-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D35.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:breakingforce;elongation;turfreinforcementmat
【摘要】:ThestriptestinthistestmethodisconsideredsatisfactoryforacceptancetestingofcommercialshipmentsofTurfReinforcementMatssincethemethodhasbeenusedextensivelyinthetradeforacceptancetesting.5.1.1Incaseofdisagreementarisingfromdifferencesinreportedtestvalueswhenusingthistestmethodforacceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisstatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimenwhichareashomogeneousaspossibleandarefromalotofmaterialofthetypeinquestion.Thetestspecimenshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudent’t-testforunpaireddataandanacceptableprobabilitylevelchosenbythetwopartiesbeforetestingisbegun.Ifbiasisfound,eitheritscausemustbefoundandcorrected,orthepurchaserandthesuppliermustagreetointerpretfutureresultsinthelightoftheknownbias.1.1ThistestmethodcoversstriptestproceduresfordeterminingthetensilepropertiesofTurfReinforcementMats(TRM).1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationpurposesonly.1.3ThisstandarddoesnotapplytoTRM'smadeofcompositematerialswherethecomponentprovidingthereinforcementcannotbetestedfortensilestrengthwiththeprocedurehereindescribed.Inthiscase,theestablishedASTMtestingmethod,whichismostappropriateforthatmaterial,shallbeusedinstead.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q87
【国际标准分类号】:83_120
【页数】:3P.;A4
【正文语种】:


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【英文标准名称】:SatelliteEarthStationsandSystems(SES)-HarmonizedstandardforsatelliteearthstationsforMSSoperatinginthe1980MHzto2010MHz(earth-to-space)and2170MHzto2200MHz(space-to-earth)frequencybands-Part2:UserEquipment(UE)forwid
【原文标准名称】:卫星地面接收站和系统(SES).在频段1980MHz至2010MHz(地对空)和频段2170MHz至2200MHz(空对地)操作的MSS用卫星地面站用协调标准.第2部分:宽带系统用用户设备(UE).涵盖R&TTE指令第3.2条款基本要求的协调的EN标准(英文版本EN302574-2V1.1.1(2010-08)的核准本作为德国标准)
【标准号】:DINEN302574-2-2011
【标准状态】:现行
【国别】:德国
【发布日期】:2011-04
【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】:频带;通信系统;通信技术;地面站;无线电台;无线电系统;无线电中继系统;卫星通信;电信;用户系统;用户;宽频带传输;宽频带通信
【英文主题词】:Bandoffrequencies;Communicationsystems;Communicationtechnology;Earthstations;Radiostations;Radiosystems;Radio-relaysystems;Satellitecommunications;Telecommunications;Usersystem;Users;Widebandtransmission;Widebandcommunication
【摘要】:
【中国标准分类号】:M35
【国际标准分类号】:33_060_30
【页数】:2P;A4
【正文语种】:德语