EN 300065-3-2009 电磁兼容性和无线电频谱事项(ERM).接收气象或导航信息(NAVTEX)窄带直接打印电报设备.第3部分:包括第3-3条基本要求的统一欧洲标准EN
时间:2024-05-17 19:01:35 来源: 标准资料网 作者：标准资料网 阅读：9656
【英文标准名称】:ElectromagneticcompatibilityandRadiospectrumMatters(ERM)-Narrow-banddirect-printingtelegraphequipmentforreceivingmeteorologicalornavigationalinformation(NAVTEX)-Part3:HarmonizedENcoveringtheessentialrequirementsofarticle3.3(e
【原文标准名称】:电磁兼容性和无线电频谱事项(ERM).接收气象或导航信息(NAVTEX)窄带直接打印电报设备.第3部分:包括第3-3条基本要求的统一欧洲标准EN
【标准号】:EN300065-3-2009
【标准状态】:现行
【国别】:
【发布日期】:2009-10
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Communicationtechnology;Electromagneticcompatibility;EMC;Marineradio;Marineradioservice;Messages;Narrowband;Navigation;NAVTEX;Radioengineering;Radioplants;Radioreceivers;Radiosystems;Receivers;Telecommunication;Telecommunications;Telex;Weather
【摘要】:
【中国标准分类号】:L06;A47
【国际标准分类号】:33_060_20;47_020_70
【页数】:2P.;A4
【正文语种】:英语
【英文标准名称】:StandardShearTestMethodforBulkSolidsUsingtheSchulzeRingShearTester
【原文标准名称】:利用锌基轴承环剪切试验机进行标准的剪切试验方法
【标准号】:ASTMD6773-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D18.24
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:bulksolid;effectiveangleoffriction;effectiveyieldlocus;flowfunction;flowability;JenikeShearCell;internalfrictionangle;kinematicwallfrictionangle;powder;SchulzeRingShearTester;translationalsheartester;unconfinedyie
【摘要】:Reliable,controlledflowofbulksolidsfrombinsandhoppersisessentialinalmosteveryindustrialfacility.Unfortunately,flowstoppagesduetoarchingandratholingarecommon.Additionalproblemsincludeuncontrolledflow(flooding)ofpowders,segregationofparticlemixtures,useablecapacitywhichissignificantlylessthandesigncapacity,cakingandspoilageofbulksolidsinstagnantzones,andstructuralfailures.Bymeasuringtheflowpropertiesofbulksolids,anddesigningbinsandhoppersbasedontheseflowproperties,mostflowproblemscanbepreventedoreliminated(1).Forbulksolidswithasignificantpercentageofparticles(typically,onethirdormore)finerthanabout6mm(x00BC;in.),theunconfinedyieldstrengthisgovernedbythefines(x2212;6mmfraction).Forsuchbulksolids,strengthandwallfrictiontestsmaybeperformedonthefinefractiononly.Thistestmethodcoversoperationofthemanually-controlledSchulzeRingShearTester.Anautomatedversionofthistesterisalsoavailable.Itsmethodoftestingbulksolidsissimilarinprincipletothatdescribedinthistestmethod.Note18212;Thequalityoftheresultproducedbythisstandardisdependentonthecompetenceofpersonnelperformingit,andthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting/sampling/inspection/etc.UsersofthisstandardarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliableresults.Reliableresultsdependonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.PracticeD3740wasdevelopedforagenciesengagedinthetestingorinspection(orboth)ofsoilandrock.Assuchitisnottotallyapplicabletoagenciesperformingthisstandard.However,usersofthisstandardshouldrecognizethattheframeworkofPracticeD3740isappropriateforevaluatingthequalityofanagencyperformingthisstandard.Currentlythereisnoknownqualifyingnationalauthoritythatinspectsagenciesthatperformthisstandard.1.1Thistestmethodcoverstheapparatusandproceduresformeasuringtheunconfinedyieldstrengthofbulksolidsduringbothcontinuousflowandafterstorageatrest.Inaddition,measurementsofinternalfriction,bulkdensity,andwallfrictiononvariouswallsurfacesareincluded.1.2Themostcommonuseofthisinformationisinthedesignofstoragebinsandhopperstopreventflowstoppagesduetoarchingandratholing,includingtheslopeandsmoothnessofhopperwallstoprovidemassflow.Parametersforstructuraldesignofsuchequipmentmayalsobederivedfromthisdata.Anotherapplicationisthemeasurementoftheflowabilityofbulksolids,forexample,forcomparisonofdifferentproductsoroptimization.1.3AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.3.1Theproceduresusedtospecifyhowdataarecollected/recordedorcalculatedinthisstandardareregardedastheindustrystandard.Inaddition,theyarerepresentativeofthesignificantdigitsthatgenerallyshouldberetained.Theproceduresuseddonotconsidermaterialvariation,purposeforobtainingthedata,specialpurposestudies,oranyconsiderationsfortheuserx2019;sobjectives:anditiscommonpracticetoincreaseorreducesignificantdigitsofreporteddatatobecommensuratewiththeseconsiderations.Itisbeyo......
【中国标准分类号】:N70
【国际标准分类号】:59_080_01
【页数】:28P.;A4
【正文语种】:英语
【英文标准名称】:Wallandfloortiling-Codeofpracticeforthedesignandinstallationofinternalceramicandnaturalstonewalltilingandmosaicsinnormalconditions
【原文标准名称】:墙面和地面瓷砖.第1部分:正常条件下内墙瓷砖及锦砖设计与铺砌惯例
【标准号】:BS5385-1-1995
【标准状态】:作废
【国别】:英国
【发布日期】:1995-04-15
【实施或试行日期】:1995-04-15
【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】:运输;锦砖;清洁处理;水泥;装配;设计;石;储存;马赛克地板;墙面贴砖;抹灰;传输;内部;灌浆;地板覆盖物;砂岩;墙面饰层;维修
【英文主题词】:Cements;Cleaning;Design;Floorcoverings;Grouting;Installation;Internal;Maintenance;Mosaicflooring;Mosaics;Plastering;Sandstone;Stone;Storage;Transportation;Wallcoverings;Walltiles
【摘要】:Materialsandtechniquesforfixingtilesandmosaicstointernalwalls:alsotheirprotectionandcleaning.
【中国标准分类号】:Q31
【国际标准分类号】:91_060_10;91_060_30
【页数】:48P;A4
【正文语种】:英语