【英文标准名称】:Particleboards-Specifications;GermanversionEN312:2003
【原文标准名称】:碎料板.规范
【标准号】:DINEN312-2003
【标准状态】:作废
【国别】:德国
【发布日期】:2003-11
【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】:板类型;材料;质量保证;木材;分类;机械性能;特性;检验;规范(验收);甲醛;色码;合格试验;木屑板;试验;层压板;碎料板;质量;木质板材;监督(认可);作标记;木材技术
【英文主题词】:Adhesives;Alkaline;Approval;Bendingstrength;Boards;Chipboards;Classification;Colourcodes;Conformitytesting;Consistency;Construction;Damp-proofing;Deviations;Dryareas;Flatpressedboards;Foreignsurveillance;Formaldehyde;Fracture;Humidityranges;Inspection;Isocyanates;Laminatedpressboards;Loadbearing;Loadbearingplanes(horizontalorinclined);Marking;Materials;Mechanicalproperties;Moistureresistance;Particleboards;Phenolicresins;Properties;Quality;Qualityassurance;Self-certificationschemes;Specification(approval);Surfaces;Surveillance(approval);Swellinginthickness;Testing;Thickness;Timeintervals;Tolerances(measurement);Transversetensilestrength;Typeofboard;Use;Verification;Wood;Woodtechnology;Woodbasedsheetmaterials;Woodworking
【摘要】:ThisEuropeanStandardspecifiestherequirementsforresin-bondedunfacedparticleboards.Thevalueslistedinthisstandardrelatetoproductpropertiesbuttheyarenotcharacteristicvaluestobeusedindesigncalculations.Additionalinformationonsupplementarypropertiesforcertainapplicationsisalsogiven.ThisstandarddoesnotgiverequirementsforOrientedStrandBoards(OSB);thesearesetoutinEN300.Thisstandarddoesnotapplytoextrudedparticleboards.
【中国标准分类号】:B70
【国际标准分类号】:79_060_20
【页数】:21P.;A4
【正文语种】:德语


【英文标准名称】:Distributionautomationusingdistributionlinecarriersystems-Lowerlayerprofiles-Lowerlayerprofiles-Frequencyshiftkeying(FSK)profile
【原文标准名称】:使用配电线路载波系统的自动配电.低层轮廓.频移键控(FSK)轮廓
【标准号】:BSIECTR61334-5-2-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-12-15
【实施或试行日期】:1998-12-15
【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】:数据传输;数据处理;控制系统;帧;电力传输;数据传送;数据传输方法;接口;开放系统互连;输电网;自动控制系统;调制解调器;电网;配电线;频移键控;数据链路层;物理层(开放系统互连);配电;分类系统
【英文主题词】:Automation;Communicationsystems;Datacommunication;Datatransfer;Distributionlines;Frequencymodulation;Informationprocessing;Networkcontrolsystem;Physicallayers;Remotecontroltechnology;Transmissionprotocol
【摘要】:Thistechnicalreportoftype2describesalowerlayerprofilethatincludesthemediumaccesscontrol(MAC)sublayer,thephysicalsignalling(PLS)sublayerandthemainsattachmentunits(MAU),withthepurposeofgivingacontributiontobuildupasetofstandardsforeffectivecommunicationonMVandLVnetworkfordistributionlinecarrier(DLC)systems.ThisprofileusestheFSKmodulationtechniquethatofferstheadvantagesoflowcostimplementation,robustnessandimmunityagainstnoiseandinterferences.Furthermore,thetransmissionqualityispredictableknowingfewparametersofthetransmissionmedium.Usingstandardelectricalsignalinterfacetothemodem,theprofileiseffectivefordifferentmodulationtechniques.DifferenttechnicalapproachesindevelopingcommunicationforDLCsystemsareinprogress.Asaconsequence,atpresentdifferentlowlevelprofilesarefeasiblewithacceptableresultsintermsofperformanceandcost-effectiveness.Inmanycases,thedifferencesamongstsolutionsareminoranditispossibletofindacommonroot.Thisreportdescribesalowlevelprofilethatassemblessomecommonexperience.Accordingtothestructureoftheopensysteminterconnectionmodel,thelowlevelprofileshouldpresentastandardinterfacetothelogicallinkcontrol(LLC)sublayerandconsistsofsublayerssuchastheMACsublayer,PLSandMAU,thatpresentwell-definedinterfacetoeachother.TheMACsublayerheredescribedinterfacesboththeLLCconnectionless(CL)(seeIEC61334-4-32)andtheLLCconnectionoriented(CO)(seeIEC61334-4-33).TheuseoftheMACinthetwocasesisdifferentduetotheframelengthandtheframesequenceonthemedium.Toimprovetheefficiencyofthecommunication,differentclassesofservicearegiven.Theproperuseoftheclassofserviceandrelatedparametersallowuserscontrolofthetransferandwaitingtimeoftheprocessesinvolvedinthetransmission.
【中国标准分类号】:F21
【国际标准分类号】:33_040_60;35_100_05
【页数】:48P.;A4
【正文语种】:英语