DIN ETS 300563/A1-1996 欧洲单元数字远程通信系统(2).接口式移动站-基础站系统(MS-BSS)和接口式基础站系统-移动无线电中继(BSS-MSC)的数据和远程电讯服务用无线电连接协议(RLP)
时间:2024-04-26 16:19:47 来源: 标准资料网 作者：标准资料网 阅读：9825
【英文标准名称】:Europeandigitalcellulartelecommunicationssystem(Phase2)-RadioLinkProtocol(RLP)fordataandtelematicservicesontheMobileStation-BaseStationSystem(MS-BSS)interfaceandtheBaseStationSystem-Mobile-servicesSwitchingCentre(BSS-MS
【原文标准名称】:欧洲单元数字远程通信系统(2).接口式移动站-基础站系统(MS-BSS)和接口式基础站系统-移动无线电中继(BSS-MSC)的数据和远程电讯服务用无线电连接协议(RLP)
【标准号】:DINETS300563/A1-1996
【标准状态】:作废
【国别】:德国
【发布日期】:1996-02
【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】:无线电电路;通信网;开关设备;数字的;移动无线电通信系统;无线电话通讯;基础站;电信;信息技术;无线通信业务;地面流动服务设施;公共的;欧洲的;终端装置;通信系统;协议;数据通信;电信设备;传输协议
【英文主题词】:
【摘要】:
【中国标准分类号】:M11
【国际标准分类号】:33_060_50
【页数】:11P;A4
【正文语种】:德语
【英文标准名称】:ConservationofCulturalproperty.Methodologyforsamplingfrommaterialsofculturalproperty.Generalrules
【原文标准名称】:文物保护.文化遗产材料中取样方法.总则
【标准号】:BSEN16085-2012
【标准状态】:现行
【国别】:英国
【发布日期】:2012-08-31
【实施或试行日期】:2012-08-31
【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】:艺术;空白格式;建筑物保护;保护;建筑;文化遗产;文化;定义;调查;维护;材料;方法学;保存;试样;抽样方法;抽样表;科学的;技术数据单;术语
【英文主题词】:Arts;Blankforms;Buildingconservation;Conservation;Construction;Culturalheritage;Culture;Definitions;Investigations;Maintenance;Materials;Methodologies;Preservation;Samples;Samplingmethods;Samplingtables;Scientific;Technicaldatasheets;Terminology
【摘要】:
【中国标准分类号】:Y88
【国际标准分类号】:97_195
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforTotalOxygenDemandinWater
【原文标准名称】:水中总氧要求的标准试验方法
【标准号】:ASTMD6238-1998(2003)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:D19.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验室分析;生产线检测;总氧要求;需氧量;鳕鱼
【英文主题词】:BOD;COD;laboratoryanalyzer;onlinemonitor;oxygendemand;totaloxygendemand;TOD
【摘要】:Themeasurementofoxygendemandparametersiscriticaltothecontrolofprocesswastewaters.Biochemicaloxygendemand(BOD)andchemicaloxygendemand(COD)analyzershavelongtimecyclesandinthecaseofCODanalyzersusecorrosivereagentswiththeinherentproblemofdisposal.Totaloxygendemandanalysisisfaster,approximately3min,andusesnoliquidreagentsinitsanalysis.TODcanbecorrelatedtobothCODandBOD,providingeffectiveon-linecontrol.TODoffersseveralfeatureswhichmakeitamoreattractivemeasurementthancarbonmonitoringusingTotalCarbon(TC)orTotalOrganicCarbon(TOC)analyzers.TODisunaffectedbythepresenceofinorganiccarbon.TODanalysiswillalsoindicatenoncarbonaceousmaterialsthatconsumeorcontributeoxygen.Forexample,theoxygendemandofammonia,sulfiteandsulfideswillbereflectedintheTODmeasurement.Also,sincetheactualmeasurementisoxygenconsumption,TODreflectstheoxidationstateofthechemicalcompound(thatis,ureaandformicacidhavethesamenumberofcarbonatoms,yetureahasfivetimestheoxygendemandofformicacid).1.1Thistestmethodcoversthedeterminationoftotaloxygendemandintherangefrom100to100000mg/L,inwaterandwastewaterincludingbrackishwatersandbrines(see6.5).Largerconcentrations,orsampleswithhighsuspendedsolids,orboth,maybedeterminedbysuitabledilutionofthesample.1.1.1Sincetheanalysisisbasedonthechangeinoxygenreadingofthecarriergascomparedtothatwhenasampleisintroduced(see4.1),themeasurementrangeisafunctionoftheamountofoxygeninthecarriergas.Thehigherthedesiredconcentrationrange,themoreoxygenrequiredinthecarriergas.Underrecommendedconditions,thecarriergasconcentrationshouldbebetweentwotofourtimesthemaximumdesiredoxygendemand.1.1.2Thelowermeasurementrangeislimitedbythestabilityofthebaselineoxygendetectoroutput.Thissignalisafunctionofthepermeationsystemtemperature,carriergasflowrate,oxygendetectortemperature,andreferencesensorvoltage.Combined,thesevariableslimittheminimumrecommendedrangeto2to100mg/L.1.1.3Theuppermeasurementrangeislimitedbythemaximumoxygenconcentrationinthecarriergas(100%).Withtherecommendedconditionsofcarriergasconcentrationbeingtwotofourtimesthemaximumoxygendemand,thislimitsthemaximumpossibleoxygendemandtobetween250000to500000mg/L.However,asapracticalapplicationtowateranalysis,thistestmethodwillconsideramaximumrangeof100000mg/L.1.2Thistestmethodisapplicabletoalloxygen-demandingsubstancesundertheconditionsofthetestcontainedinthesamplethatcanbeinjectedintothereactionzone.Theinjectoropeninglimitsthemaximumsizeofparticlesthatcanbeinjected.Ifoxygen-demandingsubstancesthatarewater-insolubleliquidsorsolidsarepresent,apreliminarytreatmentmaybedesired.ThesepretreatmentmethodsaredescribedinAnnexA2.1.3Thistestmethodisparticularlyusefulformeasuringoxygendemandincertainindustrialeffluentsandprocessstreams.Itsapplicationformonitoringsecondarysewageeffluentsisnotestablished.ItsuseforthemonitoringofnaturalwatersisgreatlylimitedbytheinterferencesdefinedinSection6.1.4Inadditiontolaboratoryanalysis,thistestmethodisapplicabletoon-streammonitoring.SampleconditioningtechniquesforsolidspretreatmentapplicationsarenotedinAnnexA2.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicability......
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:7P.;A4
【正文语种】: