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GB 8035-1987 焦化苯类产品酸洗比色的测定方法

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基本信息
标准名称:焦化苯类产品酸洗比色的测定方法
英文名称:Benzol products of coal carbonization; Determination of acid-wash test
中标分类: 化工 >> 有机化工原料 >> 基本有机化工原料
ICS分类: 化工技术 >> 有机化学 >> 芳香烃
替代情况:被GB/T 8035-2009代替
发布部门: 中国钢铁工业协会
发布日期:1987-06-30
实施日期:1988-01-01
首发日期:1987-06-30
作废日期:2010-04-01
主管部门:中国钢铁工业协会
归口单位:全国钢标准化技术委员会
起草单位:鞍钢
出版社:中国标准出版社
出版日期:1900-01-01
页数:3页
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所属分类: 化工 有机化工原料 基本有机化工原料 化工技术 有机化学 芳香烃
【英文标准名称】:StandardGuideforDeterminingtheReproducibilityofAcousticEmissionSensorResponse
【原文标准名称】:声发射传感器响应再现性测定的标准指南
【标准号】:ASTME976-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:E07.04
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:声发射测试;降解;再现性;传感器
【英文主题词】:Acousticemission(AE)testing;Degradation;Reproducibility;Sensors
【摘要】:Acousticemissiondataisaffectedbyseveralcharacteristicsoftheinstrumentation.Themostobviousoftheseisthesystemsensitivity.Ofalltheparametersandcomponentscontributingtothesensitivity,theacousticemissionsensoristheonemostsubjecttovariation.Thisvariationcanbearesultofdamageoraging,ortherecanbevariationsbetweennominallyidenticalsensors.Todetectsuchvariations,itisdesirabletohaveamethodformeasuringtheresponseofasensortoanacousticwave.Specificpurposesforcheckingsensorsinclude:(1)checkingthestabilityofitsresponsewithtime;(2)checkingthesensorforpossibledamageafteraccidentorabuse;(3)comparinganumberofsensorsforuseinamultichannelsystemtoensurethattheirresponsesareadequatelymatched;and(4)checkingtheresponseafterthermalcyclingorexposuretoahostileenvironment.Itisveryimportantthatthesensorcharacteristicsbealwaysmeasuredwiththesamesensorcablelengthandimpedanceaswellasthesamepreamplifierorequivalent.Thisguidepresentsseveralproceduresformeasuringsensorresponse.Someoftheseproceduresrequireaminimumofspecialequipment.ItisnottheintentofthisguidetoevaluateAEsystemperformance.RefertoPracticeE750forcharacterizingacousticinstrumentationandrefertoGuideE2374forAEsystemperformanceverification.Theproceduresgiveninthisguidearedesignedtomeasuretheresponseofanacousticemissionsensortoanarbitrarybutrepeatableacousticwave.Theseproceduresinnowayconstituteacalibrationofthesensor.Theabsolutecalibrationofasensorrequiresacompleteknowledgeofthecharacteristicsoftheacousticwaveexcitingthesensororapreviouslycalibratedreferencesensor.Ineithercase,suchacalibrationisbeyondthescopeofthisguide.Thefundamentalrequirementforcomparingsensorresponsesisasourceofrepeatableacousticwaves.Thecharacteristicsofthewavedonotneedtobeknownaslongasthewavecanbereproducedatwill.Thesourcesandgeometriesgiveninthisguidewillproduceprimarilycompressionalwaves.Whilethesensorswillresponddifferentlytodifferenttypesofwaves,changesintheresponsetoonetypeofwavewillimplychangesintheresponsestoothertypesofwaves.Theseproceduresuseatestblockorrod.Suchadeviceprovidesaconvenientmountingsurfaceforthesensorandwhenappropriatelymarked,canensurethatthesourceandthesensorarealwayspositionedidenticallywithrespecttoeachother.Thedeviceorrodalsoprovidesmechanicalloadingofthesensorsimilartothatexperiencedinactualuse.Caremustbetakenwhenusingthesedevicestominimizeresonancessothatthecharacteristicsofthesensorarenotmaskedbytheseresonances.Theseproceduresallowcomparisonofresponsesonlyonthesametestsetup.Noattemptshouldbemadetocompareresponsesondifferenttestsetups,whetherinthesameorseparatelaboratories.1.1Thisguidedefinessimpleeconomicalproceduresfortestingorcomparingtheperformanceofacousticemissionsensors.Theseproceduresallowtheusertocheckfordegradationofasensorortoselectsetsofsensorswithnearlyidenticalperformances.Theproceduresarenotcapableofprovidinganabsolutecalibrationofthesensornordotheyassuretransferabilityofdatasetsbetweenorganizations.1.2Units8212;ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareinclu......
【中国标准分类号】:L31
【国际标准分类号】:
【页数】:7P.;A4
【正文语种】:


【英文标准名称】:Electricitymetering-Dataexchangeformeterreading,tariffandloadcontrol-Directlocaldataexchange
【原文标准名称】:电度表.电度表读数,计价和负载控制的数据交换.直接地方性数据交换
【标准号】:BSEN62056-21-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-07-17
【实施或试行日期】:2002-07-17
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:会计;测量仪器;数据传输;计算机硬件;仪表读数;定义;定义;电气工程;数据传送;协议;税控制;规范(验收);特性;数据交换;传输协议;电流;性能;电能;数据网络;电度表;电度表;;能量测量;负载控制
【英文主题词】:Accounts;Computerhardware;Connections;Counters;Currentmeters;Currents;Datacommunication;Dataexchange;Datalinksystem;Datanetwork;Datatransfer;Datatransmission;Definition;Definitions;Distributionofelectricity;Electricenergy;Electricalengineering;Electricitymeter;Electricitysupplymeters;ElectronicDataInterchanges;Energymeasurement;Englishlanguage;Fixed;Informationexchange;Loadcontrol;Localareanetworks;Measuringinstruments;Meterreading;Mobile;Performance;Physicalproperties;Properties;Protocols;PSTN;Specification(approval);Tariff;Tariffcontrol;Tariffmeteringdevices;Telecounters;Transmissionprotocol
【摘要】:ThispartofIEC62056describeshardwareandprotocolspecificationsforlocalmeterdataexchange.Insuchsystems,ahand-heldunit(HHU)oraunitwithequivalentfunctionsisconnectedtoatariffdeviceoragroupofdevices.Theconnectioncanbepermanentordisconnectableusinganopticalorelectricalcoupling.Anelectricalinterfaceisproposedforusewithapermanentconnection,orwhenmorethanonetariffdeviceneedstobereadatonesite.TheopticalcouplershouldbeeasilydisconnectabletoenabledatacollectionviaanHHU.Theprotocolpermitsreadingandprogrammingoftariffdevices.Itisdesignedtobeparticularlysuitablefortheenvironmentofelectricitymetering,especiallyasregardselectricalisolationanddatasecurity.Whiletheprotocoliswell-defined,itsuseandapplicationarelefttotheuser.Thisstandardisbasedonthereferencemodelforcommunicationinopensystems.Itisenhancedbyfurtherelementssuchasanopticalinterface,protocolcontrolledbaudrateswitchover,datatransmissionwithoutacknowledgementofreceipt.Theprotocoloffersseveralmodesforimplementationinthetariffdevice.TheHHUorequivalentunitactsasamasterwhilethetariffdeviceactsasaslaveinprotocolmodesAtoD.InprotocolmodeE,theHHUactsasaclientandthetariffdeviceactsasaserver.Asseveralsystemsareinpracticalusealready,particularcarewastakentomaintaincompatibilitywithexistingsystemsand/orsystemcomponentsandtheirrelevantprotocols.
【中国标准分类号】:N22
【国际标准分类号】:35_240_60;91_140_50
【页数】:74P.;A4
【正文语种】:英语