IEC 60444-1 AMD 1-1999 用π型网络零相位技术测量石英晶体元件参数第1部分:用π型网络零相位技术测量石英晶体元件的谐振频率和谐振电阻的基本方法修改1
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【英文标准名称】:Measurementofquartzcrystalunitparametersbyzerophasetechniqueina-network-Part1:Basicmethodforthemeasurementofresonancefrequencyandresonanceresistanceofquartzcrystalunitsbyzerophasetechniqueina-network;Amendment
【原文标准名称】:用π型网络零相位技术测量石英晶体元件参数第1部分:用π型网络零相位技术测量石英晶体元件的谐振频率和谐振电阻的基本方法修改1
【标准号】:IEC60444-1AMD1-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-08
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC49
【标准类型】:()
【标准水平】:()
【中文主题词】:电气工程;测量技术;晶体(电子);测量仪器;频率;石英;共振频率;电子工程;谐振阻抗;压电器件
【英文主题词】:Crystals(electronic);Electricalengineering;Electronicengineering;Frequencies;Measuringinstruments;Measuringnetwork;Measuringtechniques;Piezoelectricdevices;Piezoelectricity;Quartz;Resonanceresistance;Resonantfrequency;Zerophase;Zero-method
【摘要】:ThisisAmendment1toIEC60444-1-1986(Measurementofquartzcrystalunitparametersbyzerophasetechniqueinapi-networkPart1:Basicmethodforthemeasurementofresonancefrequencyandresonanceresistanceofquartzcrystalunitsbyzerophasetechniqueinapi-network)
【中国标准分类号】:L21
【国际标准分类号】:31_140
【页数】:15P.;A4
【正文语种】:英语
【英文标准名称】:Electricitymetering-Dataexchangeformeterreading,tariffandloadcontrol-Objectidentificationsystem(OBIS)
【原文标准名称】:电量测量.仪表读数、费率和负载控制的数据交换.目标识别系统(OBIS)
【标准号】:BSEN62056-61-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-04-30
【实施或试行日期】:2007-04-30
【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】:计算;附加设备;应用层;特性;代码;消费;计数器;电流;数据通信;数据元;数据交换;数据连接系统;数据网络;数据结构;数据传送;数据传输;配电;电能;电气工程;电度表;电传输;电子数据交换;电子设备;能量消耗;能量测量;英语;识别;识别系统;负载控制;被测量值;测量;能耗测量;测量设备;测量仪器;仪表读数;仪表;目标识别系统;性能;周期;额定值;规范(验收);结构;费率;税控制;收费计数装置;远距离计数器;测试
【英文主题词】:Accounts;Additionalequipment;Applicationlayer;Characteristics;Codes;Consumption;Counters;Currents;Datacommunication;Dataelements;Dataexchange;Datalinksystem;Datanetwork;Datastructures;Datatransfer;Datatransmission;Distributionofelectricity;Electricenergy;Electricalengineering;Electricitymeter;Electricitysupplymeters;Electricitytransmission;ElectronicDataInterchanges;Electronicequipment;Energyconsumption;Energymeasurement;Englishlanguage;Identification;Identificationssystems;Loadcontrol;Measuredvalue;Measurement;Measurementofconsumption;Measurementofpowerconsumption;Measuringequipment;Measuringinstruments;Meterreading;Meters;Objectidentificationsystem;Performance;Period;Ratings;Specification(approval);Structure;Tariff;Tariffcontrol;Tariffmeteringdevices;Telecounters;Testing
【摘要】:TheOBjectIdentificationSystem(OBIS)definestheidentificationcodes(ID-codes)forcommonlyuseddataitemsinelectricitymeteringequipment.ThispartofIEC62056specifiestheoverallstructureoftheidentificationsystemandthemappingofalldataitemstotheiridentificationcodes.OBISprovidesauniqueidentifierforalldatawithinthemeteringequipment,includingnotonlymeasurementvalues,butalsoabstractvaluesusedforconfigurationorobtaininginformationaboutthebehaviourofthemeteringequipment.TheIDcodesdefinedinthisstandardareusedfortheidentificationof?logicalnamesofthevariousinstancesoftheinterfaceclasses,orobjects,asdefinedinIEC62056-62;?datatransmittedthroughcommunicationlines,seeClauseA.1;?datadisplayedonthemeteringequipment,seeClauseA.2.Thisstandardappliestoalltypesofelectricitymeteringequipment,suchasfullyintegratedmeters,modularmeters,tariffattachments,dataconcentrators,etc.Tocovermeteringequipmentmeasuringenergytypesotherthanelectricity,combinedmeteringequipmentmeasuringmorethanonetypeofenergyormeteringequipmentwithseveralphysicalmeasurementchannels,theconceptsofmediumandchannelsareintroduced.Thisallowsmeterdataoriginatingfromdifferentsourcestobeidentified.Whilethisstandardfullydefinesthestructureoftheidentificationsystemforothermedia,themappingofnon-electricalenergyrelateddataitemstoIDcodesneedstobecompletedseparately.NOTEEN13757-1definesidentifiersformeteringequipmentotherthanelectricity:heatcostallocators,cooling,heating,gas,coldwaterandhotwater.
【中国标准分类号】:N22
【国际标准分类号】:35_240_60;91_140_50
【页数】:42P.;A4
【正文语种】:英语
【英文标准名称】:Microbiology.Generalguidanceforthedetectionof{Enterobacteriaceae}withpre-enrichment.
【原文标准名称】:微生物学.预浓缩肠杆菌科检测的通用指南
【标准号】:NFV08-025-1992
【标准状态】:作废
【国别】:法国
【发布日期】:1992-02-01
【实施或试行日期】:1992-02-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:测定;试验;试验;微生物分析;饲料;肠杆菌科;食品;微生物;食品检验;农产品;微生物学
【英文主题词】:enterobacteriaceae;testing;microbiologicalanalysis;determination;agriculturalproducts;foodtesting;foodproducts;animalfeed;microbiology;microorganisms;tests
【摘要】:
【中国标准分类号】:C50;C53
【国际标准分类号】:07_100_30
【页数】:7P;A4
【正文语种】:其他
