【英文标准名称】:Firefightingequipment-Explosion-proofportabletransferpumpfordangerousfluids,withelectricmotor-Requirements,testing
【原文标准名称】:消防设备.带电动机的防爆便携式危险液体用传送泵.要求、检验
【标准号】:DIN14427-2005
【标准状态】:现行
【国别】:德国
【发布日期】:2005-01
【实施或试行日期】:2005-01-01
【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】:
【英文主题词】:
【摘要】:Thedocumentcontainstherequirementsandthetestofexplosion-proofportabletransferpumpsfordangerousfluidswithelectricmotor.ComparedwiththeformereditionofthestandardanamendmentoftheconnectingvoltagewasmadeandalsotheadaptionoftheprotectivesystemsandthemarkingsaccordingtoDIRECTIVE94/9/ECOFTHEEUROPEANPARLIAMENTANDTHECOUNCILof23March1994ontheapproximationofthelawsoftheMemberStatesconcerningequipmentandprotectivesystemsintendedforuseinpotentiallyexplosiveatmospheres.
【中国标准分类号】:C84
【国际标准分类号】:13_220_20
【页数】:15P;A4
【正文语种】:德语


【英文标准名称】:Informationtechnology-DataInterchangeon120mmand80mmOpticalDiskusing+RWFormat-Capacity:4,7Gbytesand1,46GbytesperSide(Recordingspeedupto4X)
【原文标准名称】:信息技术.采用+RW格式的120mm和80mm光盘的数据交换.容量:每面4.7和1.46Gbytes(支持录制速度截至4X)
【标准号】:ISO/IEC17341-2006
【标准状态】:作废
【国别】:国际
【发布日期】:2006-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1/SC23
【标准类型】:()
【标准水平】:()
【中文主题词】:数据交换;数据介质;数据处理;定义;EDP;电子数据处理;信息交换;信息处理;信息技术;光盘;特性;规范(验收);存储体
【英文主题词】:Dataexchange;Datamedia;Dataprocessing;Definitions;EDP;Informationinterchange;Informationprocessing;Informationtechnology;Opticaldisks;Properties;Specification(approval);Storagetarget
【摘要】:ThisInternationalStandardspecifiesthemechanical,physicalandopticalcharacteristicsof120mmrewritableopticaldiskswithcapacitiesof4,7GBand9,4GB.Itspecifiesthequalityoftherecordedandunrecordedsignals,theformatofthedataandtherecordingmethod,therebyallowingforinformationinterchangebymeansofsuchdisks.Thedatacanbewritten,readandoverwrittenmanytimesusingthephasechangemethod.Thesedisksareidentifiedas+RW.ThisInternationalStandardalsospecifies80mmdiskswithcapacitiesof1,46GBand2,92GB.Thesediskshavethesamecharacteristicsasthe120mmdisks,exceptforsomeparametersrelatedtothesmallerdimensions.Allparametersuniqueforthe80mmdisksarespecifiedinAnnexA.ThisInternationalStandardspecifies:?tworelatedbutdifferentTypesofthisdisk(seeClause7);?theconditionsforconformance;?theenvironmentsinwhichthediskistobetested,operatedandstored;?themechanical,physicalanddimensionalcharacteristicsofthedisk,soastoprovidemechanicalinterchangebetweendataprocessingsystems;?theformatoftheinformationonthedisk,includingthephysicaldispositionofthetracksandsectors,theerrorcorrectingcodesandthecodingmethod;and?thecharacteristicsofthesignalsrecordedonthedisk,thusenablingdataprocessingsystemstoreadthedatafromthedisk.ThisInternationalStandardprovidesfortheinterchangeofdisksbetweenopticaldiskdrives.Togetherwithastandardforvolumeandfilestructure,itprovidesforfulldatainterchangebetweendataprocessingsystems.
【中国标准分类号】:L64
【国际标准分类号】:35_220_30
【页数】:127P;A4
【正文语种】:英语