ISO 9905 AMD 1-2011 离心泵技术规格.类I.修改件1
时间:2024-05-16 07:55:10 来源: 标准资料网 作者：标准资料网 阅读：9585
【英文标准名称】:Technicalspecificationsforcentrifugalpumps-ClassI;Amendment1
【原文标准名称】:离心泵技术规格.类I.修改件1
【标准号】:ISO9905AMD1-2011
【标准状态】:现行
【国别】:国际
【发布日期】:2011-04-15
【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/TC115
【标准类型】:()
【标准水平】:()
【中文主题词】:离心泵;设计;流体静力学的;工业;标志;材料;材料规范;机械工程;性能测试;性能试验;泵机组;泵;规范(验收);规格;技术数据单;试验
【英文主题词】:Centrifugalpumps;Design;Hydrostatic;Industries;Marking;Materials;Materialsspecification;Mechanicalengineering;Performancetesting;Performancetests;Pumpunit;Pumps;Specification(approval);Specifications;Technicaldatasheets;Testing
【摘要】:Technicalspecificationsforcentrifugalpumps-ClassI;Amendment1
【中国标准分类号】:J71
【国际标准分类号】:23_080
【页数】:8P.;A4
【正文语种】:英语
【英文标准名称】:Informationtechnology-120mm(4,7Gbytesperside)and80mm(1,46Gbytesperside)DVDrewritabledisk(DVD-RAM)
【原文标准名称】:信息技术.120mm(每面4.7G字节)和80mm(每面1.46G字节)DVD可再写盘
【标准号】:ISO/IEC17592-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-07
【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】:数据介质;尺寸;重新使用;磁道格式;数据存储;可重复使用;光盘;数据处理;DVD;RAM;读写记忆;试验;信息技术;定义
【英文主题词】:Datamedia;Dataprocessing;Datastorage;Definition;Definitions;Dimensions;DVD;Informationtechnology;Opticaldisks;RAM;Read-/writememories;Re-usable;Reuse;Testing;Trackformats
【摘要】:ThisInternationalStandardspecifiesthemechanical,physicalandopticalcharacteristicsofanopticaldisk,identifiedasDVDRewritableDisk(DVD-RAM),toenableinterchangeofsuchdisks.Itspecifiesthequalityoftherecordedsignals,theformatofthedataandtherecordingmethod,therebyallowingforinformationinterchangebymeansofsuchdisks.Thedatacanbewritten,readandoverwrittenmanytimesusingthephasechangemethod.TwoTypesarespecifiedthatdifferonlybytheirdiameterof120mmand80mm,andtheresultingdifferenceofcapacity.ThisInternationalStandardspecifies?tworelatedbutdifferentTypesofthisdisk(seeclause7),?theconditionsforconformance,?theenvironmentsinwhichthediskistobetested,operatedandstored,?themechanical,physicalanddimensionalcharacteristicsofthedisk,soastoprovidemechanicalinterchangebetweendataprocessingsystems,?theformatoftheinformationonthedisk,includingthephysicaldispositionofthetracksandsectors,theerrorcorrectingcodesandthecodingmethod,?thecharacteristicsofthesignalsrecordedonthedisk,thusenablingdataprocessingsystemstoreadthedatafromthedisk.ThisInternationalStandardprovidesfortheinterchangeofdisksbetweenopticaldiskdrives.Togetherwithastandardforvolumeandfilestructure,itprovidesforfulldatainterchangebetweendataprocessingsystems.TheopticaldisksspecifiedbythisInternationalStandardmaybeenclosedincasesaccordingtoISO/IEC17594asspecifiedtherein.
【中国标准分类号】:L64
【国际标准分类号】:35_220_30
【页数】:129P.;A4
【正文语种】:英语