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ISO/IEC 15286-1999 信息技术信息交换用130mm盒式光盘容量:每盒5.2GB

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【英文标准名称】:Informationtechnology-130mmopticaldiskcartridgesforinformationinterchange-Capacity:5,2Gbytespercartridge
【原文标准名称】:信息技术信息交换用130mm盒式光盘容量:每盒5.2GB
【标准号】:ISO/IEC15286-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-05
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:物理性能;容量;信息交流;尺寸;信息交换;光盘;规范;磁性能;互换性;只读存储器;磁道格式;盒式光盘;机械性能;数据记录
【英文主题词】:
【摘要】:ThisInternationalStandardspecifiesthecharacteristicsofaseriesofrelated130mmopticaldiskcartridges(ODCs)byusinganumberofTypedesignations.Adiskhastwosides,calledSideAandSideB.Eachsidecanhaveanominalcapacityof2,6Gbytes.TypeR/Wprovidesfordatatobewritten,readanderasedmanytimesovertherecordingsurfaceofthecorrespondingdiskside,usingthethermo-magneticandmagneto-opticaleffects.TypeP-ROMprovidesforapartofthedisksurfacetobepre-recordedandreproducedbystampingorothermeans.Thispartofthediskisreadwithoutrecoursetothemagneto-opticaleffect.Allpartswhicharenotpre-recordedprovidefordatatomeettherequirementsofTypeR/W.TypeO-ROMprovidesforthewholeofthedisksurfacetobepre-recordedandreproducedbystampingorothermeans.Thecorrespondingdisksidesarereadwithoutrecoursetothemagneto-opticaleffect.TypeDOWprovidesfordatatobewrittenandreadmanytimesovertherecordingsurfaceofthecorrespondingdiskside,usingthedirectoverwritethermo-magneticandmagneto-opticaleffectsrequiringasingleexternalmagneticfield.TypeP-DOWprovidesforapartofthedisksurfacetobepre-recordedandreproducedbystampingorothermeans.Thispartofthediskisreadwithoutrecoursetothemagneto-opticaleffect.Allpartswhicharenotpre-recordedprovidefordatatomeettherequirementsofTypeDOW.TypeWOprovideswriteonce,readmultiplefunctionalityusingthethermo-magneticandmagneto-opticaleffects.TypeWO-DOWprovideswriteonce,readmultiplefunctionalityusingthedirectoverwritethermo-magneticandmagneto-opticaleffects.Inaddition,foreachType,thisInternationalStandardprovidesforcartridgescontainingadiskwithasectorsizeof512bytes,cartridgescontainingadiskwithasectorsizeof1024bytesandcartridgescontainingadiskwithasectorsizeof2048bytes.Allsectorsofadiskarethesamesize.ThisInternationalStandardspecifies-theconditionsforconformancetestingandtheReferenceDrive;-theenvironmentsinwhichthecartridgesaretobeoperatedandstored;-themechanical,physicalanddimensionalcharacteristicsofthecartridge,soastoprovidemechanicalinterchangeabilitybetweendataprocessingsystems;-theformatoftheinformationonthedisk,bothembossedanduser-written,includingthephysicaldispositionofthetracksandsectors,theerrorcorrectioncodes,themodulationmethodsused;-thecharacteristicsoftheembossedinformationonthedisk;-themagneto-opticalcharacteristicsofthedisk,enablingprocessingsystemstowritedataontothedisk;-theminimumqualityofuser-writtendataonthedisk,enablingdataprocessingsystemstoreaddatafromthedisk.ThisInternationalStandardprovidesforinterchangebetweenopticaldiskdrives.TogetherwithaStandardforvolumeandfilestructureitprovidesforfulldatainterchangebetweendataprocessingsystems.
【中国标准分类号】:L64
【国际标准分类号】:35_220_30
【页数】:148P;A4
【正文语种】:英语


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MIL-STD-1461E (NOTICE 1), MILITARY STANDARD, AMMUNITION MANUFACTURERS AND THEIR SYMBOLS (15 JAN 1998) [S/S BY MIL-HDBK-1461]., MIL-STD-1461E, dated 05 November 1990, is hereby canceled. Future acquisitions should referto MIL-HDBK-1461, 鈥淎mmunition Manufacturers and Their Symbols.鈥?MIL-STD-1472D
基本信息
标准名称:木质活性炭试验方法 钙镁含量的测定
英文名称:Test methods of wooden activated carbon-Determination of calcium and magnesium content
中标分类: 农业、林业 >> 林业 >> 木炭
ICS分类:
替代情况:GB/T 12496.10-1990
发布部门:国家质量技术监督局
发布日期:1999-11-10
实施日期:2000-04-01
首发日期:1990-10-12
作废日期:1900-01-01
主管部门:国家林业局
提出单位: 国家林业局
归口单位:国家林业局
起草单位:中国林业科学研究院林产化学工业研究所
出版社:中国标准出版社
出版日期:2000-04-01
页数:2页
适用范围

本标准规定了钙镁含量的试验方法。本标准适用于木质类活性炭。

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所属分类: 农业 林业 林业 木炭