SAE AMS2807 Identification, Carbon and Low-Alloy Steels, Corrosion and Heat-Resistant Steels and Alloys, Sheet, Strip, P

作者:标准资料网 时间:2024-05-29 09:10:15   浏览:8737   来源:标准资料网
下载地址: 点击此处下载
Product Code:SAE AMS2807
Title:Identification, Carbon and Low-Alloy Steels, Corrosion and Heat-Resistant Steels and Alloys, Sheet, Strip, Plate, and Aircraft Tubing
Issuing Committee:Ams B Finishes Processes And Fluids Committee
Scope:This specification covers procedures for identifying carbon and low-alloy steels, corrosion and heat-resistant steels and alloys, maraging and other highly-alloyed steels, and iron alloy sheet, strip, and plate, and aircraft tubing.
下载地址: 点击此处下载
【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


基本信息
标准名称:电子器件详细规范 3DA305型175MHz管壳额定的低电压双极型功率晶体管
英文名称:Detail specification for electronic components-Case-rated 175MHz low voltage bipolar power transistors,Type 3DA305
中标分类: 能源、核技术 >> 能源、核技术综合 >> 技术管理
发布日期:1986-02-17
实施日期:1987-06-01
首发日期:1900-01-01
作废日期:2010-01-20
出版日期:1900-01-01
页数:9页
适用范围

没有内容

前言

没有内容

目录

没有内容

引用标准

没有内容

所属分类: 能源 核技术 能源 核技术综合 技术管理