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ISO/IEC 20061-2001 信息技术信息交换用12.65mm宽卡式磁带盒螺旋扫描记录DTF-2

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【英文标准名称】:Informationtechnology-12,65mmwidemagnetictapecassetteforinformationinterchange-Helicalscanrecording;DTF-2
【原文标准名称】:信息技术信息交换用12.65mm宽卡式磁带盒螺旋扫描记录DTF-2
【标准号】:ISO/IEC20061-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-12
【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
【标准类型】:()
【标准水平】:()
【中文主题词】:数据处理;信息交换;信息技术;定义;螺旋扫描记录(法);磁带;盒式磁带;磁道格式;磁记录;互换性;物理性能;数据记录;磁性能;尺寸;数据存储
【英文主题词】:Cassettes(magnetictapes);Dataprocessing;Datarecording;Datastorage;Definition;Definitions;Dimensions;Helicalscanrecording;Informationinterchange;Informationtechnology;Interchangeability;Magneticproperties;Magneticrecording;Magnetictapes;Physicalproperties;Trackformats
【摘要】:ThisInternationalStandardspecifiesthephysicalandmagneticcharacteristicsofmagnetictapecassettes,usingmagnetictape12,65mmwidesoastoprovidephysicalinterchangeofsuchcassettesbetweendrives.Italsospecifiesthequalityoftherecordedsignals,therecordingmethodandtherecordedformat,calledDigitalTapeFormat-2(DTF-2),therebyallowingdatainterchangebetweendrivesbymeansofsuchcassettes.TheformatsupportsvariablelengthLogicalRecords,high-speedsearch,andtheuseofaregisteredalgorithmfordatacompression.ThisInternationalStandardspecifiestwosizesofcassette.ForthepurposesofthisInternationalStandardthelargercassetteisreferredtoasTypeL,andthesmallerasTypeS.Togetherwithastandardforvolumeandfilestructure,e.g.InternationalStandardISO1001,thisInternationalStandardprovidesforfulldatainterchangebetweendataprocessingsystems.
【中国标准分类号】:A64
【国际标准分类号】:35_220_23
【页数】:100P;A4
【正文语种】:英语


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【英文标准名称】:Airquality-Measurementofstationarysourceemissions-ApplicationofENISO/IEC17025:2005toperiodicmeasurements
【原文标准名称】:空气质量.固定源排放的测量.ENISO/IEC17025-2005定期测量的应用
【标准号】:BSDDCEN/TS15675-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-11-30
【实施或试行日期】:2007-11-30
【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】:认可;空气质量;应用;校正;能力;定义;排放测量;实验室;管理系统;测量;质量保证;质量管理;循环的;抽样方法;规范(验收);试验室
【英文主题词】:Accreditation;Airquality;Applications;Calibration;Competence;Definitions;Emission;Emissionmeasurement;Laboratories;Managementsystems;Measurement;Qualityassurance;Qualitymanagement;Recurrent;Samplingmethods;Specification(approval);Testlaboratories
【摘要】:ThisTechnicalSpecificationsupplementstherequirementsofENISO/IEC17025:2005,andissuitableforthedemonstrationofcompetenceoflaboratoriesthatundertakeperiodicmeasurementofemissionsfromstationarysourcesincluding?thetakingofrepresentativesamplesofemissionsandsubsequentlaboratoryanalysisforgasesandforparticulatespecies,?thedeterminationofreferencequantitiessuchastemperature,pressure,watervapourandoxygencontentinthefieldand?theuseofportableinstruments(suchashandheldinstrumentsandtransportableinstrumentsusedinmobilelaboratories)inthefield.ThisTechnicalSpecificationisapplicabletoalllaboratoriesundertakingtheperiodicmeasurementofemissionsfromstationarysources,thecalibrationofinstalledautomatedmeasuringsystemsinaccordancewithEN14181:2004and/orthefieldtestingofautomatedmeasuringsystemsforconformityassessmentpurposes.
【中国标准分类号】:Z50;Z60
【国际标准分类号】:13_040_40
【页数】:46P.;A4
【正文语种】:英语


【英文标准名称】:Equipmentforsowingandplanting;Disks;PartII:FlatdiskstypeD2withsinglebevel;Dimensions
【原文标准名称】:播种和种植设备圆盘第2部分:D2型单侧倾斜平面圆盘尺寸
【标准号】:ISO4002-2-1977
【标准状态】:现行
【国别】:国际
【发布日期】:1977-05
【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/TC23
【标准类型】:()
【标准水平】:()
【中文主题词】:播种设备;种植设备;滑动轴承;垫圈;农用设备;农业机械;栽种机;圆盘;播种机;机械工程;公差;尺寸
【英文主题词】:Agriculturalequipment;Dimensions;Disks;Mechanicalengineering;Mountingholes;Plainbearings;Plantingmachines;Rollingbearings;Sowingmachines;Tolerances(measurement);Washers
【摘要】:Establishesthedimensionsofdisks,havingeitherplainorball/rollerbearings.Thetablegiventhedimensionsandfixingholesforoutsidediametersfrom300to350mm;thefigureillustratesthevariousdimensionsgivenandshowsasectionofthedisk.
【中国标准分类号】:B91
【国际标准分类号】:65_060_30
【页数】:2P.;A4
【正文语种】:英语