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BS EN ISO/IEC 7487-1-1995 信息技术.以限定的频率7958次磁通变换/弧度和1.9次变换/mm(48次变换/in)在两侧调制录制的130mm(5.25in)盒式软磁盘的数据交换.第1部分:IS0202型.尺寸,物理性能和磁性能

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【英文标准名称】:Informationtechnology-Datainterchangeon130mm(5,25in)flexiblediskcartridgesusingmodifiedfrequencymodulationrecordingat7958ftprad,1,9tpmm(48tpi),onbothsides-ISOtype202-Dimensional,physicalandmagneticcharacteristics
【原文标准名称】:信息技术.以限定的频率7958次磁通变换/弧度和1.9次变换/mm(48次变换/in)在两侧调制录制的130mm(5.25in)盒式软磁盘的数据交换.第1部分:IS0202型.尺寸,物理性能和磁性能
【标准号】:BSENISO/IEC7487-1-1995
【标准状态】:现行
【国别】:英国
【发布日期】:1995-08-15
【实施或试行日期】:1995-08-15
【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】:数据处理;记录特性;宽度测量;热膨胀;数据介质;厚度测量;软盘;试验条件;拒收;调频;数据媒体;磁盘;信封;记录道;四方形;磁记录;互换性;扭矩;外层;不透明度;性能;尺寸;储存;工作环境;数据记录;信息交流;试验设备;透射率;光学测量
【英文主题词】:Boards;Combustibility;Data;Dataexchange;Datamedia;Dataprocessing;Datarecording;Definitions;Dimensions;Doubledirection;Durability;Electromagnetic;Electromagnetism;Envelopes;Exchange;Flexibledisks;Information;Informationexchange;Informationinterchange;Informationprocessing;Informationtechnology;Instruments;Interferences;Layout;Magneticdisks;Magneticproperties;Magneticrecording;Materials;Memory;Opacity;Physical;Physicalproperties;Properties;Recording;Replaceability;Signals;Specification(approval);Specifications;Trackformats;Tracklayout;Trackpitch;Tracks;Two-frequencyrecordingmode
【摘要】:ThispartofISO/IEC7487specifiesthedimensional,physicalandmagneticcharacteristicsofthecartridgesoastoprovidephysicalinterchangeabilitybetweendataprocessingsystems.
【中国标准分类号】:L70
【国际标准分类号】:35_220_21
【页数】:32P;A4
【正文语种】:英语


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【英文标准名称】:GeneralInstructionsPerformanceTestCodes
【原文标准名称】:总规程
【标准号】:ASMEPTC1-2004
【标准状态】:现行
【国别】:美国
【发布日期】:2004-01-01
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:性能试验;额定试验;控制;试验;性能;规范(验收);试验设备
【英文主题词】:Controlling;Performance;Performancetests;Ratingtests;Specification(approval);Testequipment;Testing
【摘要】:MostASMEPerformanceTestCodesareapplicabletoaspecifictypeofequipmentdefinedbytheCode.TheremaybeseveralsubcategoriesofequipmentcoveredbyasingleCode.TypesofequipmentforwhichPTCsapplycanbeclassifiedintofivebroadcategories:(a)electricalormechanicalpowerproducing;(b)combustionandheattransfer;(c)fluidhandling;(d)emissioncontrol,and;(e)alliedequipment.Thequantities,whichcharacterizeperformance,definedineachcodefortheequipmentwithinitsscope.PerformancecharacteristicsdeterminedbyadherencetoaPTCcanbeevaluatedascomparedtodesignorpredictedcharacteristics,toprevioustestresults,ortheycanbeusedtobenchmarkorascertainperformanceataparticulartime.SomePTCsarewrittenasgeneraldocumentsforreference,insupportoftheequipmentPTCs.Thesecanbeconsideredastechnicalreferencematerialfortheequipmentcodes.Referencematerialcodescanbedividedintothreetypes.Thefirsttypeaddressesthemeasurementofphenomenacloselyassociatedwiththeequipment,suchasemissions.Thesecondtypecoversinstrumentationusedinthemeasurementofthermodynamicorprocessfluidparameters,suchaspressure,temperature,flow,andsteamquality,andhowtoanalyzetheuncertaintiesassociatedwithmeasurementofallprimaryparameterstodevelopoveralltestuncertaintyisincludedinthistype.SuchindividualcodesreferringtoprocessorthermodynamicquantitiesareknownasPerformanceTestCodeInstrumentsandApparatusSupplements.Theyaresupplementarytotheinformationonmandatoryinstrumentationrequirementscontainedintheequipmentcodes.Instrumentationinformationinequipmenttestcodescansupersedetheinformationgiveninthesesupplements,orthesesupplementsmaybereferencedbyanequipmentTestCodewheredeemedappropriatebythecommittee.Thethirdtypecoversmiscellaneousgeneralinformation,andcurrentlyconsistsofPTC1,"GeneralInstructions,"andPTC2,"DefinitionsandValues."PTC2containsstandardsforterms,units,valuesofconstants,andtechnicalnomenclature.
【中国标准分类号】:J70
【国际标准分类号】:19_020
【页数】:20P.;A4
【正文语种】:英语


【英文标准名称】:Markinginksandsolderresistcoatingmaterialsforprintedcircuits.Specificationformarkinginks
【原文标准名称】:印制电路用标志墨水和防焊涂料.第2部分:标志墨水
【标准号】:BS6096Pt.2-1981
【标准状态】:作废
【国别】:英国
【发布日期】:1981-07-31
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电绝缘;作标记;墨水;电阻;印制电路;耐磨性;寿命;电子设备及元件
【英文主题词】:marking;electricalinsulation;electronicequipmentandcomponents;life(durability);printedcircuits;inks;wearresistance;electricalresistance
【摘要】:
【中国标准分类号】:L30
【国际标准分类号】:87_080;31_180
【页数】:4P;A4
【正文语种】:英语