ISO/IEC 14517-1996 信息技术信息交换用130mm盒式光盘容量:每盒2.6GB
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【英文标准名称】:Informationtechnology-130mmopticaldiskcartridgesforinformationinterchange-Capacity:2,6Gbytespercartridge
【原文标准名称】:信息技术信息交换用130mm盒式光盘容量:每盒2.6GB
【标准号】:ISO/IEC14517-1996
【标准状态】:现行
【国别】:国际
【发布日期】:1996-12
【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】:物理性能;尺寸;机械性能;盒式光盘;光学特性;数据记录;磁道格式;信息交换;规范(验收);光盘;信息技术;数据处理;定义
【英文主题词】:Dataprocessing;Datarecording;Definition;Definitions;Dimensions;Informationinterchange;Informationtechnology;Mechanicalproperties;ODC;Opticaldisks;Opticalproperties;Physicalproperties;Specification(approval);Trackformats
【摘要】:Definesaseriesofrelated130mmopticaldiskcartridges(ODCs).GivestheconditionsforconformancetestingandtheReferenceDrive,mechanical,physicalanddimensionalcharacteristics,theformatoftheinformation,themagneto-opticalcharacteristicsandtheminimumqualityofuser-writtendata.
【中国标准分类号】:L64
【国际标准分类号】:35_220_30
【页数】:135P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminationofMassConcentrationofParticulateMatterfromStationarySourcesatLowConcentrations(ManualGravimetricMethod)
【原文标准名称】:低浓度下来源于固定源的颗粒物质质量测定的标准试验方法(手工重量计法)
【标准号】:ASTMD6331-1998(2005)
【标准状态】:现行
【国别】:
【发布日期】:1998
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D22.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:高容量叠层取样;高容积叠层取样;等动态取样;颗粒状物;颗粒物质取样;叠层取样
【英文主题词】:highvolumestacksampling;isokineticsampling;particulatematter;particulatemattersampling;stacksampling
【摘要】:Themeasurementofparticulatematterandcollectedresidueemissionratesisanimportanttestmethodwidelyusedinthepracticeofairpollutioncontrol.Particulatemattermeasurementsaftercontroldevicesarenecessarytodeterminetotalemissionratesintotheatmosphere.5.1.1Thesemeasurements,whenapprovedbyfederalorstateagencies,areoftenrequiredforthepurposeofdeterminingcompliancewithregulationsandstatutes.5.1.2Themeasurementsmadebeforeandaftercontroldevicesareoftennecessarytodemonstrateconformancewithcontractualperformancespecifications.Thecollectedresidueobtainedwiththistestmethodisalsoimportantincharacterizingstackemissions.However,theutilityofthesedataislimitedunlessachemicalanalysisofthecollectedresidueisperformed.Thesemeasurementsalsocanbeusedtocalibratecontinuousparticulateemissionmonitoringsystemsbycorrelatingtheoutputofthemonitoringinstrumentswiththedataobtainedbyusingthistestmethod.5.3.1Thistestmethodisusefulinsuchcorrelationapplicationswhenemissionsarelessthan20mg/m3.5.3.2Thecorrelationtestmethodismostvalidwhenthemonitoringinstrumentationsamplestheparticulatematterunderthesametestconditionsasthistestmethod.1.1Thistestmethodcoversamethodforthemeasurementofparticulatematter(dust)concentrationinemissiongasesintheconcentrationsbelow20mg/m3standardconditions,withspecialemphasisaround5mg/m3.1.2Tomeettherequirementsofthistestmethod,theparticulatesampleisweighedtoaspecifiedlevelofaccuracy.Atlowdustconcentrations,thisisachievedby:1.2.1Exercisingextremecareinweighing,1.2.2Extendingthesamplingtimeatconventionalsamplingrates,or1.2.3Samplingathigherratesatconventionalsamplingtimes(high-volumesampling).1.3ThistestmethoddiffersfromTestMethodD3685/D3685Mbyrequiringthemassmeasurementoffilterblanks,specifyingweighingprocedures,andrequiringmonitoringofthefluegasflowvariabilityoverthetestingperiod.Itrequiresthattheparticulatemattercollectedonthesamplefilterhaveamassatleastfivetimesapositivemassdifferenceonthefilterblank.Highvolumesamplingtechniquesoranextensionofthesamplingtimemaybeemployedtosatisfythisrequirement.1.4Thistestmethodmaybeusedforcalibrationofautomatedmonitoringsystems(AMS).Iftheemissiongascontainsunstable,reactive,orsemi-volatilesubstances,themeasurementwilldependonthefiltrationtemperature,andin-stackmethodsmaybemoreapplicablethanout-stackmethodsforthecalibrationofautomatedmonitoringsystems.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z04
【国际标准分类号】:13_040_99
【页数】:14P.;A4
【正文语种】:
