NF H95-203-1986 连续机械装卸设备.装有承载托辊的传送带输送机.计算推荐规范

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【英文标准名称】:Imagingmaterials-Opticaldiscs-Careandhandlingforextendedstorage
【原文标准名称】:成像材料.光盘.扩展存储用维护和处理
【标准号】:ISO18938-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-09-15
【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/TC42
【标准类型】:()
【标准水平】:()
【中文主题词】:CD;组分;污染;数据媒体;数据介质;定义;DVD;数字;处理;处理装置;识别;成象;长时存储;维护;材料;光盘;光学仪器;摄影;记录;记录系统;储存;测试;运输
【英文主题词】:CD;Composition;Contamination;Datamedia;Definition;Definitions;DVD;Figures;Handling;Handlingunits;Identification;Imaging;Long-timestorage;Maintenance;Materials;Opticaldisks;Opticalinstruments;Photography;Recording;Recordingsystems;Storage;Testing;Transport
【摘要】:ThisInternationalStandardestablishesgeneralprinciplesforthecareandhandlingofdigitalopticaldiscsduringuse.Itaddressestheissuesofphysicalintegrityofthemediumnecessarytopreserveaccesstotherecordeddata(information).ThisInternationalStandardincludesrecommendationsforhandlingprocedurestomaximizetheeffectivelifeofopticaldiscs.Faultyhandling,packingandtransportingtechniquesandmethodsoftencausephysicaldamagetothediscsandtothecontentrecordedthereon.Extendingthelongevityofopticaldiscsrequirestheidentificationofappropriatehandlingmethods,aswellaswell-developedandimplementedtrainingprograms.ForthepurposesofthisInternationalStandard,theterm"opticaldisc"includesthefamiliesofcompactdisc(CD),digitalversatiledisc(DVD),highdefinitiondigitalversatiledisc(HDDVD)andBlu-raydisc(BD)2),andanyhybridsofthesefamilies.Theterm"opticaldisc"alsoincludeseachtypeofdiscwithinafamily,includinginjectionmoulded[read-onlymemory(ROM)],dye-layer[recordable(R)]andphasechange[rewriteable(RW),randomaccessmemory(RAM)]technologies.WhilesomeoftherecommendationsinthisInternationalStandard(e.g.thoseforstafftraining)applyspecificallytolarge-scaleorlongtermusage,thebasicsofallrecommendationsinthisInternationalStandardareintendedtobeappliedincircumstanceswherethedesiredresultislong-termusageofthemediumwhetherarchival,commercialorpersonal.ThisInternationalStandarddoesnotcovermagneto-optical(MO)discs,laserdiscs(LD)orglassdiscs.Atthetimeofwriting,InternationalStandardsdonotexistforHDDVDandBlu-raydiscs.Nonetheless,itisbelievedthattherecommendationsinthisInternationalStandardforcareandhandlingcanequallyapplytothem.Itisrecognizedthatsomeoftheserequirementsarenotnecessarilypossiblefortheindividualusertoachieve.ThefollowingarewithinthescopeofthisInternationalStandard:--useandhandlingenvironments,includingpollutants,temperatureandhumidityandlightexposure;--contaminationconcerns;--inspection;--cleaningandmaintenance,includingcleaningmethodsandfrequency;--transportation;mdisasters,includingwater,fire,constructionandpost-disasterprocedures;--stafftraining.ThequalityofthedatawrittenonthediscisoutsidethescopeofthisInternationalStandard.However,ahighqualityresultoftherecordingphaseisimportanttothelongevityofinformation.Itisadvisablethatarigorousprogramofdataintegritytestingbeimplemented,asthisformsanobligatorypartofalldigitallong-termstorage.Inaddition,whenkeepingdigitalinformationforarchivalpurposes,itisadvisablethatamultiplecopy/multiplelocationstrategybeinplace.
【中国标准分类号】:L64
【国际标准分类号】:35_220_30;37_040_99
【页数】:31P.;A4
【正文语种】:英语

标准名称：	渗透剂BX
中标分类：	化工 >> 化学助剂、表面活性剂、催化剂、水处理剂 >> 表面活性剂
替代情况：	转化为HG/T 3513-90
发布日期：
实施日期：	1990-05-01
首发日期：
作废日期：
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