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ISO 18938-2008 成像材料.光盘.扩展存储用维护和处理

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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


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【英文标准名称】:StandardSpecificationforMoldedGlassFiberReinforcedGypsumParts
【原文标准名称】:模制玻璃纤维增强石膏部件的标准规范
【标准号】:ASTMC1381-1997
【标准状态】:现行
【国别】:美国
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:玻璃纤维增强石膏;玻璃纤维增强石膏成份;玻璃纤维增强石膏部件;GRG;GRG成份;GRG部件
【英文主题词】:glassfiberreinforcedgypsumcomposite;glassfiberreinforcedgypsumparts;grg;grgcomposites;grgparts;glassfiberreinforcedgypsum
【摘要】:
【中国标准分类号】:Q62
【国际标准分类号】:
【页数】:
【正文语种】:英语


基本信息
标准名称:高压化工设备施工及验收规范
英文名称:Code for construction and acceptance of high pressure chemical equipment
中标分类: 工程建设 >> 原材料工业及通信、广播工程 >> 石化、化工工程
发布日期:1983-12-12
实施日期:1984-10-01
首发日期:
作废日期:2004-08-01
出版日期:
页数:30页
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所属分类: 工程建设 原材料工业及通信 广播工程 石化 化工工程