MT 870-2000 煤矿用防爆激光指向仪
时间:2024-05-19 02:57:30 来源: 标准资料网 作者:标准资料网 阅读:9542
基本信息
标准名称: | 煤矿用防爆激光指向仪 |
英文名称: | Laser orientation instrument for coal mine |
中标分类: |
矿业 >>
矿山机械设备 >>
煤矿专用设备器材 |
ICS分类: |
|
发布部门: | 国家煤炭工业局 |
发布日期: | 2000-12-08 |
实施日期: | 2001-05-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
提出单位: | 国家煤炭工业局规划发展司(国家煤矿安全监察局安全技术装备保障司) |
归口单位: | 煤炭工业煤矿安全标准化技术委员会 |
起草单位: | 煤炭科学研究总院抚顺分院 |
起草人: | 杨敏、付素玲、周海坤、陆建国 |
出版社: | 中国煤炭工业出版社 |
出版日期: | 2001-05-01 |
页数: | 9页 |
适用范围
本标准规定了煤矿用防爆激光指向仪的产品分类、基本参数、技术要求、试验方法、检验规则、标志、包装、运输及贮存等。
本标准适用于煤矿用防爆激光指向仪(以下简称激光指向仪)。
前言
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目录
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引用标准
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所属分类: 矿业 矿山机械设备 煤矿专用设备器材
【英文标准名称】:Informationtechnology-Hypermedia/time-basedstructuringlanguage(HyTime)
【原文标准名称】:信息技术.超媒体/时基结构语言
【标准号】:BSISO/IEC10744-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-05-15
【实施或试行日期】:1998-05-15
【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】:数据布置;句法;合格;程序设计语言;超媒体;数据传送;地址(数据处理);文献索引;信息交流;正文;页描述语言;接口;语义学;目标(数据处理);数据处理;文献;文件结构(计算机);出版;正文(文献);语言;标记;代码表示;数据表示
【英文主题词】:Communicationtechnology;Definitions;Hypermedia;HyTime;Informationtechnology;Programminglanguages
【摘要】:1DefinitionofscopeThisInternationalStandarddefinesalanguageandunderlyingmodelfortherepresentationof"hyperdocuments"thatlinkandsynchronizestaticanddynamic(time-based)informationcontainedinmultipleconventionalandmultimediadocumentsandinformationobjects.Thelanguageisknownasthe"Hypermedia/Time-basedStructuringLanguage",or"HyTime".HyTimecanrepresenttimeinboththeabstract,or"musical"sense,andinuser-definedreal-timeunits.Italsoprovidesawayofrelatingthetwosothatelementsoftime-dependentdocumentscanbesynchronized.NOTE7Thisfacilityextendstotherepresentationofmultimediainformationthepower,oncelimitedtoconventionaldocuments,todistinguishintrinsicinformationcontentfromstyleconsiderations.HyTime'stechniquesforrepresentingitstimemodelareequallyapplicabletospatialandotherdomains;allaretreatedassystemsformeasuringalongdifferentaxesofacoordinatespace.Arbitrarycross-referencesandaccesspathsbasedonexternalinteractions("hypermedialinks")arealsosupported.HyTime'stimerepresentationcontainssufficientinformationtoderivethedurationsofbothcontrol("gestural")data(e.g.,controlinformationforaudioorvideohardware)andvisualdata(e.g.,amusicscore,presentationstoryboard,ortelevisionscript).ThemediaformatsanddatanotationsofobjectsinaHyTimehyperdocumentcanincludeformattedandunformatteddocuments,audioandvideosegments,stillimages,andobject-orientedgraphics,amongothers.Userscanspecifythepositionsandsizesofoccurrencesofobjectsinspaceandtime,usingavarietyofmeasurementunitsandgranularities.Temporalrequirementsofapplicationsrangingfromanimationtoprojectmanagementcanbesupportedbychoosingappropriatemeasurementgranules.NOTE8ThisInternationalStandarddoesnotaddresstherepresentationofaudioorvideocontentdata,butsimplydefinesthemeansbywhichthestart-timeanddurationofsuchdatacanbesynchronizedwithotherdigitizedinformation.Nordoesitspecifythelayoutprocessbywhichoccurrencesofunformatteddocumentsandotherinformationobjectscanbemadetofitthepositionsandsizesspecifiedforthem.HyTimeisanenablingstandard,notanencompassingone.Asaresult,theobjectscomprisingaHyTimehyperdocumentarefreetoconformtoanyapplicationarchitectures,ortodocumentarchitecturesimposedbystandards,andtoberepresentedinanynotationpermittedbythosearchitectures.Onlythe"hubdocumenf,whichmaydeterminethehyperdocumentmembership,mustconformtoHyTimeinadditiontoanyotherarchitecturestowhichitmayconform.HyTimeisdesignedforflexibilityandextensibility.Optionalsubsetscanbeimplemented,aloneorinconjunctionwithuser-definedextensions.TheHypermedia/Time-basedStructuringLanguage(HyTime)isanSGMLapplicationconformingtoInternationalStandardISO8879—StandardGeneralizedMarkupLanguage.ThehyperdocumentinterchangeformatrecommendedinthisInternationalStandardisISO9069,theSGMLDocumentInterchangeFormat(SDIF).SDIFisdefinedinAbstractSyntaxNotation1(ISO/IEC8824)andcanbeencodedaccordingtothebasicencodingrulesofISO/IEC8825forinterchangeusingprotocolsconformingtotheOpenSystemsInterconnection(OSI)model.Otherinterchangeformatscanalsobeused.2FieldofapplicationThefieldofapplicationofHyTimeis"integratedopenhypermedia"(IOH),the"bibliographicmodel"ofhyperlinkingwhereinanauthorcan,byasuitablereference,linktoanything,anywhere,atanytime.BecauseofHyTime'smodulardesignandflexibleconformancerules,implementationsneedsupportonlythosefacilitiesthatarewithintheirpresentcapabilities.Userinvestmentinhyperdocumentpreparationisneverthelessencouragedbecauseofthewell-definedupward-compatiblepathtoafullhypermediasolution.H
【中国标准分类号】:L74
【国际标准分类号】:35_060;35_240_99
【页数】:496P.;A4
【正文语种】:英语
【英文标准名称】:Externalcylindricalgrindingmachines-Centerless
【原文标准名称】:无心外圆磨床
【标准号】:ASMEB5.37-1970
【标准状态】:作废
【国别】:美国
【发布日期】:1970
【实施或试行日期】:
【发布单位】:美国机械工程师协会(ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:机床;磨床;机床部件;外圆磨床;尺寸;可置换性;规范(批准)
【英文主题词】:specification(approval);machinetools;machinetoolcomponents;dimensions;replaceability;externalcylindricalgrindingmachines;grindingmachines
【摘要】:
【中国标准分类号】:J55
【国际标准分类号】:25_080_50
【页数】:7P;A4
【正文语种】:英语