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BS 6328-3-1983 英国通信网家用线路连接设备.第3部分:直流电路连接装置规范

作者:标准资料网 时间:2024-07-21 00:59:45  浏览:8898   来源:标准资料网
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【英文标准名称】:Apparatusforconnectiontoprivatecircuitsrunbycertainpublictelecommunicationoperators-Specificationforapparatusforconnectiontodirectcurrentcircuits
【原文标准名称】:英国通信网家用线路连接设备.第3部分:直流电路连接装置规范
【标准号】:BS6328-3-1983
【标准状态】:现行
【国别】:英国
【发布日期】:1983-01-31
【实施或试行日期】:1983-01-31
【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】:直流电流;作标记;试验设备;电报电路;信号传输;信号电平;电连接器;电信系统;电性质和电现象;电路;通信网;通信设备
【英文主题词】:communicationequipment;directcurrent;electricconnectors;electricalpropertiesandphenomena;testequipment;signaltransmission;telegraphcircuits;marking;telecommunicationsystems;communicationnetworks;signallevel;circuits
【摘要】:Specifiesrequirementsforapparatustobeconnectedtodirectcurrentprivatecircuitsrunbycertaintelecommunicationsoperatorstominimizetherisksofinterferencewithotherusers.Directcurrentprivatecircuitsareintendedforintruderorfirealarmsandequipmentoperatedbychangeindirectcurrentorvoltage.
【中国标准分类号】:M30;L23
【国际标准分类号】:33_040_35;33_040_50
【页数】:18P.;A4
【正文语种】:英语


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【英文标准名称】:Ophthalmicinstruments-Fundamentalrequirementsandtestmethods-Part2:Lighthazardprotection
【原文标准名称】:眼科仪器.基本要求和试验方法.第2部分:光危害防护
【标准号】:ISO15004-2-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-02
【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/TC172
【标准类型】:()
【标准水平】:()
【中文主题词】:对视力的帮助;分类;制造日期;定义;发射值;发射;眼;精密机械;危害;辐照度;眼科设备;眼科光学;眼科学;光学仪器;光辐射;光学;病人;辐射;规范(验收);应力;试验;试验条件
【英文主题词】:Active;Aidtovision;Bearings;Brightness(ofcolour);Classification;Conditions;Contamination;Dataofthemanufacturer;Definitions;Design;Electricalsafety;Emission;Emissionvalues;Environmentalconditions;Environmentaltesting;Ergonomics;Eyes;Finemechanics;Flammability;Hazards;Indications;Information;Instruments;Irradiance;Layout;Limits(mathematics);Marking;Materials;Mechanic;Mechanicaltesting;Ophthalmicequipment;Ophthalmicoptics;Ophthalmology;Opticalinstruments;Opticalradiation;Optics;Patients;Performance;Phototherapy;Protection;Radiation;Resistance;Scales;Specification(approval);Stress;Surfaces;Testing;Testingconditions;Tonometers;Transport;Use
【摘要】:ThispartofISO15004specifiesfundamentalrequirementsforopticalradiationsafetyforophthalmicinstrumentsandisapplicabletoallophthalmicinstrumentsthatdirectopticalradiationintoorattheeyeandforwhichthereisaspecificlighthazardsrequirementsectionwithintheirrespectiveInternationalStandards,i.e.allophthalmicinstrumentslistedinAnnexB.Itisalsoapplicabletoallnewandemergingophthalmicinstrumentsthatdirectopticalradiationintoorattheeye.WheredifferencesexistbetweenthispartofISO15004andthelighthazardrequirementssectionoftherespectiveverticalInternationalStandard,thentheverticalInternationalStandardshalltakeprecedence.ThispartofISO15004doesnotapplytoradiationthatisinexcessoflimitsspecifiedinISO15004andthatisintendedfortreatmentoftheeye.ThispartofISO15004classifiesophthalmicinstrumentsintoeitherGroup1orGroup2inordertodistinguishinstrumentsthatarenon-hazardousfromthosethatarepotentiallyhazardous.
【中国标准分类号】:C32
【国际标准分类号】:11_040_70
【页数】:37P;A4
【正文语种】:英语


【英文标准名称】:Geographicinformation-Filterencoding
【原文标准名称】:地理信息.滤波器编码
【标准号】:ISO19143-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-10
【实施或试行日期】:2010-10-15
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC211
【标准类型】:()
【标准水平】:()
【中文主题词】:数据描述;数据处理;数据表示;数据传送;定义(术语);编码;可扩展标记语言;过滤器;大地测量学;地理信息;地理学;信息;信息处理;情报检索;UML;统一建模语言;XML
【英文主题词】:Datadescription;Dataprocessing;Datarepresentation;Datatransfer;Definitions;Encoding;ExtensibleMarkupLanguage;Filters;Geodesy;Geographicinformation;Geography;Information;Informationprocessing;Informationretrieval;UML;UnifiedModelingLanguage;XML
【摘要】:ThisInternationalStandarddescribesanXMLandKVPencodingofasystemneutralsyntaxforexpressingprojections,selectionandsortingclausescollectivelycalledaqueryexpression.ThesecomponentsaremodularandintendedtobeusedtogetherorindividuallybyotherstandardswhichreferencethisInternationalStandard.EXAMPLE1ISO19142makesuseofsomeorallofthesecomponents.ThisInternationalStandarddefinesanabstractcomponent,namedAbstractQueryExpression,fromwhichotherspecificationscansubclassconcretequeryelementstoimplementqueryoperations.ThisInternationalStandardalsodefinesanadditionalabstractquerycomponent,namedAbstractAdhocQueryExpresison,whichisderivedfromAbstractQueryExpressionandfromwhichotherspecificationscansubclassconcretequeryelementswhichfollowthefollowingquerypattern:Anabstractqueryelementfromwhichservicespecificationscansubclassaconcretequeryelementthatimplementsaqueryoperationthatallowsaclienttospecifyalistofresourcetypes,anoptionalprojectionclause,anoptionalselectionclause,andanoptionalsortingclausetoqueryasubsetofresourcesthatsatisfytheselectionclause.Thispatternisreferredtoasanadhocquerypatternsincetheserverisnotawareofthequeryuntilitissubmittedforprocessing.Thisisincontrasttoastoredqueryexpression,whichisstoredandcanbeinvokedbynameoridentifier.ThisInternationalStandardalsodescribesanXMLandKVPencodingofasystem-neutralrepresentationofaselectclause.TheXMLrepresentationiseasilyvalidated,parsedandtransformedintoaserver-specificlanguagerequiredtoretrieveormodifyobjectinstancesstoredinsomepersistentobjectstore.EXAMPLE2AnXMLencodedfiltercanbetransformedintoaWHEREclauseforaSQLSELECTstatementtofetchdatastoredinaSQL-basedrelationaldatabase.Similarly,andXMLencodedfilterexpressioncanbetransformedintoanXPathorXPointerexpressionforfetchingdatafromXMLdocuments.ThisInternationalStandarddefinestheXMLencodingforthefollowingpredicates.a)Astandardsetoflogicalpredicates:and,orandnot.b)Astandardsetofcomparisonpredicates:equalto,notequalto,lessthan,lessthanorequalto,greaterthan,greaterthanorequalto,like,isnullandbetween.c)Astandardsetofspatialpredicates:equal,disjoint,touches,within,overlaps,crosses,intersects,contains,withinaspecifieddistance,beyondaspecifieddistanceandBBOX.d)Astandardsetoftemporalpredicates:after,before,begins,begunby,contains,during,ends,equals,meets,metby,overlapsandoverlappedby.e)Apredicatetotestwhethertheidentifierofanobjectmatchesthespecifiedvalue.ThisInternationalStandarddefinestheXMLencodingofmetadatathatallowsaservicetodeclarewhichconformanceclasses,predicates,operators,operandsandfunctionsitsupports.ThismetadataisreferredtoasFilterCapabilities.
【中国标准分类号】:L71
【国际标准分类号】:35_240_70
【页数】:90P.;A4
【正文语种】:英语



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