IEC 62298-4-2005 电视网络应用.第4部分:超高图文电视轮廓
时间:2024-05-16 16:25:29 来源: 标准资料网 作者：标准资料网 阅读：8702
【英文标准名称】:TeleWebapplication-Part4:HyperteletextprofilE
【原文标准名称】:电视网络应用.第4部分:超高图文电视轮廓
【标准号】:IEC62298-4-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-10
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC100
【标准类型】:()
【标准水平】:()
【中文主题词】:指示;印字格式;电视;图文电视;文档;交互性;表示层;译码器;电信;方法;因特网;多媒体;颜色表示法;格式编排;使用;定义;HTML;书画;编码;电气工程;轮廓
【英文主题词】:Applications;Codification;Decoders;Definitions;Encoding;Files;Formatting;Graphicarts;HTML;Hypermedia;Indications;Interactive;Interfaces(dataprocessing);Internet;Letteringstyle;Markuplanguage;Methods;Multimedia;Presentationlayers;Presentationofcolour;Profile;Telecommunications;Teletext;Teletextreceivers;Television;Videotex
【摘要】:ThispartofIEC62298specifiestheTeleWebHyperteletextprofilethatallowsWeb-styletextandgraphicstobedisplayedonsuitabledecoders.ATeleWebservicecomprisesmultimediadatafileswhoseformatandattributesaredefinedbythisspecification.ThisstandardisbackwardscompatiblewithIEC62298-3andextendsitwithfeatureslikescriptingandstyle-sheets.Thegraphicalcapabilityisextendedwithfeatureslikeframesandforms.Forinformationregardinggeneralinformationandthetransportlayer,refertoIEC62298-1andIEC62298-2.
【中国标准分类号】:M63
【国际标准分类号】:33_170;35_240_99
【页数】:42P.;A4
【正文语种】:英语
【英文标准名称】:StandardGuideforAssessingtheHazardofaMaterialtoAquaticOrganismsandTheirUses
【原文标准名称】:评定材料对水生生物及其使用中存在的危险性的标准指南
【标准号】:ASTME1023-1984(2007)
【标准状态】:现行
【国别】:
【发布日期】:1984
【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】:E47.04
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:危险物质;试验;污染控制
【英文主题词】:biological;chemical;environment;toxicological;measuring;estimate;hazard
【摘要】:Adverseeffectsonnaturalpopulationsofaquaticorganismsandtheiruseshavedemonstratedtheneedtoassessthehazardsofmanynew,andsomepresentlyused,materials.Theprocessdescribedhereinwillhelpproducers,users,regulatoryagencies,andotherstoefficientlyandadequatelycomparealternativematerials,completelyassessafinalcandidatematerial,orreassessthehazardofamaterialalreadyinuse.Sequentialassessmentandfeedbackallowappropriatejudgmentsconcerningefficientuseofresources,therebyminimizingunnecessarytestingandfocusingeffortontheinformationmostpertinenttoeachmaterial.Fordifferentmaterialsandsituations,assessmentofhazardwillappropriatelybebasedonsubstantiallydifferentamountsandkindsofbiological,chemical,physical,andtoxicologicaldata.Assessmentofthehazardofamaterialtoaquaticorganismsandtheirusesshouldneverbeconsideredcompleteforalltime.Reassessmentshouldbeconsiderediftheamountofproduction,use,ordisposalincreases,newusesarediscovered,ornewinformationonbiological,chemical,physical,ortoxicologicalpropertiesbecomesavailable.Periodicreviewwillhelpassurethatnewcircumstancesandinformationreceivepromptappropriateattention.Ifthereissubstantialtransformationtoanothermaterial,thehazardofbothmaterialsmayneedtobeassessed.Inmanycases,considerationofadverseeffectsshouldnotendwithcompletionofthehazardassessment.Additionalstepsshouldoftenincluderiskassessment,decisionsconcerningacceptabilityofidentifiedhazardsandrisks,andmitigativeactions.Becausethispracticedealsmostlywithadverseeffectsonaquaticorganismsandtheiruses,itisimportantthatmitigativeactions,suchasimprovedtreatmentofaqueouseffluents,notresultinunacceptableeffectsonnon-aquaticorganisms.Thus,thisstandardshouldbeusedwithotherinformationinordertoassesshazardtobothaquaticandnon-aquaticorganisms.1.1Thisguidedescribesastepwiseprocessforusinginformationconcerningthebiological,chemical,physical,andtoxicologicalpropertiesofamaterialtoidentifyadverseeffectslikelytooccurtoaquaticorganismsandtheirusesasaresultofreleaseofthematerialtotheenvironment.Thematerialwillusuallybeaspecificchemical,althoughitmightbeagroupofchemicalsthathaveverysimilarbiological,chemical,physical,andtoxicologicalpropertiesandareusuallyproduced,used,anddiscardedtogether.1.2Thehazardassessmentprocessiscomplexandrequiresdecisionsatanumberofpoints;thus,thevalidityofahazardassessmentdependsonthesoundnessofthosedecisions,aswellastheaccuracyoftheinformationused.Alldecisionsshouldbebasedonreasonableworst-caseanalysessothatanappropriateassessmentcanbecompletedfortheleastcostthatisconsistentwithscientificvalidity.1.3Thisguideassumesthatthereaderisknowledgeableinaquatictoxicologyandrelatedpertinentareas.Alistofgeneralreferencesisprovided().1.4Thisguidedoesnotdescribeorreferencedetailedproceduresforestimatingormeasuringenvironmentalconcentrations,orproceduresfordeterminingthemaximumconcentrationoftestmaterialthatisacceptableinthefoodofpredatorsofaquaticlife.However,thisguidedoesdescribehowsuchinformationshouldbeusedwhenassessingthehazardofamaterialtoaquaticorganismsandtheiruses.1.5Becauseassessmentofhazardtoaquaticorganismsandtheirusesisarelativelynewactivitywithinaquatictoxicology,mostoftheguidanceprovidedhereinisqualitativeratherthanquantitative.Whenpossible,confidencelimitsshouldbecalculatedandtakenintoaccount.1.6Thisguideprovidesguidanceforassess......
【中国标准分类号】:Z04
【国际标准分类号】:07_100_20
【页数】:17P.;A4
【正文语种】:
【英文标准名称】:StandardPracticeforInstallationandUseofInteriorRadiationControlCoatingSystems(IRCCS)inBuildingConstruction
【原文标准名称】:建筑物内部辐射控制涂层系统的安装和使用的标准规程
【标准号】:ASTMC1321-1998
【标准状态】:作废
【国别】:美国
【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(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:喷涂;建筑物;建筑物;装配;应用;内部辐射控制涂层系统;内部辐射控制涂层系统;建筑;应用涂层;高反射涂料;高温涂料;低辐射涂料;涂料低辐射;辐射控制涂层;实施规程
【英文主题词】:
【摘要】:
【中国标准分类号】:Q04
【国际标准分类号】:91_120_10
【页数】:
【正文语种】:英语