BS CWA 16234-1-2010 欧洲电子能力框架2.0.全体工业部门ICT专业人员的通用欧洲框架
作者:标准资料网 时间:2024-04-20 20:42:14 浏览:8569
来源:标准资料网
【英文标准名称】:Europeane-competenceframework2.0.AcommonEuropeanframeworkforICTprofessionalsinallindustrysectors
【原文标准名称】:欧洲电子能力框架2.0.全体工业部门ICT专业人员的通用欧洲框架
【标准号】:BSCWA16234-1-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-12-01
【实施或试行日期】:2010-12-01
【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】:计算机技术;数据处理;教育;考试(教育);信息交流;工作规范;管理;职业;全体人员;人事管理;招募;电信;培训
【英文主题词】:Computertechnology;Dataprocessing;Education;Examination(education);Informationexchange;Jobspecification;Management;Occupations;Personnel;Personnelmanagement;Recruitment;Telecommunication;Training
【摘要】:
【中国标准分类号】:L04
【国际标准分类号】:35_020
【页数】:90P;A4
【正文语种】:英语
【英文标准名称】:Instrumenttransformers-Part3:Combinedtransformers(IEC60044-3:2002);GermanversionEN60044-3:2003
【原文标准名称】:仪表用互感器.第3部分:组合式互感器
【标准号】:EN60044-3-2003
【标准状态】:现行
【国别】:
【发布日期】:2003-12
【实施或试行日期】:2003-12-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;试验;变压器;测定;规范(验收);电气工程;组合;极限(数学);多语种的;电流互感器;作标记;电压互感器;仪表用变压器
【英文主题词】:Combined;Currenttransformers;Definition;Definitions;Determinations;Electricalengineering;Instrumenttransformers;Limits(mathematics);Marking;Multilingual;Potentialtransformers;Specification(approval);Testing;Transformers
【摘要】:
【中国标准分类号】:L17
【国际标准分类号】:17_220_20
【页数】:23P.;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforContinuityVerificationofLiquidorSheetLiningsAppliedtoConcreteSubstrates
【原文标准名称】:对混凝土底层使用的液体或薄板衬垫的连续验正的标准实施规程
【标准号】:ASTMD4787-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D01.46
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:conductiveunderlayment;conductivity;discontinuities;highvoltagesparktesters;lowvoltagewetspongetesters;Cracking--coatings;Discontinuities--coatings;Concretepaintapplications;Conductanceandconductivity(electrical);Continuityverificat
【摘要】:Theelectricalconductivityofconcreteisprimarilyinfluencedbythepresenceofmoisture.Otherfactors,whichaffecttheelectricalcontinuityofconcretestructures,includethefollowing:Presenceofmetalrebars,Cementcontentandtype,Aggregatetypes,Admixtures,Porositywithintheconcrete,Aboveorbelowgradeelevation,Indoororoutdoorlocation,Temperatureandhumidity,andAgeofconcrete.Theelectricalconductivityofconcreteitselfmaybesuccessfullyusedforhigh-voltagecontinuitytestingofliningsapplieddirectlywithnospecificconductiveunderlaymentinstalled.However,thevoltagerequiredtofindadiscontinuitymayvarygreatlyfrompointtopointonthestructure.Thisvariancemayreducethetestreliability.Althoughthemostcommonconductiveunderlaymentsareliquidprimersappliedbytrowel,roller,orspray,andwhichcontaincarbonorgraphitefillers,othersmaytaketheformofthefollowing:Sheet-appliedgraphiteveils,Conductivepolymers,Conductivegraphitefibers,Conductivemetallicfibers,andConductivemetallicscreening.Liquid-appliedconductiveunderlaymentsmaybedesirableastheycanservetoaddressimperfectionsintheconcretesurfaceandprovideabetterbaseforwhichtoapplythelining.Thispracticeisintendedforuseonlywithnewliningsappliedtoconcretesubstrates.Inspectingaliningpreviouslyexposedtoanimmersionconditioncouldresultindamagingtheliningorproduceanerroneousdetectionofdiscontinuitiesduetopermeationormoistureabsorptionofthelining.Depositsmayalsobepresentonthesurfacecausingtelegraphing.Theuseofahighvoltagetesteronapreviouslyexposedliningisnotrecommendedbecauseofpossiblesparkthroughwhichwilldamageanotherwisesoundlining.Alowvoltagetestercanbeusedbutcouldproduceerroneousreadings.Theusermayconsiderthispracticewhenperformancerequirementsofthelininginaspecifiedchemicalenvironmentrequireassuranceofaliningfreeofdiscontinuities.Factorsaffectingthedielectricpropertiesandtestvoltageshallbeconsidered.Somefactorsarethecuringtimeofliquid-appliedlinings;thepossiblepresenceofelectricallyconductivefillersorsolvents,orboth;thepossiblepresenceofairinclusionsorvoids;andthecompatibilityofconductiveunderlaymentswiththespecifiedlining.Apulseddchighvoltagemaycausealiningtobreakdownatalowervoltagethanwouldbethecaseforacontinuousdcvoltage.1.1Thispracticecoversproceduresthatmaybeusedtoallowthedetectionofdiscontinuitiesinnonconductiveliningsorothernon-conductivecoatingsappliedtoconcretesubstrates.1.2Discontinuitiesmayincludepinholes,internalvoids,holidays,cracks,andconductiveinclusions.1.3Thispracticedescribesdetectionofdiscontinuitiesutilizingahighvoltagesparktesterusingeitherpulsedorcontinuousdcvoltage.Note18212;ForfurtherinformationondiscontinuitytestingrefertoNACEStandardRP0188-88orPracticeD5162.1.4Thispracticedescribesproceduresbothwithandwithouttheuseofaconductiveunderlayment.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsi......
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:4P.;A4
【正文语种】:英语
