ISO 3040-1990 技术制图锥体尺寸和公差注法
时间:2024-04-28 00:24:08 来源: 标准资料网 作者：标准资料网 阅读：8606
【英文标准名称】:Technicaldrawings;dimensioningandtolerancing;cones
【原文标准名称】:技术制图锥体尺寸和公差注法
【标准号】:ISO3040-1990
【标准状态】:作废
【国别】:国际
【发布日期】:1990-12
【实施或试行日期】:1990-12-01
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC10
【标准类型】:()
【标准水平】:()
【中文主题词】:图纸;锥形筒子;尺寸公差;尺寸选定;工程图;制图尺寸;尺寸
【英文主题词】:Cones;Cones(textilemachinery);Conicalform;Definitions;Dimensionaltolerances;Dimensioning;Dimensions;Dimensionsondrawing;Drawingsystem;Drawings;Engineeringdrawings;Entries;Graphicsymbols;Properties;Symbolicrepresentations;Symbols;Tolerances(measurement)
【摘要】:Establishesthedefinitionofconesandspecifiesthegraphicalsymboltobeusedfortheirindicationandmethodsfortheirdimensioningandtolerancing.Appliesonlytoright-anglecircularcones.Thissecondeditioncancelsandreplacesthefirstedition(1974).
【中国标准分类号】:J04
【国际标准分类号】:01_100_01
【页数】:6P.;A4
【正文语种】:英语
【英文标准名称】:Selfadhesivetapes-Measurementofbreakingstrengthandelongationatbreak
【原文标准名称】:自粘胶带.断裂强度和断裂伸长率的测量
【标准号】:BSEN14410-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-05-14
【实施或试行日期】:2003-05-14
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:抗断裂强度;断裂伸长;胶粘带;测量;包装;包装用具;粘接带;断裂荷载;定义;试验;试样;抗拉强度;测量技术
【英文主题词】:
【摘要】:ThisEuropeanStandardspecifiesmethodstomeasurethebreakingstrengthandelongationatbreakofaselfadhesivetapewhenitissubjectedtoatensileforcesufficienttocauseittobreak.Thebreakingstrengthofadhesivetapeisofvalueasanindicationofitsuniformityandquality,anditsabilitytowithstandstressesduringapplicationanduse.Theelongationatbreakoftheadhesivetapeisofvalueasanindicationofitsuniformityandqualityaswellasaroughindicationofitsabilitytoconformtocurvedandirregularsurfaces.Itisusuallydeterminedatthesametimeasthebreakingstrength.Thistestmethoddescribesaprocedurefortesting12mmor24mmwidesamplescutfromsuppliedrollsofselfadhesivetapes.Alternativelyrollsofselfadhesivetapeupto50mmwidemaybedirectlytestedintheiroriginalwidth.Inthesecircumstancesthepracticalbreakingstrengthandelongationwillbetypicalofthemanufacturer'scutedges.Whennewlycutsamplepiecesaretested,becauseofthebettercuttingoftheedges,theresultscanbehigherthanwouldbefoundoncommercialtape.
【中国标准分类号】:A82
【国际标准分类号】:83_180
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:Semiconductorconvertors-Generalrequirementsandlinecommutatedconvertors-Self-commutatedsemiconductorconvertersincludingdirectd.c.converters
【原文标准名称】:半导体变流器.一般要求和线路换向变流器.包括直流变换器的自换向变流器
【标准号】:BSEN60146-2-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-08-15
【实施或试行日期】:2000-08-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:交流电流;半导体器件;直流电流;电力变换器;半导体整流器
【英文主题词】:Alternatingcurrent;Asymmetrical;Capacitiveloads;Capacitors;Chokes(electric);Circuitproperties;Circuit-breakers;Components;Convertercircuits;Convertervalve;Definition;Definitions;Dimensioning;Directcurrent;Directvoltage;Direct-currentconverter;Direct-currentconvertors;Efficiency;Electricconvertors;Electricpowersystems;Electricalengineering;Electromagneticcompatibility;Electronicengineering;Electronicequipmentandcomponents;EMC;Functions;Inspection;Interferencerejections;Inverters;Linecommutation;Marking;Operatingconditions;Powerelectronicconvertors;Powerelectronics;Powerrestifiers;Powersemiconductors;Properties;Ratings;Rectifierdiodes;Rectifiers;Self-commutation;Semiconductordevices;Semiconductordiodes;Semiconductorengineering;Semiconductorpowerconvertors;Semiconductorrectifiers;Semiconductors;Specification(approval);Testing;Three-phasesystem;Thyristors;Transformers;Transistors;Valvedevices;Valves
【摘要】:ThispartofIEC60146appliestoalltypesofsemiconductorconvertersoftheself-commutatedtypeincludingpowerconverterswhichcontainatleastonepartofaself-commutatedtype,forexamplea.c.converters,indirectd.c.converters,directd.c.converters.TherequirementsofIEC60146-1-1applyalsotoself-commutatedconvertersasfarastheyarenotincontradictionwiththisstandard.Forsomespecialapplications,forexample,uninterruptiblepowersystems,variablespeeda.c.andd.c.drivesandelectrictractionequipment,additionalstandardsmayapply.NOTETestrestrictionsmayapplytospecialapplications,forexamplehigh-powerreactivepowerconverters.
【中国标准分类号】:L40
【国际标准分类号】:29_200
【页数】:50P.;A4
【正文语种】:英语