DIN EN 13245-3-2010 塑料.建筑物用未增塑聚氯乙烯(PVC-U)型材.第3部分:PVC-UE型材的命名.德文版本EN13245-3-2010
时间:2024-05-12 06:31:41 来源: 标准资料网 作者：标准资料网 阅读：9906
【英文标准名称】:Plastics-Unplasticizedpoly(vinylchloride)(PVC-U)profilesforbuildingapplications-Part3:DesignationofPVC-UEprofiles;GermanversionEN13245-3:2010
【原文标准名称】:塑料.建筑物用未增塑聚氯乙烯(PVC-U)型材.第3部分:PVC-UE型材的命名.德文版本EN13245-3-2010
【标准号】:DINEN13245-3-2010
【标准状态】:现行
【国别】:德国
【发布日期】:2010-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:老化;应用;顶棚衬垫;合格证明书;认证(认可);着色的;一致性;建筑;定义;命名体制;外部;保健;抗冲击(强度);冲击强度;内部;作标记;性能要求;塑料;聚氯乙烯;生产控制;轮廓;特性;PVC;未增塑聚氯乙烯(PVC-U);合格试验;安全性;安全性要求;规范;规范(验收);试验;未增塑聚氯乙烯;使用;墙面饰层
【英文主题词】:Ageing(materials);Applications;Ceilinglinings;Certificatesofconformity;Certification(approval);Coloured;Conformity;Construction;Definitions;Designationsystems;External;Healthprotection;Impactresistance;Impactstrength;Internal;Marking;Performancerequirements;Plastics;Polyvinylchloride;Productioncontrol;Profile;Properties;PVC;PVC-U;Qualificationtests;Safety;Safetyrequirements;Specification;Specification(approval);Testing;Unplasticizedpolyvinylchloride;Use;Wallcoverings
【摘要】:
【中国标准分类号】:Q22
【国际标准分类号】:83_140_99
【页数】:28P;A4
【正文语种】:德语
【英文标准名称】:MedicaldiagnosticX-rayequipment-Radiationconditionsforuseinthedeterminationofcharacetristics
【原文标准名称】:医用诊断X射线设备.测定特性时使用的辐射条件
【标准号】:IEC61267-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-11
【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/SC62C
【标准类型】:()
【标准水平】:()
【中文主题词】:特性;定义;测定;诊断;诊断设备;电气工程;电医学;医疗设备;医疗放射照相术;医学科学;医疗技术学;照射疗法;辐射;辐射防护;辐射学;X射线仪;X射线设备;X射线装置;X射线
【英文主题词】:Characteristics;Definitions;Determination;Diagnosis;Diagnosticequipment;Electricalengineering;Electromedicine;Irradiationcondition;Medicalequipment;Medicalradiography;Medicalsciences;Medicaltechnology;Phototherapy;Radiation;Radiationprotection;Radiology;X-rayapparatus;X-rayequipment;X-rayplants;X-rays
【摘要】:ThisInternationalStandardappliestotestprocedureswhich,forthedeterminationofcharacteristicsofsystemsorcomponentsofmedicaldiagnosticX-RAYEQUIPMENT,requirewell-definedRADIATIONCONDITIONS.Exceptformammography,thisstandarddoesnotapplytoconditionswherediscontinuitiesinradiationabsorptionofelementsaredeliberatelyusedtomodifypropertiesoftheRADIATIONBEAM(forexamplebyrareearthfilters).ThemostcompletespecificationofRADIATIONFIELDSisgivenbythespectraldistributionofthephotonfluence.SincethemeasurementofX-RAYSPECTRAisademandingtask,thisstandardexpressesRADIATIONQUALITIESintermsoftheX-RAYTUBEVOLTAGE,thefirstandsecondHALFVALUELAYER.InthecaseofRADIATIONCONDITIONS,specificationsareperformedadditionallyintermsofPHANTOMpropertiesandgeometry.TheattempttocharacterizeaspectraldistributionjustbymeansoftheX-RAYTUBEVOLTAGE,thefirstandpossiblythesecondHALF-VALUELAYERisthusacompromisebetweenthemutuallyconflictingrequirementsofavoidingexcessiveeffortsforestablishingaRADIATIONQUALITYandofthecompleteabsenceofanyambiguityinthedefinitionofaRADIATIONQUALITY.DuetodifferencesinthedesignandtheageofX-RAYTUBESintermsofanodeangle,anoderougheningandINHERENTFILTRATION,twoRADIATIONQUALITIESproducedatagivenXRAYTUBEVOLTAGEhavingthesamefirstHALF-VALUELAYERcanstillhavequitedifferentspectraldistributions.GiventheinherentambiguityinthecharacterizationofRADIATIONQUALITY,itisessentialthatfurthertolerancesintroducedbyallowingcertainrangesofvalues,e.g.forX-RAYTUBEVOLTAGEandfirstHALF-VALUELAYER,mustbesufficientlysmallnottojeopardisetheunderlyingobjectiveofthisstandard.ThisstandardistoensurethatmeasurementsofthepropertiesofmedicaldiagnosticequipmentshouldproduceconsistentresultsifRADIATIONQUALITIESorRADIATIONCONDITIONSincompliancewiththisstandardareused.Toachievethisobjective,certaindegreesoffreedominthewayinwhichaRADIATIONCONDITIONcouldbeestablishedintheframeworkofthefirsteditionofthisstandardhavebeenremoved.TheessentialrestrictionintroducedinthissecondeditionisthattheX-RAYTUBEVOLTAGEismeasuredandsettoits'correct'value.ThesecondstepistoattempttoestablishtheprescribedfirstHALF-VALUELAYERbyaddingintothebeamthenecessaryamountofADDITIONALFILTRATION.IftheINHERENTFILTRATIONprovidedbytheX-RAYTUBEaloneissostrongthattheHALF-VALUELAYERoftheRADIATIONBEAMemergingfromtheX-RAYTUBEASSEMBLYassuchislargerthanthattobeestablished,theX-RAYTUBEASSEMBLYusedisnotsuitedforproducingthedesiredRADIATIONCONDITION.ThismayoccuriftheanodeangleoftheX-RAYTUBEASSEMBLYistoosmalland/orinthecaseofexcessiveanoderougheningduetotubeageing.IntheapproachoutlinedinthetwoprecedingparagraphstheX-RAYTUBEVOLTAGEplaysadecisiverole.Itisthereforeessentialthatthe‘correct’X-raytubevoltageischosenirrespectiveofthetypeofhighvoltagegeneratorconnectedtotheX-RAYTUBE.ThewayinwhichthisisrealizedinthisstandardisbymeasuringtheX-RAYTUBEVOLTAGEintermsofthePRACTICALPEAKVOLTAGE.ThisquantityisaweightedmeanofallvaluesoftheX-RAYTUBEVOLTAGEoccurringduringanexposure.TheweightingisdoneinsuchawaythatidenticalvaluesofthePRACTICALPEAKVOLTAGEgiveidenticalvaluesofthelowlevelcontrastonaradiographirrespectiveofthewaveformsuppliedbythegenerator.
【中国标准分类号】:C43
【国际标准分类号】:11_040_50
【页数】:94P.;A4
【正文语种】:英语
【英文标准名称】:Polyvinylchlorideinsulatedcablesofratedvoltagesuptoandincluding450/750V--Part2:Testmethods
【原文标准名称】:额定电压450/750V及以下的聚氯乙烯绝缘电缆.第2部分:试验方法
【标准号】:JISC3662-2-1998
【标准状态】:作废
【国别】:日本
【发布日期】:1998-03-20
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:TechnicalCommitteeonElectricityTechnology
【标准类型】:()
【标准水平】:()
【中文主题词】:聚氯乙烯;绝缘电缆;电缆;试验
【英文主题词】:polyvinylchloride;testing
【摘要】:
【中国标准分类号】:K13
【国际标准分类号】:29_060_20
【页数】:10P;A4
【正文语种】:日语