DIN EN 60598-2-5 Berichtigung 1-1999 DINEN60596-2-5技术勘误(VDE0711第2-5部分).EN60598-2-5:1998CENELEC技术勘误
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【英文标准名称】:CorrigendumtoDINEN60598-2-5(VDE0711Part2-5):1998-11;CENELEC-CorrigendumtoEN60598-2-5:1998
【原文标准名称】:DINEN60596-2-5技术勘误(VDE0711第2-5部分).EN60598-2-5:1998CENELEC技术勘误
【标准号】:DINEN60598-2-5Berichtigung1-1999
【标准状态】:现行
【国别】:德国
【发布日期】:1999-08
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:分类;照明系统;管式荧光灯;灯具;检验;试验要求;照明工程;持久性;接地导线;电气工程;聚光器(灯);泛光照明;电缆;荧光灯;作标记;作标记;定义;试验;规范(验收);连接;白炽灯;设计
【英文主题词】:
【摘要】:
【中国标准分类号】:K72
【国际标准分类号】:29_140_40
【页数】:1P;A4
【正文语种】:德语
【英文标准名称】:Electricalwaterheaters;ratedcapacityupto1000litres;requirementsforlow-noiceleveldesign
【原文标准名称】:电热水器.额定容量为1000升以内.低噪声水平设计的要求
【标准号】:DIN44899-6-1986
【标准状态】:现行
【国别】:德国
【发布日期】:1986-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:元部件;电气器具;电子工程;声强;噪声;水蓄热器;设计;水加热器;隔音;瞬时水加热器;尺寸;噪声控制
【英文主题词】:noise(environmental);electricappliances;components;storagewaterheaters;soundinsulation;waterheaters;design;electronicengineering;instantaneouswaterheaters;soundintensity;dimensions;noisecon
【摘要】:Thisstandardspecifiesconditionsforthelow-noisedesignofwater-carryingcomponentsofelectricwaterheaterswitharatedcapacityupto1000litres.;Itappliestobothopenandclosethermalstoragewaterheatersthermallycontrolledinstantaneousheaters,non-thermalstoragewaterheatersandventedopen-outletboilers.#,,#
【中国标准分类号】:Y63
【国际标准分类号】:91_140_60
【页数】:2P;A4
【正文语种】:德语
【英文标准名称】:StandardPracticeforDigitalDetectorArrayPerformanceEvaluationandLong-TermStability
【原文标准名称】:数字探测器阵列性能评估和长期稳定性标准实施规程
【标准号】:ASTME2737-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:E07.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:badpixels;contrastsensitivity;DDA;five-groovewedge;imagelag;materialthicknessrange;SNR;spatialresolution
【摘要】:ThispracticeisintendedtobeusedbytheNDTusingorganizationtomeasurethebaselineperformanceoftheDDAandtomonitoritsperformancethroughoutitsserviceasanNDTimagingsystem.ItistobeunderstoodthattheDDAhasalreadybeenselectedandpurchasedbytheuserfromamanufacturerbasedontheinspectionneedsathand.Thispracticeisnotintendedtobeusedasanx201C;acceptancetestx201D;oftheDDA,butrathertoestablishaperformancebaselinethatwillenableperiodicperformancetrackingwhilein-service.AlthoughmanyofthepropertieslistedinthisstandardhavesimilarmetricstothosefoundinPracticeE2597,datacollectionmethodsarenotidentical,andcomparisonsamongvaluesacquiredwitheachstandardshouldnotbemade.Thispracticedefinestheteststobeperformedandrequiredintervals.AlsodefinedarethemethodsoftabulatingresultsthatDDAuserswillcompletefollowinginitialbaseliningoftheDDAsystem.ThesetestswillalsobeperformedperiodicallyatthestatedrequiredintervalstoevaluatetheDDAsystemtodetermineifthesystemremainswithinacceptableoperationallimitsasestablishedinthispracticeordefinedbetweenuserandcustomer(CEO).ThereareseveralfactorsthataffectthequalityofaDDAimageincludingthespatialresolution,geometricalunsharpness,scatter,signaltonoiseratio,contrastsensitivity(contrast/noiseratio),imagelag,andburnin.Thereareseveraladditionalfactorsandsettings(forexample,integrationtime,detectorparametersorimagingsoftware),whichaffecttheseresults.Additionally,calibrationtechniquesmayalsohaveanimpactonthequalityoftheimage.ThispracticedelineatestestsforeachofthepropertieslistedhereinandestablishesstandardtechniquesforassuringrepeatabilitythroughoutthelifecycletestingoftheDDA.1.1ThispracticedescribestheevaluationofDDAsystemsforindustrialradiology.Itisintendedtoensurethattheevaluationofimagequality,asfarasthisisinfluencedbytheDDAsystem,meetstheneedsofusers,andtheircustomers,andenablesprocesscontrolandlongtermstabilityoftheDDAsystem.1.2ThispracticespecifiesthefundamentalparametersofDigitalDetectorArray(DDA)systemstobemeasuredtodeterminebaselineperformance,andtotrackthelongtermstabilityoftheDDAsystem.1.3TheDDAsystemperformancetestsspecifiedinthispracticeshallbecompleteduponacceptanceofthesystemfromthemanufacturerandatintervalsspecifiedinthispracticetomonitorlongtermstabilityofthesystem.Theintentofthesetestsistomonitorthesystemperformancefordegradationandtoidentifywhenanactionneedstobetakenwhenthesystemdegradesbyacertainlevel.1.4Theuseofthegagesprovidedinthisstandardismandatoryforeachtest.Intheeventthesetestsorgagesarenotsufficient,theuser,incoordinationwiththecognizantengineeringorganization(CEO)maydevelopadditionalormodifiedtests,testobjects,gages,orimagequalityindicatorstoevaluatetheDDAsystem.AcceptancelevelsfortheseALTERNATEtestsshallbedeterminedbyagreementbetweentheuser,CEOandmanufacturer.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N46
【国际标准分类号】:11_040_50
【页数】:19P.;A4
【正文语种】:英语