【英文标准名称】:Superconductivity-Part14:Superconductingpowerdevices-Generalrequirementsforcharacteristictestsofcurrentleadsdesignedforpoweringsuperconductingdevices(IEC61788-14:2010);GermanversionEN61788-14:2010
【原文标准名称】:超导性.第14部分:超导电力装置.电力超导装置用电流引线设计性能试验的一般要求(IEC61788-14-2010);德文版本EN61788-14-2010
【标准号】:DINEN61788-14-2011
【标准状态】:现行
【国别】:德国
【发布日期】:2011-03
【实施或试行日期】:2011-03-01
【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】:
【英文主题词】:Currentleads;Currentmeasurement;Definitions;Electricalengineering;Electricalproperties;Measuredvalue;Measurement;Measuringtechniques;Mechanicalproperties;Properties;Superconductivity;Superconductors;Testing;Thermalproperties
【摘要】:
【中国标准分类号】:
【国际标准分类号】:29_050
【页数】:34P;A4
【正文语种】:德语


【英文标准名称】:StandardPracticeforCalculatingYellownessandWhitenessIndicesfromInstrumentallyMeasuredColorCoordinates
【原文标准名称】:根据仪器测定的颜色坐标计算黄色和白色指标的标准实施规程
【标准号】:ASTME313-2010
【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】:E12.04
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:color;colorimetricanalysis;color/light;instrumentalmeasurement;reflectance;reflectivity;whitenessindexes;yellownessindexes;Ceramicmaterials/applications;Color;Color--opaquematerials;Colorimetricanalysis;Instrumentalmeasurement--color/l
【摘要】:Thispracticeshouldbeusedonlytocomparespecimensofthesamematerialandsamegeneralappearance.Forexample,aseriesofspecimenstobecomparedshouldhavegenerallysimilargloss,texture,and(ifnotopaque)thickness,andtranslucency.Foryellownessmeasurement,thispracticeislimitedtospecimenshavingdominantwavelengthintherange570to580nm,orMunsellhueapproximately2.5GYto2.5Y.Forwhitenessmeasurement,thispracticeislimitedtospecimenshavingMunsellvaluegreaterthan8.3(CIEYgreaterthan65)andMunsellchromanogreaterthan0.5forBhues,0.8forYhues,and0.3forallotherhues(see3.3.1).Thecombinationofmeasurementandcalculationleadingtoindicesofyellownessorwhitenessisapsychophysicalprocess,thatis,theproceduresspecifiedaredesignedtoprovidenumberscorrelatingwithvisualestimatesmadeunderspecifiedtypicalobservingconditions.Becausevisualobservingconditionscanvarywidely,usersshouldcomparecalculatedindiceswithvisualestimatestoensureapplicability.SomestandardsaddressingthevisualestimationofcolorandcolordifferencearePracticesD1535,D1729,E1360,andE1541,andGuideE1499.Thispracticedoesnotcoverthepreparationofspecimens,aprocedurethatmayaffectsignificantlythequantitiesmeasured.Ingeneral,specimensshouldbepreparedandpresentedformeasurementinthemannerthatisstandardforthetestbeingperformed.Selectenoughspecimensorspecimenareastoprovideanaverageresultthatisrepresentativeofeachsampletobetested.SeePracticeE1345.1.1Thispracticeprovidesnumbersthatcorrelatewithvisualratingsofyellownessorwhitenessofwhiteandnear-whiteorcolorlessobject-colorspecimens,viewedindaylightbyanobserverwithnormalcolorvision.Whitetextiles,paints,andplasticsareafewofthematerialsthatcanbedescribedbytheindicesofyellownessorwhitenesscalculatedbythispractice.1.2Foracompleteanalysisofobjectcolors,byaspecifiedobserverandunderaspecifiedilluminant,useofthreeparametersisrequired.Fornear-whitespecimens,however,itisoftenusefultocalculatesingle-numberscalesofyellownessorwhiteness.Thispracticeprovidesrecommendedequationsforsuchscalesanddiscussestheirderivationsanduses,andlimitstotheirapplicability(seealsoRef(1)).1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A26
【国际标准分类号】:17_180_20
【页数】:6P.;A4
【正文语种】:英语