【英文标准名称】:StandardTestMethodforColorimetryofTeethUsingDigitalStillCameraTechnology
【原文标准名称】:利用数字静态摄影机实现牙齿比色法的标准试验方法
【标准号】:ASTME2466-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:E12.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:比色法;数码相机;静态摄影机;工艺学;齿;试验
【英文主题词】:colorimetry;DSC;digitalcamera;digital;teeth;whiteness;whitening
【摘要】:1.1Thistestmethodcoverstheprocedure,instrumentalrequirements,standardizationprocedures,materialstandards,measurementprocedures,andparametersnecessarytomakeprecisemeasurementsofin-vivotoothcolorandtoothwhiteness.Inparticularitismeanttomeasurethecolorofteethinselectedhumansubjects.1.2Digitalimagesareusedtoevaluatetoothcolorofbothposteriorandanteriordentition(teeth).Allothernon-relevantparts,suchasgums,spaces,etc.,mustbeseparatedfromthemeasurementandtheanalysis.Alllocalizeddiscoloration;suchasstains,inclusions,etc.,maybeseparatedfromthemeasurementandtheanalysis.1.3Thebroadbandreflectancefactorsofteetharemeasured.Thecolorimetricmeasurementisperformedwithadigitalstillcamerawhileusinganilluminator(s)thatprovidescontrolledilluminationontheteeth.ThemeasureddatafromadigitalimagearecapturedusingaDSC.Thistestmethodisparticularlyusefulforthegamutoftoothcolorwhichis:1.3.1CIEL*from55to95,1.3.2CIEa*from3to12,1.3.3CIEb*from8to25units.1.4Thewavelengthsforthistestmethodincludethatportionofthevisiblespectrumfrom400to700nm.1.5Dataacquiredusingthistestmethodisforcomparativepurposesusedduringclinicaltrialsorothertypesofresearch.1.6Thistestmethodisdesignedtoencompassnaturalteeth,artificialteeth,restorations,andshadeguides.Note1Thisproceduremaynotbeapplicableforalltypesofdentalwork.1.7Theapparatus,measurementprocedure,dataanalysistechniquearegeneric,sothataspecificapparatus,measurementprocedure,ordataanalysistechniquemaynotbeexcluded.1.8ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C33
【国际标准分类号】:11_060_01
【页数】:13P.;A4
【正文语种】:


【英文标准名称】:Industrialvalves-Castironglobevalves.
【原文标准名称】:工业用阀.铸铁球形阀
【标准号】:NFE29-354-2010
【标准状态】:现行
【国别】:法国
【发布日期】:2010-08-01
【实施或试行日期】:2010-08-07
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:制动器;螺栓连接(法兰);铸铁;连接件;制造日期;名称与符号;尺寸规格;外壳;法兰式阀;法兰;功能;手轮;工业配件;作标记;材料;航运;规范(验收);储存;试验;螺纹端部;螺纹连接;螺纹;上盘;阀门
【英文主题词】:Actuators;Bolting;Cast-iron;Connections;Dataofthemanufacturer;Designations;Dimensions;Enclosures;Flangedvalves;Flanges;Functions;Handwheels;Industrialfittings;Marking;Materials;Shipping;Specification(approval);Storage;Testing;Threadends;Thread-connections;Threads;Upperside;Valves
【摘要】:
【中国标准分类号】:J16
【国际标准分类号】:23_060_10
【页数】:15P;A4
【正文语种】:其他