GB 8511.3-1987 振动压路机技术条件 手扶振动压路机
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来源:标准资料网
基本信息
标准名称: | 振动压路机技术条件 手扶振动压路机 |
中标分类: |
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替代情况: | 被GB/T 8511.3-1995代替 |
发布日期: | 1900-01-01 |
实施日期: | 1988-07-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
出版日期: | 1900-01-01 |
页数: | 7页 |
适用范围
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前言
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引用标准
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所属分类:
【英文标准名称】:StandardPracticeforCalculatingYellownessandWhitenessIndicesfromInstrumentallyMeasuredColorCoordinates
【原文标准名称】:计算仪器测量颜色坐标的白色和黄色指数的标准实施规程
【标准号】:ASTME313-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:色度量度;索引;材料;不透明颜料;光学;记录;试验
【英文主题词】:color;colorimetricanalysis;instrumentalmeasurement,color/light;reflectance;reflectivity;whitenessindexes;yellownessindexes
【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()).1.3&solely-SI-units;Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,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】:
【英文标准名称】:Sectionalspecification:Piezoelectricfilters(Capabilityapproval);GermanversionEN167100:1995
【原文标准名称】:分规范.压电滤波器(合格认可)
【标准号】:DINEN167100-1996
【标准状态】:作废
【国别】:德国
【发布日期】:1996-04
【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】:电子工程;分规范;压电滤波器;电子设备及元件;特性;能力鉴定;压电器件;试验;测量技术;质量
【英文主题词】:sectionalspecification;measuringtechniques;piezoelectricfilters;electronicengineering;electronicequipmentandcomponents;testing;properties;piezoelectricdevices;capabilityapproval;quality
【摘要】:
【中国标准分类号】:L18
【国际标准分类号】:31_140;31_160
【页数】:36P;A4
【正文语种】:德语