NF L70-520-1971 二相伺服电动机
作者:标准资料网 时间:2024-05-29 07:55:42 浏览:8937
来源:标准资料网
【英文标准名称】:Twophaseservomotors.
【原文标准名称】:二相伺服电动机
【标准号】:NFL70-520-1971
【标准状态】:现行
【国别】:法国
【发布日期】:1971-12-01
【实施或试行日期】:1971-11-29
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:作标记;航空运输;规范;尺寸;电连接;尺寸公差;茎;色码;飞行器设备;两相电动机;飞行器部件;颜色标志;轴端;固定
【英文主题词】:
【摘要】:
【中国标准分类号】:V40
【国际标准分类号】:49_090;29_160_30
【页数】:3P;A4
【正文语种】:其他
【英文标准名称】:StandardGuideforUseofWaterTriplePointCells
【原文标准名称】:水三相点瓶使用标准指南
【标准号】:ASTME1750-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:E20.07
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:calibration;definingfixedpoint;fixedpoint;hydrostaticheadpressure;InternationalTemperatureScaleof1990(ITS-90);intrinsicproperty;KelvinThermodynamicTemperatureScale(KTTS);qualification;self-heating;standardplatinumresistancethermometer(SPRT);triplepoint;triplepointofwater;watertriplepointcell
【摘要】:Thisguidedescribesaprocedureforplacingawatertriple-pointcellinserviceandforusingitasareferencetemperatureinthermometercalibration.Thereferencetemperatureattainedisthatofafundamentalstateofpurewater,theequilibriumbetweencoexistingsolid,liquid,andvaporphases.Thecellissubjecttoqualificationbutnottocalibration.Thecellmaybequalifiedascapableofrepresentingthefundamentalstate(see4.2)bycomparisonwithabankofsimilarqualifiedcellsofknownhistory,anditmaybesoqualifiedandthequalificationdocumentedbyitsmanufacturer.Thetemperaturetobeattributedtoaqualifiedwatertriple-pointcellisexactly273.16KontheITS-90.Continuedaccuracyofaqualifiedcelldependsuponsustainedphysicalintegrity.ThismaybeverifiedbytechniquesdescribedinSection6.Thecommerciallyavailabletriplepointofwatercellsdescribedinthisstandardarecapableofachievinganexpandeduncertainty(k=2)ofbetweenx00B1;0.1mKandx00B1;0.05mK,dependinguponthemethodofpreparation.Specifiedmeasurementproceduresshallbefollowedtoachievetheselevelsofuncertainty.1.1Thisguidecoversthenatureoftwocommercialwatertriple-pointcells(typesAandB,seeFig.1)andprovidesamethodforpreparingthecelltorealizethewatertriple-pointandcalibratethermometers.Testsforassuringtheintegrityofaqualifiedcellandofcellsyettobequalifiedaregiven.Precautionsforhandlingthecelltoavoidbreakagearealsodescribed.1.2Theeffectofhydrostaticpressureonthetemperatureofawatertriple-pointcellisdiscussed.1.3ProceduresforadjustingtheobservedSPRTresistancereadingsfortheeffectsofself-heatingandhydrostaticpressurearedescribedinAppendixX1andAppendixX2.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N04
【国际标准分类号】:17_200_20(TEMPERATURE-MEASURINGINSTRUMENTS)
【页数】:6P.;A4
【正文语种】:
【英文标准名称】:Aluminiumandaluminiumalloys-Anodizing-Part11:Measurementofspecularreflectanceandspecularglossofanodicoxidationcoatingsatanglesof20°,45°,60°or85°;GermanversionEN12373-11:2000
【原文标准名称】:铝及铝合金.阳极化处理.第11部分:20、45、60或85度角阳极氧化层的镜面反射系数和镜面光泽度测量
【标准号】:EN12373-11-2000
【标准状态】:现行
【国别】:
【发布日期】:2000-12
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:铝;阳极;非金属覆层;金属覆层;光泽度(表面);无机物的;折射指数;合金;入射角;试验;镜面反射;覆层;测量;测量技术;材料试验;测量仪器;反射系数的测量;光的入射;氧化物覆层;阳极氧化;反射比因数;氧化;亮度;定义;反射镜覆层;铝合金;阳极镀层;检验;试验设备
【英文主题词】:Alloys;Aluminium;Aluminiumalloys;Anodic;Anodiccoating;Anodicoxidation;Coatings;Definition;Definitions;Degreeofbrightness;Gloss(ofsurface);Incidenceangles;Incidenceoflight;Inorganic;Inspection;Materialstesting;Measurement;Measuringinstruments;Measuringtechniques;Metalcoatings;Mirrorcoatings;Non-metalliccoatings;Oxidation;Oxidecoatings;Reflectancefactor;Reflectancemeasurement;Refractiveindex;Specularreflection;Testequipment;Testing
【摘要】:
【中国标准分类号】:H61
【国际标准分类号】:25_220_20;77_120_10
【页数】:15P.;A4
【正文语种】:英语
