ASTM C756-1987(2011)e1 表面磨光清洁度标准试验方法

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【英文标准名称】:StandardTestMethodforCleanabilityofSurfaceFinishes
【原文标准名称】:表面磨光清洁度标准试验方法
【标准号】:ASTMC756-1987(2011)e1
【标准状态】:现行
【国别】:
【发布日期】:1987
【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】:B08.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:可清除干净特性
【英文主题词】:Cleanability
【摘要】:Thistestmethodwasdevelopedtoguidetheuserinselectingafinishcoatingormaterialthatisresistanttosoilinginaparticularapplication.Thenumericalvaluesderivedbythistestmethodenablestheusertorankfinishcoatingsandmaterialsinregardtosoilretentionoreaseofsoilremoval.1.1Thistestmethodcoversthenumericalevaluationoftheeaseordifficultyofcleaningsoiledsurfacefinishes.Thistestmethodisapplicabletoallsurfacefinishesnotaffectedbywater.1.2ValuesgiveninSIunitsaretoberegardedasthestandard.Inch-poundunitsareprovidedforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:25_220_20
【页数】:8P.;A4
【正文语种】:

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上一篇: ASTM A597-1987(2010) 铸造工具钢的标准规格
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【英文标准名称】:StandardPracticeforCalibrationofTypeSPitotTubes
【原文标准名称】:S型皮托管(空速管)校正的标准实施规程
【标准号】:ASTMD3796-1990(2004)
【标准状态】:现行
【国别】:
【发布日期】:1990
【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】:D22.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:工艺;校正;保健;分析;空气;皮托管;试验设备;职业安全
【英文主题词】:calibration;pitottube;TypeSpitottube
【摘要】:TheTypeSpitottube(Fig.1)isoftenusedtomeasurethevelocityofflowinggasstreamsinindustrialsmokestacksandducts.BeforeaTypeSpitottubeisusedforthispurpose,itscoefficientsmustbedeterminedbycalibrationagainstastandardpitottube(2).1.1ThispracticecoversthedeterminationofTypeSpitottubecoefficientsinthegasvelocityrangefrom305to1524m/minor5.08to25.4m/s[1000to5000ft/min].ThemethodappliesbothtothecalibrationofisolatedTypeSpitottubes(see),andpitobeassemblies.1.2ThispracticeoutlinesproceduresforobtainingTypeSpitottubecoefficientsbycalibrationatasingle-velocitysettingnearthemidpointofthenormalworkingrange.TypeSpitotcoefficientsobtainedbythismethodwillgenerallybevalidtowithin3%overthenormalworkingrange.IfamoreprecisecorrelationbetweenTypeSpitottubecoefficientandvelocityisdesired,multivelocitycalibrationtechnique()shouldbeused.1.3Thispracticemaybeusedforthecalibrationofthermalanemometersforgasvelocitiesinexcessof3m/s[10ft/s].Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N04
【国际标准分类号】:17_020
【页数】:13P.;A4
【正文语种】:

Product Code:SAE ARP4102/9
Title:Flight Management System (FMS)
Issuing Committee:S-7 Flight Deck Handling Qualities Stds For Trans Aircraft
Scope:This document recommends criteria and requirements for a Flight Management System (FMS) for transport aircraft.The FMS shall provide the functions of Lateral Navigation, Vertical Navigation, and Performance Management and may include Time of Arrival Control. The FMS design shall take Human Factors considerations into account to produce a fault tolerant system.