SAE ARP987 The Control of Excess Humidity in Avionics Cooling
时间:2024-05-02 11:31:29 来源: 标准资料网 作者：标准资料网 阅读：8797
Product Code:SAE ARP987
Title:The Control of Excess Humidity in Avionics Cooling
Issuing Committee:Ac-9 Aircraft Environmental Systems Committee
Scope:This Aerospace Recommended Practice (ARP) outlines the causes and impacts of moisture and/or condensation in avionics equipment and provides recommendations for corrective and preventative action.
【英文标准名称】:Indoorair-Part4:determinationofformaldehyde-Diffusivesamplingmethod.
【原文标准名称】:室内空气.第4部分:甲醛的测定.分散取样法
【标准号】:NFX43-404-4-2012
【标准状态】:现行
【国别】:法国
【发布日期】:2012-02-01
【实施或试行日期】:2012-02-11
【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】:
【英文主题词】:Air;Airpollution;Airpollutioncontrol;Airpollutionmeasurement;Airpurification;Airquality;Analysis;Atmosphericpollutants;Calibration;Carbonylcompounds;Chemicalanalysisandtesting;Concentration;Desorption;Determination;Determinationofcontent;Determinationprocedures;Diffusivesamplers;Dinitrophenylhydracinemethod;Emission;Formaldehyde;Gaschromatography;Highperformanceliquidchromatography;HPLC;Indoorclimate;Indoors;Inneratmosphere;Liquidchromatography;Mathematicalcalculations;Measurement;Measuringsites;Measuringtechniques;Metrology;Organiccompounds;Passivecollectors;Pollutantconcentration;Pollutionoftheair;Pollutionprotection;Qualitycontrol;Sampling;Samplingmethods;Specification(approval);Testchamber;Volatilematterdetermination;Volatileorganiccompoundcontent;Volatileorganiccompounds
【摘要】:
【中国标准分类号】:C51;Z15
【国际标准分类号】:13_040_20
【页数】:20P;A4
【正文语种】:其他
【英文标准名称】:TestMethodforDeterminationoftheThermalConductivityofAnodeCarbonsbytheGuardedHeatFlowMeterTechnique
【原文标准名称】:采用保护热流计技术测定阳极碳热导率的方法
【标准号】:ANSI/ASTMD6744-2005
【标准状态】:作废
【国别】:美国
【发布日期】:2005
【实施或试行日期】:2005-11-29
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:阳极;碳;煤;测定;流量计;热流;材料试验;金属产品和工业;冶金;计;试验;导热性
【英文主题词】:Anodes;Carbon;Coal;Determination;Flowmeters;Heatflow;Materialstesting;Metalproducingandworkingindustries;Metallurgy;Testing;Thermalconductivity
【摘要】:Thistestmethodcoversasteady-statetechniqueforthedeterminationofthethermalconductivityofcarbonmaterialsinthicknessesoflessthan25mm.Thetestmethodisusefulforhomogeneousmaterialshavingathermalconductivityintheapproximaterange130W/(mK),(thermalresistanceintherangefrom10to40010mK/W)overtheapproximatetemperaturerangefrom150to600K.Itcanbeusedoutsidetheserangeswithreducedaccuracyforthickerspecimensandforthermalconductivityvaluesupto60W/(mK).Note1-Itisnotrecommendedtotestgraphitecathodematerialsusingthistestmethod.Graphitesusuallyhaveaverylowthermalresistance,andtheinterfacesbetweenthesampletobetestedandtheinstrumentbecomemoresignificantthanthesampleitself.ThistestmethodissimilarinconcepttoTestMethodsE1530andC518.Significantattentionhasbeenpaidtoensurethatthethermalresistanceofcontactingsurfacesisminimizedandreproducible.ThevaluesstatedinSIunitsareregardedasstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:K04
【国际标准分类号】:77_020
【页数】:
【正文语种】:英语