SAE ARP987 The Control of Excess Humidity in Avionics Cooling
作者:标准资料网 时间:2024-04-23 23:06:33 浏览:9971
来源:标准资料网
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】:StandardPracticeforInstallationofRigidPoly(VinylChloride)(PVC)FenceSystems
【原文标准名称】:刚性聚氯乙烯(PVC)栅栏系统安装的标准实施规程
【标准号】:ASTMF1999-2000(2006)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:F14.30
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:栅栏;装配;刚性聚氯乙烯
【英文主题词】:fence;installation;rigidpoly(vinylchloride)(PVC)
【摘要】:1.1Thispracticecoverstheminimumrequirementforandmethodsofinstallationforrigidpoly(vinylchloride)(PVC)fencingsystemsandfenceaccessoriesinareaswherethemaximumfrostpenetrationdoesnotexceed30in.[76cm].Inallcases,referalsotothespecificmanufacturer''sinstructionsforinstallation.1.2Thispracticeisintendedtoguidethoseresponsiblefororconcernedwithinstallationofrigid(PVC)fencesystems.1.3Thispracticedoesnotprecludeanytestmethodthatisproventogiveequalorbetterperformanceunderanyweather,soil,orfrostconditions.1.4End-useandapplicablecoderequirementsshallbeconsideredinthechoiceoffencestyle,spacing,height,andinstallationmethod.1.4.1Paddockfencingforlivestockmayneedtobemoredurablethanperimeterfence.1.4.2Residentialfencestylesmaynotbedesignedforbalconyorguardrailuse.1.5Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Thevaluesgiveninbracketsareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P33
【国际标准分类号】:91_090
【页数】:4P.;A4
【正文语种】:
【英文标准名称】:Involutesplinesbasedonreferencediameters-Part2:Nominalandinspectiondimensions
【原文标准名称】:基于参考直径的渐开线花键.第2部分:标称和检验尺寸
【标准号】:DIN5480-2-2006
【标准状态】:现行
【国别】:德国
【发布日期】:2006-05
【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】:基本渐开线长度;直径;尺寸;配合;量规;渐开线花键;渐开线齿;机械工程;模数;公称尺寸;齿数;动力传动工程;动力传动系统;轴连接;花键;调查;齿轮齿;磨损量
【英文主题词】:Basetangentlengths;Diameter;Dimensions;Fits;Gauge;Involutesplines;Involuteteeth;Mechanicalengineering;Modules;Nominalsize;Numbersofteeth;Powertransmissionengineering;Powertransmissionsystems;Shaftconnection;Splines;Surveys;Teethofgears;Wear-quantity
【摘要】:Involutesplineshaftsmanufacturedtothisstandardareusedforclearance,slidingandinterferenceconnectionsofshaftsandhubs.Theycontainallcharacteristicsforthetransmissionoftorque,thelocationandaneconomicproduction.
【中国标准分类号】:J18
【国际标准分类号】:21_120_10
【页数】:40P.;A4
【正文语种】:英语
