SAE ARP953 Stress Dome in Fasteners
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来源:标准资料网
Product Code:SAE ARP953
Title:Stress Dome in Fasteners
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:This document establishs limits or parameters for designing bolt heads with proper control of flowlines to assure sufficient strength to resist stresses induced by static or dynamic loads without being affected by lightening and lockwire holes.
基本信息
| 标准名称： | 调频广播编码器技术参数及测量方法 双节目 |
| 英文名称： | Technical parameters and measuring methods for FM broadcasting coder-Two programs |
| 中标分类： |
通信、广播 >>
广播、电视网 >>
节目传输 |
| ICS分类： |
|
| 发布部门： | 中华人民共和国广播电影电视部 |
| 发布日期： | 1987-09-10 |
| 实施日期： | 1988-08-01 |
| 首发日期： | 1988-01-21 |
| 作废日期： | 1900-01-01 |
| 主管部门： | 国家广播电影电视总局 |
| 归口单位： | 全国广播电视标准化技术委员会 |
| 起草单位： | 广播电影电视部设备制造厂 |
| 起草人： | 尹作人 |
| 出版社： | 中国标准出版社 |
| 出版日期： | 1900-01-01 |
| 页数： | 8页 |
适用范围
本标准规定的编码器生产的信号符合GB 4311.4《调频广播 双节目》。
前言
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目录
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引用标准
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所属分类： 通信 广播 广播 电视网 节目传输
【英文标准名称】:TestMethodforSpontaneousHeatingValuesofLiquidsandSolidsDifferentialMackeyTest
【原文标准名称】:液体和固体差动麦克试验的自发热值用试验方法
【标准号】:ANSI/ASTMD3523-1992
【标准状态】:作废
【国别】:美国
【发布日期】:1992
【实施或试行日期】:
【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】:热值;液体;石油产品;固体;测试
【英文主题词】:Calorificvalue;Liquids;Petroleumproducts;Solids;Testing
【摘要】:Thistestmethodcoversthenon-adiabaticdeterminationofthespontaneousheatingvalues(SHV)ofliquidsandsolids.Itisapplicabletosubstancesthatarenotcompletelyvolatileatthetesttemperature.Spontaneousheatingvaluesobtainedbythistestmethodarequalitativeindicationsofthedegreeofself-heatingthatmaybeexpectedtooccuruponexposureofthesampletoairatthetesttemperature.Valuesobtainedbythismethodareapplicabletoliquidsandsolidssupportedoncellulosicsurfaces.Theyarenotapplicabletoliquidsonmetalsurfaces,oncontaminatedsurfaces,oratpressuresaboveatmospheric.Spontaneousheatingvaluesdeterminedbythepresenttestmethodareregardedonlyasqualitativemeasurementsofself-heatingwhichoccursundertheconditionsofthetest.Thetestmethoddoesnotpurporttoproduceaquantitativemeasureoftheenthalpyofreactionofthesamplewithairatagiventesttemperature.Suchdatacanbeobtainedbytheuseofanadiabaticcalorimeter.Theexistence,underthetestconditions,ofapositivetemperaturedifferencebetweenthesampleandthereferenceisevidenceofathermochemicalreactioninthesample.Themagnitudeofthemeasuredtemperaturedifferenceisasemiquantitativeindicationoftheenthalpyandrateofthatreaction.Sincefactorssuchasheatlossfromthesampletothebathandquenchingofthereactionduetotoorapidconsumptionofoxygenaffecttheamountanddurationofthemeasuredheateffect,caremustbetakennottoattributetoomuchquantitativesignificancetothetestresults.Itissufficient,forthepurposeofthistest,todeterminewhetherornotthesampleiscapableofundergoingaself-heatingreactionofsufficientmagnitudeandrapiditytoproduceadetectablethermaleffect.Thespontaneousheatingvalue(SHV)canbelowerthanthetesttemperature.Anegativeresultdoesnotprecludespontaneousheatinginitiatingatatemperaturehigherthanthetesttemperature.Thisstandardshouldbeusedtomeasureanddescribetheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditionsandshouldnotbeusedtodescribeorappraisethefire-hazardorfire-riskofmaterials,products,orassembliesunderactualfireconditions.However,resultsofthistestmaybeusedaselementsofafire-hazardassessmentorafire-riskassessmentwhichtakesintoaccountallofthefactorswhicharepertinenttoanassessmentofthefirehazardorfireriskofaparticularenduse.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Incaseswherematerials,productsorequipmentareavailableininch-poundunitsonly,SIunitsareomitted.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E30
【国际标准分类号】:75_160_01
【页数】:
【正文语种】:英语
