【英文标准名称】:Connectorsforelectronicequipment-Part3-111:Detailspecificationfor8-way,shieldedandunshielded,freeandfixedconnectors,forindustrialenvironmentsforfrequenciesupto250MHz
【原文标准名称】:电子设备用连接器.第3-111部分:工业环境最高频率为250Hz的8频道,有屏蔽和无屏蔽的,松散的和固定连接器的详细规范
【标准号】:IEC/PAS61076-3-111-2002
【标准状态】:作废
【国别】:国际
【发布日期】:2002-06
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/SC48B
【标准类型】:()
【标准水平】:()
【中文主题词】:通信;电子设备及元件;电连接器;屏蔽的;电子工程;固定连接器;电气工程;电插头;详细规范;量规;试验;印制电路;特性;八极;尺寸
【英文主题词】:
【摘要】:
【中国标准分类号】:L23
【国际标准分类号】:31_220_10
【页数】:35P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforDeterminingAirChangeinaSingleZonebyMeansofaTracerGasDilution
【原文标准名称】:用示踪气体稀释法测定单区内空气变化的标准测试方法
【标准号】:ASTME741-2000(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】:E06.41
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:空气;试验
【英文主题词】:airchange;airchangeflow;airchangerate;airchangesperhour;airexchange;airleakage;airleakagerate;concentration;tracergas;concentrationdecay;constantconcentration;constantinjection;envelope;building;exfiltration;infiltration;tracergas;ventilation;ventilationrate;zone
【摘要】:1.1Thistestmethodcoverstechniquesusingtracergasdilutionfordeterminingasinglezone'sairchangewiththeoutdoors,asinducedbyweatherconditionsandbymechanicalventilation.Thesetechniquesare:(1)concentrationdecay,(2)constantinjection,and(3)constantconcentration.1.2Thistestmethodisrestrictedtoanysingletracergas.Theassociateddataanalysisassumesthatonecancharacterizethetracergasconcentrationwithinthezonewithasinglevalue.Thezoneshallbeabuilding,vehicle,testcell,oranyconformingenclosure.1.3Useofthistestmethodrequiresaknowledgeoftheprinciplesofgasanalysisandinstrumentation.Correctuseoftheformulaspresentedhererequiresconsistentuseofunits,especiallythoseoftime.1.4Determinationofthecontributiontoairchangebyindividualcomponentsofthezoneenclosureisbeyondthescopeofthistestmethod.1.5Theresultsfromthistestmethodpertainonlytothoseconditionsofweatherandzonaloperationthatprevailedduringthemeasurement.Theuseoftheresultsfromthistesttopredictairchangeunderotherconditionsisbeyondthescopeofthistestmethod.1.6Thetextofthistestmethodreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredrequirementsofthistestmethod.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z15
【国际标准分类号】:13_040_01
【页数】:17P.;A4
【正文语种】: