ANSI/NFPA 99B-2010 低气压设施标准
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【英文标准名称】:StandardforHypobaricFacilities
【原文标准名称】:低气压设施标准
【标准号】:ANSI/NFPA99B-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:防火安全性;低压;防事故;安全性工程;安全性要求
【英文主题词】:Firesafety;Lowpressure;Protectionagainstaccidents;Safetyengineering;Safetyrequirements
【摘要】:1.1.1*Thisstandardshallapplytoallhypobaricfacilitiesinwhichhumanswillbeoccupantsorareintendedtobeoccupantsofthehypobaricchamber.1.1.2Thisstandardshallnotapplytohypobaricfacilitiesusedforanimalexperimentationifthesizeofthehypobaricchamberdoesnotallowforhumanoccupancy.
【中国标准分类号】:C82
【国际标准分类号】:13_220_20;13_230;13_260
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminingaThresholdStressIntensityFactorforEnvironment-AssistedCrackingofMetallicMaterials
【原文标准名称】:测定金属材料环境致裂的界限应力强度因子的标准试验方法
【标准号】:ASTME1681-2003(2008)e1
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:E08.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aqueousagressiveenvironment;constant-forcetest;elasticstress;environment-assistedcracking;metallicmaterials;thresholdstressintensityfactor;Constantforce/displacementtesting;Cracking--metallicmaterials;EAC(environmentallyassistedcrac
【摘要】:TheparametersKEACorKIEACdeterminedbythistestmethodcharacterizetheresistancetocrackgrowthofamaterialwithasharpcrackinspecificenvironmentsunderloadingconditionsinwhichthecrack-tipplasticregionissmallcomparedwiththecrackdepthandtheuncrackedligament.ThelessrestrictivethicknessrequirementsofKEACareintendedforthoseconditionsinwhichtheresultsareastrongfunctionofthethicknessofthespecimenandtheapplicationrequiresthetestingofspecimenswiththicknessrepresentativeoftheapplication.Sincethechemicalandmechanicalinfluencescannotbeseparated,insomematerial/environmentcombinations,thethicknessmustbetreatedasavariable.AKEACorKIEACvalueisbelievedtorepresentacharacteristicmeasurementofenvironment-assistedcrackingresistanceinaprecrackedspecimenexposedtoanenvironmentundersustainedtensileloading.AKEACorKIEACvaluemaybeusedtoestimatetherelationshipbetweenfailurestressanddefectsizeforamaterialunderanyservicecondition,wherethecombinationofcrack-likedefects,sustainedtensileloadingandthesamespecificenvironmentwouldbeexpectedtooccur.(BackgroundinformationconcerningthedevelopmentofthistestmethodcanbefoundinRefs(3-18).1.1Thistestmethodcoversthedeterminationoftheenvironment-assistedcrackingthresholdstressintensityfactorparameters,KIEACandKEAC,formetallicmaterialsfromconstant-forcetestingoffatigueprecrackedbeamorcompactfracturespecimensandfromconstant-displacementtestingoffatigueprecrackedbolt-loadcompactfracturespecimens.1.2Thistestmethodisapplicabletoenvironment-assistedcrackinginaqueousorotheraggressiveenvironments.1.3Materialsthatcanbetestedbythistestmethodarenotlimitedbythicknessorbystrengthaslongasspecimensareofsufficientthicknessandplanarsizetomeetthesizerequirementsofthistestmethod.1.4Arangeofspecimensizeswithproportionalplanardimensionsisprovided,butsizemaybevariableandadjustedforyieldstrengthandappliedforce.Specimenthicknessisavariableindependentofplanarsize.1.5Specimenconfigurationsotherthanthosecontainedinthistestmethodmaybeused,providedthatwell-establishedstressintensitycalibrationsareavailableandthatspecimendimensionsareofsufficientsizetomeetthesizerequirementsofthistestmethodduringtesting.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H22
【国际标准分类号】:91_080_10
【页数】:13P.;A4
【正文语种】:英语
【英文标准名称】:Connectorsforelectronicequipment-Part3-112:Rectangularconnectors-Detailspecificationforrectangularconnectorswithfourcontactsforhighperformanceserialbususedforconsumeraudio/videoequipment
【原文标准名称】:电子设备连接器.第3-112部分:矩形连接器.消费者音频/视频设备用高性能串行母线带4个触点的矩形连接器的详细规范
【标准号】:IEC61076-3-112-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-04
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC48B
【标准类型】:()
【标准水平】:()
【中文主题词】:音频;音频系统;插接件连接;触点;数据总线;详细规范;尺寸;直流电压;电插头;电气工程;电性能;电子工程;电子设备;电子设备及元件;娱乐电子学;大容量;高速;作标记;特性;额定值;矩形连接器;串行;规范;电信;试验程序;试验;视频
【英文主题词】:Audio;Audiosystems;Connectoredjoints;Contact;Databus;Detailspecification;Dimensions;Directvoltage;Electricplugs;Electricalengineering;Electricalproperties;Electricalpropertiesandphenomena;Electronicengineering;Electronicequipment;Electronicequipmentandcomponents;Entertainmentelectronics;Highcapacity;Highspeed;Marking;Properties;Ratings;Rectangularconnectors;Serial;Specification;Telecommunications;Testprograms;Testing;Video
【摘要】:TheseconnectorsaredesignedbasedonIEEEstandard1394a-2000andapplicableforhighperformanceserialbususedforconsumeraudio/videoequipment.Theseconnectorsconsistoffixedandfreeconnectorshavingfourcontacts.
【中国标准分类号】:L23
【国际标准分类号】:31_220_10
【页数】:71P.;A4
【正文语种】:英语
