NF C92-252-3-1999 家用和类似电子设备互连要求.音频和视频连接.第2-3部分:系统定向应用
时间:2024-05-10 14:06:12 来源: 标准资料网 作者：标准资料网 阅读：9157
【英文标准名称】:Domesticandsimilarelectronicequipmentinterconnectionrequirements:AV.link.Part2-3:systemorientedapplication.
【原文标准名称】:家用和类似电子设备互连要求.音频和视频连接.第2-3部分:系统定向应用
【标准号】:NFC92-252-3-1999
【标准状态】:现行
【国别】:法国
【发布日期】:1999-08-01
【实施或试行日期】:1999-08-05
【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】:电子设备;控制系统;使用;额定值;;;;电子仪器;通信系统;协议;放象(设备);娱乐电子学;轴衬(机械元件);互连接;电插头;电性质和电现象;信号传输;磁带录像机;控制信号;电视系统;环视电视;电视接收;视听设备;信号;连接电缆
【英文主题词】:Applications;Audiovisual;Audiovisualequipment;Bushes(mechanicalcomponents);Communicationsystems;Connectorcables;Controlsignals;Controlsystems;Cordsforlightingchains;Electricplugs;Electricalpropertiesandphenomena;Electronicequipment;Electronicinstruments;Entertainmentelectronics;Interconnection;Peritelevision;Protocols;Ratings;Signaltransmission;Signals;Small-signalconnection;Televisionreception;Televisionsystems;Videoplay-backs;Videotaperecorders
【摘要】:
【中国标准分类号】:Y60
【国际标准分类号】:33_160_01
【页数】:12P.;A4
【正文语种】:其他
【英文标准名称】:Storage,Handling,andProcessingofMagnesium
【原文标准名称】:镁的储存、搬运和加工
【标准号】:ANSI/NFPA480-1993
【标准状态】:作废
【国别】:美国
【发布日期】:1993
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:安全工程;安全要求;危险物质;镁
【英文主题词】:dangerousmaterials;safetyengineering;magnesium;safetyrequirements
【摘要】:Appliestothestorage,handling,andprocessingofmagnesiumatmagnesiumfoundries,processingplants,andcommercialstoragefacilities.
【中国标准分类号】:H60
【国际标准分类号】:77_150_20;13_300;71_060_10
【页数】:
【正文语种】:英语
【英文标准名称】:StandardPracticeforClassificationofSoilsforEngineeringPurposes(UnifiedSoilClassificationSystem)
【原文标准名称】:工程用土壤分类的标准实施规程(统一土壤分类法)
【标准号】:ASTMD2487-2010
【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】:美国材料与试验协会(US-ASTM)
【起草单位】:D18.07
【标准类型】:(Classification)
【标准水平】:()
【中文主题词】:
【英文主题词】:Atterberglimits;classification;clay;gradation;gravel;laboratoryclassification;organicsoils;sand;silt;soilclassification;soiltests;Atterberglimits;Clay;Coarse-grainedsoil;Erosioncontrolmaterials/applications;Fine-grainedsoil;Grada
【摘要】:Thisstandardclassifiessoilsfromanygeographiclocationintocategoriesrepresentingtheresultsofprescribedlaboratoryteststodeterminetheparticle-sizecharacteristics,theliquidlimit,andtheplasticityindex.Theassigningofagroupnameandsymbol(s)alongwiththedescriptiveinformationrequiredinPracticeD2488canbeusedtodescribeasoiltoaidintheevaluationofitssignificantpropertiesforengineeringuse.Thevariousgroupingsofthisclassificationsystemhavebeendevisedtocorrelateinageneralwaywiththeengineeringbehaviorofsoils.Thisstandardprovidesausefulfirststepinanyfieldorlaboratoryinvestigationforgeotechnicalengineeringpurposes.ThisstandardmayalsobeusedasanaidintrainingpersonnelintheuseofPracticeD2488.ThisstandardmaybeusedincombinationwithPracticeD4083whenworkingwithfrozensoils.Note58212;Notwithstandingthestatementsonprecisionandbiascontainedinthisstandard:Theprecisionofthistestmethodisdependentonthecompetenceofthepersonnelperformingitandthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting.UsersofthistestmethodarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliabletesting.Reliabletestingdependsonseveralfactors;PracticeD3740providesameansforevaluatingsomeofthosefactors.1.1Thispracticedescribesasystemforclassifyingmineralandorgano-mineralsoilsforengineeringpurposesbasedonlaboratorydeterminationofparticle-sizecharacteristics,liquidlimit,andplasticityindexandshallbeusedwhenpreciseclassificationisrequired.Note18212;Useofthisstandardwillresultinasingleclassificationgroupsymbolandgroupnameexceptwhenasoilcontains5to12%finesorwhentheplotoftheliquidlimitandplasticityindexvaluesfallsintothecrosshatchedareaoftheplasticitychart.Inthesetwocases,adualsymbolisused,forexample,GP-GM,CL-ML.Whenthelaboratorytestresultsindicatethatthesoilisclosetoanothersoilclassificationgroup,theborderlineconditioncanbeindicatedwithtwosymbolsseparatedbyaslash.Thefirstsymbolshouldbetheonebasedonthisstandard,forexample,CL/CH,GM/SM,SC/CL.Borderlinesymbolsareparticularlyusefulwhentheliquidlimitvalueofclayeysoilsiscloseto50.Thesesoilscanhaveexpansivecharacteristicsandtheuseofaborderlinesymbol(CL/CH,CH/CL)willalerttheuseroftheassignedclassificationsofexpansivepotential.1.2Thegroupsymbolportionofthissystemisbasedonlaboratorytestsperformedontheportionofasoilsamplepassingthe3-in.(75-mm)sieve(seeSpecificationE11).1.3Asaclassificationsystem,thisstandardislimitedtonaturallyoccurringsoils.Note28212;Thegroupnamesandsymbolsusedinthistestmethodmaybeusedasadescriptivesystemappliedtosuchmaterialsasshale,claystone,shells,crushedrock,etc......
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:11P.;A4
【正文语种】:英语