NF C97-132-1999 音频录制.光盘数字音频系统
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【英文标准名称】:Audiorecording.Compactdiscdigitalaudiosystem.
【原文标准名称】:音频录制.光盘数字音频系统
【标准号】:NFC97-132-1999
【标准状态】:现行
【国别】:法国
【发布日期】:1999-06-01
【实施或试行日期】:1999-06-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:光学系统;激光数字音频系统;记录系统;信号;信息载体;重放设备;音频系统;互换性;记录工程;音频设备;测量技术;数字工程;可置换性;录音;数字记录法;记录;特性;测量;规范(验收);电气工程;数据记录;额定值;数字录制技术
【英文主题词】:
【摘要】:
【中国标准分类号】:M71
【国际标准分类号】:33_160_30
【页数】:109P;A4
【正文语种】:其他
【原文标准名称】:音频录制.光盘数字音频系统
【标准号】:NFC97-132-1999
【标准状态】:现行
【国别】:法国
【发布日期】:1999-06-01
【实施或试行日期】:1999-06-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:光学系统;激光数字音频系统;记录系统;信号;信息载体;重放设备;音频系统;互换性;记录工程;音频设备;测量技术;数字工程;可置换性;录音;数字记录法;记录;特性;测量;规范(验收);电气工程;数据记录;额定值;数字录制技术
【英文主题词】:
【摘要】:
【中国标准分类号】:M71
【国际标准分类号】:33_160_30
【页数】:109P;A4
【正文语种】:其他
下载地址: 点击此处下载
上一篇: NF Z84-175-8-1999 无线电设备和系统(RES).数字增强无线通信(DECT).公共接口(CI).第8部分:语音编码和传输
下一篇: NF Z85-635-1999 传输和多路转换(TM).同步信号分级存储器(SDH).MXSTM-N传输的无线电专用功能模块(欧洲远程通信标准ETS300635)
下一篇: NF Z85-635-1999 传输和多路转换(TM).同步信号分级存储器(SDH).MXSTM-N传输的无线电专用功能模块(欧洲远程通信标准ETS300635)
【英文标准名称】:StandardGuideforDigitalDataAcquisitioninWearandFrictionMeasurements
【原文标准名称】:磨损和摩擦测量中的数字数据获取的标准指南
【标准号】:ASTMG163-2010
【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】:G02.20
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:dataacquisition;database;digitaldata;friction;hardware;software;tribology;wear;Digitaldataacquisition;Friction/frictionalproperties--metallicmaterials;Hardware;Dataanalysis--metals/alloys;Software;Tribology;Weartesting--metallicmate
【摘要】:Thisguideillustratesthestepsandconsiderationsinvolvedwithdigitaldataacquisition.Whileanalogrecordingofwearandfrictiondatahasbeeninthepast,digitaldataacquisitionandstorageisusedextensively.ItisimportantthatDAQusersunderstandhowdataiscollectedandstoredandhowdatamanipulationmayaffectrawdataintegrity.Multi-stationwearandfrictiontestingisincreasinginuse,andbecauseoftheincreasedvolumeofdatainsuchapproaches,theuseofdigitaldataacquisitionfacilitatessuchtesting.Thesamehardwareandsoftwareusedfortheinitialanalogdataconversiontodigitalformcanoftenalsobeusedforinitialdataprocessing,forexample,multiple-pointaveraging.Thiscanconvenientlyleadtocomputer-basedstorageofprocesseddataindigitalform.However,wherepossible,thestorageofunfiltered(softwarefilters)andunmanipulateddatawillallowreevaluationoforiginaldatashouldcalibrationcoefficientsneedtobeadjusted.Databasesarefrequentlyconstructedincomputerizedformat(seeGuideG118)inordertoholdlargeamountsofwearandfrictiondatafromlaboratorytestprograms.1.1Thisguidecoverstheprovidingofgeneralguidanceinapplyinghardwareandsoftwaretodigitallyacquirewearandfrictiondatainlaboratorytestsystems.Itpointsoutimportantconsiderationsinsuchdataacquisition.Itdoesnotmakespecificrecommendationsordiscussspecificdetailsregardingcommercialhardwareorsoftware.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H22
【国际标准分类号】:19_060
【页数】:3P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforTearResistance(GravesTear)ofPlasticFilmandSheeting
【原文标准名称】:塑料薄膜和塑料薄板的抗撕裂强度
【标准号】:ASTMD1004-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D20.19
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:箔;塑料薄膜;塑料;材料强度;抗撕裂强度;测试
【英文主题词】:Graves;plasticfilm;tear;tearinitiation;thinsheeting;
【摘要】:Tearresistanceofplasticfilmorsheetingisacomplexfunctionofitsultimateresistancetorupture.Thespecimengeometryandspeedoftestinginthistestmethodarecontrolledtoproducetearinginasmallareaofstressconcentrationatratesfarbelowthoseusuallyencounteredinservice.Experiencehasshownthetesttohaveitsbestreliabilityformaterialswhichdonothavebrittlefailureordonotelongategreaterthantwohundredpercentduringtesting.Thedatafromthistestmethodfurnishcomparativeinformationforrankingthetearingresistanceofplasticspecimensofsimilarcomposition.Actualuseperformanceintearingofsomeplasticsmaynotnecessarilycorrelatewithdatafromthistestmethod.Theresistancetotearofplasticfilmandsheeting,whilepartlydependentuponthickness,hasnosimplecorrelationwithspecimenthickness.Hence,tearingforcesmeasuredinnewtons[orpounds-force]cannotbenormalizedoverawiderangeofspecimenthicknesswithoutproducingmisleadingdataastotheactualtearingresistanceofthematerial.Datafromthistestmethodarecomparableonlyfromspecimens,whichvarybynomorethanx00B1;10%fromthenominaloraveragethicknessofallspecimenstested.Therefore,thetearingresistanceisexpressedinmaximumnewtons[orpounds-force]offorcetotearthespecimen.Thetearresistanceofplasticfilmmaybeaspecificationthatrequirestheuseofthistestmethod,butwithsomeproceduralmodificationsthattakeprecedencewhenadheringtothespecification.Therefore,itisadvisabletorefertothatmaterialspecificationbeforeusingthistestmethod.Table1ofClassificationSystemD4000liststheASTMmaterialsstandardsthatcurrentlyexist.1.1Thistestmethodcoversthedeterminationofthetearresistanceofflexibleplasticfilmandsheetingatverylowratesofloading,51mm[2in.]/min.andisdesignedtomeasuretheforcetoinitiatetearing.Thespecimengeometryofthistestmethodproducesastressconcentrationinasmallareaofthespecimen.Themaximumstress,usuallyfoundneartheonsetoftearing,isrecordedasthetearresistanceinnewtons[orpounds-force].Themethodisnotapplicableforfilmorsheetingmaterialwherebrittlefailuresoccurduringtestingorwheremaximumextensionisgreaterthan101.6mm[4in.].Note18212;Filmhasbeenarbitrarilydefinedassheetinghavingnominalthicknessnotgreaterthan0.25mm[0.010in.].1.2Constant-Rate-of-GripSeparationTest8212;Thistestmethodemploysaconstantrateofseparationofthegripsholdingthetestspecimen.1.2.1Specimenextensionmaybemeasuredinthistestmethodbygripseparation.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninbracketsareprovidedforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note28212;ThereisnosimilarorequivalentISOstandard.
【中国标准分类号】:G33
【国际标准分类号】:83_140_10
【页数】:4P.;A4
【正文语种】:
【原文标准名称】:磨损和摩擦测量中的数字数据获取的标准指南
【标准号】:ASTMG163-2010
【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】:G02.20
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:dataacquisition;database;digitaldata;friction;hardware;software;tribology;wear;Digitaldataacquisition;Friction/frictionalproperties--metallicmaterials;Hardware;Dataanalysis--metals/alloys;Software;Tribology;Weartesting--metallicmate
【摘要】:Thisguideillustratesthestepsandconsiderationsinvolvedwithdigitaldataacquisition.Whileanalogrecordingofwearandfrictiondatahasbeeninthepast,digitaldataacquisitionandstorageisusedextensively.ItisimportantthatDAQusersunderstandhowdataiscollectedandstoredandhowdatamanipulationmayaffectrawdataintegrity.Multi-stationwearandfrictiontestingisincreasinginuse,andbecauseoftheincreasedvolumeofdatainsuchapproaches,theuseofdigitaldataacquisitionfacilitatessuchtesting.Thesamehardwareandsoftwareusedfortheinitialanalogdataconversiontodigitalformcanoftenalsobeusedforinitialdataprocessing,forexample,multiple-pointaveraging.Thiscanconvenientlyleadtocomputer-basedstorageofprocesseddataindigitalform.However,wherepossible,thestorageofunfiltered(softwarefilters)andunmanipulateddatawillallowreevaluationoforiginaldatashouldcalibrationcoefficientsneedtobeadjusted.Databasesarefrequentlyconstructedincomputerizedformat(seeGuideG118)inordertoholdlargeamountsofwearandfrictiondatafromlaboratorytestprograms.1.1Thisguidecoverstheprovidingofgeneralguidanceinapplyinghardwareandsoftwaretodigitallyacquirewearandfrictiondatainlaboratorytestsystems.Itpointsoutimportantconsiderationsinsuchdataacquisition.Itdoesnotmakespecificrecommendationsordiscussspecificdetailsregardingcommercialhardwareorsoftware.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H22
【国际标准分类号】:19_060
【页数】:3P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforTearResistance(GravesTear)ofPlasticFilmandSheeting
【原文标准名称】:塑料薄膜和塑料薄板的抗撕裂强度
【标准号】:ASTMD1004-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D20.19
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:箔;塑料薄膜;塑料;材料强度;抗撕裂强度;测试
【英文主题词】:Graves;plasticfilm;tear;tearinitiation;thinsheeting;
【摘要】:Tearresistanceofplasticfilmorsheetingisacomplexfunctionofitsultimateresistancetorupture.Thespecimengeometryandspeedoftestinginthistestmethodarecontrolledtoproducetearinginasmallareaofstressconcentrationatratesfarbelowthoseusuallyencounteredinservice.Experiencehasshownthetesttohaveitsbestreliabilityformaterialswhichdonothavebrittlefailureordonotelongategreaterthantwohundredpercentduringtesting.Thedatafromthistestmethodfurnishcomparativeinformationforrankingthetearingresistanceofplasticspecimensofsimilarcomposition.Actualuseperformanceintearingofsomeplasticsmaynotnecessarilycorrelatewithdatafromthistestmethod.Theresistancetotearofplasticfilmandsheeting,whilepartlydependentuponthickness,hasnosimplecorrelationwithspecimenthickness.Hence,tearingforcesmeasuredinnewtons[orpounds-force]cannotbenormalizedoverawiderangeofspecimenthicknesswithoutproducingmisleadingdataastotheactualtearingresistanceofthematerial.Datafromthistestmethodarecomparableonlyfromspecimens,whichvarybynomorethanx00B1;10%fromthenominaloraveragethicknessofallspecimenstested.Therefore,thetearingresistanceisexpressedinmaximumnewtons[orpounds-force]offorcetotearthespecimen.Thetearresistanceofplasticfilmmaybeaspecificationthatrequirestheuseofthistestmethod,butwithsomeproceduralmodificationsthattakeprecedencewhenadheringtothespecification.Therefore,itisadvisabletorefertothatmaterialspecificationbeforeusingthistestmethod.Table1ofClassificationSystemD4000liststheASTMmaterialsstandardsthatcurrentlyexist.1.1Thistestmethodcoversthedeterminationofthetearresistanceofflexibleplasticfilmandsheetingatverylowratesofloading,51mm[2in.]/min.andisdesignedtomeasuretheforcetoinitiatetearing.Thespecimengeometryofthistestmethodproducesastressconcentrationinasmallareaofthespecimen.Themaximumstress,usuallyfoundneartheonsetoftearing,isrecordedasthetearresistanceinnewtons[orpounds-force].Themethodisnotapplicableforfilmorsheetingmaterialwherebrittlefailuresoccurduringtestingorwheremaximumextensionisgreaterthan101.6mm[4in.].Note18212;Filmhasbeenarbitrarilydefinedassheetinghavingnominalthicknessnotgreaterthan0.25mm[0.010in.].1.2Constant-Rate-of-GripSeparationTest8212;Thistestmethodemploysaconstantrateofseparationofthegripsholdingthetestspecimen.1.2.1Specimenextensionmaybemeasuredinthistestmethodbygripseparation.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninbracketsareprovidedforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note28212;ThereisnosimilarorequivalentISOstandard.
【中国标准分类号】:G33
【国际标准分类号】:83_140_10
【页数】:4P.;A4
【正文语种】:
