ASTM A 74-1994 固体铸铁管和配件
作者:标准资料网 时间:2024-04-30 10:08:43 浏览:8351
来源:标准资料网
【英文标准名称】:CastIronSoilPipeandFittings
【原文标准名称】:固体铸铁管和配件
【标准号】:ASTMA74-1994
【标准状态】:作废
【国别】:美国
【发布日期】:1994
【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】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:铸铁;铸件;配件;铁
【英文主题词】:cast-iron;iron;castings;fittings
【摘要】:
【中国标准分类号】:H48
【国际标准分类号】:23_040_40
【页数】:
【正文语种】:英语
【英文标准名称】:Helical-scancompresseddigitalvideocassettesystemusing6,35mmmagnetictape-FormatD-7-Part3:Datastreamformat
【原文标准名称】:使用6.35mm磁带的螺旋扫描压缩数字视频盒式系统.格式D-7.第3部分:数据流格式
【标准号】:IEC62071-3-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-10
【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/TC100
【标准类型】:()
【标准水平】:()
【中文主题词】:电气工程;规范(验收);盒式磁带;磁带记录;接口(数据处理);螺旋扫描记录(法);数字的;盒式录象带;调制;尺寸;娱乐电子学;数据;结构;视频记录;记录系统;数字录制技术
【英文主题词】:Cassettes;Cassettes(magnetictapes);Data;Digital;Digitalrecordingtechnique;Electricalengineering;Entertainmentelectronics;Formats;Helicalscanrecording;Interfaces;Interfaces(dataprocessing);Magnetictaperecordings;Magnetictapes;Modulation;Recording;Recordingequipment;Recordingsystems;Specification(approval);Structure;Systems;Videocassettes;Videorecording
【摘要】:ThispartofIEC62071definestheformatofthedatastreamforthesynchronousexchangeofDV-basedaudio,data,andcompressedvideo(whosedatastructureisdefinedinSMPTE314M)overtheinterfacedefinedinSMPTE305M.Itcoversthetransmissionofaudio,subcodedataandcompressedvideopacketsassociatedwithDV-based25and50Mb/sdatastructuresincludingfaster-than-real-timetransmissionfor525/60SDTIand625/50SDTIsystems.ThisstandarddoesnotincludethedatastreamofaDV-compressedstructureasdefinedinSMPTE322M.SpacewithinSMPTE305MnotusedbyadatastreamconformingtothisstandardmaybeusedforthetransmissionofdataotherthanthoserepresentingDV-basedaudio,dataandcompressedvideo.Inthisstandard,the60Hzsystemreferstothefieldfrequency59,94Hzsystemandthe50Hzsystemreferstothefieldfrequency50,0Hzsystem.
【中国标准分类号】:M71
【国际标准分类号】:33_160_40
【页数】:30P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminingParticulateMatterEmissionsfromFiresinLowMassWood-BurningFireplaces
【原文标准名称】:测定从低质木材燃烧火炉的炉火中排放的粒状物的标准试验方法
【标准号】:ASTME2558-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:E06.54
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:emissions;fireplaces;low-massfireplace;particulate;particulatematter;wood-burning;Fireplaces;Particulatemattercontent
【摘要】:Thistestmethodisusedfordeterminingemissionfactorsandemissionratesforlowmasswood-burningfireplaces.Theemissionfactorisusefulfordeterminingemissionperformanceduringproductdevelopment.Theemissionfactorisusefulfortheairqualityregulatorycommunityfordeterminingcompliancewithemissionperformancelimits.Theemissionratemaybeusefulfortheairqualityregulatorycommunityfordeterminingimpactsonairqualityfromfireplaces,butmustbeusedwithcautionasusepatternsmustbefactoredintoanypredictionofatmosphericparticulatematterimpactsfromfireplacesbasedonresultsfromthismethod.Thereportingunitsaregramsofparticulateperkilogramofdryfuelandgramsofparticulateperhour.Appropriatereportingunitsforcomparingemissionsfromnon-heatingappliances:g/kg.Appropriatereportingunitsforpredictingatmosphericemissionimpactsonlyifhoursoffireplaceusearefactoredin:g/h.1.1Thistestmethodcoversthefuelingandoperatingprotocolfordeterminingparticulatematteremissionsfromwoodfiresinlowmasswood-burningfireplaces.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesaremathematicalconversionstoinch-poundunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z60
【国际标准分类号】:
【页数】:17P.;A4
【正文语种】:英语
