IEC 60050-715-1996 国际电工词汇第715章:电信网络、通讯业务令和运行
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【英文标准名称】:InternationalElectrotechnicalVocabulary-Chapter715:Telecommunicationsnetworks,teletrafficandoperation
【原文标准名称】:国际电工词汇第715章:电信网络、通讯业务令和运行
【标准号】:IEC60050-715-1996
【标准状态】:现行
【国别】:国际
【发布日期】:1996-12
【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/TC1
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;电信;电信;电气工程;词汇;通信网;通信;电讯;网络互连;远程通信
【英文主题词】:Communicationnetworks;Definitions;Electricalcommunication;Electricalengineering;Networkinterconnection;Telecommunication;Telecommunications;Vocabulary
【摘要】:Thisfirsteditionofchapter715oftheInternationalElectrotechnicalVocabulary(IEV)dealswithbasicterms,resources,calls,timesanddelays,trafficandtrafficengineering,circuitgroups,andnetworksfortelecommunication.
【中国标准分类号】:K04
【国际标准分类号】:01_040_29;01_040_33;29_020;33_020
【页数】:74P.;A4
【正文语种】:英语
Product Code:SAE AS7110/6
Title:Nadcap Requirements for Laser Welding (Cancelled Mar 2007)
Issuing Committee:Nadcap Management Council
Scope:This Aerospace Standard (AS) is to be used to supplement AS7110. In addition to the requirements contained in AS7110, the requirements contained herein shall apply to suppliers seeking Nadcap accreditation for laser welding.【英文标准名称】:PrestressedConcretePressurePipe,Steel-CylinderType
【原文标准名称】:预应力混凝土压力管.钢筒型
【标准号】:ANSI/AWWAC301-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007-01-11
【实施或试行日期】:2007-06-01
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:AWWA
【标准类型】:()
【标准水平】:()
【中文主题词】:混凝土压力管;压力管;给水
【英文主题词】:Concretepressurepipes;Pressurepipes;Watersupply
【摘要】:Thisstandarddescribesthemanufactureofcircumferentiallyprestressedconcretepressurepipewithasteelcylinderandwirereinforcementinsizes16in.(410mm)through144in.(3,660mm).Largersizeshavebeenmanufacturedbasedontheconceptspresentedinthisstandard.Thestandarddescribestwotypesofprestressedpipe:(1)lined-cylinderpipewithacorecomposedofasteelcylinderlinedwithconcreteandsubsequentlywire-wrappedandcoatedwithpremixedmortar,and(2)embedded-cylinderpipewithacorecomposedofasteelcylinderencasedinconcreteandsubsequentlywirewrappedandcoatedwithpremixedcementmortar.ThedesignofprestressedconcretepipeisnotpresentedinthisstandardbutisthesubjectofANSI/AWWAC304,DesignofPrestressedConcreteCylinderPipe.ANSI/AWWAC301alsodoesnotincluderequirementsforhandling,delivering,laying,fieldtesting,ordisinfectingofpipe.SeeAWWAManualM9,ConcretePressurePipe,forthisinformation.1.1.1Essentialrequirements.Thepipeshallhavethefollowingprincipalfeatures:aweldedsteelcylinderwithsteeljointringsweldedtoitsends;forlined-cylinderpipe,acoreconsistingofaliningofconcretewithinthesteelcylinder,orforembedded-cylinderpipe,acoreconsistingofthesteelcylinderencasedinconcrete;reinforcementconsistingofhigh-tensilewirewoundaroundtheoutsideofthecoreinoneormorelayersatapredeterminedstressandfastenedsecurelyatitsends;acoatingofdensemortarcoveringthecoreandwire,exceptforthenecessarilyexposedsurfacesofthejointrings;andaself-centeringjointwithapreformedgasketofrubber,designedsothatthejointwillbewatertightunderallconditionsofservice.Lined-cylinderpipeshallbeusedforpipesizesuptoandincluding20in.(510mm)andmaybeusedforpipesizesuptoandincluding60in.(1,520mm).Embeddedcylinderpipemaybeusedforpipesizes24in.(610mm)through60in.(1,520mm)andshallbeusedforlargerpipe.Forembedded-cylinderpipe,atleastonethirdofthetotalcorethicknessshallbeoutsidethecylinder.
【中国标准分类号】:Q81
【国际标准分类号】:93_025;77_140_75
【页数】:48P.;A4
【正文语种】:英语