SAE AMS7879 Tungsten Carbide-Cobalt Powder, Cast and Crushed
时间:2024-05-12 10:46:52 来源: 标准资料网 作者：标准资料网 阅读：8512
Product Code:SAE AMS7879
Title:Tungsten Carbide-Cobalt Powder, Cast and Crushed
Issuing Committee:Ams G Titanium And Refractory Metals Committee
Scope:This specification covers tungsten carbide-cobalt in the form of powder.
- 上一篇：SAE MAM2201 Tolerances, Metric, Aluminum and Aluminum Alloy Bar, Rod, Wire, and Forging Stock, Rolled, Drawn, Or Cold Fi
- 下一篇：SAE AMS4935 Titanium Alloy, Extrusions and Flash Welded Rings, 6al 4v, Annealed, Beta Processed
【英文标准名称】:Teleprotectionequipmentofpowersystems-Performanceandtesting-Commandsystems
【原文标准名称】:电力系统遥护设备.性能和试验.指令系统
【标准号】:BSEN60834-1-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-08-15
【实施或试行日期】:2000-08-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:性能;电信系统;电气保护设备;信号传输;界面;通信设备;电压;电网;通信链路;电气试验;电气设备;模拟信号;性能试验;定型试验;电力系统;数字信号
【英文主题词】:
【摘要】:ThispartofIEC60834appliestoteleprotectioncommandsystemsusedtoconveycommandinformation,generallyinconjunctionwithprotectionequipment.Itaimsatestablishingperformancerequirementsandrecommendedtestingmethodsforcommandtypeteleprotectionequipment.Theinformationconveyedbytheteleprotectionequipmentcanbeinanalogueordigitalform.Thecommandtypeteleprotectionequipmentreferredtointhisstandardcanbepowerlinecarrierequipmentorvoicefrequencyequipmentwhichisusedinconnectionwithvarioustelecommunicationsystems,suchaspowerlinecarrier(PLC),radiolinks,opticalfibre,rentedcircuits,leasedorprivatelyownedcables.Inadditionthecommandtypeteleprotectioncanbedigitalequipmentwhichisusedwithadigitaltelecommunicationsystemormediasuchasopticalfibres,radiolinks,leasedorprivatelyowneddigitallinks.Thecommandtypeteleprotectionequipmentmaybeseparateorprovidedasanintegralpartoftheprotectionequipment.Inadditiontoteleprotectionequipmentperformancetests,testshavetobecarriedoutonthepowersupplyoftheteleprotectionequipment.Allthetestsshouldberegardedastypetests.NOTE-AccordingtotheInternationalElectrotechnicalVocabulary(IEV),atypetestisdefinedasatestofoneormoredevicesmadetoacertaindesigntoshowthatthedesignmeetscertainspecifications.
【中国标准分类号】:F21
【国际标准分类号】:29_240_30
【页数】:60P;A4
【正文语种】:英语
【英文标准名称】:Earth-movingmachinery-Tractor-scrapers-Terminologyandcommercialspecifications
【原文标准名称】:土方机械铲运机术语和商业规格
【标准号】:ISO7133-1994
【标准状态】:现行
【国别】:国际
【发布日期】:1994-07
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC127
【标准类型】:()
【标准水平】:()
【中文主题词】:词汇;土方机械;定义;铲运机;铲运机;术语;牵引车
【英文主题词】:Definitions;Earth-movingequipment;Scrapers;Scrapers(earthmovingequipment);Terminology;Tractors;Vocabulary
【摘要】:Establishesterminologyandthecontentofcommercialliteraturespecificationsforself-propelledtractor-scrapers,andtheirequipment.Appliestotractor-scrapersasdefinedinISO6165.Coversthebasemachine,attachment,andperformanceterminologyandcontainsanannex.
【中国标准分类号】:P97
【国际标准分类号】:01_040_53;53_100
【页数】:11P.;A4
【正文语种】:英语