ASTM B629-1977(2003) 电镀用钼和钼合金的制备
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【英文标准名称】:StandardPracticeforPreparationofMolybdenumandMolybdenumAlloysforElectroplating
【原文标准名称】:电镀用钼和钼合金的制备
【标准号】:ASTMB629-1977(2003)
【标准状态】:现行
【国别】:
【发布日期】:1977
【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】:B08.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:金属;温湿度预调节;金属覆层;覆层;电镀;钼;合金;金属的
【英文主题词】:molybdenum;molybdenumalloys;electroplating;
【摘要】:Molybdenumisusedinengineeringapplicationswherestrengthandrigidityofcomponentpartsareneeded,especiallyathightemperatures.Itsgoodstrengthathightemperatures,lowvaporpressure,andgoodimpactandcreepresistancemakeitattractiveforload-bearingitemssuchasturbineblades,mechanicalseals,rocketmotorparts,heatingelements,andelectronicdevices.Molybdenum,however,iseasilyoxidized,andtheoxidesarenotprotective.Thevolatilityoftheoxidesabove800x00B0;Ccanlead,inthecaseofunprotectedparts,tocatastrophicoxidationandtolossesindimensions.Electroplatedcoatingsareappliedtomolybdenumtopreventoxidation,topreventseizingandgalling,andtoassistjoiningbysoldering,brazing,anddiffusionbonding.1.1Thispracticecoversaprocedureforpreparingmolybdenumanditsalloysforelectroplating.Theprocedureutilizestechniques,equipment,andchemicalsthatarecommontoelectroplating.Specializedproceduressuchashydrogenheattreatmentandfusedsaltpicklingarenotincluded.Theseandotherprocedurescanbefoundinthereferenceslistedattheendofthispractice.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H63
【国际标准分类号】:77_120_99
【页数】:2P.;A4
【正文语种】:
【英文标准名称】:Informationtechnology-Telecommunicationsandinformationexchangebetweensystems-PrivateIntegratedServicesNetwork;Inter-exchangesignallingprotocol;MessageWaitingIndicationsupplementaryservice
【原文标准名称】:信息技术.系统间远程通信和信息交换.专用综合业务网.交换间信令协议.消息等待指示补充业务
【标准号】:ISO/IEC15506-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-04
【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/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;信令;信息交换;电信;专业网络;主电源;数据传输;文电;服务定义;PISN;信息技术;综合业务数字网络;信令系统;专用综合业务网;标志;协议;规范(验收)
【英文主题词】:Datatransmission;Definitions;Informationinterchange;Informationtechnology;Integratedservicesdigitalnetwork;Mainspowersupply;Messages;Notices;PISN;Privateintegratedservicesnetworking;Privatenetworks;Protocols;Servicedefinition;Signalling;Signallingsystems;Specification(approval);Telecommunications
【摘要】:ThisInternationalStandardspecifiesthesignallingprotocolforthesupportoftheMessageWaitingIndicationsupplementaryservice(SS-MWI)attheQreferencepointbetweenPrivateIntegratedservicesNetworkexchanges(PINXs)connectedtogetherwithinaPrivateIntegratedServicesNetwork(PISN).ThesupplementaryserviceMWIenablesaServedUsertobesentaMessageWaitingIndicationandalsoenablesthisMessageWaitingIndicationtobecancelled.TheServedUsermayalsobepermittedtointerrogatetheMessageCentreforanyMessageWaitingIndication.TheQreferencepointisdefinedinISO/IEC11579-1.ServicespecificationsareproducedinthreestagesandaccordingtothemethodspecifiedinETS300387.ThisInternationalStandardcontainsthestage3specificationfortheQreferencepointandsatisfiestherequirementsidentifiedbythestage1andstage2specificationsinISO/IEC15505.ThesignallingprotocolforSS-MWIusescertainaspectsofthegenericproceduresforthecontrolofsupplementaryservicesspecifiedinISO/IEC11582.ThisInternationalStandardalsospecifiesadditionalsignallingprotocolrequirementsforthesupportofinteractionsattheQreferencepointbetweenSS-MWIandothersupplementaryservicesandANFs.NOTE1-AdditionalinteractionsthathavenoimpactonthesignallingprotocolattheQreferencepointcanbefoundintherelevantstage1specifications.ThisInternationalStandardisapplicabletoPINXswhichcaninterconnecttoformaPISN.
【中国标准分类号】:M11
【国际标准分类号】:33_040_35
【页数】:33P;A4
【正文语种】:英语
基本信息
| 标准名称： | 火力发电厂垢和腐蚀产物分析方法 第14部分：硫酸酐的测定 铬酸钡光度法 |
| 替代情况： | 替代SD 202-1986 |
| 发布部门： | 国家能源局 |
| 发布日期： | 2012-08-23 |
| 实施日期： | 2012-12-01 |
| 首发日期： | |
| 作废日期： | |
| 出版社： | 中国电力出版社 |
| 出版日期： | 2012-12-01 |
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所属分类： 医药 卫生 劳动保护 医药 卫生 劳动保护综合 医学 医药卫生技术 医学科学和保健装置综合