您的位置: 标准下载 » 国际标准 » DIN 德国标准 »

DIN ETS 300764-1998 数字无线电信(DECT).移动通信用全球系统(GSM).数字增强无线远程通信(DECT)/移动通信用全球系统(GSM)互连的协议子集(IWP).点到点和手机广播信息服务的执行;英文版本ETS300754:1997

作者:标准资料网 时间:2024-05-09 14:45:44  浏览:9115   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:DigitalEnhancedCordlessTelecommunications(DECT)-GlobalSystemforMobilecommunications(GSM)-DECT/GSMInterworkingProfile(IWP)-Implementationofshortmessageservice,point-to-pointandcell-broadcast;EnglishversionETS300754:1997
【原文标准名称】:数字无线电信(DECT).移动通信用全球系统(GSM).数字增强无线远程通信(DECT)/移动通信用全球系统(GSM)互连的协议子集(IWP).点到点和手机广播信息服务的执行;英文版本ETS300754:1997
【标准号】:DINETS300764-1998
【标准状态】:现行
【国别】:德国
【发布日期】:1998-06
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:无线的;点对点连接;广播信号;广播;公共的;电信;无线电工程;服务定义;无线电设备;无线通信业务;移动无线电通信系统;执行;信号传输;定义;数字的
【英文主题词】:Broadcastsignals;Broadcasting;Cordless;DECT;Definition;Definitions;Digital;Implementation;Mobileradiosystems;Point-to-pointconnection;Public;Radioengineering;Radioequipment;Radiosystems;Servicedefinition;Shortmessages;Signaltransmission;Telecommunication;Telecommunications;Wirelesscommunicationservices
【摘要】:ThedocumentspecifiesthePortablePartandFixedPartinterworkingrequirements/mappingsnecessarytoensurethatGSMshortmessageservicespoint-to-pointandcellbroadcastcanbeprovidedoverDECT.
【中国标准分类号】:M36
【国际标准分类号】:33_070_30
【页数】:59P.;A4
【正文语种】:德语


下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforPhosphonateinBrines
【原文标准名称】:海水中磷酸酯的试验方法
【标准号】:ASTMD6501-2009
【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】:D19.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:analysis;brine;colorimetric;phosphonate;scaleinhibitor;Brackishwater/brines;Colorimetricanalysis--water;Orthophosphateconversion;Phosphonate(PNA);Scaleinhibitor
【摘要】:Thistestmethodisusefulforthedeterminationoftracelevelphosphonateresiduesinbrines.Chemicaltreatmentwhichcontainphosphonatesareusedasmineralscaleandcorrosioninhibitorsingasandoildrillingandproductionoperations;andotherindustrialapplications.Often,thedecisionfortreatmentisbasedontheabilitytomeasurelowphosphonateconcentrationandnotuponperformancecriteria.Phosphonateconcentrationsaslowas0.16mg/Lhavebeenshowneffectiveincarbonatescaletreatment.Thistestmethodenablesthemeasurementofsub-mg/Lphosphonateconcentrationinbrinescontaininginterferingelements.Theprocedureincludesmeasuringtotal(see12.3.8)andfreeorthophosphate(see12.4.3)ionsandthedifferenceinconcentrationisthephosphonateconcentration.Thesamplecouldcontainorthophosphatenaturally,orfromdecompositionofthephosphonateduringprocessingorwelltreatmentorfromtreatingcompoundscontainingmoleculardehydratedphosphates.1.1Thistestmethodcoversthecolorimetricdeterminationofphosphonate(PNA)inbrinesfromgasandoilproductionoperationsintherangefrom0.1to5mg/L.1.2Thisphosphonatemethodisintendedforusetoanalyzelowconcentrationofphosphonateinbrinecontaininginterferingelements.Thistestmethodismostusefulforanalyzingphosphonateat0.1to1mg/Lrangeinbrineswithinterferingelements;however,itrequirespersonnelwithgoodanalyticalskill.1.3Thistestmethodhasbeenusedsuccessfullywithreagentwaterandbothfieldandsyntheticbrine.Itistheuser''sresponsibilitytoensurethevalidityofthistestmethodforwatersofuntestedmatrices.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,see9.1.3.
【中国标准分类号】:Z17
【国际标准分类号】:75_020
【页数】:10P.;A4
【正文语种】:英语


【英文标准名称】:Informationtechnology;telecommunicationsandinformationexchangebetweensystems;OpenSystemsInterconnection;protocolforprovidingtheconnection-modetransportservice(ISO/IEC8073:1992andTechnicalCorrigendum1:1993);EnglishversionEN28073:
【原文标准名称】:信息技术.系统间电讯和信息交换.开式系统通讯.提供定向连接传送服务的记录
【标准号】:DINEN28073-1994
【标准状态】:作废
【国别】:德国
【发布日期】:1994-03
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:传送协议;电信;数据传送;信息交换;开式系统互连;信息处理;网络互连;协议;传输协议;控制规程;通信规程;传送层;传送服务;数据处理
【英文主题词】:
【摘要】:
【中国标准分类号】:M11
【国际标准分类号】:35_100_40
【页数】:141P;A4
【正文语种】:德语