您的位置: 标准下载 » 国际标准 » EN 欧洲标准 »

EN 61158-3-12-2008 工业通讯网络.现场总线规范.第3-12部分:数据联络层设备定义.12型元件.仅为CD-ROM

作者:标准资料网 时间:2024-05-07 23:49:08  浏览:9670   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part3-12:Data-linklayerservicedefinition-Type12elements(IEC61158-3-12:2007);EnglishversionEN61158-3-12:2008,onlyonCD-ROM
【原文标准名称】:工业通讯网络.现场总线规范.第3-12部分:数据联络层设备定义.12型元件.仅为CD-ROM
【标准号】:EN61158-3-12-2008
【标准状态】:现行
【国别】:
【发布日期】:2008-09
【实施或试行日期】:2008-09-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:总线系统;总线;电路网络;通信;控制设备;控制系统;控制工艺学;数据通信;数据链层;数据连接系统;数据处理;数据设备;数据传送;定义;数字的;数字数据;数字工程;电子数据处理;电气工程;电子仪器;电子系统;英语;现场总线;制导系统;工业的;工业设施;信息交换;信息处理;信息技术;接口(数据处理);链路层;开放系统互连;OSI;过程控制;过程控制工程;过程控制系统;信号;规范;规范(验收);传输媒质
【英文主题词】:Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Controlequipment;Controlsystems;Controltechnology;Datacommunication;Datalinklayers;Datalinksystem;Dataprocessing;Dataservices;Datatransfer;Definition;Definitions;Digital;Digitaldata;Digitalengineering;EDP;Electricalengineering;Electronicinstruments;Electronicsystems;Englishlanguage;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces(dataprocessing);Linklayers;Opensystemsinterconnection;OSI;Processcontrol;Processcontrolengineering;Processcontrolsystems;Signals;Specification;Specification(approval);Transmissionmedia
【摘要】:
【中国标准分类号】:P76;N18
【国际标准分类号】:35_100_20;35_160;35_240_50
【页数】:44P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforSequentialBatchExtractionofWastewithWater
【原文标准名称】:含水废弃物的连续成批萃取的标准试验方法
【标准号】:ASTMD4793-2009
【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】:D34.01.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:extract;extractionfluid;leaching;sequentialbatchextraction;wasteleachingtechnique;Acidity,alkalinity,pH--chemicals;Batchprocedures;Bufferingaction;Chemicalanalysis--waste;Extractionmethods;Filters/filterprocedures;Leachates/leach
【摘要】:Thistestmethodisintendedasameansforobtainingsequentialextractsofawaste.Theextractsmaybeusedtoestimatethereleaseofcertainconstituentsofthewasteunderthelaboratoryconditionsdescribedinthistestmethod.Thistestmethodisnotintendedtoprovideextractsthatarerepresentativeoftheactualleachateproducedfromawasteinthefieldortoproduceextractstobeusedasthesolebasisofengineeringdesign.Thistestmethodisnotintendedtosimulatesite-specificleachingconditions.Ithasnotbeendemonstratedtosimulateactualdisposalsiteleachingconditions.AnintentofthistestmethodisthatthefinalpHofeachoftheextractsreflectstheinteractionoftheextractantwiththebufferingcapacityofthewaste.AnintentofthistestmethodisthatthewaterextractionsreflectconditionswherethewasteisthedominantfactorindeterminingthepHoftheextracts.Thistestmethodproducesextractsthatareamenabletothedeterminationofbothmajorandminorconstituents.Whenminorconstituentsarebeingdetermined,itisespeciallyimportantthatprecautionsaretakeninsamplestorageandhandlingtoavoidpossiblecontaminationofthesamples.Thistestmethodhasbeentestedtodetermineitsapplicabilitytocertaininorganiccomponentsinthewaste.Thistestmethodhasnotbeentestedforapplicabilitytoorganicsubstances,volatilematter(seeNote3in5.15),orbiologicallyactivesamples.Theagitationtechnique,rate,liquid-to-solidratio,andfiltrationconditionsspecifiedintheproceduremaynotbesuitableforextractingalltypesofwastes(seeSections7,8,andthediscussioninAppendixX1).1.1Thistestmethodisaprocedureforthesequentialleachingofawastecontainingatleastfive%solidstogeneratesolutionstobeusedtodeterminetheconstituentsleachedunderthespecifiedtestingconditions.1.2Thistestmethodcallsfortheshakingofaknownweightofwastewithwaterofaspecifiedpurityandtheseparationoftheaqueousphaseforanalysis.Theprocedureisconductedtentimesinsequenceonthesamesampleofwasteandgeneratestenaqueoussolutions.1.3Thistestmethodisintendedtodescribetheprocedureforperformingsequentialbatchextractionsonly.Itdoesnotdescribealltypesofsamplingandanalyticalrequirementsthatmaybeassociatedwithitsapplication.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:
【页数】:10P.;A4
【正文语种】:英语


【英文标准名称】:Wroughtcopperalloys;copper-aluminiumalloys;(aluminiumbronze);composition
【原文标准名称】:铜塑性合金.铜铝合金(铝青铜).成分
【标准号】:DIN17665-1967
【标准状态】:作废
【国别】:
【发布日期】:
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】: