【英文标准名称】:Steel-Ultrasonictestingforsteelflatproductsofthicknessequaltoorgreaterthan6mm
【原文标准名称】:钢.厚度≥6mm的扁平钢产品的超声波试验
【标准号】:ISO17577-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-09
【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/TC17
【标准类型】:()
【标准水平】:()
【中文主题词】:缺陷与故障;定义;扁平轧材;扁平钢;材料试验;无损检验;钢;试验;超声检验
【英文主题词】:Defects;Definitions;Flatrolledproducts;Flatsteels;Materialstesting;Non-destructivetesting;Steels;Testing;Ultrasonictesting
【摘要】:ThisInternationalStandardspecifiesamethodfortheautomatedand/ormanualultrasonictestingofuncoatedsteelflatproductsforinternaldiscontinuitiesbythereflectionmethod.Itisapplicabletonon-alloyedoralloyedsteelflatproducts,inanominalthicknessrangeof6mmto200mm.However,thisstandardmaybeappliedtoausteniticandaustenitic-ferriticsteels,providedthatthedifferencebetweentheamplitudeofthenoisesignalandthatoftheechodetectionthresholdissufficientforthelimitfixed.Unlessotherwiseagreed,fortestingofsteelflatproductsforweldedsteeltubes,ISO12094applies.Othermethodsoftesting(e.g.bytransmission)orothertestequipmentmaybeusedatthemanufacturer'sdiscretion,providedthattheygiveidenticalresultstothoseobtainedundertheconditionsofthisstandard.Intheeventofadispute,onlythemethoddefinedinthisstandardwillprevail.Testingofflatproducts,ofthicknesslessthan6mmandover200mm,maybethesubjectofspecialagreementsbetweenthepartiesconcerned.Theinspectionisnormallycarriedoutintheplaceofproductionoronthepremisesofthesupplier.
【中国标准分类号】:H46
【国际标准分类号】:77_040_20;77_140_50
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part3-14:Data-linklayerservicedefinition-Type14elements(IEC61158-3-14:2007);EnglishversionEN61158-3-14:2008,onlyonCD-ROM
【原文标准名称】:工业通讯网络.现场总线规范.第3-14部分:数据联络层设备定义.14型元件.仅为CD-ROM
【标准号】:DINEN61158-3-14-2008
【标准状态】:作废
【国别】:德国
【发布日期】:2008-09
【实施或试行日期】:2008-09-01
【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】: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】:1.1OverviewThispartofIEC61158providescommonelementsforbasictime-criticalmessagingcommunicationsbetweendevicesinanautomationenvironment.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.ThisstandarddefinesinanabstractwaytheexternallyvisibleserviceprovidedbytheType14fieldbusdata-linklayerintermsofa)theprimitiveactionsandeventsoftheservice;b)theparametersassociatedwitheachprimitiveactionandevent,andtheformwhichtheytake;andc)theinterrelationshipbetweentheseactionsandevents,andtheirvalidsequences.Thepurposeofthisstandardistodefinetheservicesprovidedto?theType14fieldbusapplicationlayerattheboundarybetweentheapplicationanddata-linklayersofthefieldbusreferencemodel,and?systemsmanagementattheboundarybetweenthedata-linklayerandsystemsmanagementofthefieldbusreferencemodel.1.2SpecificationsTheprincipalobjectiveofthisstandardistospecifythecharacteristicsofconceptualdata-linklayerservicessuitablefortime-criticalcommunications,andthussupplementtheOSIBasicReferenceModelinguidingthedevelopmentofdata-linkprotocolsfortime-criticalcommunications.Asecondaryobjectiveistoprovidemigrationpathsfrompreviously-existingindustrialcommunicationsprotocols.ThisspecificationmaybeusedasthebasisforformalDL-Programming-Interfaces.Nevertheless,itisnotaformalprogramminginterface,andanysuchinterfacewillneedtoaddressimplementationissuesnotcoveredbythisspecification,includinga)thesizesandoctetorderingofvariousmulti-octetserviceparameters,andb)thecorrelationofpairedrequestandconfirm,orindicationandresponse,primitives.1.3ConformanceThisstandarddonotspecifyindividualimplementationsorproducts,nordotheyconstraintheimplementationsofdata-linkentitieswithinindustrialautomationsystems.Thereisnoconformanceofequipmenttothisdata-linklayerservicedefinitionstandard.Instead,conformanceisachievedthroughimplementationofthecorrespondingdata-linkprotocolthatfulfillstheType14data-linklayerservicesdefinedinthisstandard.
【中国标准分类号】:N18;P76
【国际标准分类号】:35_100_20;35_160;35_240_50
【页数】:24P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 蕃茄 |
| 中标分类： |
农业、林业 >>
经济作物 >>
瓜果、蔬菜种植与产品 |
| 替代情况： | 调整为SB/T 10331-2000 |
| 发布日期： | 1900-01-01 |
| 实施日期： | 1988-07-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 5页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 农业 林业 经济作物 瓜果 蔬菜种植与产品