ASTM D 6480-1999 用传输电子显微镜检查法对石棉结构数密度进行表面抽样、间接制备和分析的标准试验方法
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【英文标准名称】:StandardTestMethodforWipeSamplingofSurfaces,IndirectPreparation,andAnalysisforAsbestosStructureNumberConcentrationbyTransmissionElectronMicroscopy
【原文标准名称】:用传输电子显微镜检查法对石棉结构数密度进行表面抽样、间接制备和分析的标准试验方法
【标准号】:ASTMD6480-1999
【标准状态】:作废
【国别】:美国
【发布日期】:1999
【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】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:表面抽样;TEM;抹抽;石棉
【英文主题词】:asbestos;surfacesampling;tem;wipesampling
【摘要】:
【中国标准分类号】:D53
【国际标准分类号】:13_300
【页数】:15P;A4
【正文语种】:英语
【英文标准名称】:Textiles.Testsforcolourfastness.Instrumentalassessmentofchangeofcolourfordeterminationofgreyscalerating
【原文标准名称】:纺织品.色牢度试验.色泽变化等级测定和仪器评定
【标准号】:BSENISO105-A05-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-08-15
【实施或试行日期】:1997-08-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:CIELAB公式;布;颜色变化;色差;色牢度;色值;色牢度试验;比较试验;染色;评估;织物试验;灰度;仪器分析法;数学计算;试验设备;试样;试验;纺织试验;纺织材料
【英文主题词】:CIELABformulae;Cloth;Colourchanges;Colourdifferences;Colourfastness;Colourvalue;Colour-fastnesstests;Comparativetests;Dyeing;Evaluations;Fabrictesting;Grayscale;Instrumentalmethodsofanalysis;Mathematicalcalculations;Testequipment;Testspecimens;Testing;Textiletesting;Textiles
【摘要】:ThispartofISO105specifiesaninstrumentalmethodforassessingthechangeincolourofatestspecimenincomparisontoanidenticaluntreatedreference,andthecalculationsundertakentoconverttheinstrumentalmeasurementsintoagreyscalerating.Thismethodisintendedasanalternativetothemanynationalmethodsforvisualevaluationoftheeffectofacolourfastnesstestonanytextilematerial.NOTE1Theremaybeadifferencebetweeninstrumentalandvisualassessmentsofspecimensduetofluorescence,and/orotherfactors.
【中国标准分类号】:W55
【国际标准分类号】:59_080_01
【页数】:14P.;A4
【正文语种】:英语
【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part3-16:Data-linklayerservicedefinition-Type16elements
【原文标准名称】:工业通信网络.现场总线规范.数据链路层服务定义.16型元件
【标准号】:BSEN61158-3-16-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2009-01-31
【实施或试行日期】:2009-01-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【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;数据服务;数据传送;定义;数字的;数字数据;数字工程;EDP;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;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;Interfaces(dataprocessing);Linklayers;Opensystemsinterconnection;OSI;Processcontrol;Processcontrolengineering;Processcontrolsystems;Signals;Specification;Specification(approval);Transmissionmedia
【摘要】:1.1OverviewThisstandardprovidescommonelementsforbasictime-criticalmessagingcommunicationsbetweendevicesinanautomationenvironment.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.ThisstandarddefinesinanabstractwaytheexternallyvisibleserviceprovidedbytheType16fieldbusdata-linklayerintermsofa)theprimitiveactionsandeventsoftheservice;b)theparametersassociatedwitheachprimitiveactionandevent,andtheformwhichtheytake;andc)theinterrelationshipbetweentheseactionsandevents,andtheirvalidsequences.Thepurposeofthisstandardistodefinetheservicesprovidedto?theType16fieldbusapplicationlayerattheboundarybetweentheapplicationanddatalinklayersofthefieldbusreferencemodel,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.1.3ConformanceThisstandarddoesnotspecifyindividualimplementationsorproducts,nordotheyconstraintheimplementationsofdata-linkentitieswithinindustrialautomationsystems.Thereisnoconformanceofequipmenttothisdata-linklayerservicedefinitionstandard.Instead,conformanceisachievedthroughimplementationofthecorrespondingdata-linkprotocolthatfulfillstheType16data-linklayerservicesdefinedinthisstandard.
【中国标准分类号】:M10;L79
【国际标准分类号】:25_040_40;35_100_20;35_240_50
【页数】:30P.;A4
【正文语种】:英语
