标准资料网-标准资料免费资源平台

【英文标准名称】:Informationtechnology-CDIFsemanticmetamodel-State/eventmodels
【原文标准名称】:信息技术.CDIF语意元模式.状态/事件模型
【标准号】:BSISO/IEC15476-6-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-03-16
【实施或试行日期】:2006-03-16
【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】:通路;计算机辅助软件工程数据交换格式;数据;数据元;数据格式;数据模型;数据处理;数据传送;数据库语言;事件;信息交换;信息技术;铸模;语义学
【英文主题词】:Access;CDIF;Data;Dataelements;Dataformats;Datamodels;Dataprocessing;Datatransfer;Databaselanguages;Event;Informationinterchange;Informationtechnology;Modelling;Semantics
【摘要】:TheCDIFfamilyofInternationalStandardsisprimarilydesignedtobeusedasadescriptionofamechanismfortransferringinformationbetweenmodellingtools.ItfacilitatesasuccessfultransferwhentheauthorsoftheimportingandexportingtoolshavenothingincommonexceptanagreementtoconformtoCDIF.Thelanguagethatisdefinedforthetransferformatalsohasapplicabilityasagenerallanguageforimport/exportfromrepositories.TheCDIFsemanticmetamodeldefinedforCASEalsohasapplicabilityasthebasisofstandarddefinitionsforuseinrepositories.TheInternationalStandardswhichformthecompletefamilyofCDIFstandardsaredocumentedinISO/IEC15474-1:2002,Informationtechnology—CDIFframework—Part1:Overview.Thesestandardscovertheoverallframework,thetransferformatandtheCDIFsemanticmetamodel.ThisInternationalStandarddefinestheState/EventSubjectAreaoftheCDIFsemanticmetamodel.Thissubjectareacontainsmeta-objectsthatdescribetheentitiesofstatetransitiondiagramsandstatetransitiontables,andalsometa-relationshipsandmeta-attributesthatarenecessaryforavailablestatetransition.
【中国标准分类号】:L77
【国际标准分类号】:35_080
【页数】:26P.;A4
【正文语种】:英语


【英文标准名称】:Mechanicalvibration-Ground-bornenoiseandvibrationarisingfromrailsystems-Part1:Generalguidance
【原文标准名称】:机械振动.轨道系统产生的地面噪音和振动.第1部分:一般指南
【标准号】:ISO14837-1-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-07
【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/TC108
【标准类型】:()
【标准水平】:()
【中文主题词】:空气污染;空气噪声;空气(载)声;原因;定义;效果;辐射;环境条件;指导手册;测量;测量技术;噪声源;感觉;预测;量化;轨道;铁路运输;铁路设施;铁路固定设备;铁道车辆;铁路;声源;源泉(水);结构噪声;心土;交通道路;传输;隧道;地下铁道;振动;振动工程;振动测量
【英文主题词】:Airpollution;Airbornenoise;Airbornesound;Causes;Definitions;Effect;Emission;Environmentalconditions;Guidebooks;Measurement;Measuringtechniques;Noisesources;Perception;Prediction;Quantification;Railtracks;Railtransport;Railwayapplications;Railwayfixedequipment;Railwayvehicles;Railways;Soundsources;Springs(water);Structure-bornenoise;Subsoil;Trafficways;Transmittances;Tunnels;Undergroundrailways;Vibration;Vibrationengineering;Vibrationmeasurement;Vibrations
【摘要】:ThispartofISO14837providesgeneralguidanceonground-bornevibrationgeneratedbytheoperationofrailsystems,andtheresultantground-bornenoiseinbuildings.Itliststhefactorsandparametersthatneedtobetakenintoconsiderationandoffersguidanceonpredictionmethodsappropriateforarangeofcircumstances(e.g.tosupporttheassessmentofeffectsonhumanoccupantsandsensitiveequipmentoroperationsinsidethebuildingsinadditiontothepredictionsrequiredtoassesstheriskofdamagetobuildingstructures).AttentionispaidinthispartofISO14837to?characteristicsofthesource:emission(e.g.train,wheel,rail,track,supportinginfrastructure),?propagationpath:transmission(e.g.groundcondition,distance),and?receivingstructures:immission:(e.g.foundations,formofbuildingconstruction).Theguidancecoversallformsofwheelandrailsystems,fromlight-railtohigh-speedtrainsandfreight.ThispartofISO14837providesguidanceforrailsystemsat-grade,onelevatedstructuresandintunnels.ThispartofISO14837doesnotdealwithvibrationarisingfromtheconstructionandmaintenanceoftherailsystem.Itdoesnotdealwithairbornenoise.Structure-radiatednoisefromelevatedstructures,whichcanhaveasignificantenvironmentalimpact,isalsoexcluded.
【中国标准分类号】:J04
【国际标准分类号】:03_220_30;17_140_30;17_160
【页数】:45P.;A4
【正文语种】:英语