EN ISO 11064-4-2004 控制中心的人类工效学设计.第4部分:工作站的布置和尺寸
作者:标准资料网 时间:2024-05-18 00:45:26 浏览:9995
来源:标准资料网
【英文标准名称】:Ergonomicdesignofcontrolcentres-Part4:Layoutanddimensionsofworkstations(ISO11064-4:2004);GermanversionENISO11064-4:2004
【原文标准名称】:控制中心的人类工效学设计.第4部分:工作站的布置和尺寸
【标准号】:ENISO11064-4-2004
【标准状态】:现行
【国别】:
【发布日期】:2004-10
【实施或试行日期】:
【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】:定义;安全器件;控制间;中心办公室;工作地点;布置;人机;目视显示工作站;人类工效学;工作系统;工作场所;监视装置;原则;自然工作条件;设计;维修;操作的组织
【英文主题词】:Anthropometry;Audiobility;Centralheadoffices;Consoles;Controlrooms;Definition;Definitions;Design;Ergonomics;Layout;Maintenance;Man-machine;Mixedwork;Monitoringdevice;Organizationofoperations;Principles;Rangeofaudibility;Seatedworkposition;Seatingheights;Seatingposture;Securitydevices;Standingworkposition;Visualdisplayworkstations;Visualdistance;Workplacelayout;Workspaces;Worksystems;Workingconditions(physical);Workingplaces
【摘要】:
【中国标准分类号】:A25
【国际标准分类号】:13_180;25_040_40
【页数】:38P.;A4
【正文语种】:英语
【英文标准名称】:TestMethodforVerticalReboundCharacteristicsofSportsSurface/BallSystems;AcousticalMeasurement
【原文标准名称】:球类运动场垂直回弹特性试验方法.声学测量
【标准号】:ANSI/ASTMF2117-2001
【标准状态】:作废
【国别】:美国
【发布日期】:2001
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Acousticmeasurement;Acoustics;Ballgames;Balls;Metrology;Sports;Sportsfacilities;Surfaces;Testing;Vertical
【摘要】:Thistestmethodcoversthequantitativemeasurementandnormalizationoftheverticalreboundproducedduringimpactsbetweenathleticballsandathleticsurfaces.Measurementsmaybeconductedonnonathleticsurfacestotesttheperformancepropertiesoftheball.Measurementsmaybeconductedusingnonathleticballstotesttheperformancepropertiesofthesurface.Thevaluesstatedinmetricunitsaretoberegardedasthestandard.Theinch-poundunitsgiveninparenthesesareforreferenceonly.Themethodsdescribedareapplicableinbothlaboratoryandfieldsettings.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y55
【国际标准分类号】:17_140_99;97_220_10
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforCalibratingandMeausringCTDensity
【原文标准名称】:校准和测量计算机断层摄影密度的标准试验方法
【标准号】:ASTME1935-1997(2003)
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:E07.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:计算机断层摄影;对比敏感度;计算机断层摄影密度分辨;密度校准;线性衰减系数;质量衰减系数
【英文主题词】:computedtomography;contrastsensitivity;CTdensityresolution;densitycalibration;linearattenuationcoefficient;massattenuationcoefficient
【摘要】:ThistestmethodallowsspecificationofthedensitycalibrationprocedurestobeusedtocalibrateandperformmaterialdensitymeasurementsusingCTimagedata.Suchmeasurementscanbeusedtoevaluateparts,characterizeaparticularsystem,orcomparedifferentsystems,providedthatobservedvariationsaredominatedbytruechangesinobjectdensityratherthanbyimageartifacts.ThespecifiedproceduremayalsobeusedtodeterminetheeffectiveX-rayenergyofaCTsystem.TherecommendedtestmethodismoreaccurateandlesssusceptibletoerrorsthanalternativeCT-basedapproaches,becauseittakesintoaccounttheeffectiveenergyoftheCTsystemandtheenergy-dependenteffectsoftheX-rayattenuationprocess.This(orany)testmethodformeasuringdensityisvalidonlytotheextentthatobservedCT-numbervariationsarereflectiveoftruechangesinobjectdensityratherthanimageartifacts.Artifactsarealwayspresentatsomelevelandcanmasqueradeasdensityvariations.Beamhardeningartifactsareparticularlydetrimental.Itistheresponsibilityoftheusertodetermineorestablish,orboth,thevalidityofthedensitymeasurements;thatis,theyareperformedinregionsoftheimagewhicharenotoverlyinfluencedbyartifacts.Linearattenuationandmassattenuationmaybemeasuredinvariousways.Foradiscussionofattenuationandattenuationmeasurement,seeGuideE1441andPracticeE1570.FIG.1DensityCalibrationPhantom1.1ThistestmethodcoversinstructionfordeterminingthedensitycalibrationofX-and947;-raycomputedtomography(CT)systemsandforusingthisinformationtomeasurematerialdensitiesfromCTimages.ThecalibrationisbasedonanexaminationoftheCTimageofadiskofmaterialwithembeddedspecimensofknowncompositionanddensity.ThemeasuredmeanCTvaluesoftheknownstandardsaredeterminedfromananalysisoftheimage,andtheirlinearattenuationcoefficientsaredeterminedbymultiplyingtheirmeasuredphysicaldensitybytheirpublishedmassattenuationcoefficient.Thedensitycalibrationisperformedbyapplyingalinearregressiontothedata.Oncecalibrated,thelinearattenuationcoefficientofanunknownfeatureinanimagecanbemeasuredfromadeterminationofitsmeanCTvalue.Itsdensitycanthenbeextractedfromaknowledgeofitsmassattenuationcoefficient,oronerepresentativeofthefeature.1.2CTprovidesanexcellentmethodofnondestructivelymeasuringdensityvariations,whichwouldbeverydifficulttoquantifyotherwise.Densityisinherentlyavolumetricpropertyofmatter.Asthemeasurementvolumeshrinks,localmaterialinhomogeneitiesbecomemoreimportant;andmeasuredvalueswillbegintovaryaboutthebulkdensityvalueofthematerial.1.3AllvaluesarestatedinSIunits.1.4Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:35_240_80
【页数】:5P.;A4
【正文语种】:
