BS 3712-3-1974 建筑施工用密封胶.第3部分:使用寿命,结皮特性和粘性消失时间试验方法

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下一篇: BS 3733-1974 农用环型三角皮带传动规范

【英文标准名称】:Mechanicalvibrationandshock-Evaluationofhumanexposuretowhole-bodyvibration-Part4:Guidelinesfortheevaluationoftheeffectsofvibrationandrotationalmotiononpassengerandcrewcomfortinfixed-guidewaytransportsystems
【原文标准名称】:机械振动和冲击人体全身振动的评价第4部分：在固定导轨运输系统中振动和旋转运动对乘客和乘务员舒适度的影响的评价指南
【标准号】:ISO2631-4-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-02
【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】:固定的;人类工效学;全身振动;测量;转动;振动影响(对人体);评定;振动;虚线;人体;导轨;客运;人;运输;船员
【英文主题词】:Crew;Dottedlines;Ergonomics;Evaluation;Fixed;Guideway;Humanbody;Measurement;Passengertraffic;People;Rotationalmotion;Transport;Vibration;Vibrationeffects(humanbody);Wholebodyvibrations
【摘要】:ThispartofISO2631providesguidanceontheapplicationofISO2631-1totheevaluationoftheeffectsofmechanicalvibrationonthecomfortofpassengersandcrewinfixed-guidewaysystems.Itisintendedtobeusedbyorganizationswhichpurchase,specifyorusefixed-guidewaysystems,tohelpthemtounderstandtherelationshipbetweenthedesignoftheguidewayaswellasotherfeaturesofthesystemandthecomfortofpassengersandcrew.Theseguidelinesestablishmethodsfortheevaluationofrelativecomfortbetweensystems,asopposedtoabsolutelevelsofcomfort.ThispartofISO2631isapplicabletopeopleinnormalhealthexposedtorectilinearvibrationalongtheirx-,y-andz-axes,aswellasrotationalvibrationaboutthese(body-centred)axes.Itisintendedtoprovideguidanceontheassessmentofcomfortasafunctionofmotionsalongandaboutvehicleaxesthatproducethebodymotions.TtitepartofISO2631isnotapplicabletohigh-amplitudesingletransientswhichmaycausetrauma,suchasthoseresultingfromvehicleaccidentsor"run-ins"producedby"longitudinalslackaction",norisitapplicabletohigh-amplitudevibrationwhichmayaffecthealth.ForthepurposesofthispartofISO2631,fixed-guidewaypassengersystemsincluderailsystems(heavyandlightrail),magneticallylevitated(MAGLEV)systemsandrubbertyremetro-typesystems,aswellasanyofthesystemtypeslistedabovethatincorporateatiltcapabilitytocompensateforlateralaccelerationwhentraversingcurves.ThispartofISO2631providesguidanceontheeffectsofverylow-frequencyaccelerations(0,1Hzto0,5Hz)experiencedasverticalforcesthatmaycausekinetosis.Theseforcesmaybecausedbycombinationsofcurvetransition,super-elevationandtilt-bodytechnology.However,thispartofISO2631isnotintendedtogiveguidanceoncomfortimplicationsofverylow-frequencyaccelerations(below0,5Hz)experiencedaslateralorlongitudinalforces.Suchaccelerationscanbegeneratedbyguidewaygeometry(horizontalalignmentandcant).ThispartofISO2631givesguidanceontheevaluationofridecomfortbasedonmotionenvironmentonly.
【中国标准分类号】:C52;J04
【国际标准分类号】:13_160;45_060_01
【页数】:9P.;A4
【正文语种】:英语


【英文标准名称】:Informationtechnology-Codingofaudio-visualobjects-Part9:Referencehardwaredescription
【原文标准名称】:信息技术.音,视频对象编码.第9部分:参考软件描述
【标准号】:ANSI/INCITS/ISO/IECTR14496-9-2011
【标准状态】:现行
【国别】:美国
【发布日期】:2011
【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】:Acousticsignals;Audiovisual;Circuitnetworks;Codedrepresentation;Codification;Coding(dataconversion);Computergraphics;Dataprocessing;Formats;Functionality;Hardware;Imageprocessing;Informationinterchange;Informationtechnology;MPEG;Multimedia;Object;Systemarchitecture;Systemengineering;Videosignals
【摘要】:
【中国标准分类号】:L71
【国际标准分类号】:35_040
【页数】:
【正文语种】:英语