ANSI O1.1-2009 木材机械.安全性要求
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来源:标准资料网
【英文标准名称】:WoodworkingMachinery-SafetyRequirements
【原文标准名称】:木材机械.安全性要求
【标准号】:ANSIO1.1-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:木器工具;切削机;定义(术语);设计;钻床;装置;维修;凿榫机;危险防护;安全性要求;砂轮机;锯床;木工机械;工作场所安全性
【英文主题词】:Carpentryinstruments;Cuttingmachines;Definitions;Design;Drillingmachines;Installations;Maintenance;Mortisingmachines;Protectionagainstdanger;Safetyrequirements;Sanders;Sawingmachines;Woodworkingmachines;Workplacesafety
【摘要】:Thisstandardcoversthesafetyrequirementsforthedesign,installation,careanduseofwoodworkingmachineryandaccessoryequipment,usedinindustrialandcommercialapplications,havingatotalconnectedpowerof5hp(3.7kw)orgreater,orhaving3-phasewiring.
【中国标准分类号】:J65
【国际标准分类号】:79_120_10
【页数】:
【正文语种】:英语
【英文标准名称】:Acoustics-Determinationofsoundabsorptioncoefficientandimpedanceinimpedancetubes-Part2:Transfer-functionmethod
【原文标准名称】:声学阻抗管中吸声系数和比阻抗率的测量第2部分:传递函数法
【标准号】:ISO10534-2-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-11
【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/TC43
【标准类型】:()
【标准水平】:()
【中文主题词】:测定;声学;声音吸收;传输;声学测量;声学试验;吸声系数;建筑声学;吸声;声试验
【英文主题词】:Acousticabsorption;Acousticmeasurement;Acoustictesting;Acoustics;Buildingacoustics;Determination;Soundabsorption;Soundabsorptioncoefficient;Transmission
【摘要】:Thistestmethodcoverstheuseofanimpedancetube,twomicrophonelocationsandadigitalfrequencyanalysissystemforthedeterminationofthesoundabsorptioncoefficientofsoundabsorbersfornormalsoundincidence.Itcanalsobeappliedforthedeterminationoftheacousticalsurfaceimpedanceorsurfaceadmittanceofsoundabsorbingmaterials.Sincetheimpedanceratiosofasoundabsorptivematerialarerelatedtoitsphysicalproperties,suchasairflowresistance,porosity,elasticityanddensity,measurementsdescribedinthistestmethodareusefulinbasicresearchandproductdevelopment.ThetestmethodissimilartothetestmethodspecifiedinISO10534-1inthatitusesanimpedancetubewithasoundsourceconnectedtooneendandthetestsamplemountedinthetubeattheotherend.However,themeasurementtechniqueisdifferent.Inthistestmethod,planewavesaregeneratedinatubebyanoisesource,andthedecompositionoftheinterferencefieldisachievedbythemeasurementofacousticpressuresattwofixedlocationsusingwall-mountedmicrophonesoranin-tubetraversingmicrophone,andsubsequentcalculationofthecomplexacoustictransferfunction,thenormalincidenceabsorptionandtheimpedanceratiosoftheacousticmaterial.Thetestmethodisintendedtoprovideanalternative,andgenerallymuchfaster,measurementtechniquethanthatofISO10534-1.ComparedwiththemeasurementofthesoundabsorptioninareverberationroomaccordingtothemethodspecifiedinISO354,therearesomecharacteristicdifferences.Thereverberationroommethodwill(underidealconditions)determinethesoundabsorptioncoefficientfordiffusesoundincidence,andthemethodcanbeusedfortestingofmaterialswithpronouncedstructuresinthelateralandnormaldirections.However,thereverberationroommethodrequirestestspecimenswhichareratherlarge,soitisnotconvenientforresearchanddevelopmentwork,whereonlysmallsamplesoftheabsorberareavailable.Theimpedancetubemethodislimitedtoparametricstudiesatnormalincidencebutrequiressamplesofthetestobjectwhichareofthesamesizeasthecross-sectionoftheimpedancetube.Formaterialsthatarelocallyreacting,diffuseincidencesoundabsorptioncoefficientscanbeestimatedfrommeasurementresultsobtainedbytheimpedancetubemethod.Fortransformationofthetestresultsfromtheimpedancetubemethod(normalincidence)todiffusesoundincidence,seeannexF.
【中国标准分类号】:A42
【国际标准分类号】:17_140_01
【页数】:27P;A4
【正文语种】:英语
【英文标准名称】:Influenceofcementitiousproductsonwaterintendedforhumanconsumption-Testmethods-Part1:influenceoffactorymadecementitiousproductsonorganolepticparameters.
【原文标准名称】:水泥板对人类用水的影响.试验方法.第1部分:水泥板制造厂对感官参数的影响
【标准号】:NFP41-034-1-2006
【标准状态】:现行
【国别】:法国
【发布日期】:2006-07-01
【实施或试行日期】:2006-07-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:物品;水泥胶接;定义;染色;配件;工业产品;影响;材料;方法;迁移;气味;器官感觉;管;饮用水;生产;产品;试样;抽样方法;可用水;规范(验收);试样制备;味觉;试验设备;试验;试验条件;水;水常规;水常规(实验);给水
【英文主题词】:
【摘要】:
【中国标准分类号】:C53
【国际标准分类号】:13_060_20;67_250
【页数】:53P;A4
【正文语种】:其他
