【英文标准名称】:TestMethodforConstant-TemperatureStabilityofChemicalMaterials
【原文标准名称】:化学材料的恒温稳定性的试验方法
【标准号】:ASTME487-1979
【标准状态】:作废
【国别】:美国
【发布日期】:1979
【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】:持久性;药液;稳定性;试验;材料;统计学;温度
【英文主题词】:chemicals;temperature;materials;statistics;stability;permanency;testing
【摘要】:
【中国标准分类号】:G04
【国际标准分类号】:71_040_40
【页数】:3P;A4
【正文语种】:英语


【英文标准名称】:Acousticqualityinsmalltomedium-sizedrooms
【原文标准名称】:在小到中型房间内的音质
【标准号】:DIN18041-2004
【标准状态】:现行
【国别】:德国
【发布日期】:2004-05
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:音质;声学;可听度;听度;建筑;建设工程;定义;尺寸;距离;听力障碍;听力丧失;干扰噪声;听觉损失;响度;噪声控制;混响;混响时间;房屋;房屋尺寸;省吸收;吸声;吸声系数;语音清晰度;音量
【英文主题词】:Acousticalquality;Acoustics;Audibility;Audiobility;Construction;Constructionworks;Definition;Definitions;Dimensions;Distance;Hardnessofhearing;Hearingdisability;Interferingnoise;Lossofhearing;Loudnesslevel;Noisecontrol(acoustic);Reverberation;Reverberationtime;Rooms;Sizeofroom;Soundabsoption;Soundabsorption;Soundabsorptioncoefficient;Speechintelligibility;Volume(sound)
【摘要】:Thisstandardappliestosmalltomedium-sizedroomswitharoomvolumeuptoabout5000m3,andtosportshallsandswimmingbathswithoutpublicpresentupto8500m3involume.Itspecifiesacousticrequirementsanddesignguidelinestoensuregoodacousticquality,primarilyofspokencommunication,insuchrooms.Inthisstandardadifferentiationismadebetweenacousticqualityovermediumandlargedistances(groupArooms),forinstanceinconferencerooms,courtrooms,councilchambersandfunctionrooms,classrooms,seminarrooms,lecturetheatres,conventionroomsandinteractionrooms,grouproomsinnurseryschoolsandchildren'sdaycarecentres,seniordaycarecentres,communityrooms,sportshalls,swimmingbaths,andsmalldistances(groupBrooms),forinstanceinsalesrooms,eatingplaces,publicareasforshort-andlong-distancepublictransportation,ticketdesksandbankcounters,consultingroomsinsolicitors'anddoctors'practices,officeareas,municipalpublicoffices,operatingtheatres,treatmentrooms,sickrooms,rehabilitationrooms,workrooms(e.g.trainingworkshops),publicareas,librariesandreadingrooms.NOTEIIngroupAroomsasinthisstandard,theacousticqualityoversmallerdistancesisalsoensured.However,ingroupBrooms,theacousticqualityovergreaterdistancesisseverelylimited.Thestandarddoesnotcovertheacousticqualityofroomswithspecialrequirements,suchastheatres,concerthalls,cinemas,sacredspaces,orinroomsforthehigh-qualityrecordingofmusicandspeech(e.g.studios,centralcontrolroomsforradio,film,televisionandsoundstoragemediaproductions).However,thisstandardcanbeappliedbyanalogytoroomsforgeneralmusicalpresentations,multipurposerooms(e.g.townhalls)andallroomswithalargevolumeuptoabout30000m3.NOTE2Asarule,theneedsofpeoplewithimpairedhearingaretobeconsideredatthedesignstage.Itshouldbeborneinmindthatspokencommunicationnotonlytakesplacein"functionrooms",butinalllocationswherepeoplecongregate.Thestandardaddressesarchitects,buildingdesigners,buildingowners,andspecialistengineerswhoareinvolvedintheplanningandconstructionofroomscoveredbythisstandard.
【中国标准分类号】:P31
【国际标准分类号】:17_140_01
【页数】:35P.;A4
【正文语种】:英语