SAE AMS5334 Steel, Investment Castings, 0.50Cr - 0.55Ni - 0.20Mo (0.25 - 0.35C) (SAE 8630 Mod), Normalized and Tempered
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来源:标准资料网
Product Code:SAE AMS5334
Title:Steel, Investment Castings, 0.50Cr - 0.55Ni - 0.20Mo (0.25 - 0.35C) (SAE 8630 Mod), Normalized and Tempered
Issuing Committee:Ams E Carbon And Low Alloy Steels Committee
Scope:This specification covers a low-alloy steel in the form of investment castings.
基本信息
| 标准名称： | 锻件试制定型规范 |
| 中标分类： |
航空、航天 >>
航空、航天材料与工艺 >>
航空与航天用经书铸锻材料 |
| ICS分类： |
航空器和航天器工程 >>
航空航天制造用材料
|
| 替代情况： | HB 5402-87 |
| 发布日期： | 1997-09-23 |
| 实施日期： | 1997-10-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 9页 |
适用范围
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所属分类： 航空 航天 航空 航天材料与工艺 航空与航天用经书铸锻材料 航空器和航天器工程 航空航天制造用材料
【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
