QB 954-1985 普通眼镜片
作者:标准资料网 时间:2024-05-11 23:52:15 浏览:9307
来源:标准资料网
基本信息
标准名称: | 普通眼镜片 |
中标分类: |
轻工、文化与生活用品 >>
工艺美术品与其他日用品 >>
其他日用品 |
替代情况: | 被GB 10810-1996代替 |
发布日期: | |
实施日期: | 1992-08-01 |
首发日期: | |
作废日期: | |
出版日期: | |
页数: | 10页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 轻工 文化与生活用品 工艺美术品与其他日用品 其他日用品
【英文标准名称】:StandardTestMethodforMeasurementofAirborneSoundAttenuationbetweenRoomsinBuildings
【原文标准名称】:建筑物房间之间气载噪声衰减率的标准试验方法
【标准号】:ASTME336-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:E33.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:声学;建筑声学;建筑物;建筑;绝缘;测量;噪声控制(声学的);声音;测试
【英文主题词】:airbornesoundtransmissionloss;apparentsoundtransmissionclass;apparenttransmissionloss;fieldsoundtransmissionclass;fieldtransmissionloss;flankingtransmission;noiseisolationclass;noisereduction;normalizednoiseisolationclass;soundtransmissioncoefficient;soundtransmissionloss;transmissionloss;
【摘要】:1.1Thesoundisolationbetweentwospacesinabuildingisdeterminedbyacombinationofthedirecttransmissionthroughthenominallyseparatingbuildingelement(asnormallymeasuredinalaboratory)andanytransmissionalonganumberofindirectpaths,usuallyreferredtoasflankingpaths.illustratesthedirectpathsandsomepossiblestructuralflankingpaths.Additionalnon-structuralflankingpathsmayincludetransmissionthroughcommonairductsbetweenrooms,ordoorstothecorridorfromadjacentrooms.1.2Themainpartofthistestmethoddefinesproceduresandmetricstoassessthesoundisolationbetweentworoomsinabuildingseparatedbyacommonpartitionincludingbothdirectandflankingtransmissionpaths.Appropriatemeasuresandtheirsinglenumberratingsarethenoisereduction(NR)andnoiseisolationclass(NIC),thenormalizednoisereduction(NNR)andnormalizednoiseisolationclass(NNIC),andtheapparenttransmissionloss(ATL)andapparentsoundtransmissionclass(ASTC).WiththeexceptionoftheATLandASTCunderspecifiedconditions,theseproceduresareonlyapplicablewhenbothroomvolumesarelessthan150m3.Note1Theword"partition"inthistestmethodincludesalltypesofwalls,floors,oranyotherboundariesseparatingtwospaces.Theboundariesmaybepermanent,operable,ormovable.1.3providesmethodstoassessthesoundtransmissionthroughapartitionorpartitionelementwiththeinfluenceofflankingtransmissionreduced.Thesemethodsmaybeusedwhenitmustbedemonstratedthatapartitionhasachievedaspecifiedminimumsoundattenuation.Theresultsarethefieldtransmissionloss(FTL)andfieldsoundtransmissionclass(FSTC).1.4providesmethodstomeasurethesoundisolationbetweenportionsoftworoomsinabuildingseparatedbyacommonpartitionincludingbothdirectandflankingpathswhenatleastoneoftheroomshasavolumeof150m3ormore.Theresultsarethenoisereduction(NR)andnoiseisolationclass(NIC).Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P31
【国际标准分类号】:91_120_20
【页数】:12P.;A4
【正文语种】:
【英文标准名称】:Manufacturedarticlesfilledwithfeatheranddown-Requirementsforclothing-Lightuse;GermanversionEN13536:2001
【原文标准名称】:羽毛和羽绒制品.服装要求.轻便服装
【标准号】:EN13536-2001
【标准状态】:现行
【国别】:
【发布日期】:2002-01
【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】:填充料;绒毛;测定;装填料;极限(数学);羽毛;成品;轻便服装;服饰;定义;定义;纺织材料;外装;作标记;护壳;衣衬;鸭绒填充;规范(验收);织物;外部覆盖物
【英文主题词】:Clothing;Definition;Definitions;Determination;Downs;Eiderdownfilling;Fabrics;Feathers;Fillers;Filling;Finishedproduct;Lightweightclothing;Limits(mathematics);Linings(clothing);Marking;Outercoverings;Outerwear;Sheathings;Specification(approval);Textiles
【摘要】:
【中国标准分类号】:B45
【国际标准分类号】:59_040;61_020
【页数】:10P.;A4
【正文语种】:英语