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【英文标准名称】:Measurementandassessmentoflow-frequencynoiseimmissionsintheneighbourhood
【原文标准名称】:相邻建筑低频躁音侵扰测量和评估
【标准号】:DIN45680-1997
【标准状态】:现行
【国别】:德国
【发布日期】:1997-03
【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】:声学;定义;频率;声强;噪声(环境的);评定;噪声测量;测量技术;临近;声音;空气污染;声学测量;结构噪声;空气噪声;频率范围;声压级;测量
【英文主题词】:
【摘要】:Thisdocumentdescribesamethodforthemeasurementandassessmentoflow-frequencynoiseimmissionsinsideofbuildingscausedbyairborneand/orstructure-bornesoundtransmission.Itshouldcompletetheexistingmethodsforthemeasurementandassessmentofnoiseandshouldservefortheassessmentoflow-frequencynoiseimmissionsfortheprotectionagainstconsiderableirritations.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_40;17_140_10
【页数】:7P;A4
【正文语种】:德语


【英文标准名称】:Rubber,vulcanizedorthermoplastic-Determinationofcompressionstress-strainproperties(ISO7743:2004)EnglishversionofDINISO7743:2006-11
【原文标准名称】:硫化的或垫塑橡胶.压缩应力－应变特性的测定(ISO7743:2004)
【标准号】:DINISO7743-2006
【标准状态】:现行
【国别】:德国
【发布日期】:2006-11
【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】:压缩永久变形;压缩试验;压缩应力;定义;测定;弹性体;材料试验;金属板;板;压力作用;橡胶;应变;应变测量;试验报告;试样;试验;热塑性聚合物;未成型的;硫化;硫化橡胶
【英文主题词】:
【摘要】:ThisInternationalStandardspecifiesmethodsforthedeterminationofthecompressionstress-strainpropertiesofvulcanizedorthermoplasticrubber,usingastandardtestpiece,aproductorapartofaproduct.Threeproceduresaregiven:—usingastandardtestpiecewiththemetalplateslubricated(methodA);—usingastandardtestpiecewiththemetalplatesbondedtothetestpiece(methodB);—usingaproductorapartofaproductwiththemetalplateslubricated(methodC).Thethreeproceduresdonotgivethesameresults.Withlubricatedtestpieces,theresultsaredependentonlyonthemodulusoftherubberandareindependentofthetestpieceshape,providedthatcompleteslipconditionsareachieved.Effectivelubricationissometimesdifficulttoachieve,however,anditisprudenttoinspectthevarianceinthetestresultsfromreplicatetestpiecesforindicationsoferraticslipconditions.Withbondedtestpieces,theresultsaredependentonboth.themodulusoftherubberandthetestpieceshape.Thedependenceontestpieceshapeisstrongandconsequentlytheresultswillbemarkedlydifferentfromthoseobtainedwithlubricatedtestpieces.Forproducts,theresultisdependentontheshape,butastestsonproductsaremainlycomparativethisisacceptable.NOTEForwell-specifiedproductshapes,suchas0-rings,theresultmaybecorrelatedtothehardnessvalue.Provisionismadefortheuseoftestpiecesofdifferentsizeand/orshapefromthespecifiedtestpiece,butextrapolationoftheresultsobtainedtoothersizesandshapesmaynotbepossible.GuidanceontheeffectofsizeandshapeoftestpieceandofbondingorlubricatingisgiveninAnnexA.Themethodisnotsuitableformaterialsthatexhibithighset.ThenecessarycalibrationscheduleforthistypeofmeasurementisincludedinAnnexB.
【中国标准分类号】:G40
【国际标准分类号】:83_060
【页数】:17P.;A4
【正文语种】:英语