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BS EN ISO 10534-2-1999 声学.阻抗管中吸声系数和阻抗的测定.传递函数法

作者:标准资料网 时间:2024-05-18 00:08:35  浏览:9290   来源:标准资料网
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【英文标准名称】:Acoustics-Determinationofsoundabsorptioncoefficientandimpedanceinimpedancetubes-Transfer-functionmethod
【原文标准名称】:声学.阻抗管中吸声系数和阻抗的测定.传递函数法
【标准号】:BSENISO10534-2-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-05-15
【实施或试行日期】:1999-05-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:声音吸收;声学测量;声学试验;声学;建筑声学;测定;吸声;吸声系数;传输
【英文主题词】:Acousticabsorption;Acousticmeasurement;Acoustictesting;Acoustics;Buildingacoustics;Determination;Soundabsorption;Soundabsorptioncoefficient;Transmission
【摘要】:
【中国标准分类号】:A42
【国际标准分类号】:91_120_20
【页数】:32P.;A4
【正文语种】:英语


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【英文标准名称】:Milkingmachineinstallations-Constructionandperformance(ISO5707:1996)
【原文标准名称】:挤奶机设备.结构和功能
【标准号】:DINISO5707-1998
【标准状态】:作废
【国别】:德国
【发布日期】:1998-05
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:设计;农业;农业工程;挤奶设备;农用设备;农业机械;畜牧机具;规范;乳制品设备;材料;性能;特点;装置;作标记;尺寸;使用条件;定义;规范(验收)
【英文主题词】:Agriculturalengineering;Agriculturalequipment;Agriculturalmachines;Agriculture;Components;Construction;Dairyequipment;Dairyinstallations;Definitions;Design;Dimensions;Features;Installations;Livestockequipment;Marking;Materials;Milkamountmeasurement;Milkyield;Milkinginstallations;Milkingmachines;Operatingconditions;Performance;Specification(approval);Specifications
【摘要】:Thedocumentspecifiestheminimumperformancerequirementsandcertaindimensionalrequirementsforsatisfactoryfunctioningofmilkingmachines.Italsospecifiesrequirementsformaterials,constructionandinstallation.#,,#
【中国标准分类号】:B92
【国际标准分类号】:65_040_10
【页数】:24P.;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodforColorDevelopmentinTintedLatexPaints
【原文标准名称】:染色胶乳涂料中颜色显现的标准试验方法
【标准号】:ASTMD5326-1994a(2002)
【标准状态】:现行
【国别】:
【发布日期】:1994
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D01.42
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;颜色;涂料;胶乳
【英文主题词】:color;colordevelopment;coloruniformity;colorants;tintability
【摘要】:Acolorantsometimesfailstodispersecompletelyinabasepaintduetopoorcompatibility,whichcanbethefaultofthecolorant,thepaint,orboth.Thiswillresultinpoorcolordevelopment,whichisreadilymanifestedbythecommonprocedureofapplyingthepaintwithadoctorbladeandsubjectingthedrawdowntohighshearstressbyfinger-rubbingasmallareaofthepartiallydryfilm.Thistendstodisperseundevelopedcolorant,ifany,andproducesacolorvariationbetweentheunshearedandshearedareasofthepaintfilm.Thevariationcanbemeasuredcolorimetricallytogiveanumericalcolordifferencevaluethatisameasureofthecolordevelopmentoftheoriginalpaint,thesmallerthedifferencethebetterthecolordevelopmentandviceversa.Colordifferencevaluesobtainedbyfinger-rubbingwerefoundtovarywidelyforthesameaswellasamongdifferentoperators.Thistestmethodestablishesacontrolledshear-stressprocedureanalogoustothefingerrub-uptest,butwithfarbetterreproducibility.Poorcolordevelopmentcanbeaproblemintheproductionofpaints,andintheirperformanceinthefield.Inproductionitcausesalossofcolorantmonetaryvalue,andunpredictabletintingresults.Infieldperformanceitresultsincolorvariationsintheappliedpaintfilmduetothevaryingshearforcestowhichthepaintissubjectedatdifferentstagesorbydifferentmodesofapplication.Althoughpoorcolordevelopmentisprimarilyandmostoftenrelatedtothecolorantportionofatintedpaint,thewhitepigmentinthebasepaintcanalsobepoorlydevelopedduetoflocculationorothercauses.Inthelattercase,sheardispersioncanmakethepaintfilmlighterandlesscolorful,ratherthanthereverse.Thentoo,thecolorantandthewhitemightbothbepoorlydeveloped,andthecolorchangeduetoshearstresswouldthenbethecombinedeffectofboth.Inanycase,colordevelopmentisanimportantpaintproperty,forthemeasurementofwhichthistestmethodisintendedtoprovideagenerallyacceptedandreproducibletestmethod.1.1Thistestmethodcoversaprocedureformeasuringcolordevelopmentintintedlatexpaints,forthepurposeofdeterminingtheefficiencyofcolorants,thetintabilityofbasepaintsandthepotentialforpoorcoloruniformityofappliedpaintfilms.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G50
【国际标准分类号】:87_040
【页数】:3P.;A4
【正文语种】:



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