GB/T 14199-2010 电声学 助听器通用规范
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来源:标准资料网
基本信息
标准名称: | 电声学 助听器通用规范 |
英文名称: | Electroacoustics—General specification for hearing aids |
中标分类: |
冶金 >>
粉末冶金 >>
粉末冶金材料与制品 |
ICS分类: |
计量学和测量、物理现象 >>
声学和声学测量 >>
电声学
|
替代情况: | 替代GB/T 14199-1993 |
发布部门: | 中华人民共和国国家质量监督检验检疫总局 中国国家标准化管理委员会 |
发布日期: | 2010-09-02 |
实施日期: | 2011-04-01 |
首发日期: | 1993-02-20 |
作废日期: | |
主管部门: | 全国电声学标准化技术委员会 |
归口单位: | 全国电声学标准化技术委员会 |
起草单位: | 全国电声学标准化技术委员会 |
出版社: | 中国标准出版社 |
出版日期: | 2011-04-01 |
页数: | 16页 |
适用范围
本标准规定了助听器的拄术要求、测量方法、检验规则、标志、包装、运输和贮存。本标准适用于气导和骨导助听器。
前言
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引用标准
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所属分类: 冶金 粉末冶金 粉末冶金材料与制品 计量学和测量 物理现象 声学和声学测量 电声学
【英文标准名称】:TestProcedureforMinimumandMaximumExposureTemperatureEvaluationofOpticalFibers
【原文标准名称】:评定最高和最低照射温度对光纤性能影响的试验程序
【标准号】:ANSI/EIA/TIA455-69A-1991
【标准状态】:现行
【国别】:美国
【发布日期】:1991
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Determinestheabilityofanopticalfibertomaintainopticalperformance(attenuationandtemperaturedependenceofattenuation)overanextendedperiodoftime.Toobtainanelectronicdraft:global@ihs.com
【中国标准分类号】:M33
【国际标准分类号】:33_180_10
【页数】:
【正文语种】:英语
【英文标准名称】:StandardPracticeforTheSensoryEvaluationofAxillaryDeodorancy
【原文标准名称】:腋下除臭剂的感官评定的标准实施规程
【标准号】:ASTME1207-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:E18.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:Absorbentmaterials/applications;Aerosolcontainers/products;Aerosoldeodorants;Antimicrobialformulations/testing;Antiperspirants;Appocrinegland;Axillaryodor;Baselineaxillaryodorscore;BO(bodyodor)intensity;Controlodorscore;Deodorante
【摘要】:Theproceduresrecommendedinthispracticecanbeusedtoclinicallyassessaxillarydeodorantefficacyofpersonalcareproducts.Thispracticeisapplicabletotheproductcategorieswhichincludedeodorantandtoiletsoapbars,liquidbathsoapsandgels,deodorantsticks,antiperspirants,creamsandlotions,bodytalcs,andaerosolandpumpdeliverydeodorants,antiperspirants,andbodycolognes.Proceduresofthetypedescribedhereinmaybeusedtoaidinthecommunicationofefficacywithinandbetweenmanufacturersandtotheconsumerthroughthevariouspubliccommunicationsmedia.Guidelinesaresuggestedduetotheneedtodeterminetherelativeorabsoluteperformanceofexperimentalmaterialsorofcommercialproducts.Theseproceduresmaybeusedbypersonswhohavefamiliarizedthemselveswiththeseproceduresandhavehadpreviousexperiencewithsensoryevaluation.Thispracticeprovidessuggestedproceduresandisnotmeanttoexcludealternateprocedureswhichmaybeeffectivelyusedtoprovidethesameclinicalresult.1.1Thisguideprovidesprocedureswhichmaybeusedinthedesignandanalysisofstudiestoquantitativelyassesstheintensityofhumanaxillaryodorforthepurposeofsubstantiatingdeodorantefficacyofpersonalcareproducts.1.2Thisguideincludesprotocolsfortheselectionandtrainingofassessors,selectionofsubjects,experimentaldesign,andstatisticalanalyses.Thispracticeislimitedtoassessmentofaxillaryodorbytrainedassessors.Self-evaluationprotocolsarevalidforselectedsensorytasksbutmaybelesssensitive.1.3Withrespecttothesourceofaxillaryodor,threegroupsofsecretoryglandsarepresentintheaxillaewhichparticipatetoagreaterorlesserextentinitsproductionx2014;eccrine,apocrine,andsebaceous.Axillaryodorhasbeenprimarilyascribedtotheapocrineglandsecretion(1).Bodyodorintensityhasbeencorrelatedwiththevolumeofthesecretoryportionoftheapocrinegland(2)andthedensityoftheglands.1.3.1Apocrineglandsarefoundprimarilyintheaxillaryvaultinconjunctionwithaxillaryhairs(3).Pureapocrinesweatissterileandodorlessandaxillaryodorresultsfromdegradationofapocrinesweatbyresidentskinbacteria(4).Highbacterialpopulationsarefoundinmoistregionsofthebody,especiallyintheaxillae,providingtheappropriateenvironmentforgrowth(5).1.3.2Eccrineglandskeeptheaxillaemoistthroughthermallyandemotionallyinducedsecretions(6).1.3.3Thesebaceousglandsexcretehighermolecularweightlipidmaterialswhichabsorbandretainthevolatilematerialsresultingfrombacterialaction(7).Theaerobicdiphtheroidsareabletoproducethetypicalacridaxillaryodorandthemicrococcaceaeproduceanisovalericacid-likeodorwhenincubatedwithapocrinesweat(8).Therefore,themostundesirablecomponentofaxillaryodoriscausedbydegradationofapocrinesweatbyparticularbacterianormallyfoundintheaxillaryvault.1.4Personalcareproductsaresoldandusedprimarilyfortheirabilitytoreducetheperceptionofbodyodornotonlybytheindividualusingtheproductbutalsobyindividualswithinthescopeofcontact.Deodorantprotectionmaybeachievedbytheseproductsthroughvariousmodesofaction.Antiperspirantsachievetheirprimaryefficacybymeansoftheactionofinorganicsaltsontheeccrineglandproductionofsweat.Antimicrobialagentsachievedeodorancybyinhibitingthegrowthandactivityofthemicroflorain......
【中国标准分类号】:Y42
【国际标准分类号】:71_100_70
【页数】:18P.;A4
【正文语种】:英语