JB/T 6245-1992 实验室离子计
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来源:标准资料网
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基本信息
标准名称: | 实验室离子计 |
中标分类: | 仪器、仪表 >> 物质成分分析仪器与环境监测仪器 >> 电化学、热化学、光学式分析仪器 |
发布日期: | 1992-05-27 |
实施日期: | 1993-04-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
归口单位: | 北京分析仪器所 |
出版日期: | 1900-01-01 |
页数: | 7 页 |
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所属分类: 仪器 仪表 物质成分分析仪器与环境监测仪器 电化学 热化学 光学式分析仪器
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基本信息
标准名称: | SFF-75-4-51型实心聚四氟乙烯绝缘柔软射频电缆详细规范 |
中标分类: | 电子元器件与信息技术 >> 电子设备专用材料、零件、结构件 >> 电子设备用导线、电缆 |
ICS分类: | 电信、音频和视频技术 >> 电信设备用部件和附件 >> 同轴电缆、波导 |
发布日期: | |
实施日期: | |
首发日期: | |
作废日期: | |
出版日期: | |
页数: | 10 |
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前言
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所属分类: 电子元器件与信息技术 电子设备专用材料 零件 结构件 电子设备用导线 电缆 电信 音频和视频技术 电信设备用部件和附件 同轴电缆 波导
【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】:ASTME1207-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:试验;最终制品;身体化妆品;工艺;感官;化妆品
【英文主题词】:secretion;deodorant;personalcare;glands
【摘要】:Theproceduresrecommendedinthispracticecanbeusedtoclinicallyassessaxillarydeodorantefficacyofpersonalcareproducts.Thispracticeisapplicabletotheproductcategorieswhichincludedeodorantandtoiletsoapbars,liquidbathsoapsandgels,deodorantsticks,antiperspirants,creamsandlotions,bodytalcs,andaerosolandpumpdeliverydeodorants,antiperspirants,andbodycolognes.Proceduresofthetypedescribedhereinmaybeusedtoaidinthecommunicationofefficacywithinandbetweenmanufacturersandtotheconsumerthroughthevariouspubliccommunicationsmedia.Guidelinesaresuggestedduetotheneedtodeterminetherelativeorabsoluteperformanceofexperimentalmaterialsorofcommercialproducts.Theseproceduresmaybeusedbypersonswhohavefamiliarizedthemselveswiththeseproceduresandhavehadpreviousexperiencewithsensoryevaluation.Thispracticeprovidessuggestedproceduresandisnotmeanttoexcludealternateprocedureswhichmaybeeffectivelyusedtoprovidethesameclinicalresult.1.1Thispracticeprovidesprocedureswhichmaybeusedinthedesignandanalysisofstudiestoquantitativelyassesstheintensityofhumanaxillaryodorforthepurposeofsubstantiatingdeodorantefficacyofpersonalcareproducts.1.2Thispracticeincludesprotocolsfortheselectionandtrainingofjudges,selectionofsubjects,experimentaldesign,andstatisticalanalysis.Thispracticeislimitedtoassessmentofaxillaryodorbytrainedjudges.Self-evaluationprotocolsarevalidforselectedsensorytasksbutmaybelesssensitive.1.3Withrespecttothesourceofaxillaryodor,threegroupsofsecretoryglandsarepresentintheaxillaewhichparticipatetoagreaterorlesserextentinitsproduction-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.Antimicrobialagentsachievedeodorancybyinhibitingthegrowthandactivityofthemicrofloraintheaxillaryvaultthusreducingthemicrobialdecompositionofsweatandtheconsequentproductionofbodyodor.Absorbentsfunctioneitherby"binding"availablemoistureormalodoroussubstances.Fragrancesareeffectivebyalteringtheperc......
【中国标准分类号】:Y42
【国际标准分类号】:71_100_70
【页数】:17P.;A4
【正文语种】: