【英文标准名称】:Testsforgeometricalpropertiesofaggregates-Determinationofparticlesizedistribution-Sievingmethod
【原文标准名称】:集料的几何特性试验.粒度分布测定.筛法
【标准号】:BSEN933-1-1997
【标准状态】:作废
【国别】:英国
【发布日期】:1997-12-15
【实施或试行日期】:1997-12-15
【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】:粒度测量;试验条件;筛分;筛选(大小);试样制备;粒度分布;施工材料;集料
【英文主题词】:Aggregates;Concretes;Construction;Constructionmaterials;Definition;Definitions;Determination;Dimensions;Grainsize;Grainsizing;Materialstesting;Mineralaggregates;Particlesizedistribution;Particlesizemeasurement;Particulatematerials;Precision;Properties;Rocks;Screening(sizing);Testing
【摘要】:Specifiesamethod,usingtestsieves,forthedeterminationoftheparticledistributionofaggregates.Itappliestoaggregatesofnaturalorartificialorigin,includinglightweightaggregates,upto63mmnominalsize,excludingfillers.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_15
【页数】:14P;A4
【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