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【英文标准名称】:StandardTestMethodforEnumerationofCandidaalbicansinWater
【原文标准名称】:水中白色念球菌计数的试验方法
【标准号】:ASTMD4249-1983(2005)
【标准状态】:现行
【国别】:
【发布日期】:1983
【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】:D19.24
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:生物分析和试验;细菌纲;水;试验
【英文主题词】:Candidaalbicans;detection;enumeration;sewage;water;yeast
【摘要】:C.albicansisayeastthatisfoundasacommensalinthegastrointestinal,genitourinary,andalimentarytractsofhealthyindividuals,bothhumanandloweranimals(3,4,5).Assuch,itisaseriousopportunisticpathogenofhumansandmaycausesuperficialordeepmycoticinfections.Consequently,theyeastisfoundinrawsewageandinnaturalwatersreceivinghumanandanimalwastes.C.albicanscansurviveinsituinseawaterforatleastsixdays(6).Invitrosurvivaloftheyeastindistilled(7)andlakewater(8)hasbeendemonstratedalso.WhilethereisatpresentnoepidemiologicalevidenceconnectinghumandiseasecausedbyC.albicansanduseofwater,theorganismmaybeausefulindicatorofrecreationalwaterquality(9).Thetestmethodmaybeappliedtothemonitoringofvarioustreatmentprocessesforefficiencyinremovingparticularpathogensinwastewaterpriortodischargeinreceivingwaterswhichinturnmaybeusedagainforavarietyofpurposes.Bothpublichealthandsanitaryengineeringinterestsshouldbeawareofthepresenceofthisyeastinwastewaterandthepotentialfordiseaseincontiguouswaters.FuturestudiesbetweentheincidenceofC.albicansandtraditionalwaterqualityindicators(forexample,totalandfecalcoliforms,fecalstreptococci)mayrevealacorrelationofvalueintheassessmentofpotentialhealthrisksofswimmingorotherrecreationalwaters.1.1ThistestmethodcoversthedetectionandenumerationoftheyeastCandidaalbicansinrawsewage,wastewaters,andnaturalwaters.1.2Itistheresponsibilityoftheanalysttodetermineifthistestmethodyieldssatisfactoryresultsinwatersofothermatrices.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Foraspecifichazardstatement,seeSection.
【中国标准分类号】:C53
【国际标准分类号】:13_060_70
【页数】:5P.;A4
【正文语种】:


【英文标准名称】:Plastics-Determinationofburningbehaviourbyoxygenindex-Part2:Ambient-temperaturetest(ISO4589-2:1996+Amd.1:2005)(includesAmendmentA1:2006)EnglishversionofDINENISO4589-2:1999+A1:2006-06
【原文标准名称】:塑料.通过氧含量测定塑料燃烧性.第2部分:高温试验
【标准号】:ENISO4589-2-2006
【标准状态】:现行
【国别】:
【发布日期】:2006-06
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:环境温度;燃烧特性;燃烧试验;燃烧;浓缩;定义;测定;测量规程;着火试验;易燃性;高温技术;高温试验;材料;氧;氧浓度;氧指数;物理试验;塑料薄膜;塑料;火焰表面传播;温度;试验设备;试验性能;试验
【英文主题词】:Ambienttemperature;Burningbehaviours;Burningtests;Combustion;Concentration;Definition;Definitions;Determination;Determinationprocedures;Firetests;Flammability;High-temperaturetechniques;High-temperaturetesting;Materials;Oxygen;Oxygenconcentration;Oxygenindex;Physicaltesting;Plasticfilms;Plastics;Surfacespreadofflame;Temperature;Testequipment;Testperformance;Testing
【摘要】:
【中国标准分类号】:G31
【国际标准分类号】:13_220_40;83_080_01
【页数】:32P.;A4
【正文语种】:英语