ISO 7937-2004 食品和动物饲料的微生物学.产气荚膜杆菌计数的水平法.菌落计数技术
时间:2024-05-26 22:47:46 来源: 标准资料网 作者：标准资料网 阅读：9922
【英文标准名称】:Microbiologyoffoodandanimalfeedingstuffs-HorizontalmethodfortheenumerationofClostridiumperfringens-Colony-counttechnique
【原文标准名称】:食品和动物饲料的微生物学.产气荚膜杆菌计数的水平法.菌落计数技术
【标准号】:ISO7937-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-08
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC34
【标准类型】:()
【标准水平】:()
【中文主题词】:微生物学;定义;实验室试验;精密度;计数;饲料;梭菌属;生化分析法;菌落计数技术;计数方法(微生物学);微生物分析;细菌计数方法;食品料;验证;微生物;实验室间试验;食品;污染
【英文主题词】:Animalfeed;Bacteriacountmethods;Biochemicalmethodsofanalysis;Clostridium;Colonycounttechniques;Contamination;Countmethods(microbiology);Counting;Definitions;Foodproducts;Foodstuff;Inter-laboratorytests;Laboratorytests;Microbiologicalanalysis;Microbiology;Microorganisms;Precision;Verification
【摘要】:ThisInternationalStandarddescribesahorizontalmethodfortheenumerationofviableClostridiumperfringens.Itisapplicableto—productsintendedforhumanconsumptionandthefeedingofanimals,and—environmentalsamplesintheareaoffoodproductionandfoodhandling.
【中国标准分类号】:C53
【国际标准分类号】:07_100_30
【页数】:16P;A4
【正文语种】:英语
【英文标准名称】:2003UniformPlumbingCode
【原文标准名称】:2003统一管道工程代码
【标准号】:ANSI/IAPMOUPC1-2003
【标准状态】:作废
【国别】:美国
【发布日期】:2003
【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】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:代码;管道工程
【英文主题词】:Codes;Plumbing
【摘要】:
【中国标准分类号】:P94
【国际标准分类号】:91_140_70
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforInhibitionofRespirationinMicrobialCulturesintheActivatedSludgeProcess
【原文标准名称】:活性污泥处理中微生物培养时抑止呼吸的试验方法
【标准号】:ASTMD5120-1990(2004)
【标准状态】:现行
【国别】:
【发布日期】:1990
【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】:D34.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:擒纵机构;活性污泥;细菌培养;活性污泥处理法;呼吸
【英文主题词】:inhibitionofrespiration;microbialcultures;microbialculturesintheactivatedsludgeprocess;respiration
【摘要】:Theobjectivesoftherespirationinhibitiontestsmaybedefinedbytheinterestsoftheuser,butthetestmethodisdesignedprimarilyforexaminationoftheinhibitionresponsewithoperatingmicrobialsystemssuchasanactivatedsludgeprocesstreatingdomesticorindustrialwastes.Differentapparatusexistthatfacilitatecontinuousorcontinualmeasurementofrespirationinmicrobialsystemsandeachmaybeusedasthetooltoobserverespirationinthistestmethod.Respirometrymayutilizeanyapparatusandtechniquethatwillachievethedeterminationofrespirationrate.AnumberofdevicesarepresentedinAppendixX1.Equivalencyintheexperimentalcapabilityofeachdeviceisnotimplied.Theanalystshouldselecttherespirometricapproachthatbestsuitshisneeds.Theinhibitoryeffectofatestcandidateisidentifiedmorecompletelybyexamininginhibitionoverarangeofconcentrations,suchasdeterminingtheEC50.Theuseofaeratedcontainerspermitsconcurrentmanagementofaseriesofcellsuspensions.Arespirometerforeachcellsuspensionmightalsobeused.1.1Thistestmethodcoversabatchprocedurethatevaluatestheimpactofselectedwastewaters,materials,orspecificcompoundsontherespirationrateofanaqueousmicrobialculture,suchasactivatedsludge.1.2Alternativeproceduresformeasurementofmicrobialactivity,suchasadenosine5`triphosphate(ATP),specificsubstrateutilization,etc.arenotwithinthescopeofthistestmethod.1.3Theresultsobtainedarebasedoncomparisonsinaspecifictestseriesthatexaminesarangeofconcentrationsofthepotentiallyinhibitorytestcandidateusingbatchmethodsinalaboratory.Resultsarecompletedinashorttimeframe(afewhours).1.4Thetestresultsarespecifictothemicrobialcultureused.Microbialculturefromdifferentwastewatertreatmentplantswilldifferinkindsandnumbersoforganisms,andperformancecapability.Thus,thereisnobasisforcomparingresultsformicrobialculturesfromdifferenttreatmentfacilities.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z13
【国际标准分类号】:
【页数】:6P.;A4
【正文语种】: