【英文标准名称】:Cosmetics-Microbiology-DetectionofEscherichiacoli
【原文标准名称】:化妆品.微生物学.大肠杆菌的检测
【标准号】:ISO21150-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-04
【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/TC217
【标准类型】:()
【标准水平】:()
【中文主题词】:化学分析和试验;化学试剂;大肠杆菌;化妆品;培养基;培养(生物);定义;试验(质量保证);保健;卫生学;调查;微生物分析;微生物学;微生物
【英文主题词】:Chemicalanalysisandtesting;Chemicalreagents;Colibacteria;Cosmetics;Culturemedia;Cultures(biology);Definitions;Escherichiacoli;Examination(qualityassurance);Healthprotection;Hygiene;Investigations;Microbiologicalanalysis;Microbiology;Micro-organisms;Microorganisms
【摘要】:ThisInternationalStandardgivesgeneralguidelinesforthedetectionandidentificationofthespecifiedmicroorganismEscherichiacoliincosmeticproducts.MicroorganismsconsideredasspecifiedinthisInternationalStandardmightdifferfromcountrytocountryaccordingtonationalpracticesorregulations.Inordertoensureproductqualityandsafetyforconsumers,itisadvisabletoperformanappropriatemicrobiologicalriskanalysis,soastodeterminethetypesofcosmeticproductstowhichthisInternationalStandardisapplicable.Productsconsideredtopresentalowmicrobiologicalriskincludethosewithlowwateractivity,hydro-alcoholicproducts,extremepHvalues,etc.ThisInternationalStandardspecifiesamethodthatisbasedonthedetectionofEscherichiacoliinanon-selectiveliquidmedium(enrichmentbroth),followedbyisolationonaselectiveagarmedium.Othermethodsmaybeappropriatedependingonthelevelofdetectionrequired.NOTEForthedetectionofEscherichiacoli,subculturescanbeperformedonnon-selectiveculturemediafollowedbysuitableidentificationsteps(e.g.usingidentificationkits).Becauseofthelargevarietyofcosmeticproductswithinthisfieldofapplication,thismethodmightnotbesuitedtosomeproductsineverydetail(e.g.certainwater-immiscibleproducts).OtherInternationalStandardsmaybeappropriate.Othermethods(e.g.automated)canbesubstitutedforthetestpresentedhereprovidedthattheirequivalencehasbeendemonstratedorthemethodhasbeenotherwisevalidated.
【中国标准分类号】:C50
【国际标准分类号】:07_100_99;71_100_70
【页数】:15P;A4
【正文语种】:英语


【英文标准名称】:StandardGuideforUsingtheElectronicConePenetrometerforEnvironmentalSiteCharacterization
【原文标准名称】:环境厂址表征用电子锥形透度计的标准使用指南
【标准号】:ASTMD6067-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D18.21
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:conepenetrometer;conepenetrometertest;directpush;explorations;groundwater;penetrationtests;piezocone;soilinvestigations;soundings;watersampling;wellpoint;Bearingzones;Conepenetrometertest;Electronicconepenetrometer;Env
【摘要】:Environmentalsitecharacterizationprojectsalmostalwaysrequireinformationregardingsubsurfacesoilstratigraphyandhydraulicparametersrelatedtogroundwaterflowrateanddirection.Soilstratigraphyoftenisdeterminedbyvariousdrillingproceduresandinterpretingthedatacollectedonboreholelogs.Theelectronicpiezoconepenetrometertestisanothermeansofdeterminingsoilstratigraphythatmaybefaster,lessexpensive,andprovidegreaterresolutionofthesoilunitsthanconventionaldrillingandsamplingmethods.Forenvironmentalsitecharacterizationapplications,theelectronicpiezoconealsohastheadditionaladvantageofnotgeneratingcontaminatedcuttingsthatmaypresentotherdisposalproblems(2,3,4,5,6,7,8,15).Investigatorsmayobtainsoilsamplesfromadjacentboringsforcorrelationpurposes,butpriorinformationorexperienceinthesameareamayprecludetheneedforborings(1).Mostconepenetrometerrigsareequippedwithdirectpushsoilsamplers(GuideD6282)thatcanbeusedtoconfirmsoiltypes.Theelectronicpiezoconepenetrationtestisaninsituinvestigationmethodinvolving:Pushinganelectronicallyinstrumentedprobeintotheground(seeFig.1foradiagramofatypicalconepenetrometer).Thepositionoftheporepressureelementmayvarybutistypicallylocatedintheu2position(TestMethodD5778).Recordingforceresistances,suchastipresistance,localfriction,andporewaterpressure.Datainterpretation.Themostcommonuseoftheinterpreteddataisstratigraphybasedonsoilbehaviortypes.Severalchartsareavailable.AtypicalCPTsoilbehaviortypeclassificationchartisshowninFigs.2and3(9).Thefirststepindeterminingtheextentandmotionofcontaminantsistodeterminethesubsurfacestratigraphy.Sincethecontaminantswillmigratewithgroundwaterflowingthroughthemorepermeablestrata,itisimpossibletocharacterizeanenvironmentalsitewithoutvalidstratigraphy.Conepenetrometerdatahasbeenusedasastratigraphictoolformanyyears.Theporepressurechanneloftheconecanbeusedtodeterminethedepthtothewatertableortolocateperchedwaterzones.Hydraulicconductivitycanbeestimatedbasedonsoilbehaviortype(Figs.4and5).Theseestimatesspantwotothreeordersofmagnitude.Alternately,porepressuredata(4.5)canbeusedforrefinedestimatesofhydraulicconductivity.Whenattemptingtoretrieveasoilgasorwatersample,itisadvantageoustoknowwherethebearingzones(permeablezones)arelocated.Althoughsoilgasandwatercanberetrievedfromon-bearingzonessuchasclays,thelengthoftimerequiredusuallymakesitimpractical.Soilgasandwatersamplescanberetrievedmuchfasterfrompermeablezones,suchassands.Theconepenetrometertipandfrictiondatagenerallycanidentifyandlocatethebearingzonesandnonbearingzoneslessthanafootthickveryaccurately.Theelectronicconepenetrometertestisusedinavarietyofsoiltypes.Lightweightequipmentwithreactionweightsoflessthan10tonsgenerallyarelimitedtosoilswithrelativelysmallgrainsizes.Typicaldepthsobtainedare20to40m,butdepthstoover70mwithheavierequipmentweighing20tonsormorearenotuncommon.Sincepenetrationisadirectresultofverticalforcesanddoesnotincluderotationordrilling,itcannotbeutilizedinrockorheavilycementedsoils.Depthcapabilitiesareafunctionofmanyfactorsincluding:1.1Theelectronicconepenetrometertestoftenisusedtodeterminesubsurfacestratigr......
【中国标准分类号】:N04
【国际标准分类号】:13_080_20
【页数】:11P.;A4
【正文语种】:英语