EN ISO 21567-2004 食品和动物饲料的微生物学.志贺氏杆菌检测的水平法

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【英文标准名称】:Microbiologyoffoodandanimalfeedingstuffs-HorizontalmethodforthedetectionofShigellaspp.(ISO21567:2004);GermanversionENISO21567:2004
【原文标准名称】:食品和动物饲料的微生物学.志贺氏杆菌检测的水平法
【标准号】:ENISO21567-2004
【标准状态】:现行
【国别】:
【发布日期】:2005-02
【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】:定义;规范(验收);试验;稀释;食品;农产品;试样制备;验证;微生物;微生物学;稀释法;微生物分析;试验室;饲料;悬浮液;方法;饮食;生物试验
【英文主题词】:Agriculturalproducts;Animalfeed;Biologicaltests;Definition;Definitions;Diet;Dilution;Dilutionmethods;Foodproducts;Methods;Microbiologicalanalysis;Microbiology;Microorganisms;Specification(approval);Specimenpreparation;Suspensions(chemical);Testlaboratories;Testing;Verification
【摘要】:
【中国标准分类号】:C53
【国际标准分类号】:07_100_30
【页数】:32P.;A4
【正文语种】:英语


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【英文标准名称】:GuideforIdentificationofMetalsandAlloysinComputerizedMaterialPropertyDatabases
【原文标准名称】:计算机化材料特性数据库的金属和合金的识别指南
【标准号】:ASTME1338-2009
【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】:B08.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:alloys;computerizeddatabases;computerizedmaterialpropertydatabases;databases;dataelements;metals;Alloys;Computerizedmaterialpropertydatabases;Identification;Metalsandmetallicmaterials
【摘要】:Thisguidedescribesthetypesofinformationthatareindispensableforuniquelyidentifyingametaloralloyinacomputerizeddatabase.Thepurposeistofacilitatestandardizedstorageandretrievaloftheinformationwithacomputer,andallowmeaningfulcomparisonofdatafromdifferentsources.Manynumberingsystemsformetalsandalloyshavebeendevelopedwhicharebasedontheirchemicalcompositions.Separatesystemshavealsoevolvedtodescribethethermomechanicalconditionofmetalsandalloysinordertonarrowtheirdescription.Itistheseparationintologicaldataelementsfromthesecomplex,historicallysignificant,andoverlappingsystemsofidentificationthatisthechallengeintheidentificationofmetalsandalloyswithincomputerizeddatabases.Thisguideisintendedtoprovideacommonstartingpointfordesignersandbuildersofmaterialspropertydatabases.Thisguidegenerallyidentifiesthecontentsofthedatabaseintermsofdataelements,butdoesnotrecommendanyparticularlogicalorphysicaldatabasedesign.Adatabasebuilderhasconsiderableflexibilityindesigningadatabaseschema,anditisintendedthatthisguidesupportthatflexibility.Itisrecognizedthatmaterialpropertydatabaseswillbedesignedfordifferentlevelsofmaterialinformationandfordifferentpurposes.Forexample,adatabasedevelopedbyanindustrytradegroupmightonlyidentifytypicalpropertiesgenerallyrepresentativeofthoseforaparticularmetaloralloy,andnotactualvaluesmeasuredonaspecificsample.Ontheotherhand,abusinessmightdesiretomanagedataonspecificlotsitprocures,orevenpropertiesofaspecificpieceorsamplefromalot.Consequently,someofthedataelementsidentifiedinthisguidemightnotbeapplicableineverydatabaseinstance.Theextentofmaterialidentificationimplementedinaparticulardatabasedependsonitsspecificpurpose.Asingleorganizationmayincludesubstantialdetailinitsdatabase.Lessdetailmaybeincludedinacommondatabaseusedbyseveralorganizationsbecauseofcommercialandotherconsiderations.Sincemetalsandalloysarediverseandthetechnologiesarealwayschanging,recommendationsshouldnotberegardedasexclusiveofadditionaldataelementsformaterialidentification.Therecommendeddataelementsshouldbeexpandedifadditionaldetailedinformationwhichservestoidentifymaterialsistoberecorded.Anumberofdataelementsareconsideredessentialtoanydatabaseandneedtoexistinthedatabase.Dataelementsareconsideredessentialiftheyarerequiredforuserstohavesufficientinformationtointerpretthedataandbeconfidentoftheirabilitytocomparesetsofdataformaterialsfromdifferentsources.Failuretocompleteanessentialdataelementmayrendertherecordunusableinadatabaseorindataexchange.Essentialreferstothequalityorcompletenessofrecordeddata,anddoesnotnecessarilyhavedirectmeaningrelativetodatabasestructure.Insomecases,theidentifieddataelementmightbeaccommodatedwithinaparticulardatabasewithoutexplicitlyincludingafieldjustfortheessentialdataelement.Additionally,adatabaseschemamayrequireadditionaldatafieldstobenotnulltomaintaindatarecordintegrityortoimplementamandatorydatarelationship.Theseadditionalfieldsarebeyondthescopeofthisguide.Finally,itisalsonotedthatadataelementidentifiedasessentialinthisguidemightnotberelevantforadatabasecreatedforaspecificapplicationoflimitedscope.Thisguidepresentsalistingofthedataelementsanddoesnotintendtodefineanysingleorganizationofthedataelementstobeusedineitheralogicalorphysicalmodelforthedatabase.Thedataelementlistsaredividedbygroupheadingsfordiscussionpurposesonly.Thegroupheadingsarenotintendedtoidentifynormalizationof......
【中国标准分类号】:H07
【国际标准分类号】:77_120_01
【页数】:9P.;A4
【正文语种】:英语


基本信息
标准名称:公安边防部队警务信息管理代码 第3部分:机构编制类别代码
中标分类: 综合 >> 社会公共安全 >> 社会公共安全综合
发布日期:2003-05-30
实施日期:2003-05-30
首发日期:
作废日期:
出版日期:
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所属分类: 综合 社会公共安全 社会公共安全综合