ISO 21528-2-2004 食品和动物饲料的微生物学.肠杆菌科检测和计数的水平法.第2部分:菌落计数法

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【英文标准名称】:Microbiologyoffoodandanimalfeedingstuffs-HorizontalmethodsforthedetectionandenumerationofEnterobacteriaceae-Part2:Colony-countmethod
【原文标准名称】:食品和动物饲料的微生物学.肠杆菌科检测和计数的水平法.第2部分:菌落计数法
【标准号】:ISO21528-2-2004
【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】:微生物分析;试验;农产品;测定;肠杆菌科;菌落计数技术;食品;微生物学;定义
【英文主题词】:Agriculturalproducts;Bacteria;Colonycounttechniques;Culturemedia;Definitions;Determination;Enterobacteriaceae;Foodproducts;Incubation;Inoculation;Microbiologicalanalysis;Microbiology;Microorganisms;Testing
【摘要】:ThispartofISO21528specifiesamethod,withoutpre-enrichment,fortheenumerationofEnterobacteriaceae.Itisapplicableto—productsintendedforhumanconsumptionandthefeedingofanimals,and—environmentalsamplesintheareaoffoodproductionandfoodhandling.Enumerationiscarriedoutbycountingcoloniesinasolidmediumafterincubationat37℃(or30℃).Thistechniqueisrecommendedwhenthenumberofcoloniessoughtisexpectedtobemorethan100permillilitreorpergramofthetestsample.note:1)Thetemperatureof37℃isgenerallyusedwhentheenumerationofEnterobacteriaceaeisforahygienicindicator.Alternatively,atemperatureof30℃canbechosenwhentheenumerationofEnterobacteriaceaeisconductedfortechnologicalpuposesandincludespsychrotrophicEnterobacteriaceae.
【中国标准分类号】:C53
【国际标准分类号】:07_100_01;07_100_30
【页数】:10P.;A4
【正文语种】:英语


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【英文标准名称】:Fibreopticbranchingdevices-Blankdetailspecification
【原文标准名称】:光纤分流装置.空白详细规格
【标准号】:BSEN60875-1-1-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-07-15
【实施或试行日期】:1998-07-15
【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】:使用说明;质量保证体系;布置;认可试验;光学纤维;性能;纤维光学连接器;纤维光学;质量保证;检验;资格鉴定;详细规范;作标记;技术数据单
【英文主题词】:Blankforms;Branchingdevices;Connectiontechnology;Detailspecification;Electricalengineering;Fibreoptics;Opticalwaveguides;Specification
【摘要】:ThisblankdetailspecificationispartofthegenericspecificationIEC875-1(QC810000)andcomprisesablankworksheetwithinstructionsforpreparingdetailspecifications.
【中国标准分类号】:M33
【国际标准分类号】:33_180_20
【页数】:16P.;A4
【正文语种】:英语


【英文标准名称】:Thermalinsulationproductsforbuildingequipmentandindustrialinstallations-Factorymaderigidpolyurethanefoam(PUR)andpolyisocyanuratefoam(PIR)products-Specification
【原文标准名称】:工业装置和建筑设备用热绝缘产品.工厂制硬质聚氨基甲酸乙酯泡沫和聚异氰尿酸酯泡沫产品.规范
【标准号】:BSEN14308-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2010-05-31
【实施或试行日期】:2010-05-31
【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】:
【英文主题词】:Basicdomesticfacilities;Boards;Buildingservices;Buildings;CEmarking;Certificatesofconformity;Certification(approval);Checks;Classification;Conformity;Construction;Constructionmaterials;Constructionalproducts;Definitions;Design;Designations;Dimensions;Energyconservations;Foamedplastics;Foamedrubber;Formofdelivery;Inspection;Insulatingmaterials;Marking;Materialproperties;Materialstesting;Measurement;Measuringtechniques;PIR;Polyisocyanate;Polyisocyanurate;Polyurethane;Productioncontrol;Properties;Qualityassurance;Ratings;Rigidfoams;Specification;Specification(approval);Surfacespreadofflame;Surveillance(approval);Testing;Thermalconductivity;Thermalinsulatingmaterials;Thermalinsulation;Thermalprotection;Use
【摘要】:ThisEuropeanStandardspecifiestherequirementsforfactorymaderigidpolyurethanefoam(PUR)andpolyisocyanuratefoam(PIR)products,withaclosedcellcontentnotlessthan90%,withorwithoutfacings,whichareusedforthethermalinsulationofbuildingequipmentandindustrialinstallations,withanoperatingtemperaturerangeofapproximately,-200°Cto+200°C.NOTEBelowanoperatingtemperatureof-50°C,specialtestsregardingthesuitabilityoftheproductsintheintendedapplicationareadvised(e.g.liquefactionofoxygen).Manufacturer'sadviceshouldbeheededinallcases.Theproductsaremanufacturedintheformofblocks,facedorunfacedboards,pipesections,segmentsandprefabricatedware.Thisstandarddescribesproductcharacteristicsandincludesproceduresfortesting,evaluationofconformity,markingandlabelling.Productscoveredbythisstandardarealsousedinprefabricatedthermalinsulatingsystemsandcompositepanels;theperformanceofsystemsincorporatingtheseproductsisnotcovered.Thisstandarddoesnotspecifytherequiredlevelofagivenpropertythatshallbeachievedbyaproducttodemonstratefitnessforpurposeinaparticularapplication.Thelevelsrequiredforagivenapplicationaretobefoundinregulationsandinvitationstotender.Productswithadeclaredthermalconductivitygreaterthan0,100W/(m·K)at10°Carenotcoveredbythisstandard.Thisstandarddoesnotcoverproductsforinsitu-insulation(sprayingordispensing)orproductsfortheinsulationofthebuildingstructure.Thisstandarddoesnotcoverthefollowingacousticalaspects:directairbornesoundinsulationandimpactnoisetransmissionindex.
【中国标准分类号】:Q25
【国际标准分类号】:91_100_60
【页数】:54P.;A4
【正文语种】:英语