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【英文标准名称】:Microbiologyoffoodandanimalfeedingstuffs-Enumerationofpresumptiveenterobacteriabycolonycounttechniqueat30oCor37oC.
【原文标准名称】:食物和动物饲料的微生物学检验.使用菌落计数法测定30℃或37℃时的推断肠细菌含量
【标准号】:NFV08-054-2009
【标准状态】:现行
【国别】:法国
【发布日期】:2009-04-01
【实施或试行日期】:2009-04-25
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:C53
【国际标准分类号】:
【页数】:10P;A4
【正文语种】:其他


【英文标准名称】:StandardTestMethodforMicroscopicEvaluationoftheDispersionofCarbonBlackinPolyolefinGeosynthetics
【原文标准名称】:聚烯烃土工合成织物中碳墨分散的显微镜评定标准试验法
【标准号】:ASTMD5596-2003(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:D35.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Carbonblack;Dispersion;Geosynthetics;Inclusions;Polyolefin(PO);Visualexamination--plastics
【摘要】:Carbonblackisaddedtomanypolymerstoprovidelong-termresistancetoultraviolet-induceddegradation.Toachievethis,carbonblackshouldbedisperseduniformlythroughouttheas-manufacturedgeosyntheticmaterial.Thistestmethodisusedtoevaluatetheuniformityofcarbonblackdispersion.Thistestmethodissuitableonlyforthosegeosyntheticsthatcanbesampledusingarotaryorsledgemicrotome.Thegeometry,stiffness(hardness),orelasticityofsomegeosyntheticproductsprecludestheirbeingsampledwithamicro-tome.Thecross-sectionalareaofthegeosyntheticmustbecomposedofacontinuoussolidpolyolefinmaterialtobesampledusingamicrotome.Extrudedandorientedgeogridswillrequirethatmicrotomespecimensbecutfromthenonorientedbarsofuniaxialproductsandthenon-orientednodesofbiaxialproducts.1.1Thistestmethodcoversequipment,specimenpreparationtechniques,andproceduresforevaluatingthedispersionofcarbonblackinpolyolefingeosyntheticscontaininglessthan5%carbonblackbyweight.1.2Thistestmethodallowsforaqualitativeevaluationofcarbonblackagglomeratesandotherinclusionsinpolyolefingeosynthetics.Thisevaluationisbasedoncarbonblackdispersionsizecalculatedareawithinmicroscopicfieldsofview.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;Thistestmethodisfortheevaluationofcarbonblackdispersion.Thistestmethoddoesnotsupportorevaluatethedistributionofcarbonblack.
【中国标准分类号】:W59
【国际标准分类号】:59_080_70
【页数】:3P.;A4
【正文语种】:英语