【英文标准名称】:Packagingtest-Containersmadefrompolyolefines-Part1:Tensioncrackingresistance;temperatureprocedure
【原文标准名称】:包装试验.聚烯烃容器.抗应力开裂性.温度程序
【标准号】:DIN55457-1-2000
【标准状态】:现行
【国别】:德国
【发布日期】:2000-06
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:容器;耐力;定义;定义;包装件;包装;塑料容器;插孔;应力裂纹特性;破裂应力;包装试验;热试验;裂开;塑料;应力断裂;试验;聚烯烃
【英文主题词】:stresscrackings;rupturestress;resistance;cracking;polyolefins;testing;packaging;definitions;thermaltesting;receptacles;containers;plastics;plasticcontainers;stresscrackingbehaviour;packages;pack
【摘要】:Thedocumentspecifiestestsofcontainersmadeofpolyolefineswithinthetemperatureprocedure.Thetestshowsthetensioncrackingresistanceofcontainersandtheirclosures.Therequirementsforstackingarenottakenintoaccount.
【中国标准分类号】:A83
【国际标准分类号】:55_040
【页数】:2P;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodforMeasuringParticleSizeDistributionofRDF-5
【原文标准名称】:测定回收废燃料的粒度分布
【标准号】:ASTME1037-1984(2004)
【标准状态】:现行
【国别】:
【发布日期】:1984
【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】:测量;粒度分布
【英文主题词】:
【摘要】:TheparticlesizedistributionofRDF-5stronglyinfluencesthestorageandhandlingcharacteristicsofthefuel.Smallparticlestendtoblockflowthroughstoragebinsandfeedhoppers,althoughcorrectbinandhopperdesignswillalleviatethisproblemofblockage.ThistestmethodofmeasuringsizebyhandallowsaccuratedescriptionofRDF-5particlesizedistribution.Measurementbyhandissuperiortosievingtechniques,whereinparticlesmaybebrokenbythesizeseparationtechniqueitself.However,handmeasurementismoretime-consumingthansievingtechniques.1.1ThistestmethodisusedtodeterminethesizedistributionofaRDF-5sample.Sizeisdefinedasthemaximumlengthoftheparticle,wherelengthisdeterminedbytheRDF-5manufacturingprocess.Thatis,apellet,cubette,orbriquetteallhavearecognizablelength.displaysthesizesandshapesofsomeRDF-5particles.1.2AnairdriedRDF-5sampleisseparatedintocategoriesofdifferingparticlesizes.Thesizedistributionismeasuredastheweightpercentageofeachsizecategory.Agraphofafunctionofthecumulativefractionofmaterialbyweightfinerthanparticlesizeversusparticlesizeisplotted.Fromthisplotaretakenvalueswhichdescribethesizedistribution-theuniformityconstantandthecharacteristicparticlesize.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N04
【国际标准分类号】:
【页数】:2P.;A4
【正文语种】: