ISO 6561-2-2005 水果、蔬菜及其制品.镉含量测定.第2部分:火焰原子吸收光谱测定法
时间:2024-05-10 09:26:16 来源: 标准资料网 作者：标准资料网 阅读：9366
【英文标准名称】:Fruits,vegetablesandderivedproducts-Determinationofcadmiumcontent-Part2:Methodusingflameatomicabsorptionspectrometry
【原文标准名称】:水果、蔬菜及其制品.镉含量测定.第2部分:火焰原子吸收光谱测定法
【标准号】:ISO6561-2-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-02
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC34
【标准类型】:()
【标准水平】:()
【中文主题词】:光谱测定法;蔬菜;原子吸收分光光度测定法;镉;镉含量;火焰原子吸收光谱测定法;食品;FAAS方法;含量测定;试验;水果
【英文主题词】:Atomicabsorptionspectrophotometry;Cadmium;Cadmiumcontent;Determinationofcontent;FAASmethods;Flameatomicabsorptionspectrometry;Foodproducts;Fruits;Spectrometry;Testing;Tests;Vegetables
【摘要】:ThispartofISO6561specifiesanatomicabsorptionspectrometricmethodforthedeterminationofthecadmiumcontentoffruits,vegetablesandderivedproducts.NOTEThemethodofcadmiumdeterminationinfruit,vegetablesandderivedproductsisbasedonAOACOfficialMethodsofAnalysis.
【中国标准分类号】:X26;X24
【国际标准分类号】:67_080_01
【页数】:6P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodsforOccipital-CervicalandOccipital-Cervical-ThoracicSpinalImplantConstructsinaVertebrectomyModel
【原文标准名称】:在椎骨切除术模型中枕颈和枕颈-胸椎植入构造的标准试验方法
【标准号】:ASTMF2706-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:F04.25
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:fatiguetestmethods;occipital-cervicalspinalimplantassembly;occipital-cervicalspinalimplantconstruct;occipital-cervical-thoracicspinalimplantassembly;occipital-cervical-thoracicspinalimplantconstruct;statictestmethods;vertebrectomymo
【摘要】:Occipital-cervicalandoccipital-cervical-thoracicspinalimplantsaregenerallycomposedofseveralcomponentswhich,whenconnectedtogether,formeitheranoccipital-cervicalspinalimplantassemblyoranoccipital-cervical-thoracicspinalimplantassembly.Occipital-cervicalandoccipital-cervical-thoracicspinalimplantassembliesaredesignedtoprovidesomestabilitytothespineduringtheprocessofarthrodesis.Thesetestmethodsoutlinestandardmaterialsandmethodsfortheevaluationofdifferentspinalimplantassembliestofacilitatecomparisonsbetweendifferentdesigns.Thesetestmethodsareusedtoquantifythestaticanddynamicmechanicalcharacteristicsofdifferentdesignsofoccipital-cervicalandoccipital-cervical-thoracicspinalimplantassemblies.Themechanicaltestsareconductedinvitrousingsimplifiedloadschemesanddonotattempttomimicthecomplexloadsoftheoccipital-cervicalandoccipital-cervical-thoracicspine.Theloadsappliedtothespinalimplantassembliesinvivowill,ingeneral,differfromtheloadingconfigurationsusedinthesetestmethods.Theresultsobtainedherecannotbeuseddirectlytopredictinvivoperformance.Theresultscanbeusedtocomparedifferentcomponentdesignsintermsoftherelativemechanicalparameters.Fatiguetestinginasimulatedbodyfluidorsalinemaycausefretting,corrosion,orlubricatetheinterconnectionsandtherebyaffecttherelativeperformanceoftesteddevices.Thistestshouldbeinitiallyperformeddry(ambientroomconditions)forconsistency.Theeffectoftheenvironmentmaybesignificant.Repeatingallorpartofthesetestmethodsinsimulatedbodyfluid,saline(9gNaClper1000mLwater),asalinedrip,water,oralubricantshouldbeconsidered.Themaximumrecommendedfrequencyforthistypeofcyclictestingshouldbe5Hz.Thelocationofthelongitudinalelementsisdeterminedbytheintendedinvivolocationoftheanchors.Theperpendiculardistancetotheloaddirectionbetweentheaxisofahingepinandtheanchor''sattachmentpointstoapolyacetalblockisindependentofanchor-typeforthecervicalblock,butdependentonthedesignfortheoccipitaltestblock.Thedistancebetweenthepolyacetalblockandthecenterofthelongitudinalelementisafunctionofthedesignoftheimplant.1.1Thesetestmethodscoverthematerialsandmethodsforthestaticandfatiguetestingofoccipital-cervicalandoccipital-cervical-thoracicspinalimplantassembliesinavertebrectomymodel.Thetestmaterialsformostcombinationsofoccipital-cervicalandoccipital-cervical-thoracicspinalimplantcomponentscanbespecificdependingontheintendedlocationandintendedmethodofattachment.1.2Thesetestmethodsareintendedtoprovideabasisforthemechanicalcomparisonamongpast,present,andfutureoccipital-cervicalandoccipital-cervical-thoracicspinalimplantassemblies.Theyallowcomparisonofoccipital-cervicalandoccipital-cervical-thoracicspinalimplantconstructswithdifferentmethodsofapplicationtothespine.Thesetestmethodsarenotintendedtodefinelevelsofperformance,sincesufficientknowledgeisnotavailabletopredicttheconsequencesoftheuseofaparticulardevice.1.3Thesetestmethodssetoutguidelinesforloadtypesandmethodsofapplyingloads.Methodsforthreestaticloadtypesandtwofatiguetestsforthecomparativeevaluationofoccipital-cervicalandoccipital-cervical-thoracicspinalimplantassembliesaredefined.1.4Thesetestmethodsestablishguidelinesformeasuringdisplacements,determiningtheyieldload,andevaluatingthestiffnessandstrengthofoccipital-cervicaloroccipital-cervical-thoracicspinalimplantasse......
【中国标准分类号】:C45
【国际标准分类号】:11_040_40
【页数】:14P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforCompressivePropertiesofPlasticLumberandShapes
【原文标准名称】:塑料条材和形材压缩特性的标准试验方法
【标准号】:ASTMD6108-2003
【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(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;抗压强度;塑料;塑料件;弹性模量
【英文主题词】:Compressivestrength;Modulusofelasticity;Partsmadeofplastic;Plastics;Testing
【摘要】:
【中国标准分类号】:G31
【国际标准分类号】:83_140_01
【页数】:5P;A4
【正文语种】:英语