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EJ/T 558-1991 牛奶中氚的测定方法

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基本信息
标准名称:牛奶中氚的测定方法
中标分类: 食品 >> 食品加工与制品 >> 乳与乳制品
ICS分类: 食品技术 >> 奶和奶制品
发布日期:1991-10-11
实施日期:1992-03-01
首发日期:
作废日期:
出版日期:
页数:12页
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所属分类: 食品 食品加工与制品 乳与乳制品 食品技术 奶和奶制品
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【英文标准名称】:Petroleum,petrochemicalandnaturalgasindustries-Compositerepairsforpipework-Qualificationanddesign,installation,testingandinspection
【原文标准名称】:石油、石化和天然气工业.管道综合修理.资格认定、设计、安装、试验和验收
【标准号】:BSDDISO/TS24817-2007
【标准状态】:作废
【国别】:英国
【发布日期】:2007-01-31
【实施或试行日期】:2007-01-31
【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】:可腐蚀性;腐蚀;损伤;定义;试验(质量保证);流体设备元件;检验;维修;天然气工业;石油工业;管道;管系统;检修;监督(认可);试验
【英文主题词】:Corrodibility;Corrosion;Damage;Definitions;Examination(qualityassurance);Fluidequipmentcomponents;Inspection;Maintenance;Naturalgasindustries;Oilindustries;Pipelines;Pipingsystem;Repair;Repairs;Surveillance(approval);Testing
【摘要】:
【中国标准分类号】:E98
【国际标准分类号】:75_180_20
【页数】:76P.;A4
【正文语种】:英语


【英文标准名称】:StandardPracticeforCharacterizationofParticles
【原文标准名称】:粒子特性的标准实施规程
【标准号】:ASTMF1877-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:F04.16
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:生物配伍;评定;形态学;粒子分析;颗粒
【英文主题词】:biocompatibility;morphology;particles;SEM;weardebris
【摘要】:Thebiologicalresponsetomaterialsintheformofsmallparticles,asfromweardebris,oftenissignificantlydifferentfromthattothesamematerialsaslargerimplantcomponents.Thesizeandshape(morphology)oftheparticlesmayhaveamajoreffectonthebiologicalresponse;therefore,thispracticeprovidesastandardizednomenclaturefordescribingparticles.Suchaunifiednomenclaturewillbeofvalueininterpretationofbiologicaltestsofresponsestoparticles,inthatitwillfacilitateseparationofbiologicalresponsesassociatedwithshapefromthoseassociatedwiththechemicalcompositionofdebris.Thequantity,size,andmorphologyofparticlesreleasedasweardebrisfromimplantsinvivomayproduceanadversebiologicalresponsewhichwillaffectthelongtermsurvivalofthedevice.Characterizationofsuchdebriswillprovidevaluableinformationregardingtheeffectivenessofdevicedesignsormethodsofprocessingcomponentsandthemechanismsofwear.Themorphologyofparticlesproducedinlaboratorytestsofwearandabrasionoftenisaffectedbythetestconditions,suchasthemagnitudeandrateofloadapplication,deviceconfiguration,andtestenvironment.Comparisonofthemorphologyandsizeofparticlesproducedinvitrowiththoseproducedinvivowillprovidevaluableinformationregardingthedegreetowhichthemethodsimulatestheinvivoconditionbeingmodeled.1.1Thispracticeoutlinesaseriesofproceduresforcharacterizationofthemorphology,number,size,andsizedistributionofparticles.Themethodsutilizedincludesieves,optical,SEM,andelectrooptical.1.2Thesemethodsareappropriateforparticlesproducedbyanumberofdifferentmethods.Theseincludeweartestmachines,totaljointsimulationsystems,abrasiontesting,methodsforproducingparticulates,suchasshatterboxesorpulverizors,commerciallyavailableparticles,andparticlesharvestedfromtissuesinanimalorclinicalstudies.1.3Thedebrismayincludemetallic,polymeric,ceramic,oranycombinationofthese.1.4Thedigestionprocedurestobeusedandissuesofsterilizationofretrievedparticlesarenotthesubjectofthispractice.1.5AclassificationschemefordescriptionofparticlemorphologyisincludedinAppendixX3.1.6Asaprecautionarymeasure,removeddebrisfromimplanttissuesshouldbesterilizedorminimallydisinfectedbyanappropriatemeansthatdoesnotadverselyaffecttheparticulatematerial.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A28
【国际标准分类号】:19_120
【页数】:14P.;A4
【正文语种】: