您的位置: 标准下载 » 国际标准 » ISO 国际标准 »

ISO 12987-2004 铝制品用碳质材料.阳极、阴极块、侧壁砖和烤灌糊.使用比较法进行热传导性的测定

作者:标准资料网 时间:2024-05-21 15:18:10  浏览:9964   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Carbonaceousmaterialsfortheproductionofaluminium-Anodes,cathodesblocks,sidewallblocksandbakedrammingpastes-Determinationofthethermalconductivityusingacomparativemethod
【原文标准名称】:铝制品用碳质材料.阳极、阴极块、侧壁砖和烤灌糊.使用比较法进行热传导性的测定
【标准号】:ISO12987-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-07
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC47
【标准类型】:()
【标准水平】:()
【中文主题词】:碳;碳素材料;比较试验;铝;固体;填塞材料;热试验;导热性;阳极;冶炼;阴极;石墨;生产;石墨材料;测量技术;测量;环境温度;材料试验;定义;试验;比较法
【英文主题词】:
【摘要】:ThisInternationalStandardspecifiesamethodforthedeterminationofthermalconductivityofcarbonaceousmaterialinthetemperaturerangeof20℃to60℃.Thetypicalrangeofthermalconductivityforthesematerialsis2W/(K·m)to100W/(K·m).Thismethodcanbeusedforothercarbonmaterials,suchasgraphitizedelectrodesforotherapplications.
【中国标准分类号】:K16
【国际标准分类号】:71_100_10
【页数】:6P;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:StandardGuideforFunctional,Kinematic,andWearAssessmentofTotalDiscProstheses
【原文标准名称】:总脊面假体的功能的、运动学的和磨损的评估标准指南
【标准号】:ASTMF2423-2005
【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】:F04.25
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:评估;函数;运动学的;总计;磨损
【英文主题词】:intervertebraldiscprosthesis;IVD;spinalimplants;wearassessment;weightlossmethod
【摘要】:Thisguidecanbeusedtodescribethefunction,kinematics,andwearbehaviorofIVDprosthesessubjectedtocyclicloading/motionforrelativelylargenumbersofcycles(forexample,variousdesignsofIVDprostheses,aswellastheeffectsofmaterials,manufacturingtechniquesandotherdesignvariablesononeparticulardesigncanbestudiedusingthisguide).ThisguideisintendedtobeapplicabletoIVDprosthesesthatsupportandtransmitmotionbymeansofanarticulatingjointorbyuseofcompliantmaterials.Ceramics,metals,orpolymers,orcombinationthereof,areusedinIVDprosthesisdesign,anditisthegoalofthisguidetoenableakinematicwearcomparisonofthesedevices,regardlessofmaterialandtypeofdevice.1.1Thisguideisintendedtoprovideguidanceforthefunctional,kinematic,andweartestingoftotaldiscprosthesesand,tothisend,describestestmethodsforassessmentofthewearorfunctionalcharacteristics,orboth,oftotaldiscprostheses.1.2Bothlumbarandcervicalprosthesesareaddressed.1.3Loadandkinematicprofilesforlumbarandcervicaldevicesarenotidenticaland,therefore,areaddressedseparatelyintheguide.1.4Partialdiscreplacements,suchasnucleusreplacementsorfacetjointreplacements,arenotintendedtobeaddressed.1.5Wearisassessedusingaweightlossmethodinatestingmediumasdefinedinthisguide.1.6Thisguideisnotintendedtoaddressanypotentialfailuremodeasitrelatestothefixationoftheimplanttoitsbonyinterfaces.1.7Itistheintentofthisguidetoenablecomparisonofintervertebraldisc(IVD)prostheseswithregardtokinematic,functional,andwearcharacteristicswhentestedunderthespecifiedconditions.Itmustberecognized,however,thattherearemanypossiblevariationsintheinvivoconditions.Asinglelaboratorysimulationwithafixedsetofparametersmaynotbeuniversallyrepresentative.1.8Inorderthatthedatabereproducibleandcomparablewithinandbetweenlaboratories,itisessentialthatuniformproceduresareestablished.Thisguideisintendedtofacilitateuniformmethodsfortestingandreportingofdatafortotaldiscreplacementprostheses.1.9WithoutasubstantialclinicalretrievalhistoryofIVDprostheses,actualloadingprofilesandpatternscannotbedelineatedatthetimeofthewritingofthisguide.Itthereforefollowsthattheloadandmotionconditionsspecifiedbythisguidedonotnecessarilyaccuratelyreproducethoseoccurringinvivo.Rather,themaximumloadsandmotionsspecifiedinthisguiderepresentasevereandthereforeconservativecasefortestingthewearpropertiesofIVDprostheses.Becauseofthis,asubstantiallygreaterrateofwearmayberealizedthanthatwhichmayoccurduringtheroutinedailyactivitiesofatypicalpatient.Itshouldbenoted,however,thatafullcharacterizationofacandidateIVDprosthesisshouldincludetestingunderbothtypicalandextremeconditions.1.10ThevaluesstatedinSIunitsaretoberegardedasthestandardwiththeexceptionofangularmeasurements,whichmaybereportedineitherdegreesorradians.1.11Thisguideisnotintendedtobeaperformancestandard.Itistheresponsibilityoftheuserofthisguidetocharacterizethesafetyandeffectivenessoftheprosthesisunderevaluation.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C35
【国际标准分类号】:11_040_40
【页数】:10P.;A4
【正文语种】:


基本信息
标准名称:针织用舌针 圆纬机针
中标分类: 纺织 >> 纺织机械与器具 >> 针织、纺织制品机械与器具
ICS分类: 纺织和皮革技术 >> 纺织机械 >> 针织机械
替代情况:FJ 1055-1979
发布部门:中华人民共和国纺织工业部
发布日期:1991-12-06
实施日期:1992-10-01
首发日期:1900-01-01
作废日期:1900-01-01
提出单位:纺织工业技术部装备司
归口单位:上海纺织器材研究所
起草单位:上海纺织器材研究所
出版日期:1992-10-01
页数:12页
适用范围

本标准规定了圆纬机针的产品分类、技术要求、试验方法、检验规则、标志、包装、运输、贮存。
本标准适用于圆纬机针。

前言

没有内容

目录

没有内容

引用标准

没有内容

所属分类: 纺织 纺织机械与器具 针织 纺织制品机械与器具 纺织和皮革技术 纺织机械 针织机械