HG 2-1049-1977 电泳漆库仑效率测定法
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基本信息
| 标准名称： | 电泳漆库仑效率测定法 |
| 中标分类： | 化工 >> 涂料、颜料、染料 >> 涂料 |
| 替代情况： | 改号为HG/T 3337-1977 |
| 发布日期： | |
| 实施日期： | 2004-05-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 1页 |
适用范围
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引用标准
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所属分类： 化工 涂料 颜料 染料 涂料
下载地址: 点击此处下载
【英文标准名称】:Real-timeEthernetVnet/IPspecification
【原文标准名称】:实时以太网Vnet/IP规范
【标准号】:IEC/PAS62405-2005
【标准状态】:作废
【国别】:国际
【发布日期】:2005-06
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/SC65C
【标准类型】:()
【标准水平】:()
【中文主题词】:通信系统;数据类型;传播技术;参考模型;数据服务;数据链层;7层模式;应用层;数据通信;总规范;开式系统;数据模型;数据格式;开放系统互连;数据连接系统;以太网;远程通信;传播学;OSI;网络互连;数据处理;信息处理;信息技术;信息交换;信息交流;物理层;定义;基础
【英文主题词】:Applicationlayer;Basis;Communication;Communicationsystems;Communicationtechnology;Datacommunication;Dataformats;Datalinklayers;Datalinksystem;Datamodels;Dataprocessing;Dataservices;Datatypes;Definition;Definitions;Ethernet;Genericspecification;Informationexchange;Informationinterchange;Informationprocessing;Informationtechnology;Networkinterconnection;Opensystems;Opensystemsinterconnection;OSI;Physicallayers;Referencemodel;Seven-layer-model;Telecommunication;Telecommunications
【摘要】:
【中国标准分类号】:M11
【国际标准分类号】:35_110
【页数】:156P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforMeasuringFrettingCorrosionofOsteosynthesisPlatesandScrews
【原文标准名称】:测量接骨用板和钉磨蚀的标准试验方法
【标准号】:ASTMF897-2002(2007)
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:F04.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:医疗设备;腐蚀;医学科学;螺钉;试验;板;测量
【英文主题词】:corrosion-surgicalimplants;cracking-stress-corrosion;loadingtests-surgicalmaterials/applications;orthopaedicmedicaldevices-boneplates;orthopaedicmedicaldevices-bonescrews;osteosynthesis;seals;stress-metallicmaterials;testingmethods-surg
【摘要】:Itiswellknownfromexaminationofimplantsafterusethatplatesandscrewsusedforosteosynthesisaresubjectedtometallossduetocorrosionattheplate-screwinterfaces.Oneofthemechanismsofthiscorrosiveattackisfrettingcorrosionduetorelativemotion(micromotion)betweenthescrewheadsandplate-holecountersinks.Itisalsoknownthatreleaseofcorrosionproductsintothetissuessurroundinganimplantmayhaveadverseeffectsonlocaltissueorhavesystemiceffects.Thus,itisimportanttominimizetheamountoftissueexposuretocorrosionproducts.ScrewsandplatesareavailableindifferentconfigurationsinaccordancewithSpecificationsF543andF382.Thistestmethodmaybeusedtoevaluatetheeffectsofdifferentcombinationsofscrewandplatedesigns.Asnewmaterialsanddevicedesignsaredevelopedforuseinthetreatmentoffracturedbones,itisimportanttodeterminetheeffectsthesedevelopmentshaveontheamountofmetallossduetofrettingcorrosion.Thistestmethodprovidesastandardizedscreeningtestforrankingmetalplatesandscrewsintermsofresistancetofrettingcorrosionandfordeterminingtheinfluenceofdifferentsolutionsonfrettingcorrosionrates.Thistestmethodmayalsobeusedtogeneratecorrosionproductseitherforchemicalanalysisoftheproductsorfortestingforbiologicalreactionstocorrosionproductsusinganimalorcellculturemethods.Itiswellknownthatfrettingcorrosionratesdependonnormalloadorpressure,frequency,slidingamplitude,materials,surfacetreatments,andenvironmentalfactors.(4)Therefore,whendeterminingtheeffectofchangingoneoftheseparameters(forexample,materialorenvironment),allothersmustbekeptconstanttofacilitateinterpretationoftheresults.1.1Thistestmethodprovidesascreeningtestfordeterminingtheamountofmetallossfromplatesandscrewsusedforosteosynthesis(internalfixationofbrokenbones)duetofrettingcorrosioninthecontactareabetweenthescrewheadandtheplateholecountersinkarea.Theimplantsareusedintheformtheywouldbeusedclinically.Themachinedescribedgeneratesarelativemotionbetweenplatesandscrewswhichsimulatesonetypeofmotionpatternthatcanoccurwhenthesedevicesareusedclinically.1.2Sincetheenvironmentalandstressconditionsusedinthistestmethodmaynotbeidenticaltothoseexperiencedbyboneplatesinthehumanbody,thistestmethodmayproducefrettingcorrosionratesthatarelowerorhigherthanthoseexperiencedinpractice.Therecommendedaxialloadof400Nwasselectedasbeinginarangewheretheamountoffrettingcorrosionisnotsensitivetosmallchangesinaxialload(1).Thecombinationoftherecommendedloadandangulardisplacementaresuchthatameasurableamountoffrettingcorrosionofsurgicalalloysoccursinacomparativelyshortperiodoftime(7to14days).(Refs1-3)1.3Thedeviceisdesignedsoastofacilitatesterilizationofthetestspecimensandtestchamberstopermittestingwithproteinaceoussolutionsthatwouldbecomecontaminatedwithmicrobialgrowthinnonsterileconditions.1.4Thespecimensusedcanbestandardosteosynthesisimplantsorcanbematerialsfabricatedintotheappropriateshapes.1.5Thistestmethodmaybeusedfortestingthefrettingcorrosionofmetalplatesandscrewsofsimilarordifferentalloycompositions,oritmaybeusedfortestingthefrettingcorrosionofmetal-nonmetalcombinations.Thistestmethodmayalsobeusedforwearordegradationstudiesofnonmetallicmaterials.Thistestmethodmaybeusedasascreeningtesttorankthecorrosivitiesofsalineorproteinace......
【中国标准分类号】:C35
【国际标准分类号】:11_040_40
【页数】:5P.;A4
【正文语种】:
【原文标准名称】:实时以太网Vnet/IP规范
【标准号】:IEC/PAS62405-2005
【标准状态】:作废
【国别】:国际
【发布日期】:2005-06
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/SC65C
【标准类型】:()
【标准水平】:()
【中文主题词】:通信系统;数据类型;传播技术;参考模型;数据服务;数据链层;7层模式;应用层;数据通信;总规范;开式系统;数据模型;数据格式;开放系统互连;数据连接系统;以太网;远程通信;传播学;OSI;网络互连;数据处理;信息处理;信息技术;信息交换;信息交流;物理层;定义;基础
【英文主题词】:Applicationlayer;Basis;Communication;Communicationsystems;Communicationtechnology;Datacommunication;Dataformats;Datalinklayers;Datalinksystem;Datamodels;Dataprocessing;Dataservices;Datatypes;Definition;Definitions;Ethernet;Genericspecification;Informationexchange;Informationinterchange;Informationprocessing;Informationtechnology;Networkinterconnection;Opensystems;Opensystemsinterconnection;OSI;Physicallayers;Referencemodel;Seven-layer-model;Telecommunication;Telecommunications
【摘要】:
【中国标准分类号】:M11
【国际标准分类号】:35_110
【页数】:156P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforMeasuringFrettingCorrosionofOsteosynthesisPlatesandScrews
【原文标准名称】:测量接骨用板和钉磨蚀的标准试验方法
【标准号】:ASTMF897-2002(2007)
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:F04.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:医疗设备;腐蚀;医学科学;螺钉;试验;板;测量
【英文主题词】:corrosion-surgicalimplants;cracking-stress-corrosion;loadingtests-surgicalmaterials/applications;orthopaedicmedicaldevices-boneplates;orthopaedicmedicaldevices-bonescrews;osteosynthesis;seals;stress-metallicmaterials;testingmethods-surg
【摘要】:Itiswellknownfromexaminationofimplantsafterusethatplatesandscrewsusedforosteosynthesisaresubjectedtometallossduetocorrosionattheplate-screwinterfaces.Oneofthemechanismsofthiscorrosiveattackisfrettingcorrosionduetorelativemotion(micromotion)betweenthescrewheadsandplate-holecountersinks.Itisalsoknownthatreleaseofcorrosionproductsintothetissuessurroundinganimplantmayhaveadverseeffectsonlocaltissueorhavesystemiceffects.Thus,itisimportanttominimizetheamountoftissueexposuretocorrosionproducts.ScrewsandplatesareavailableindifferentconfigurationsinaccordancewithSpecificationsF543andF382.Thistestmethodmaybeusedtoevaluatetheeffectsofdifferentcombinationsofscrewandplatedesigns.Asnewmaterialsanddevicedesignsaredevelopedforuseinthetreatmentoffracturedbones,itisimportanttodeterminetheeffectsthesedevelopmentshaveontheamountofmetallossduetofrettingcorrosion.Thistestmethodprovidesastandardizedscreeningtestforrankingmetalplatesandscrewsintermsofresistancetofrettingcorrosionandfordeterminingtheinfluenceofdifferentsolutionsonfrettingcorrosionrates.Thistestmethodmayalsobeusedtogeneratecorrosionproductseitherforchemicalanalysisoftheproductsorfortestingforbiologicalreactionstocorrosionproductsusinganimalorcellculturemethods.Itiswellknownthatfrettingcorrosionratesdependonnormalloadorpressure,frequency,slidingamplitude,materials,surfacetreatments,andenvironmentalfactors.(4)Therefore,whendeterminingtheeffectofchangingoneoftheseparameters(forexample,materialorenvironment),allothersmustbekeptconstanttofacilitateinterpretationoftheresults.1.1Thistestmethodprovidesascreeningtestfordeterminingtheamountofmetallossfromplatesandscrewsusedforosteosynthesis(internalfixationofbrokenbones)duetofrettingcorrosioninthecontactareabetweenthescrewheadandtheplateholecountersinkarea.Theimplantsareusedintheformtheywouldbeusedclinically.Themachinedescribedgeneratesarelativemotionbetweenplatesandscrewswhichsimulatesonetypeofmotionpatternthatcanoccurwhenthesedevicesareusedclinically.1.2Sincetheenvironmentalandstressconditionsusedinthistestmethodmaynotbeidenticaltothoseexperiencedbyboneplatesinthehumanbody,thistestmethodmayproducefrettingcorrosionratesthatarelowerorhigherthanthoseexperiencedinpractice.Therecommendedaxialloadof400Nwasselectedasbeinginarangewheretheamountoffrettingcorrosionisnotsensitivetosmallchangesinaxialload(1).Thecombinationoftherecommendedloadandangulardisplacementaresuchthatameasurableamountoffrettingcorrosionofsurgicalalloysoccursinacomparativelyshortperiodoftime(7to14days).(Refs1-3)1.3Thedeviceisdesignedsoastofacilitatesterilizationofthetestspecimensandtestchamberstopermittestingwithproteinaceoussolutionsthatwouldbecomecontaminatedwithmicrobialgrowthinnonsterileconditions.1.4Thespecimensusedcanbestandardosteosynthesisimplantsorcanbematerialsfabricatedintotheappropriateshapes.1.5Thistestmethodmaybeusedfortestingthefrettingcorrosionofmetalplatesandscrewsofsimilarordifferentalloycompositions,oritmaybeusedfortestingthefrettingcorrosionofmetal-nonmetalcombinations.Thistestmethodmayalsobeusedforwearordegradationstudiesofnonmetallicmaterials.Thistestmethodmaybeusedasascreeningtesttorankthecorrosivitiesofsalineorproteinace......
【中国标准分类号】:C35
【国际标准分类号】:11_040_40
【页数】:5P.;A4
【正文语种】:
