TB/T 2173.5-1990 铁路混凝土制品工厂试验规程 混凝土拌合用水试验
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来源:标准资料网
基本信息
标准名称: | 铁路混凝土制品工厂试验规程 混凝土拌合用水试验 |
中标分类: |
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发布日期: | |
实施日期: | 1991-12-01 |
首发日期: | |
作废日期: | |
出版日期: | |
页数: | 12页 |
适用范围
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前言
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引用标准
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所属分类:
【英文标准名称】:InformationtechnologyDatainterchangeon8mmwidemagnetictapecartridgeHelicalscanrecordingDA-2formatAdoptedbyINCITS
【原文标准名称】:信息技术.8mm宽盒式磁带的数据交换.螺旋扫描纪录.INCITS采纳的DA-2格式
【标准号】:ANSIISO/IEC15757-1998
【标准状态】:现行
【国别】:美国
【发布日期】:1998-07-15
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Specifiesthephysicalandmagneticcharacteristicsofmagnetictapecassettes,usingmagnetictape12,65mmwidesoastoprovidephysicalinterchangeofsuchcassettesbetweendrives.Alsospecifiesthequalityoftherecordedsignals,therecordingmethodandtherecordedformat,calledDigitalTapeFormat-1(DTF-1),therebyallowingdatainterchangebetweendrivesbymeansofsuchcassettes.TheformatsupportsvariablelengthLogicalRecords,highspeedsearch,andtheuseofaregisteredalgorithmfordatacompression.ThisInternationalStandardspecifiestwosizesofcassette.
【中国标准分类号】:L64;L72
【国际标准分类号】:35_220_23
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforEvaluationofModularConnectionofProximallyFixedFemoralHipProsthesis
【原文标准名称】:最接近固定股骨髋假体标准接头的评估用标准试验方法
【标准号】:ASTMF2580-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:F04.22
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:接头;评估;髋部;医疗设备;医疗技术学;模数;假体;外科学;外科植入物;测试
【英文主题词】:arthroplasty;femoralhipprostheses;orthopedicmedicaldevices;proximalfixation;totalhiparthroplasty
【摘要】:Thistestmethodcanbeusedtodescribetheeffectsofmaterials,manufacturing,anddesignvariablesonthefatigueperformanceofmetallicfemoralhipprosthesessubjecttocyclicloadingforlargenumbersofcycles.Theloadingoffemoralhipdesignsinvivowill,ingeneral,differfromtheloadingdefinedinthistestmethod.Theresultsobtainedherecannotbeusedtodirectlypredictinvivoperformance.However,thistestmethodisdesignedtoallowforcomparisonsbetweenthefatigueperformanceofdifferentmetallicfemoralhipdesigns,whentestedundersimilarconditions.Inorderforfatiguedataonfemoralhipprosthesestobecomparable,reproducible,andcapableofbeingcorrelatedamonglaboratories,itisessentialthatuniformproceduresbeestablished.1.1Thistestmethodcoversaprocedureforthefatiguetestingofmetallicfemoralhipprosthesesusedinhipjointreplacements.Thistestmethodcoverstheproceduresfortheperformanceoffatiguetestsonmetallicfemoralhipstemsusingacyclic,constant-amplitudeforce.Itappliestohipprosthesesthatutilizeproximalmetaphysealfixationandareofamodularconstruct,anditisintendedtoevaluatethefatigueperformanceofthemodularconnectionsinthemetaphysealfilling(thatis,proximalbody)regionofthestem.1.2Thistestmethodisintendedtoprovideuseful,consistent,andreproducibleinformationaboutthefatigueperformanceofmetallichipprostheseswhileheldinaproximallyfixatedmanner,withthedistalendnotheldbyapottingmedium.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【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】: