热门站点| 世界资料网 | 专利资料网 | 世界资料网论坛
收藏本站| 设为首页| 首页

NF C42-107-1990 直接作用的指示用模拟电气测量仪器及其附件.第8部分:附件用特殊要求

作者:标准资料网 时间:2024-05-15 17:19:10  浏览:8846   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Directactingindicatinganalogueelectricalmeasuringinstrumentsandtheiraccessories.Part8:specialrequirementsforaccessories.
【原文标准名称】:直接作用的指示用模拟电气测量仪器及其附件.第8部分:附件用特殊要求
【标准号】:NFC42-107-1990
【标准状态】:现行
【国别】:法国
【发布日期】:1990-02-01
【实施或试行日期】:1990-02-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Accessories;Directmetering;Electricalengineering;Electricalmeasuringinstruments;Indications;Indicators;Measurement;Measuringinstruments;Meters;Precision;Scales;Specification(approval)
【摘要】:
【中国标准分类号】:N20
【国际标准分类号】:17_220_20
【页数】:9P;A4
【正文语种】:其他


下载地址: 点击此处下载
【英文标准名称】:StandardSpecificationandTestMethodforMetallicBonePlates
【原文标准名称】:金属骨板的检测及标准规范
【标准号】:ASTMF382-1999(2008)e1
【标准状态】:现行
【国别】:美国
【发布日期】:1999
【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】:F04.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:bendtesting&x2014;surgicalimplants;fatiguetest;boneplate;orthopedicmedicaldevices&x2014;boneplates;surgicaldevices;testmethods&x2014;surgicalimplants;Be
【摘要】:A2.5.1Thetestmethodestablishesauniformfour-pointbendingfatiguetesttocharacterizeandcomparethefatigueperformanceofdifferentboneplatedesigns.Thistestmethodmaybeusedtodetermineaboneplate''sfatiguelifeateitheraspecificoroverarangeofmaximumbendingmomentconditions.Additionally,thetestmethodmaybealternativelyusedtoestimateaboneplate''sfatiguestrengthforaspecifiednumberoffatiguecycles.A2.5.2Thetestmethodutilizesasimplifiedboneplateloadmodelthatmaynotbeexactlyrepresentativeofthein-situloadingconfiguration.Theusershouldnotethatthetestresultsgeneratedbythistestmethodcannotbeusedtodirectlypredicttheinvivoperformanceoftheboneplatebeingtested.Thedatageneratedfromthistestmethodcanbeusedtoconductrelativecomparisonsofdifferentboneplatedesigns.A2.5.3Thistestmethodmaynotbeappropriateforalltypesofimplantapplications.Theuseriscautionedtoconsidertheappropriatenessofthemethodinviewofthedevicesbeingtestedandtheirpotentialapplication.A2.5.4Thistestmethodassumesthattheboneplateismanufacturedfromamaterialthatexhibitslinear-elasticmaterialbehavior.Therefore,themethodisnotapplicablefortestingboneplatesmadefrommaterialsthatexhibitnon-linearelasticbehavior.A2.5.5Thistestmethodisrestrictedtothetestingofboneplateswithinthematerials''linear-elasticrange.Therefore,thetestmethodisnotapplicablefortestingboneplatesunderconditionsthatwouldapproachorexceedthebendingstrengthoftheboneplatebeingtested.1.1Thisspecificationandtestmethodisintendedtoprovideacomprehensivereferenceforboneplatesusedinthesurgicalinternalfixationoftheskeletalsystem.Thestandardestablishesconsistentmethodstoclassify,definethegeometriccharacteristics,andperformancecharacteristicsofboneplates.Thestandardalsopresentsacatalogofstandardspecificationsthatspecifymaterial;labelingandhandlingrequirements;andstandardtestmethodsformeasuringperformancerelatedmechanicalcharacteristicsdeterminedtobeimportanttotheinvivoperformanceofboneplates.1.2Itisnottheintentionofthestandardtodefinelevelsofperformanceorcase-specificclinicalperformanceforboneplates,asinsufficientknowledgeisavailabletopredicttheconsequencesortheiruseinindividualpatientsforspecificactivitiesofdailyliving.Futhermore,itisnottheintentionofthestandardtodescribeorspecifyspecificdesignsforboneplatesusedinthesurgicalinternalfixationoftheskeletalsystem.1.3Thisdocumentmaynotbeappropriateforalltypesofboneplates.Theuseriscautionedtoconsidertheappropriatenessofthestandardinviewofaparticularboneplateanditspotentialapplication.1.4Thisdocumentincludesthefollowingtestmethodsusedindeterminingthefollowingboneplatemechanicalperformancecharacteristics.1.4.1StandardTestMethodforSingleCycleBendTestingofMetallicBonePlatesx2014;AnnexA1.1.4.2StandardTestMethodforDeterminingtheBendingFatiguePropertiesOfMetallicBonePlatesx2014;AnnexA2.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpractices......
【中国标准分类号】:C35
【国际标准分类号】:11_040_40
【页数】:12P.;A4
【正文语种】:英语


【英文标准名称】:Potcoresofsoftmagneticferrits;effectiveparameters
【原文标准名称】:软磁铁芯.壳形铁芯.有效值
【标准号】:DIN41293Bb.2-1971
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:



版权声明:所有资料均为作者提供或网友推荐收集整理而来,仅供爱好者学习和研究使用,版权归原作者所有。
如本站内容有侵犯您的合法权益,请和我们取得联系,我们将立即改正或删除。
京ICP备14017250号-1