SJ 54154/1-2001 RXG12型散热器安装功率线绕固定电阻器详细规范
时间:2024-05-21 01:28:50 来源: 标准资料网 作者：标准资料网 阅读：9627
基本信息
| 标准名称： | RXG12型散热器安装功率线绕固定电阻器详细规范 |
| 英文名称： | Resistors fixed wire - wound power chassis mounted style RXG12 detail specification for |
| 中标分类： |
电子元器件与信息技术 >>
电子元件 >>
电阻器 |
| 发布部门： | 中国人民共和国信息产业部 |
| 发布日期： | 2001-12-27 |
| 实施日期： | 2002-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 归口单位： | 信息产业部电子第四研究所 |
| 起草单位： | 国营第八九三厂 |
| 起草人： | 刘秀琴 |
| 出版社： | 工业电子出版社 |
| 出版日期： | 2002-01-01 |
| 页数： | 5页 |
适用范围
本规范规定了RXG12型散热器安装功率线绕固定电阻器的详细要求。本规范适用于RXG12型散热器安装功率线绕固定电阻器。
前言
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目录
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引用标准
GJB 4154-2001 散热器安装功率线绕固定电阻器总规范
所属分类： 电子元器件与信息技术 电子元件 电阻器
【英文标准名称】:Horology.Dimensionsofrollersforsweepseconds.
【原文标准名称】:钟表业.长秒针滚柱尺寸
【标准号】:NFS85-216-1996
【标准状态】:现行
【国别】:法国
【发布日期】:1996-07-01
【实施或试行日期】:1996-07-05
【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】:
【摘要】:
【中国标准分类号】:Y11
【国际标准分类号】:39_040_01
【页数】:3P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforPillingResistanceandOtherRelatedSurfaceChangesofTextileFabrics:BrushPillingTester
【原文标准名称】:纺织纤维的抗起球性和其他相关表面变化的标准试验方法:毛刷式起球试验仪
【标准号】:ASTMD3511/D3511M-2010e1
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D13.60
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:fabric;fuzz;pills;Brushpillingtester;Pillingresistance;Surfaceanalysis--textilefabrics/fibers;Textilefabrics(general)
【摘要】:AcceptanceTesting8212;Thismethodoftestingfabricsforresistancetopillingisnotrecommendedforacceptancetesting.Ifitisusedforacceptancetesting,itshouldbeusedwithcautionbecauseinterlaboratorydataarenotavailable.Insomecasesthepurchaserandthesuppliermayhavetotestacommercialshipmentofoneormorespecificmaterialsbythebestavailablemethod,eventhoughthemethodhasnotbeenrecommendedforacceptancetesting.Iftherearedifferencesorpracticalsignificancebetweenreportedtestresultsfortwolaboratories(ormore),comparativetestsshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,thetestsamplesshouldbeusedthatareashomogeneousaspossible,drawnfromthematerialfromwhichthedisparatetestresultswereobtained,andrandomlyassignedinequalnumberstoeachlaboratoryfortesting.Othermaterialswithestablishedtestvaluesmaybeusedforthispurpose.Thetestresultsfromthetwolaboratoriesshouldbecomparedusingastatisticaltestforunpaireddata,ataprobabilitylevelchosenpriortothetestingseries.Ifabiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsforthatmaterialmustbeadjustedinconsiderationoftheknownbias.Thepillingoftextilefabricsisaverycomplexpropertybecauseitisaffectedbymanyfactorswhichmayincludetypeoffiberorblends,fiberdimensions,yarnandfabricconstruction,fabricfinishingtreatmentsandrefurbishingmethod.Testingbeforerefurbishingmaybeadviseable.Thepillingresistanceofaspecificfabricinactualwearvariesmorewithgeneralconditionsofuseandindividualwearersthaninreplicatefabricspecimenssubjectedtocontrolledlaboratorytests.Thisexperienceshouldbeborneinmindwhenadoptinglevelsofacceptabilityforanyseriesofstandards.Pillsvaryappreciablyinsizeandappearanceanddependonthepresenceoflintanddegreeofcolorcontrast.Thesefactorsarenotevaluatedwhenpillingisratedsolelyonthenumberofpills.Thedevelopmentofpillsmaybeaccompaniedbyothersurfacephenomenasuchaslossofcover,colorchange,orthedevelopmentoffuzz.Sincetheoverallacceptabilityofaspecificfabricisdependentonboththecharacteristicsofthepillsandtheotherfactorsaffectingsurfaceappearance,itissuggestedthatfabricstestedinthelaboratorybeevaluatedsubjectivelywithregardtotheiracceptabilityandnotratedsolelyonthenumberofpillsdeveloped.Aseriesofstandards,basedongraduateddegreesofsurfacechangeofthefabrictypebeingtested,maybesetuptoprovideabasisforsubjectiveratings.Thevisualstandardsaremostadvantageouswhenthelaboratorytestspecimenscorrelatecloselyinappearancewithwornfabricsandshowasimilarratioofpillstofuzz.Countingthepillsandweighingtheirnumberwithrespecttotheirsizeandcontrast,asacombinedmeasureofpillingresistance,isnotrecommendedbecauseoftheexcessivetimerequiredforcounting,sizing,andcalculation.Thedegreeoffabricpillingisevaluatedbycomparingthetestedspecimenswithvisualstandards,whichmaybeactualfabricsorphotographsoffabrics,showingarangeofpillingresistance.Theobservedresistancetopillingisreportedonanarbitraryscalerangingfrom5(nopilling)to1(veryseverepilling).Thistestmethodisapplicabletoawidevarietyofwovenandknittedfabricsthatvaryinpillingpropensityasaresultofvariationsinfiber,yarnx0026;fabricstructure,andfinish.1.1Thistestmethodcoversthedeterminationofthepropensityofafabrictoformpillsfromfuzzundertestconditionsintendedtosimulatenormal......
【中国标准分类号】:W55
【国际标准分类号】:59_080_30
【页数】:5P.;A4
【正文语种】:英语