BS 7302-1990 微处理器通用格式目标模块规范
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【英文标准名称】:Specificationformicroprocessoruniversalformatobjectmodules
【原文标准名称】:微处理器通用格式目标模块规范
【标准号】:BS7302-1990
【标准状态】:作废
【国别】:英国
【发布日期】:1990-10-31
【实施或试行日期】:1990-10-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:计算机软件;句法;模数;程序设计;程序设计语言;合格;数字计算机;面向计算机语言;程序设计技术;计算机技术;软件技术;微处理机;计算机程序;目标模块
【英文主题词】:Binarydigits;Dataformats;Datalayout;Dataprocessing;Definitions;Electricalengineering;Exchangeformats;Formats;Informationexchange;Informationinterchange;Informationprocessing;Microprocessors;Objectmodules
【摘要】:Specifiestheformatoflinkable,relocatable,andabsoluteobjectmodulesforbinarycomputersofarbitraryworksizeandarchitecture.Twolevelsofcompliancearespecified,minimumandfull.
【中国标准分类号】:L60
【国际标准分类号】:35_160
【页数】:40P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforChipImpactStrengthofPlastics
【原文标准名称】:塑料破碎碎片冲击强度的标准试验方法
【标准号】:ASTMD4508-2010
【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】:D20.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:breakingenergy;cantileverimpact;chipimpactstrength;impactplastics;impacttesting;microcracks;pendulum;plastics;smallspecimenimpact;weatheredimpactstrength;Chipimpactstrength;Environmentalcontrol/fate;Cantilevertesting;E
【摘要】:Thechip-impacttestisavariationoftheIzodimpacttestdescribedinTestMethodsD256.Thespecimengeometryhasbeenchosentofitthreebasiccriteriaasfollows:Thespecimenisrelativelythinandisstruckonthebroadsurfacesothatthetestresultissensitivetotheconditionofthesurface,Thespecimenisrelativelysmallforefficientutilizationofspaceinacceleratedtestingmediaordevicesandtominimizeamountsofmaterialneededfortesting,andThespecimencanbetestedusingastandardIzodpendulumtester.Ithasbeenfoundthata12.7-mm(0.500-in.)widestripwithathicknessintherangefrom1.02to3.18mm(0.040to0.125in.)meetstheabovecriteria.Muchexperimentalworkon1.78-mm(0.070-in.)stripshasdemonstratedtheutilityofthechip-impacttesttotrackweatheragingofavarietyofmaterials.Thedistance(L)betweenclampingandimpactpoints(strikerheight)willaffecttestresults.ExtensiveexperimentalworkhasestablishedthataratioofL=2.182h(whereListhedistancebetweenclampingandimpactpointsandhisthethicknessofthespecimen)willprovideaccurateandsensitivechip-impactvalues.Increasingthisratio(thatis,raisingthestrikerheightforagiventhickness)lowerschip-impactvaluesandreducessensitivityofthetest.Decreasingtheaboveratio(thatis,loweringthestrikerheightforagiventhickness)resultsinashearingofthespecimenratherthanthedesiredbendingandbreaking.Ingeneral,thechip-impactvalueduringweatheringvariesaccordingtospecimenthickness,evenafteradjustingstrikerheightsforconstantdeflection,asgiveninTable1.Reportthethicknessofthespecimen,alongwiththetestvalues,makingcomparisonsonlybetweensampleswithsimilarthickness.ThestandardIzodMethodsA,C,D,andErequirethatthetypeoffailureforeachspecimenberecordedasoneofthefourcodedcategoriesdefinedasfollows:1.1Thepurposeofthistestmethodistoprovideanimpacttestthatcanbeperformedonsmallspecimensofplasticsofdifferentthicknesses.Thistestmethodisespeciallysuitedforobservingtheeffectsofmicrocrackscausedbyweathering,orbyexposuretosolventsorotherhostileenvironments,onthesurfaceofplasticmaterials.Itisnotmeanttobeusedasareplacementforanyexistingimpacttest,butcanbeusedtomeasureimpactoncouponsmachinedfromfinishedpartsthatcannotbetestedbythedrop-weight,Izod,orCharpymethodbecauseofshapeorthicknesslimitations.1.2Thechip-impacttestisrunonsmall,flat,unnotchedspecimensusingastandardpendulum-impactdevice.Thetestplacestheimpactedsurfaceintensionand,fornotch-sensitivematerials,isextremelysensitivetothepresenceofsurfacemicrocracks.Thus,forplasticsthatdevelopsurfacecrackswhenexposedoutdoors,thechip-impacttestisaseveretestoftheweatheredimpactstrength.1.3Round-robintestinghasindicatedthatmaterialsthatbreakattotalenergyvaluesoflessthan0.17joules(1.5in.-lbf)havewithin-laboratorycoefficientsofvariationofapproximately30%.Therefore,suchvaluesareconsideredoutofthenormaltestingrangeforthistest.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.5ThereisnoknownISOequivalenttothistestmethod.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuser......
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:6P.;A4
【正文语种】:英语
【英文标准名称】:Solventlesspolymerisableresinouscompoundsusedforelectricalinsulation-Specificationforindividualmaterials-Filledpolyurethanecompounds
【原文标准名称】:电气绝缘用无溶剂可聚合树脂化合物规范.第3部分:各型材料规范.第4节:加填料的聚氨酯化合物
【标准号】:BS5664-3.4-1995
【标准状态】:作废
【国别】:英国
【发布日期】:1995-08-15
【实施或试行日期】:1995-08-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:特性;石英;固体绝缘材料;聚氨酯;填充料;电绝缘材料;液体电绝缘材料;高聚物
【英文主题词】:electricalengineering;properties;polyurethane;plastics;electricalinsulatingmaterials;testing;insulatingmaterials;specification(approval);specifications;materials;reactionresins;insulations
【摘要】:
【中国标准分类号】:K15
【国际标准分类号】:29_035_20
【页数】:12P;A4
【正文语种】:英语
