ISO 6441-1-1999 色漆和清漆显微压痕硬度的测定第1部分:通过压痕长度的测量表示努氏硬度
时间:2024-05-10 05:15:57 来源: 标准资料网 作者：标准资料网 阅读：8387
【英文标准名称】:Paintsandvarnishes-Determinationofmicro-indentationhardness-Part1:Knoophardnessbymeasurementofindentationlength
【原文标准名称】:色漆和清漆显微压痕硬度的测定第1部分:通过压痕长度的测量表示努氏硬度
【标准号】:ISO6441-1-1999
【标准状态】:作废
【国别】:国际
【发布日期】:1999-12
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC35
【标准类型】:()
【标准水平】:()
【中文主题词】:显微硬度试验;测量;努氏硬度;显微硬度;压痕硬性;耐压痕;硬度测量;涂料;测定;试验;试验;清漆
【英文主题词】:paints;testing;resistancestoindentation;measuring;tests;varnishes;indentationhardness;determination;microhardnesstesting;knoophardness;microhardness;hardnessmeasurement
【摘要】:
【中国标准分类号】:G51
【国际标准分类号】:87_040
【页数】:15P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforElectricalPerformanceofConcentratorTerrestrialPhotovoltaicModulesandSystemsUnderNaturalSunlight
【原文标准名称】:在自然光下集中陆地光电模块和系统的电气性能评级的标准试验方法
【标准号】:ASTME2527-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:E44.09
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:concentrator;modules;performance;photovoltaic;rating;reporting;systems;testing;Electricalperformance;Photovoltaic(PV)powersystems;Solarenergy
【摘要】:Itistheintentofthistestmethodtoprovidearecognizedprocedurefortestingandreportingtheelectricalperformanceofaphotovoltaicconcentratormoduleorsystem.Ifaninverterisusedaspartofthesystem,thistestmethodcanprovideadcoracratingorboth.Thedcoracratingdependsonwhethertheinverterinputoroutputismonitored.Thetestresultsmaybeusedforcomparisonamongagroupofmodulesorsystemsfromasinglesource.Theyalsomaybeusedtocomparediversedesigns,suchasproductsfromdifferentmanufacturers.Repeatedmeasurementsofthesamemoduleorsystemmaybeusedforthestudyofchangesindeviceperformanceoveralongperiodoftimeorasaresultofstresstesting.Thetestmethodislimitedtomodulesandsystemswheretheconcentratedirradianceonthecomponentcellsisgreaterthan5000Wm-2atEo.Thislimitationisnecessarybecausethetotalirradianceismeasuredwitharadiometerwithafieldofviewlessthan6x00B0;andbecausethecorrelationbetweenthedirectirradianceandthepowerproduceddecreaseswithincreasingconcentratorfieldofview.Thistestmethodassumesthattheregressionequationaccuratelypredictstheconcentratorperformanceasafunctionoftotalirradiancewithafixedspectralirradiance,windspeed,andairtemperature.Thespectraldistributionwillbeseasonalandsitespecificbecauseofopticalairmass,watervapor,aerosols,andothermeteorologicalvariables.1.1Thistestmethodcoversthedeterminationoftheelectricalperformanceofphotovoltaicconcentratormodulesandsystemsundernaturalsunlightusinganormalincidencepyrheliometer.1.2Thetestmethodislimitedtomoduleassembliesandsystemswherethegeometricconcentrationratiospecifiedbythemanufacturerisgreaterthan5.1.3Thistestmethodappliestoconcentratorsthatusepassivecoolingwherethecelltemperatureisrelatedtotheairtemperature.1.4Measurementsunderavarietyofconditionsareallowed;resultsarereportedunderaselectsetofconcentratorreportingconditionstofacilitatecomparisonofresults.1.5Thistestmethodappliesonlytoconcentratorterrestrialmodulesandsystems.1.6Thistestmethodassumesthatthemoduleorsystemelectricalperformancecharacteristicsdonotchangeduringtheperiodoftest.1.7Theperformanceratingdeterminedbythistestmethodappliesonlyattheperiodofthetest,andimpliesnopastorfutureperformancelevel.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:F12
【国际标准分类号】:27_160
【页数】:3P.;A4
【正文语种】:英语
【英文标准名称】:Tyresforpassengercars;"70"seriesradialtyres
【原文标准名称】:轿车轮胎."70"系列径向花纹轮胎
【标准号】:DIN7803Bb.4-1975
【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】:G41
【国际标准分类号】:
【页数】:
【正文语种】: