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BS EN 61300-2-19-2005 纤维光学互连器件和无源元件.基本试验和测量程序.第2-19部分:试验.湿热(稳态)

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【英文标准名称】:Fibreopticinterconnectingdevicesandpassivecomponents-Basictestandmeasurementprocedures-Part2-19:Tests-Dampheat(steadystate)
【原文标准名称】:纤维光学互连器件和无源元件.基本试验和测量程序.第2-19部分:试验.湿热(稳态)
【标准号】:BSEN61300-2-19-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2006-02-27
【实施或试行日期】:2006-02-27
【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】:连接工艺;湿热试验;电气工程;纤维光学;玻璃纤维电缆;热学;湿度;测量技术;光波导;温度;测试
【英文主题词】:Connectiontechnology;Damp-heattests;Electricalengineering;Fibreoptics;Glassfibrecables;Heat;Humidity;Measuringtechniques;Opticalwaveguides;Temperature;Testing
【摘要】:ThispartofIEC61300detailsaprocedurefordeterminingthesuitabilityofafibreopticdevicetowithstandtheenvironmentalconditionofhighhumidityandhightemperaturewhichmayoccurinactualuse,storageand/ortransport.Thetestisprimarilyintendedtopermittheobservationofeffectsofhighhumidityatconstanttemperatureoveragivenperiod.Absorptionofmoisturemayresultinswellingthatwoulddestroyfunctionalutility,causelossofphysicalstrength,andcausechangesinotherimportantmechanicalproperties.Degradationofopticalpropertiesmayalsooccur.Althoughnotnecessarilyintendedasasimulatedtropicaltest,thistestcan,nevertheless,beusefulindeterminingmoistureabsorptionofinsulatingorcoveringmaterials.
【中国标准分类号】:L23
【国际标准分类号】:33_180_20
【页数】:10P.;A4
【正文语种】:英语


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【英文标准名称】:Informationanddocumentation-Georgianalphabetcodedcharactersetforbibliographicinformationinterchange
【原文标准名称】:信息和文件管理.文献信息交换用乔治亚字母代码字符集
【标准号】:BSISO10586-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-10-15
【实施或试行日期】:1997-10-15
【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】:代码;数据处理;信息交流;数据表示;图书馆学与情报学;代码字符集;代码表示;字符集;格鲁吉亚;字母表;图形显示字符;字符表示
【英文主题词】:Alphabets;Bibliographicreferences;Charactersets;Documentations;Georgian;Information;Informationinterchange;Languages;Terminology
【摘要】:Specifiesasetof42graphiccharactersinthemodernGeorgianscript.Consistsofacodetableandalegendwithexplanatorynotescontainingeachgraphic,itsuseanditsname.Thecharactersetisprimarilyintendedfortheinterchangeofinformationamongdataprocessingsystemsandwithinmessagetransmissionsystems.
【中国标准分类号】:L71;A14
【国际标准分类号】:35_040
【页数】:12P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforViscosityofCelluloseDerivativesbyBall-DropMethod
【原文标准名称】:用落球法测定纤维素衍生物粘度的标准试验方法
【标准号】:ASTMD1343-1995(2006)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:D01.36
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;粘度;树脂;地板覆盖物;球跌落试验;涂料;纤维素衍生物;纤维素
【英文主题词】:balldrop;celluloseesters;viscosity
【摘要】:Thistestprovidesaneasymethodofdeterminingtheviscosityofcellulosederivativesinagivensolvent.Theanswersareinunitscommonlyusedinindustrialpractice.Suchinformationisneededforcellulosederivativesthataretobeextruded,molded,sprayed,orbrushedasisorinsolution.1.1Thistestmethoddescribestheapparatusandgeneralprocedureformakingball-dropviscositymeasurementsonsolutionsofvariouscellulosederivatives.Instructionsforsamplepreparation,solutionconcentration,andotherdetailsarediscussedintheASTMmethodsfortherespectivecellulosederivatives.1.2Thistestmethodisapplicabletosolutionsofvariouscellulosederivativeshavingviscositiesgreaterthan10P,byusingballsofvariousdiametersanddensities.Viscosityresultsareexpressedpreferablyinpoises.1.3Incommercialpractice,viscositiesareoftenexpressedinsecondsusing2.38-mm(3/32-in.)stainlesssteelballs.Whentheviscosityisoutsidethepracticalrangefortheseballs(75to300P),themeasurementcanbemadeusingacalibratedpipetviscometeroradifferentballandcalculatingtheobservedviscositytothecorrespondingtimefora2.38-mm(3/32-in.)ball,eventhoughitisasmallfractionofasecond.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W04
【国际标准分类号】:85_040
【页数】:4P.;A4
【正文语种】: