ANSI/EIA 616-1996 印制电路板和底板的两毫米两部件连接器
时间:2024-04-28 03:31:26 来源: 标准资料网 作者：标准资料网 阅读：9506
【英文标准名称】:Two-Millimeter,Two-PartConnectorsforUsewithPrintedBoardsandBackplanes
【原文标准名称】:印制电路板和底板的两毫米两部件连接器
【标准号】:ANSI/EIA616-1996
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:printed-circuitboards;electronicengineering;electricconnectors
【摘要】:Covershighdensityconnectorsprovidingmodulararrangementswithsignalcontacts,powercontacts,andoptionsforspecialcontacts(highcurrent/optical).ThisstandardwasorginallylistedintheAugust6,1993issueofStandardsAction.Itisbeingresubmittedduetosubstantivechangesinthetext.
【中国标准分类号】:L24
【国际标准分类号】:31_220_10
【页数】:
【正文语种】:英语
【英文标准名称】:Industrialautomationsystemsandintegration-Productdatarepresentationandexchange-Part1253:Applicationmodule:Condition
【原文标准名称】:工业自动化系统和集成.产品数据表示和交换.第1253部分:应用模式:条件
【标准号】:ISO/TS10303-1253-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC184
【标准类型】:()
【标准水平】:()
【中文主题词】:工业产品;自动化;计算机应用;数据表示;表示法;产品数据;数据交换;信息交换;信息交流;使用;自动化系统
【英文主题词】:Applications;Automation;Automationsystems;Computerapplications;Dataexchange;Datarepresentation;Industrialproducts;Informationexchange;Informationinterchange;Productdata;Representations
【摘要】:ISO/TS10303-1253:2004specifiestheapplicationmoduleforCondition.ThefollowingarewithinthescopeofISO/TS10303-1253:2004:conditionspecifiedbyatextualdescriptionwithalogicalresult;useofexternalentitiesasinputtoaconditionexpression;conditionassignment;conditionrelationships.
【中国标准分类号】:N18
【国际标准分类号】:25_040_40;35_240_50
【页数】:31P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforAcidNumberofPetroleumProductsbySemi-MicroColorIndicatorTitration
【原文标准名称】:半微量颜色指示剂滴定法测定石油产品酸值的标准试验方法
【标准号】:ASTMD3339-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D02.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:acidnumber;petroleumproducts;semi-microcolorindicatortitration;Acidnumber--petroleumproducts;Fueloils;Gasturbinefueloils;Isopropylalcohol;Lubricants(fluid);Oxidationtesting--petroleumproducts;Semi-microcolorindicatortitration;T
【摘要】:ThistestmethodmeasurestheacidnumberofoilsobtainedfromlaboratoryoxidationtestsusingsmalleramountsofsamplethanTestMethodsD974orD664.IthasspecificapplicationinTestMethodD943inwhichsmallaliquotsofoilareperiodicallyremovedfortestingbyTestMethodD3339.Thistestmethod,therefore,providesameansofmonitoringtherelativeoxidationofoils,bymeasuringchangesinacidnumber,atdifferenttimeintervalsandunderthevariousoxidizingtestconditions.FIG.1SchematicDrawingofTypicalApparatus1.1Thistestmethodcoversthedeterminationofacidicconstituentsinneworusedpetroleumproductsandlubricantssolubleornearlysolubleinmixturesoftoluene,andisopropylalcohol.ThetestmethodisespeciallyintendedforcasesinwhichtheamountofsampleavailabletobeanalyzedistoosmalltoallowaccurateanalysisbyTestMethodsD974orD664.Itisapplicableforthedeterminationofacidshavingdissociationconstantsinwaterlargerthan10x2212;9.Extremelyweakacidshavingdissociationconstantssmallerthan10x2212;9donotinterfere.Saltstitrateiftheirhydrolysisconstantsarelargerthan10x2212;9.1.2Thistestmethodcanbeusedtoindicaterelativechangesinacidnumberthatoccurinanoilduringuseunderoxidizingconditions.Althoughthetitrationismadeunderdefiniteequilibriumconditions,themethoddoesnotmeasureanabsoluteacidicpropertythatcanbeusedtopredictperformanceofanoilunderserviceconditions.Nogeneralrelationshipbetweenbearingcorrosionandacidnumberisknown.1.3SincethistestmethodrequiressubstantiallylesssamplethanTestMethodsD974orD664,itprovidesanadvantageousmeansofmonitoringanoxidationtestbychangesinacidnumberby(1)minimizingtestsampledepletionforacidnumberanalysesandthusminimizingthedisturbanceofthetestor(2)allowingadditionalacidnumberanalysestobemadewhilemaintainingthesametestsampledepletionandthusprovidingadditionaldata.Note18212;Someoils,suchasmanycuttingoils,rust-proofingoils,andsimilarcompoundedoils,orexcessivelydark-coloredoils,maybemoredifficulttoanalyzebythistestmethodduetoobscurityofthecolor-indicatorendpoint.TheseoilscanbeanalyzedbyTestMethodD664providedsufficientsampleisavailable.However,thissituationismuchlesslikelyusingTestMethodD3339thanusingTestMethodD974duetotheuseofamorehighlydilutesampleduringthetitrationandduetothegreaterstabilityoftheendpointcolorchange.TheacidnumbersobtainedbyTestMethodD3339mayormaynotbenumericallythesameasthoseobtainedbyTestMethodD664buttheyshouldbeofthesameorderofmagnitude.Note28212;TheresultsobtainedusingthismethodhavebeenfoundtobenumericallythesameasthoseobtainedusingTestMethodD974,withintheprecisionofthetwomethods,forneworoxidizedlubricantsofthetypeprimarilyintendedforhydraulicorsteamturbinetypeservice.TheoxidizedlubricantswereobtainedusingtheTestMethodD943oxidationtest.Thiscorrelationisshownbythecorrelationcoefficientr