【英文标准名称】:ElectricConnectors–CrimpTensileStrengthTestProcedure
【原文标准名称】:电连接器.卷缩抗拉强度试验程序
【标准号】:ANSI/EIA364-08B-1998
【标准状态】:现行
【国别】:美国
【发布日期】:1998-02-05
【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】:EIA
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:electricalengineering;testing;electricalcomponents;crimp-connections;electricconnectors
【摘要】:Establishesatestmethodtodeterminethetensilestrengthofacrimpedcontacttoconductorjoint.
【中国标准分类号】:L23
【国际标准分类号】:29_120_20
【页数】:
【正文语种】:英语
基本信息
| 标准名称： | 塑料挤压模具 圆形塑料压模 |
| 中标分类： |
航空、航天 >>
航空器与航天器制造用设备 >>
模具 |
| ICS分类： |
机械制造 >>
无屑加工设备 >>
模制设备和铸造设备
|
| 发布日期： | 1984-09-05 |
| 实施日期： | 1986-03-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 2页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 航空 航天 航空器与航天器制造用设备 模具 机械制造 无屑加工设备 模制设备和铸造设备
【英文标准名称】:StandardTestMethodforColorofClearLiquids(Platinum-CobaltScale)
【原文标准名称】:透明液体色度的标准试验方法(铂钴标度)
【标准号】:ASTMD1209-2005e1
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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】:D01.35
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:clearliquids;color;platinum-cobaltcolorscale;Color--organic/inorganicchemicals;Color--paints/relatedcoatings/materials;Clearliquids;Platinum-cobaltscale
【摘要】:Thepropertyofcolorofasolventvariesinimportancewiththeapplicationforwhichitisintended,theamountofcolorthatcanbetoleratedbeingdependentonthecolorcharacteristicsofthematerialinwhichitisused.Thepaint,varnish,andlacquersolvents,ordiluentscommerciallyavailableontoday''smarketnormallyhavelittleornocolor.Thepresenceorabsenceofcolorinsuchmaterialisanindicationofthedegreeofrefinementtowhichthesolventhasbeensubjectedorofthecleanlinessoftheshippingorstoragecontainerinwhichitishandled,orboth.Foranumberofyearsthetermx201C;water-whitex201D;wasconsideredsufficientasameasurementofsolventcolor.Severalexpressionsfordefiningx201C;water-whitex201D;graduallyappearedanditbecameevidentthatamoreprecisecolorstandardwasneeded.Thiswasaccomplishedin1952withtheadoptionofTestMethodD1209usingtheplatinum-cobaltscale.ThistestmethodissimilartothedescriptiongiveninStandardMethodsfortheExaminationofWaterandWasteWaterandisreferredtobymanyasx201C;APHAColor.x201D;Thepreparationoftheseplatinum-cobaltcolorstandardswasoriginallydescribedbyA.HazenintheAmericanChemicalJournalinwhichheassignedthenumber5(partspertenthousand)tohisplatinum-cobaltstocksolution.Subsequently,intheirfirstedition(1905)ofStandardMethodsfortheExaminationofWater,theAmericanPublicHealthAssociation,usingexactlythesameconcentrationofreagents,assignedthecolordesignation500(partspermillion)whichisthesameratio.Thepartspermillionnomenclatureisnotusedsincecolorisnotreferreddirectlytoaweightrelationship.Itisthereforerecommendedthattheincorrecttermx201C;HazenColorx201D;shouldnotbeused.Also,becauseitrefersprimarilytowater,thetermx201C;APHAColorx201D;isundesirable.Therecommendednomenclatureforreferringtothecoloroforganicliquidsisx201C;Platinum-CobaltColor,TestMethodD1209.x201D;ThepetroleumindustryusestheSayboltcolorimeterTestMethodD156formeasuringanddefiningthecolorofhydrocarbonsolvents;however,thissystemofcolormeasurementisnotcommonlyemployedoutsideofthepetroleumindustry.IthasbeenreportedbyvarioussourcesthataSayboltcolorof+25isequivalentto25intheplatinum-cobaltsystemortocolorsproducedbymassesofpotassiumdichromaterangingbetween4.8and5.6mgdissolvedin1Lofdistilledwater.Becauseofthedifferencesinthespectralcharacteristicsoftheseveralcolorsystemsbeingcomparedandthesubjectivemannerinwhichthemeasurementsaremade,exactequivalenciesaredifficulttoobtain.1.1Thistestmethoddescribesaprocedureforthevisualmeasurementofthecolorofessentiallylightcoloredliquids(Note1).Itisapplicableonlytomaterialsinwhichthecolor-producingbodiespresenthavelightabsorptioncharacteristicsnearlyidenticalwiththoseoftheplatinum-cobaltcolorstandardsused.Note18212;Aprocedureforestimatingcolorofdarkerliquids,describedforsolublenitrocellulosebasesolutions,isgiveninGuideD365.