MIL-STD-2411/2 (NOTICE 1)
作者:标准资料网 时间:2024-05-19 05:52:36 浏览:8973
来源:标准资料网
MIL-STD-2411/2 (NOTICE 1), DEPARTMENT OF DEFENSE INTERFACE STANDARD: INTEGRATION OF RASTER PRODUCT FORMAT FILES INTO THE NATIONAL IMAGERY TRANSMISSION FORMAT (31 MAR 2004)., The purpose of this notice is to inform users of the change in name of the preparing activity fromthe Defense and Mapping Agency (DMA) to the National Geospatial-Intelligence Agency(NGA).
【英文标准名称】:Guidetodesignanduseofbankcardswithamagneticstripethatemploystrack3
【原文标准名称】:具有使用磁迹3的磁条的银行卡的设计与使用与指南
【标准号】:BS7096-1990
【标准状态】:作废
【国别】:英国
【发布日期】:1990-12-31
【实施或试行日期】:1990-12-31
【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】:粗梳机;信用卡;银行;磁记录;卡片;磁性卡片;代码;记录道;信息交流;编码(数据转换);磁条;数据记录;数字代码
【英文主题词】:datarecording;recordingtracks;magneticrecording;informationexchange;codes;coding(dataconversion);numericcodes;cards;magneticstripes;magneticcards;creditcards;banks
【摘要】:
【中国标准分类号】:A11
【国际标准分类号】:35_240_15
【页数】:24P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodsforChemicalAnalysisofThermalInsulationMaterialsforLeachableChloride,Fluoride,Silicate,andSodiumIons
【原文标准名称】:可浸出氯化物,氟化物,硅酸盐及钠离子用绝热材料的化学分析的标准试验方法
【标准号】:ASTMC871-2008ae1
【标准状态】:现行
【国别】:
【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】:C16.31
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:化学分析;氯化物;氟化物;硅酸盐;钠;隔热
【英文主题词】:chemicalanalysis;chloride;fluoride;silicate;sodium;thermalinsulation
【摘要】:Researchhasdemonstratedthatinadditiontothehalideionchloride;fluorideions,whendepositedandconcentratedonthesurfaceofausteniticstainlesssteel,cancontributetoexternalstresscorrosioncracking(ESCC)intheabsenceofinhibitingions.TwowidelyusedinsulationspecificationsthatarespecifictoESCCallowtheuseofthesameTestMethodsC692andC871forevaluationofinsulationmaterials.Bothspecificationsrequirefluorideionstobeincludedwithchlorideionswhenevaluatingtheextractableions.Chlorides(andfluorides)canbeconstituentsoftheinsulatingmaterialoroftheenvironment,orboth.Moistureintheinsulationorfromtheenvironmentcancausechlorides(andfluorides)tomigratethroughtheinsulationandconcentrateatthehotstainlesssteelsurface.Thepresenceofsodiumandsilicateionsintheinsulationhasbeenfoundtoinhibitexternalstresscorrosioncrackingcausedbychloride(andfluoride)ions,whethersuchionscomefromtheinsulationitselforfromexternalsources.Furthermore,iftheratioofsodiumandsilicateionstochloride(andfluoride)ionsisinacertainproportionintheinsulation,externalstresscorrosioncrackingasaresultofthepresenceofchloride(andfluoride)intheinsulationwillbepreventedoratleastmitigated(seealsoSpecificationC795).1.1Thesetestmethodscoverlaboratoryproceduresforthedeterminationofwater-leachablechloride,fluoride,silicate,andsodiumionsinthermalinsulationmaterialsinthepartspermillionrange.1.2Selectionofoneofthetestmethodslistedforeachoftheionicdeterminationsrequiredshallbemadeonthebasisoflaboratorycapabilityandavailabilityoftherequiredequipmentandappropriatenesstotheconcentrationoftheionintheextractionsolution.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:91_100_60
【页数】:5P.;A4
【正文语种】:
