【英文标准名称】:Informationtechnology-Computergraphicsandimageprocessing-Encodingfortheimageinterchangefacility(IIF)
【原文标准名称】:信息技术.计算机制图和图象处理.图象互换功能编码(IIF)
【标准号】:BSISO/IEC12089-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-02-15
【实施或试行日期】:1998-02-15
【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】:语义学;计算机应用;数据块;信息交流;数据处理;计算机制图;代码转换;句法;图解表示法;编码(数据转换);文件结构(计算机)
【英文主题词】:Computergraphics;Dataconversion;Dataprocessing;Definition;Definitions;Encoding;Imageprocessing;Informationinterchange;Informationtechnology;Rules
【摘要】:ThisInternationalStandarddefinestheencodingruleswhichshallapplytotherepresentationofIPI-IIFimagedata.TheIPI-IIFdataformatisdefinedinISO/IEC12087-3,called,,ImageInterchangeFacility(IIF)".ItisPart3oftheImageProcessingandInterchangeInternationalStandard,definedinISO/IEC12087.TheIPI-IIFfacilitatestheinterchangeofdigitalimages.Itconsistsoftwomajorparts:(1)theIPI-IIFdataformat(IIF-DF)definition,whosesyntaxisdescribedusingASN.l;(2)theIPI-IIFgatewaydefinition,whosefunctionalityisdescribedbyanapplicationprogrammersinterface.TheIPI-IIFisbasedonthedefinitiondescribedinPart1,CommonArchitectureforImaging(CAI)oftheISO/IEC12087.DuetothefactthatthesyntaxoftheIIF-DFisexpressedusingtheAbstractSyntaxNotationOne(ASN.l),definedbyISO/IEC8824,thisstandardmakesuseoftheBasicEncodingRules(BER)forASN.l,byreferringtoISO/IEC8825forthedefinitionofencodingrules.NOTE-ArationalefortheintroductionofnewencodingrulesinadditiontothosedefinedbytheBERisgiveninclause4.ReferenceshallbemadetothisInternationalStandard,anditsdefinitionsshallbeemployed,wheneverimagesareinterchanged,accordingtotheIIF-DF,definedinISO/IEC12087-3.
【中国标准分类号】:L81
【国际标准分类号】:35_140
【页数】:28P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforBariuminWater,AtomicAbsorptionSpectrophotometry,GraphiteFurnace
【原文标准名称】:用石墨炉原子吸收分光光度法对水中钡的标准试验方法
【标准号】:ASTMD4382-2002(2007)e1
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:D19.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;水;含量测定
【英文主题词】:atomicabsorption;barium;furnace;totalrecoverablemetals
【摘要】:Bariumranksaboutsixthinorderofabundanceinnature;however,itisnormallyfoundinonlytracequantitiesindrinkingwater.Consumption,inhalation,orabsorptionof500to600mgisconsideredfataltohumanbeings.3Lowerlevelsmayresultindisordersoftheheart,bloodvessels,andnerves.Thedrinkingwaterstandardssetthemaximumcontaminantlevelforbariumas2mgbarium/L.1.1Thistestmethodcoversthedeterminationofdissolvedandtotalrecoverablebariuminmostwatersandwastewaters.1.2Thistestmethodwasevaluatedintherangefrom33.5to132g/Lofbarium.Therangecanbeincreasedordecreasedbyvaryingthevolumeofsampleinjectedortheinstrumentalsettings.Highconcentrationsmaybedilutedbutpreferablyshouldbeanalyzedbydirectaspirationatomicabsorptionspectrophotometry.1.3Thistestmethodhasbeenusedsuccessfullywithwastetreatmentplanteffluentwater,lakewater,filteredtapwater,andwellwater.Itistheresponsibilityoftheanalysttodeterminethesuitabilityofthetestmethodforothermatrices.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:4P.;A4
【正文语种】: