ANSI/INCITS/ISO/IEC 1073-2-1976 光学识别字母数字字符集.第2部分:字符集OCR-B印刷图像的形状和尺寸
时间:2024-04-28 12:05:46 来源: 标准资料网 作者：标准资料网 阅读：8428
【英文标准名称】:AlphanumericCharacterSetsforOpticalRecognition-Part2:CharacterSetOCR-B-ShapesandDimensionsofthePrintedImage
【原文标准名称】:光学识别字母数字字符集.第2部分:字符集OCR-B印刷图像的形状和尺寸
【标准号】:ANSI/INCITS/ISO/IEC1073-2-1976
【标准状态】:现行
【国别】:美国
【发布日期】:1976
【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】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:字母数字的;字母数字字符集;字符识别;字符集;数据处理;尺寸;信息处理;字体;印字格式;OCR-B字符集;光学的;光学字符识别;光学字符;表示模式;活字尺寸;规范
【英文主题词】:Alphanumeric;Alphanumericcharactersets;Characterrecognition;Charactersets;Dataprocessing;Dimensions;Informationprocessing;Lettering;Letteringstyle;OCR-Bcharactersets;Optical;Opticalcharacterrecognition;Opticalcharacters;Presentationpattern;Sizeoftypes;Specifications
【摘要】:Indicatestheformsofprintedimagesandthesizesofalphanumericcharactersaswellasthesingsandgraphicalsymbols(OCR-B-characterset)intendedforopticalcharacterreadingaccordingtoISO646-1973.
【中国标准分类号】:L71
【国际标准分类号】:35_040
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforSequentialBatchExtractionofWastewithAcidicExtractionFluid
【原文标准名称】:带酸性萃取液的废弃物顺序批量萃取的标准试验方法
【标准号】:ASTMD5284-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D34.01.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:acidicprecipitation;extract;extractionfluid;leaching;sequentialbatchextraction;wasteleachingtechnique;Acidicprecipitation;Extractedaggregate;Leachates/leaching;Samplingwastematerials/applications;Sequentialbatchextraction;Wastelea
【摘要】:Thistestmethodisintendedasameansforobtainingsequentialextractsofawaste.Theextractsmaybeusedtoestimatethereleaseofcertainconstituentsofthewasteunderthelaboratoryconditionsdescribedinthistestmethod.ThepHoftheextractionfluidusedinthistestmethodistoreflectthepHofacidicprecipitationinthegeographicregioninwhichthewastebeingtestedistobedisposed.Note18212;PossiblesourcesofinformationconcerningthepHofprecipitationinthegeographicregionofinterestincludestateandfederalenvironmentalagencies,stateuniversities,libraries,etc.Note28212;Forsequentialbatchextractionofwasteusinganonacidicextractionfluid,seeTestMethodD4793.AnintentofthistestmethodisforthefinalpHofeachoftheextractstoreflecttheinteractionoftheextractantwiththebufferingcapacityofthewaste.Thistestmethodisnotintendedtoprovideextractsthatarerepresentativeoftheactualleachateproducedfromawasteinthefieldortoproduceextractstobeusedasthesolebasisofengineeringdesign.Thistestmethodhasnotbeendemonstratedtosimulateactualdisposalsiteleachingconditions.Thistestmethodproducesextractsthatareamenabletothedeterminationofbothmajorandminor(trace)constituents.Whenminorconstituentsarebeingdetermined,itisespeciallyimportantthatprecautionsbetakeninsamplestorageandhandlingtoavoidpossiblecontaminationofthesamples.Thistestmethodhasbeentestedtodetermineitsapplicabilitytocertaininorganiccomponentsinthewaste.Thistestmethodhasnotbeentestedforapplicabilitytoorganicsubstances,volatilematter(seeNote5),orbiologicallyactivesamples.Theagitationtechnique,rate,liquid-to-solidratio,andfiltrationconditionsspecifiedintheproceduremaynotbesuitableforextractingalltypesofwastes(seeSections7and8andAppendixX1).1.1Thistestmethodprovidesaprocedureforthesequentialleachingofawastecontainingatleast5%drysolidsinordertogeneratesolutionstobeusedtodeterminetheconstituentsleachedunderthespecifiedtestingconditions.1.2Thistestmethodcallsfortheshakingofaknownweightofwastewithacidicextractionfluidofaspecifiedcompositionaswellastheseparationoftheliquidphaseforanalysis.ThepHoftheextractionfluidistoreflectthepHofacidicprecipitationinthegeographicregioninwhichthewastebeingtestedistobedisposed.Theprocedureisconductedtentimesinsequenceonthesamesampleofwaste,anditgeneratestensolutions.1.3Thistestmethodisintendedtodescribetheprocedureforperformingsequentialbatchextractionsonly.Itdoesnotdescribealltypesofsamplingandanalyticalrequirementsthatmaybeassociatedwithitsapplication.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z17
【国际标准分类号】:
【页数】:15P.;A4
【正文语种】:英语
【英文标准名称】:Insulatorsforoverheadlines-Compositesuspensionandtensioninsulatorsfora.c.systemswithanominalvoltagegreaterthan1000V-Definitions,testmethodsandacceptancecriteria(IEC61109:2008);GermanversionEN61109:2008
【原文标准名称】:架空线路用绝缘子.标称电压大于1000V的交流设备用复合绝缘子和耐张绝缘子.定义、试验方法和验收准则
【标准号】:DINEN61109-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-06
【实施或试行日期】:2009-06-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:验收;验收规范;交流电流;复合绝缘子;定义;电缆;导电体;电气工程;环境条件;绝缘子;作标记;架空线;悬式绝缘子;试验
【英文主题词】:Acceptance;Acceptancespecification;Alternatingcurrent;Compositeinsulators;Definitions;Electriccables;Electricconductors;Electricalengineering;Environmentalcondition;Insulators;Marking;Overheadpowerlines;Suspensioninsulators;Testing
【摘要】:
【中国标准分类号】:K48
【国际标准分类号】:29_080_10
【页数】:33P.;A4
【正文语种】:德语