MT/T 512.1-1995 发电煤粉锅炉用平顶山矿务局煤技术条件

上一篇: MT/T 508.1-1995 高炉喷吹用北京矿务局煤技术条件
下一篇: MT/T 514.2-1995 发电煤粉锅炉用徐州矿务局煤技术条件

【英文标准名称】:StandardTestMethodsforSpecificGravityofWoodandWood-BasedMaterials
【原文标准名称】:木材和木基材料比重的标准试验方法
【标准号】:ASTMD2395-2007ae1
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【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】:D07.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:specificgravity;wood;wood-basedmaterial;Chips;Flotationtube;Forstnerbit;Immersion;Incrementcoremethod;Mercuryimmersion;Specificgravity--woodproducts;Volumetricmeasurement;Woodproducts
【摘要】:Thespecificgravityofwoodgivesanexcellentmeasureoftheamountofwoodsubstancepresentinasample.Thus,itmayserveasavaluableindicatoroftheamountofwoodpulpthatcouldbeproduced,theworkabilityofthematerial,orthestrengthcharacteristicsofaspecimenoraspecies.Itshouldberecognizedthatspecificgravityvariesbetweentrees,withinatree,andbetweenspecies.Sincethespecificgravityofwoodsubstanceispracticallyconstantforallspecies(approximately1.53),itisapparentthatindividualspecificgravityvaluesareindicativeoftheamountofwoodsubstancepresent.Itaffordsarapidandvaluablemethodforselectionofwoodforspecificuses.Itmaybedesirabletoknowthespecificgravityofalivingtree,astructuralmemberalreadyinplace,alogcrosssection,asegmentofaresearchelement,ortheearlywoodorlatewoodlayer.Thespecimenthusmaybelargeorsmall,regularorirregular,andatavarietyofmoisturecontents.Thesetestmethodsgiveproceduresthatincludeallofthesevariablesandprovidesforcalculationofspecificgravityvaluestodegreesofaccuracygenerallyneeded.1.1Thesetestmethodscoverthedeterminationofthespecificgravityofwoodandwood-basedmaterialstogenerallydesireddegreesofaccuracyandforspecimensofdifferentsizes,shapes,andmoisturecontentconditions.Themethodtitleisindicativeoftheproceduresusedorthespecificareaofuse.
Section
TestMethodAx2014;VolumebyMeasurement
7
TestMethodBx2014;VolumebyWaterImmersion
8
TestMethodCx2014;FlotationTube
9
TestMethodDx2014;ForstnerBit
10
TestMethodEx2014;IncrementCore
11
TestMethodFx2014;Chips
12
【英文标准名称】:Fontsforopticalcharacterrecognition;formatfordocumentreader
【原文标准名称】:光学字符识别用字体.文献阅读器用字符格式
【标准号】:DIN66223-2-1978
【标准状态】:现行
【国别】:德国
【发布日期】:1978-01
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:极限(数学);公差;布置;定义;信息处理;数据处理;规范(审批);图形显示字符;字符排列;尺寸;信息交流;字体;信息;垂直;字符集;字符识别
【英文主题词】:Characterarrangements;Characterrecognition;Charactersets;Dataprocessing;Definition;Definitions;Dimensions;Graphiccharacters;Information;Informationexchange;Informationprocessing;Layout;Lettering;Limits(mathematics);Specification(approval);Tolerances(measurement);Vertical
【摘要】:Fontsforopticalcharacterrecognition,formatfordocumentreaderZusammenhangmiteinerinVorbereitungbefindlichenInternationalenNorm,sieheErl?uterungen.
【中国标准分类号】:L71
【国际标准分类号】:01_140_10;35_040
【页数】:5P.;A4
【正文语种】:德语