ISO 3398-1977 阔叶树拼花地板原材栎木拼花地板块的分类
时间:2024-05-27 04:53:39 来源: 标准资料网 作者：标准资料网 阅读：9311
【英文标准名称】:Broadleavedwoodrawparquetblocks;Classificationofoakparquetblocks
【原文标准名称】:阔叶树拼花地板原材栎木拼花地板块的分类
【标准号】:ISO3398-1977
【标准状态】:现行
【国别】:国际
【发布日期】:1977-02
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC99
【标准类型】:()
【标准水平】:()
【中文主题词】:楼板;木地板;拼花木块;橡木;分类;镶拼;木制品;地板覆盖物;施工材料;木材;分类系统
【英文主题词】:constructionmaterials;wood;oak(wood);floorcoverings;parquet;oaks;woodproducts;classificationsystems;classification;floors;woodenfloors;parquetblocks
【摘要】:DividestheblocksusedformanufacturingdifferenttypesofparquetsbyqualityintothethreegradesI,II,andMcorrespondingtotheconditionsstatedinthetables.GradeMismainlyintendedformanufacturingmosaicparquet.Theregulationsformanufacture,characteristicsanddeliveryconditionsarefixedbyISO3397.
【中国标准分类号】:Q71
【国际标准分类号】:6280
【页数】:5P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodsforLaboratoryDeterminationofDensity(UnitWeight)ofSoilSpecimens
【原文标准名称】:实验室测定土壤样品的密度(单位重量)的标准试验方法
【标准号】:ASTMD7263-2009
【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】:D18.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:density;porosity;saturation;specimen;unitweight;voidratio
【摘要】:Drydensity,asdefinedasx201C;densityofsoilorrockx201D;inTerminologyD653andx201C;bulkdensityx201D;bysoilscientists,canbeusedtoconvertthewaterfractionofsoilfromamassbasistoavolumebasisandvise-versa.Whenparticledensity,thatis,specificgravity(TestMethodsD854)isalsoknown,drydensitycanbeusedtocalculateporosityandvoidratio(seeAppendixX1).Drydensitymeasurementsarealsousefulfordeterminingdegreeofsoilcompaction.Sincemoisturecontentisvariable,moistsoildensityprovideslittleusefulinformationexcepttoestimatetheweightofsoilperunitvolume,forexample,poundspercubicyard,atthetimeofsampling.Sincesoilvolumeshrinkswithdryingofswellingsoils,bulkdensitywillvarywithmoisturecontent.Hence,thewatercontentofthesoilshouldbedeterminedatthetimeofsampling.Densities(unitweights)ofremolded/reconstitutedspecimensarecommonlyusedtoevaluatethedegreeofcompactionofearthenfills,embankments,etc.Drydensityvaluesareusuallyusedinconjunctionwithcompactioncurvevalues(TestMethodsD698andD1557).Density(unitweight)isoneofthekeycomponentsindeterminingthemasscomposition/phaserelationsofsoil,seeAppendixX1.Note18212;Thequalityoftheresultproducedbythisstandardisdependentonthecompetenceofthepersonnelperformingitandthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting/sampling/inspection/etc.UsersofthisstandardarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliableresults.Reliableresultsdependonseveralfactors;PracticeD3740providesameansofevaluatingsomeofthesefactors.1.1Thesetestmethodsdescribetwowaysofdeterminingthetotal/moistanddrydensities(unitweights)ofintact,disturbed,remolded,andreconstituted(compacted)soilspecimens.Density(unitweight)asusedinthisstandardmeansthesameasx201C;bulkdensityx201D;ofsoilasdefinedbytheSoilScienceSocietyofAmerica.Intactspecimensmaybeobtainedfromthin-walledsamplingtubes,blocksamples,orclods.Specimensthatareremoldedbydynamicorstaticcompactionproceduresmayalsobemeasuredbythesemethods.Thesemethodsapplytosoilsthatwillretaintheirshapeduringthemeasurementprocessandmayalsoapplytoothermaterialssuchassoil-cement,soil-lime,soil-bentoniteorsolidifiedsoil-bentonite-cementslurries.Itiscommonforthedensity(unitweight)ofspecimensafterremovalfromsamplingtubesandcompactionmoldstobelessthanthevaluebasedontubeormoldvolumes,orofin-situconditions.Thisisduetothespecimenswellingafterremovaloflateralpressures.1.1.1MethodAcoverstheprocedureformeasuringthevolumeofwaxcoatedspecimensbydeterminingthequantityofwaterdisplaced.1.1.1.1Thismethodonlyappliestospecimensinwhichthewaxwillnotpenetratetheoutersurfaceofthespecimen.1.1.2MethodBcoverstheprocedurebymeansofthedirectmeasurementofthedimensionsandmassofaspecimen,usuallyoneofcylindricalshape.Intactandreconstituted/remoldedspecimensmaybetestedbythismethodinconjunctionwithstrength,permeability(air/water)andcompressibilitydeterminations.1.2ThevaluesstatedinSIunitsare......
【中国标准分类号】:B11
【国际标准分类号】:13_080_20
【页数】:7P.;A4
【正文语种】:英语
【英文标准名称】:Aircompressorsforcompressed-airgeneratingplantsinelectricalswitchgears;requirements
【原文标准名称】:电气开关设备中压缩空气发生装置用空压机.要求
【标准号】:DIN43690-1980
【标准状态】:作废
【国别】:德国
【发布日期】:1980-01
【实施或试行日期】:
【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】:阀门;作标记;温度;电气工程;设计;安全工程;压力;管接头;安全阀;分离器;冷却;冷却器;螺栓连接;材料;机械工程;压缩空气的发生;管道;压缩机;排水;风冷系统;单向阀
【英文主题词】:boltedjoints;safetyvalves;cooling;pipelines;safetyengineering;air-cooledsystems;separators;compressedairgenerating;temperature;marking;coolers;checkvalves;materials;valves;pressure;electricalengineering;compressors;design;drainage;pipeconnections;mechanicalengineering
【摘要】:Aircompressorsforcompressed-airgeneratingplantsinelectricalswitchgears;requirementsFürdenGeltungsbereichdieserNormbestehenkeineentsprechendenregionalenoderinternationalenNormen.
【中国标准分类号】:J72
【国际标准分类号】:
【页数】:2P.;A4
【正文语种】:德语