DIN EN 3014-2001 航空航天系列.耐热钢FE-PA2601(A286)制锯齿形自锁紧带柄螺母.等级:1100MPa(室温)/650℃;德文版本EN3014:2001
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【英文标准名称】:Aerospaceseries-Shanknuts,self-locking,serrated,inheatresistingsteelFE-PA2601(A286)-Classification1100MPa(atambienttemperature)/650°C;GermanversionEN3014:2001
【原文标准名称】:航空航天系列.耐热钢FE-PA2601(A286)制锯齿形自锁紧带柄螺母.等级:1100MPa(室温)/650℃;德文版本EN3014:2001
【标准号】:DINEN3014-2001
【标准状态】:现行
【国别】:德国
【发布日期】:2001-10
【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】:发动机部件;齿轮齿;名称与符号;精整;工具;抗拉强度;作标记;监督(认可);自锁紧;螺母;紧固件;定位面;钳紧螺母;安装;质量保证;航空航天运输;检验;规范(验收);特性;钢;螺纹;航空运输;高温;材料;航天运输;尺寸
【英文主题词】:
【摘要】:
【中国标准分类号】:V20
【国际标准分类号】:49_030_30
【页数】:8P;A4
【正文语种】:德语
【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】:Ethylene-propylenerubber(EPM/EPDM)-Hardness90IRHD
【原文标准名称】:乙丙橡胶(EPM/EPDM).硬度:90IRHD(国际橡胶硬度标度)
【标准号】:BSEN2432-1995
【标准状态】:现行
【国别】:英国
【发布日期】:1995-11-15
【实施或试行日期】:1995-11-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:抗拉强度;合成橡胶;试样;名称与符号;航空运输工程;材料强度;硬度;试验条件;航天技术;断裂伸长;密度;低温;乙丙橡胶;压缩永久变形;热阻;温度
【英文主题词】:Aeronauticalengineering;Aerospacetransport;Airtransport;Designations;Elastomers;EPDM;EPM;Ethylpropylene;Ethylene;Ethylene-propylenerubber;Hardness;IRHD;Materials;Non-metals;Physicalproperties;Processing;Properties;Propylene;Rubber;Silicone;Siliconerubber;Silicones;Spacetransport;Syntheticrubber;Testing;Use;Vulcanizedrubber
【摘要】:Thisstandardspecifiesthepropertiesofethylene-propylenerubber(EPM/EPDM),hardness90IRHD,foraerospaceapplications.note:1)SymbolasperISO1629
【中国标准分类号】:G35
【国际标准分类号】:49_025_40
【页数】:12P.;A4
【正文语种】:英语
