NF L43-622-2003 航空航天系列.钛合金TI-P64001制球形、60度管接头.焊接的螺纹直活管节
作者:标准资料网 时间:2024-05-16 15:20:55 浏览:9622
来源:标准资料网
【英文标准名称】:Aerospaceseries-Pipecouplings,60o,spherical,intitaniumalloyTI-P64001-Straightunions,welded,threaded.
【原文标准名称】:航空航天系列.钛合金TI-P64001制球形、60度管接头.焊接的螺纹直活管节
【标准号】:NFL43-622-2003
【标准状态】:现行
【国别】:法国
【发布日期】:2003-08-01
【实施或试行日期】:2003-08-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:钛合金;管道配件;名称与符号;作标记;螺纹件;规范(验收);航天运输;尺寸;压合接头;焊接;航空航天运输;航空运输;验收规范
【英文主题词】:
【摘要】:
【中国标准分类号】:V21
【国际标准分类号】:49_080
【页数】:17P;A4
【正文语种】:其他
【英文标准名称】:Acoustics-Measurementoftheinfluenceofroadsurfacesontrafficnoise-Part1:Statisticalpass-bymethod
【原文标准名称】:声学路面对交通噪声影响的测量第1部分:统计旁路法
【标准号】:ISO11819-1-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-09
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC43
【标准类型】:()
【标准水平】:()
【中文主题词】:统计检验;比较试验;噪声级;道路运输;路面(道路);路面;路面;声学;定义;测量技术;测量现场;道路;影响;道路车辆;统计学;噪声测量;噪声测量;速度;交通噪声;测量;测量仪器
【英文主题词】:Acoustics;Commercialvehicles;Comparativetests;Definitions;Drivingspeed;Influences;Measurement;Measuringinstruments;Measuringsites;Measuringtechniques;Noiselevels;Noisemeasurement;Noisemeasurements;Pavement;Pavements(roads);Privatecars;Roadcarpets;Roadsurfaces;Roadtransport;Roadvehicles;Roads;Statisticaltesting;Statistics;Surfacelayers;Trafficnoise;Velocity;Wearingcourses(roads)
【摘要】:ThispartofISO11819describesamethodofcomparingtrafficnoiseondifferentroadsurfacesforvariouscompositionsofroadtrafficforthepurposeofevaluatingdifferentroadsurfacetypes.Soundlevelsrepresentingeitherlightorheavyvehiclesatselectedspeedsareassignedtoacertainroadsurface.Themethodisapplicabletotraffictravellingatconstantspeed,i.e.free-flowingconditionsatpostedspeedsof50km/handupwards.Forotherdrivingconditionswheretrafficisnotfree-flowing,suchasatjunctionsandwherethetrafficiscongested,theroadsurfaceisoflessimportance.Astandardmethodforcomparingnoisecharacteristicsofroadsurfacesgivesroadandenvironmentauthoritiesatoolforestablishingcommonpracticesorlimitsastotheuseofsurfacingsmeetingcertainnoisecriteria.However,itisnotwithinthescopeofISO11819tosuggestsuchcriteria.TheStatisticalPass-By(SPB)methodisintendedtobeusedessentiallyfortwomainpurposes.Firstitmaybeusedtoclassifysurfacesintypicalandgoodconditionasatypeaccordingtotheirinfluenceontrafficnoise(surfaceclassification)and,secondly,itmaybeusedtoevaluatetheinfluenceontrafficnoiseofdifferentsurfacesatparticularsitesirrespectiveofconditionandage.Thislattertypeofapplicationmaybeusefulforexamplewherearoadistoberesurfacedand"before"and"after"measurementsarerequiredinordertoassessthedifferencesintrafficnoisefollowingresurfacing.However,duetosevererequirementsontheacousticalenvironmentatthesite,themethodcannotgenerallybeusedforapprovalofworksatanygivensite.Clause4givesageneraldescriptionoftheSPBmethod.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_30;93_080_20
【页数】:27P;A4
【正文语种】:英语
【英文标准名称】:StandardSpecificationforCommercialBronzeStripforBulletJackets
【原文标准名称】:弹头壳用商用青铜带材的标准规范
【标准号】:ASTMB130-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:B05.01
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:ammunitioncomponents;bronze;bulletjackets;strip;UNSNo.C22000;Ammunition;Brass;Bronze;Bulletjackets;Commercialbronze;Copperalloy--specifications;Copperalloyplate/sheet/strip/rolledbar--specifications;UNSC22000(commercialbronze,
【摘要】:Forpurposesofdeterminingcompliancewiththespecifiedpropertylimitsforthepropertieslistedinthefollowingtable,anobservedvalueofacalculatedvalueshallberoundedasindicatedinaccordancewiththeroundingmethodofPracticeE29:Property
RoundedUnitforObservedorCalculatedValue
Chemicalcomposition
nearestunitinthelastright-handplace
Hardness
offiguresofthespecifiedlimits.
Tensilestrength
nearestksi(nearest5MPa)
Grainsize:
Upto0.055mm,incl
nearestmultipleof0.005mm
Over0.055to0.160mm,incl
nearest0.01mm
Elongation:
5%andover
nearest1%