您的位置: 标准下载 » 国内标准 » GB 国标 »

GB 4964-1985 内河航道及港口内船舶辐射噪声的测量

作者:标准资料网 时间:2024-05-04 05:33:55  浏览:8752   来源:标准资料网
下载地址: 点击此处下载
基本信息
标准名称:内河航道及港口内船舶辐射噪声的测量
英文名称:Measurement of noise emitted by vessels on inland water ways and harbours
中标分类: 船舶 >> 船舶总体 >> 内河交通运输船总体
ICS分类:
替代情况:被GB/T 4964-2010代替
发布部门:交通部
发布日期:1985-02-28
实施日期:1985-10-01
首发日期:1985-02-28
作废日期:2011-06-01
主管部门:交通部
提出单位:噪声分委会
归口单位:全国内河船标准化技术委员会
起草单位:交通部标准计量所
出版社:中国标准出版社
出版日期:1985-10-01
页数:9页
适用范围

本标准规定了内河航道和港口内船舶辐射噪声级和频谱的测量方法,以取得准确和可比的数据。本标准适用于内河航道及港口内各类民用船舶,也适用于小型沿海船舶、港务船和工程船。

前言

没有内容

目录

没有内容

引用标准

没有内容

所属分类: 船舶 船舶总体 内河交通运输船总体
下载地址: 点击此处下载
【英文标准名称】:StandardPracticeforComparingParticleSizeintheUseofAlternativeTypesofParticleCounters
【原文标准名称】:替换型粒子计数器使用过程中粒度比较的标准实施规范
【标准号】:ASTMF660-1983(2007)
【标准状态】:现行
【国别】:
【发布日期】:1983
【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】:D19.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:材料;试验;实验室器皿;粒度;计数器;统计学;试验设备;比较;颗粒
【英文主题词】:particlecounters;Strokesdiameter
【摘要】:Thispracticesupportstestmethodsdesignedtoevaluatetheperformanceoffluid-filtermedia,forexample,PracticeF796whereinparticlesizedistributionsareaddressedandatthesametimethispracticeprovidesameanstocomparesizemeasurementsobtainedfromseveraldifferenttypesofinstruments.Thefactorforconvertingonekindofdiameterscaletoanotherisonlyvalidforthespecifictestparticlesstudied.1.1Thispracticeprovidesaprocedureforcomparingthesizesofnonsphericalparticlesinatestsampledeterminedwithdifferenttypesofautomaticparticlecounters,whichoperateondifferentmeasuringprinciples.1.2Ascalefactorisobtainedbywhich,intheexaminationofagivenpowder,thesizescaleofoneinstrumentmaybemultipliedtoagreewiththesizescaleofanother.1.3Thepracticeconsidersrigidparticles,freeoffibers,ofthekindusedinstudiesoffiltration,suchas:commerciallyavailableteststandardsofquartzoralumina,orflyash,orsomepowderedchemicalreagent,suchasironoxideorcalciumsulfate.1.4Threekindsofautomaticparticlecountersareconsidered:1.4.1Imageanalyzers,whichviewstationaryparticlesunderthemicroscopeand,inthispractice,measurethelongestend-to-enddistanceofanindividualparticle.1.4.2Opticalcounters,whichmeasuretheareaofashadowcastbyaparticleasitpassesbyawindow;and1.4.3Electricalresistancecounters,whichmeasurethevolumeofaparticleasitpassesthroughanorificeinanelectricallyconductiveliquid.1.5Thispracticealsoconsiderstheuseofinstrumentsthatprovidesedimentationanalyses,whichistosayprovidemeasuresoftheparticlemassdistributionasafunctionofStokesdiameter.ThepracticeprovidesawaytoconvertmassdistributionintonumberdistributionsothatthemeaningofStokesdiametercanberelatedtothediametermeasuredbytheinstrumentsin1.4.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:F80
【国际标准分类号】:19_120
【页数】:5P.;A4
【正文语种】:


Product Code:SAE ARP881
Title:Lamps for Aircraft Lighting
Issuing Committee:A-20ac Crew Station And Interior Lighting Committee
Scope:This SAE Aerospace Recommended Practice (ARP) lists the lamps in Table 1 that are recommended for the type of service indicated. This list is not intended as a catalog and does not include many types that are now in use. This specification is not applicable to Solid State Lighting Lamp Assemblies (Based LED lamps). It does, however, reflect current practice.