【英文标准名称】:Acoustics-Noiseemittedbymachineryandequipment-Determinationofemissionsoundpressurelevelsataworkstationandatotherspecifiedpositionsfromthesoundpowerlevel
【原文标准名称】:声学.机械装置及设备发出的噪声.在工作地点和其它试验场所从声功率级测量声压级
【标准号】:BSENISO11203-1996
【标准状态】:作废
【国别】:英国
【发布日期】:1996-11-15
【实施或试行日期】:1996-11-15
【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】:测量特征;声强;声学;现场试验;声学测量;操作工位;噪声(环境的);准确度;试验设备;自然工作条件;等级(质量);数学计算;再现性;试验条件
【英文主题词】:Acousticmeasurement;Acoustictesting;Acoustics;Airbornenoise;Bandoffrequencies;Definitions;Emission;Ergonomics;Frequencies;Instruments;Machinenoise;Machines;Mathematicalcalculations;Measuringincertainity;Methods;Noise;Noiseemissions;Noisemeasurements;Operatingstations;Position;Procedures;Radiation;Soundintensity;Soundlevel;Soundlevels;Soundpressure;Soundpressurelevel;Soundpropagation;Soundsources;Workingplaces
【摘要】:1GeneralThisInternationalStandardspecifiestwomethodsfordeterminingtheemissionsoundpressurelevelsofmachineryandequipment,ataworkstationandatotherspecifiedpositionsnearby,bycalculationfromthesoundpowerlevel.Theprincipalpurposeofthisdeterminationistopermitcomparisonoftheper-formanceofdifferentunitsofagivenfamilyofma-chineryorequipment,underdefinedenvironmentalconditionsandstandardizedmountingandoperatingconditions.ThedataobtainedmayalsobeusedforthedeclarationandverificationofemissionsoundpressurelevelsasspecifiedinISO4871.Emissionsoundpressurelevelsaredeterminedwiththesamefrequencyweightingandtimeweighting,orinthesamefrequencybands,asthoseforwhichsoundpowerlevelshavebeendetermined.NOTES1ThecontentsofthisandrelatedInternationalStandardsaresummarizedintable1ofISO11200:1995.2Atanygivenpositioninrelationtoaparticularmachine,andforgivenmountingandoperatingconditions,theemis-sionsoundpressurelevelsdeterminedbythemethodofthisInternationalStandardwillingeneralbelowerthanthedirectlymeasuredsoundpressurelevelsforthesamema-chineinthetypicalworkroomwhereitisused.Thisisduetoreverberationandthecontributionsofothermachines.AmethodofcalculatingthesoundpressurelevelsinthevicinityofamachineoperatingaloneinaworkroomisgiveninISO11690-3.Commonlyobserveddifferencesare1dBto5dB,butinextremecasesthedifferencemaybeevengreater.2TypesofnoiseandnoisesourcesThisInternationalStandardis,inprinciple,applicabletomovingorstationarymachines,forindoororout-dooruse,particularlythosemachineswhicharemass-produced.ThemethodsgiveninthisInter-nationalStandardarenotapplicabletohighlydirec-tionalsoundsourcesusedoutdoors.ThisInternationalStandardisparticularlyapplicabletomachineswhoselargestdimensionislessthanorequalto1m.Itisalsoapplicabletolargermachinesincertaincases(see6.2.3).ThisInternationalStandardisapplicabletoalltypesofnoiseasdefinedinISO2204andISO12001forwhichmethodsfordeterminingthesoundpowerlevelareavailable.3TestenvironmentThetestenvironmenttobeusedisthatwhichisspecifiedforthedeterminationofthesoundpowerlevelinaccordancewiththeInternationalStandardsoftheISO3740orISO9614series.4SpecifiedpositionsThisInternationalStandardisapplicabletoworkstationsandotherspecifiedpositionsinthevicinityofthesourceundertestwhereemissionsoundpressurelevelsaretobedetermined.Itisnotappli-cabletoworkstationsandotherdefinedpositionswhicharesituatedinsideacaboracabin,orbehindascreen.Aworkstationcanbeasinglepoint,correspondingtothespecifiedpositionofastandingorseatedop-erator.Itcanalsobeaspecifiedpath.NOTE3Moredetailedspecificationsregardingseated,standing,stationaryormovingoperators,aswellasinfor-mationconcerningbystanders,aretobefoundinISO11201.5SpecificfieldofapplicationofeachmethodSpecificinformationonthefieldofapplicationofeachofthetwomethodsdescribedinthisInternationalStandardisgivenin6.2.2and6.2.3.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_20
【页数】:16P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 酸溶性钛渣 |
| 英文名称： | Sulphate titanium slag |
| 中标分类： |
矿业 >>
黑色金属矿 >>
铬矿 |
| ICS分类： |
采矿和矿产品 >>
金属矿 >>
铬矿
|
| 替代情况： | 替代YB/T 5285-2007 |
| 发布部门： | 中华人民共和国工业和信息化部 |
| 发布日期： | 2011-12-20 |
| 实施日期： | 2012-07-01 |
| 首发日期： | |
| 作废日期： | |
| 归口单位： | 全国生铁及铁合金标准化技术委员会 |
| 起草单位： | 攀枝花钢铁（集团）公司、冶金工业信息标准研究院 |
| 出版社： | 冶金工业出版社 |
| 出版日期： | 2012-07-01 |
适用范围
本标准规定了酸溶性钛渣的技术要求、试验方法、检验规则以及包装、标志、运输、贮存和质量证明书。
本标准适用于以钛精矿为原料，采用电炉熔炼生产的供硫酸法钛白使用的酸溶性钛渣。
前言
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引用标准
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所属分类： 矿业 黑色金属矿 铬矿 采矿和矿产品 金属矿 铬矿