基本信息
| 标准名称： | 钴化学分析方法 第19部分：钙、镁、锰、铁、镉、锌量的测定 电感耦合等离子体发射光谱法 |
| 英文名称： | Methods for chemical analysis of cobalt- Part 19:Determination of calcium magnesium manganese iron cadmium zinc content-Inductively coupled plasma atomic emission spectrometery |
| 中标分类： |
冶金 >>
金属化学分析方法 >>
重金属极其合金分析方法 |
| ICS分类： |
冶金 >>
有色金属 >>
镉、钴及其合金
|
| 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： | 全国有色金属标准化技术委员会 |
| 起草单位： | 金川集团有限公司、北京矿冶研究总院 |
| 出版社： | 中国标准出版社 |
| 出版日期： | 2012-07-01 |
适用范围
本标准规定了钴中钙、镁、锰、铁、镉、锌含量的测定方法。
本标准适用于钴中钙、镁、锰、铁、镉、锌含量的测定。
前言
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目录
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引用标准
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所属分类： 冶金 金属化学分析方法 重金属极其合金分析方法 冶金 有色金属 镉 钴及其合金
【英文标准名称】:StandardGuideforMeasurementofOutdoorA-WeightedSoundLevels
【原文标准名称】:室外A加权声级测量标准指南
【标准号】:ASTME1014-2008
【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】:E33.09
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:A-weightedsoundlevels;communitynoise;outdoornoise;noisesampling;A-weightedsoundlevel;Noiselevelmeasurement;Outdoorsoundmeasurement;Soundtransmission
【摘要】:Therearenumeroussituationsforwhichoutdoorsoundleveldataarerequired.Theseinclude,butarenotlimitedto,thefollowing:Documentationofsoundlevelsbeforetheintroductionofanewsoundsource(forexample,assessmentoftheimpactduetoaproposeduse).Comparisonofsoundlevelswithandwithoutaspecificsource(forexample,assessmentoftheimpactofanexistingsource).Comparisonofsoundlevelswithcriteriaorregulatorylimits(forexample,indicationofexceedenceofcriteriaornon-compliancewithlaws).Thisguideprovidesameansforselectingmeasurementlocations,operatingasoundlevelmeter,documentingtheconditionsunderwhichthemeasurementswereperformed,andrecordingtheresults.Thisguideprovidestheuserwithinformationto(1)makeanddocumentthesoundlevelmeasurementsnecessarytoquantifyrelativelysteadyorslowlyvaryingoutdoorsoundlevelsoveraspecifictimeperiodandatspecificplacesand(2)makeanddocumentthephysicalobservationsnecessarytoqualifythemeasurements.Theuseriscautionedthattherearemanynonacousticalfactorsthatcanstronglyinfluencethemeasurementofoutdoorsoundlevelsandthatthisguideisnotintendedtosupplanttheexperienceandjudgmentofexpertsinthefieldofacoustics.Theguideisnotapplicablewhenmoresophisticatedmeasurementmethodsorequipmentarespecified.Thisguide,dependingasitdoesonsimplifiedmanualdataacquisition,isnecessarilymoreappropriateforthesimplertypesofenvironmentalnoisesituations.Asthenumberofsourcesandtherangeofsoundlevelsincrease,themorelikelyexperiencedspecialistswithsophisticatedinstrumentsareneeded.Thisguidecanbeusedbyindividuals,regulatoryagencies,orothersasameasurementmethodtocollectacousticaldataformanycommonsituations.Criteriaforevaluatingoranalyzingthedataobtainedarebeyondthescopeofthisguide.Notethatthisguideisonlyameasurementprocedureand,assuch,doesnotaddressthemethodsofcomparisonoftheacquireddatawiththespecificcriteria.Noproceduresareprovidedforestimatingorseparatingtheinfluencesoftwoormoresimultaneouslymeasuredsounds.Thisguidecanbeusefulinestablishingcompliancewhenthemeasureddataarebelowaspecifiedlimit.Paragraph8.2.1outlinesaprocedurethatcanbeusedforasurveyofthesiteboundary;paragraph8.2.2forasurveyofspecifiedmonitoringpoints;andparagraph8.2.3fordeterminingthelocationandmagnitudeofmaximumsoundlevel.1.1ThisguidecoversthemeasurementofA-weightedsoundlevelsoutdoorsatspecifiedlocationsoralongparticularsiteboundaries,usingageneralpurposesound-levelmeter.1.2Threedistincttypesofmeasurementsurveysaredescribed:1.2.1Surveyaroundasiteboundary,1.2.2Surveyataspecifiedlocation,1.2.3Surveytofindthemaximumsoundlevelataspecifieddistancefromasource.1.3Thedataobtainedusingthisguidearepresentedintheformofeithertime-averagesoundlevels(abbreviationTAVandsymbolLAT,alsoknownasequivalentsoundlevelorequivalentcontinuoussoundlevelabbreviatedLEQandwithsymbolLAeqT)orA-weightedpercentilelevels(symbolLX).1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationsp......
【中国标准分类号】:P31
【国际标准分类号】:17_140_01
【页数】:5P.;A4
【正文语种】:英语