【英文标准名称】:Manganeseoresandconcentrates;Determinationofnickelcontent;Dimethylglyoximespectrometricmethodandflameatomicabsorptionspectrometricmethod
【原文标准名称】:锰矿石和锰精矿镍含量的测定丁二酮肟光谱测定法和火焰原子吸收光谱法
【标准号】:ISO315-1984
【标准状态】:现行
【国别】:国际
【发布日期】:1984-06
【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/TC65
【标准类型】:()
【标准水平】:()
【中文主题词】:化学分析;镍;锰矿石;分光光度法;原子吸收法;矿物和矿石;金属矿物;金属矿;矿物;分光光度测量分析;化学分析和试验;浓缩物;含量测定;原子吸收分光光度测定法
【英文主题词】:Atomicabsorptionspectrophotometry;Chemicalanalysisandtesting;Concentrates;Determinationofcontent;Manganeseores;Metalliferousminerals;Minerals;Nickel;Ores;Spectrophotometry
【摘要】:Twomethodsarespecified.MethodAisapplicabletoproductshavinganickelcontentof0.01to1.0%(m/m),methodBisapplicabletoproductshavinganickelcontentof0.005to1.0%(m/m).Bothmethodsspecifyprinciple,reactions(methodAonly),reagents,apparatus,sample,procedureandexpressionofresults.
【中国标准分类号】:D32
【国际标准分类号】:73_060_20
【页数】:6P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 空气过滤器技术条件 |
| 中标分类： |
航空、航天 >>
航空器与航天器零部件 >>
管件、卡箍、密封件 |
| 替代情况： | 被QJ 1609A-1996代替 |
| 发布日期： | 1989-01-04 |
| 实施日期： | 1989-08-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 3页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 航空 航天 航空器与航天器零部件 管件 卡箍 密封件
【英文标准名称】:Airconditioners,liquidchillingpackages,heatpumpsanddehumidifierswithelectricallydrivencompressorsforspaceheatingandcooling-Measurementofairbornenoise-Determinationofthesoundpowerlevel;EnglishversionofDINEN12102:2008-09
【原文标准名称】:空间加热和制冷用带电力驱动压缩机的空调、液体冷却组件、热泵和减湿器.空气噪声的测量.声功率级的测定
【标准号】:DINEN12102-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-09
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:声学;空调器;空气调节;发出的空气噪声;建筑物;组件;压缩机;冷却;减湿器;测定;尺寸;电传动系统;包络面法;热学;热泵;装配;液体冷却包;机器;测量;空气噪声测量;测量仪器;测量技术;噪声;噪声排放;噪声(环境的);噪声测量;精密度;制冷;建筑物服务设施;声级;规范;规范(验收);符号;测试;通风;通风管作业
【英文主题词】:Acoustics;Airconditioners;Airconditioning;Airbornenoiseemitted;Buildings;Components;Compressors;Cooling;Dehumidifiers;Determination;Dimensions;Electricaltransmissionsystems;Envelopingsurfacemethods;Heat;Heatpumps;Installation;Liquidchillingpackages;Machines;Measurement;Measurementofairbornenoise;Measuringinstruments;Measuringtechniques;Noise;Noiseemissions;Noise(environmental);Noisemeasurements;Precision;Refrigeration;Serviceinstallationsinbuildings;Soundlevel;Soundlevels;Specification;Specification(approval);Symbols;Testing;Ventilation;Ventilationductwork
【摘要】:ThisEuropeanStandardestablishesrequirementsfordetermining,inaccordancewithastandardizedprocedure,thesoundpowerlevelemittedintothesurroundingairbyairconditioners,heatpumps,liquidchillingpackageswithelectricallydrivencompressorswhenusedforspaceheatingand/orcooling,includingwatercooledmultisplitsystems,asdescribedinEN14511anddehumidifiersasdescribedinEN810.Itisemphasizedthatthismeasurementstandardonlyreferstoairbornenoise.ThisEuropeanStandardofferswaystodeterminethesoundpowerlevelofunits.SomeofthemarespecificallyadaptedtoprovideresultswithIowuncertainties,byusinglaboratoryclassacousticmethodsandhighlycontrolledworkingconditions.Thosemeasurementsaresuitableforcertification,labellingandmarkingpurposes.Insomecases,thetargetand/ortheenvironmentofthemeasurementsdonotallowsuchprecision-classmethods.ThisEuropeanStandardalsoofferswaystoassesssoundpowerlevelswithacceptableaccuracyeventhoughacousticmethodsand/orworkingconditionsarenotlaboratory-type,e.g.insituorqualitycontrolmeasurements.ThisEuropeanStandardgivestwoclassesofmeasurementsandresults,accordingtothetestenvironment:-ClassAmeasurementscorrespondtocontrolledworkingconditions(standardorapplicationratingconditions).ItisdefinedbytherespecttothetolerancesofTable2.-ClassBmeasurementscorrespondtothecasewheretherangedefinedbythetolerancesofTable2cannotbefulfilled.Inbothclasses,precisionorengineeringclassacousticmethodsshouldbeapplied.ThechoiceoftheacousticmeasurementmethodisdoneinaccordancewithENISO3740andENISO9614dependingonthetypeofsurroundingacousticfields(diffuseorfreefield,enclosedoropenspace),andtheavailableinstrumentation.Whateverthecurrentworkingconditions,thereferenceofacousticstandardshallbereported,withexplicitmentionofitsaccuracyclass.NOTE1TheuseofENISO3746andENISO3747assurveygrademethodsarenotrecommendedduetothehighlevelofuncertainties.Theiruseisonlyallowedfornoncontrolledenvironments.Threemethodsfordeterminingthesoundpowerlevelsarespecifiedinordertoavoidundulyrestrictingexistingfacilitiesandexperience.-thefirstmethodologyisbasedonreverberationroommeasurement(seeENISO3741,ENISO3743andENISO3747insomefavourablecaseswhentheengineeringgradecanbefulfilled);-thesecondmethodisbasedonmeasurementsinanessentiallyfreefieldoverareflectingplane(seeENISO3744andENISO3745);-thethirdmethodisbasedonsoundintensitymeasurement(seeENISO9614)inpreferablyfreefieldenvironment.NOTE2ThereferencesinthisEuropeanStandardtoENISO3743shouldbeunderstoodasENISO3743-1orENISO3743-2aswell.Thenecessitytoregulatethetestconditionsobviouslyleadstorecommendtestmethodsimplementedinacousticallydesigned(enclosed)spaces,suchasENISO3741,ENISO3743,ENISO3745andalsoENISO9614whenimplementedinenclosedspace.Theopenspacesshouldbecoveredonlyinspecificcases,e.g.whenthesizeorthepoweroftheunitundertestcannotbemanagedbystandardtestrooms.SuitabletestmethodsareENISO3744andENISO9614.NOTE3Intensitymeasurementmethodsarequiterobustandarewellsuitedforteststobedoneinenvironmentswithoutorwithalightacoustictreatment(thebettertheacoustictreatment,theeasiertheimplementation).
【中国标准分类号】:Q76
【国际标准分类号】:17_140_20;91_140_30
【页数】:26P.;A4
【正文语种】:英语