NF E60-406-1987 钻床.高速钻床.机械原因造成事故的防止
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【英文标准名称】:DRILLINGMACHINE-TOOL.PILLARDRILLINGMACHINES.PREVENTIONOFMECHANICALHAZARDS.
【原文标准名称】:钻床.高速钻床.机械原因造成事故的防止
【标准号】:NFE60-406-1987
【标准状态】:作废
【国别】:法国
【发布日期】:1987-01
【实施或试行日期】:1986-12-05
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:J54
【国际标准分类号】:25_080_40
【页数】:15P;A4
【正文语种】:其他
【英文标准名称】:Acoustics-Testcodeforthemeasurementofairbornenoiseemittedbyrotatingelectricalmachines
【原文标准名称】:声学测定旋转式电机发射的空气声的试验规程
【标准号】:ISO1680-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-10
【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】:空气噪声;试验;定义;声强;测定;噪声测量;声学试验;声学;旋转电机
【英文主题词】:Absorption;Acousticmeasurement;Acoustictesting;Acoustics;Airbornenoise;Airbornenoiseemitted;Calibration;Checkpoint;Definitions;Determination;Earprotectors;Electricmachines;Electricmotors;Electrical;Emission;Emissionmeasurement;Envelopingsurfacemethods;Environment;Externalnoise;Filters;Fixings;Frequencies;Generators;Information;Installationinstructions;Installations;Interpretations;Layout;Logsheets;Machinenoise;Machines;Measurement;Measurementconditions;Measurementofairbornenoise;Measuringdistances;Measuringenvironment;Measuringinstruments;Measuringobjects;Measuringrooms;Measuringsites;Measuringsurfaces;Measuringsystems;Measuringtechniques;Mechanicalengineering;Methods;Microphones;Motors;Noise;Noiseemissions;Noise(environmental);Noisemeasurements;Operatingconditions;Operation;Position;Precision;Ratings;Reflection;Reverberationtime;Rooms;Rotating;Rotatingelectricmachines;Rotatingelectricalmachinery;Sound;Soundintensity;Soundlevel;Soundpower;Soundpressure;Soundpressurelevel;Soundpressurespectrum;Specification(approval);Testcertificates;Testreport;Testing;Testingconditions;Winds
【摘要】:ThisInternationalStandardspecifiesalltheinformationnecessarytocarryoutefficientlyandunderstandardizedconditionsthedetermination,declarationandverificationofthenoiseemissioncharacteristicsofrotatingelectricalmachines.Itspecifiesnoisemeasurementmethodsthatcanbeused,andspecifiestheoperatingandmountingconditionsthatshallbeusedforthetest.Noiseemissioncharacteristicsincludethesoundpowerlevelandemissionsoundpressurelevel.Thedeterminationofthesequantitiesisnecessary—forcomparingthenoiseemittedbymachines,—toenablemanufacturerstodeclarethenoiseemitted,and—forthepurposesofnoisecontrol.TheuseofthisInternationalStandardasanoisetestcodeensuresthereproducibilityofthedeterminationofthenoiseemissioncharacteristicswithinspecifiedlimitsdeterminedbythegradeofaccuracyofthebasicnoisemeasurementmethodused.NoisemeasurementmethodsallowedbythisInternationalStandardarelaboratorymethods(grade1),engineeringmethods(grade2)andsurveymethods(grade3).Methodsofengineeringgrade(grade2)aretobepreferred.ThisInternationalStandardisapplicabletorotatingelectricalmachinesofanylength,widthorheight.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_20;29_160_01
【页数】:15P.;A4
【正文语种】:英语
【英文标准名称】:Anhydroushydrogenfluorideforindustrialuse;Determinationofhexafluorosilicicacidcontent;Reducedmolybdosilicatephotometricmethod
【原文标准名称】:工业用无水氟化氢六氟硅酸含量的测定还原硅钼酸盐光度法
【标准号】:ISO3701-1976
【标准状态】:作废
【国别】:国际
【发布日期】:1976-06
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC47
【标准类型】:()
【标准水平】:()
【中文主题词】:酸;连接;分光光度法;化学分析和试验;氟化氢;含量测定
【英文主题词】:determinationofcontent;chemicalanalysisandtesting;hydrogenfluoride;acids;connections;spectrophotometry
【摘要】:ApplicabletoproductshavingH2SiF6contentsbetween0.01%(m/m)and0.2%(m/m).Givesintroductoryinstructionstotheriskinhandlingwiththeproduct.Theprincipleofanalysisconsistsinformationofoxidizedmolybdosilicate(yellow)inweaklyacidmediuminthepresenceofboricacidtosuppressinterferencebyfluorine.Selectivereductionofthiscomplexafteradditionofsulphuricacidsolutionandoxalicacidtoeliminateinterferencefromphosphates.Photometricmeasurementofthebluecolouredcomplexatawavelengthofabout795nm.
【中国标准分类号】:G11
【国际标准分类号】:71_060_30
【页数】:4P;A4
【正文语种】:英语
