ISO 8178-2-1996 往复式内燃机排放测量第2部分:气体和颗粒排放物的现场测量
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【英文标准名称】:Reciprocatinginternalcombustionengines-Exhaustemissionmeasurement-Part2:Measurementofgaseousandparticulateexhaustemissionsatsite
【原文标准名称】:往复式内燃机排放测量第2部分:气体和颗粒排放物的现场测量
【标准号】:ISO8178-2-1996
【标准状态】:作废
【国别】:国际
【发布日期】:1996-08
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC70
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;颗粒物质的测定;往复式内燃机;排气;气体的;排放量测定;内燃机
【英文主题词】:Definition;Definitions;Emission;Exhaustgases;Exhaustmeasurement;Gaseous;Internalcombustionengines;Mathematicalcalculations;Measurement;Measuringtechniques;Operationallocation;Particles;Particulatemattermeasurement;Reciprocatinginternalcombustionengines;Testing;Testingconditions
【摘要】:Specifiesthemeasurementandevaluationmethodsforgaseousandparticulateexhaustemissionfromreciprocatinginternalcombustionenginesundersteady-stateconditionsatsite.Doespreferablyapplyforenginesusedinmarineinstallations,generatorsanddieselelectricrailtractionorsimilarapplicationswhenitisnotpossibletotakethemeasurementsundertest-bedconditions.
【中国标准分类号】:J90
【国际标准分类号】:13_040_40;27_020
【页数】:22P.;A4
【正文语种】:英语
【英文标准名称】:Acoustics-Laboratorymeasurementproceduresforductedsilencersandair-terminalunits-Insertionloss,flownoiseandtotalpressureloss
【原文标准名称】:声学.风道消音装置和风道末端装置的实验室测量程序.插入损失、流动噪声和总压力损失
【标准号】:BSENISO7235-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2010-04-30
【实施或试行日期】:2010-04-30
【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】:
【英文主题词】:Absorption;Acousticmeasurement;Acoustictesting;Acoustics;Airducts;Airflow;Attenuationconstant;Cables;Calibration;Canals;Checkingequipment;Classes;Corrrections;Damping;Definitions;Ducts;Enginesilencers;Equipment;Externalnoise;Fans;Flow;Graphicsymbols;Handling;Insertionloss;Laboratories;Laboratorytesting;Laboratorytests;Loudspeakers;Measurement;Measurementcircuits;Measuringducts;Measuringenvironment;Measuringequipment;Measuringinstruments;Measuringobjects;Measuringtechniques;Microphonearrangement;Microphones;Mineralwool;Noise;Noiseabatement;Noise(environmental);Noisemeasurements;Performancetests;Precision;Pressuredrops;Reflection;Reverberationrooms;Silencers;Sonictesting;Sound;Soundabsorption;Soundfields;Soundintensity;Soundlevel;Soundlevels;Soundmeters;Soundpressure;Soundpressurelevel;Soundsources;Structure-bornenoise;Symbols;Testfurnaces;Testresults;Testing;Testingset-ups;Transmittances;Ventilationductwork;Ventilationequipment;Walls
【摘要】:ThisInternationalStandardspecifiesmethodsfordetermining?theinsertionloss,infrequencybands,ofductedsilencerswithandwithoutairflow,?thesoundpowerlevel,infrequencybands,oftheflownoise(orregeneratedsound)generatedbyductedsilencers,?thetotalpressurelossofsilencerswithairflow,and?thetransmissionloss,infrequencybands,ofair-terminalunits.Themeasurementproceduresareintendedforlaboratorymeasurementsatambienttemperature.MeasurementsonsilencersinsituarespecifiedinISO11820.ItistobenotedthattheresultsdeterminedinalaboratoryaccordingtothisInternationalStandardwillnotnecessarilybethesameasthoseobtainedinsitu(installation),asdifferentsoundandflowfieldswillyielddifferentresults.Forexample,thepressurelosswillbelowerunderlaboratoryconditionsthaninsitu,butwillbecomparablebetweendifferentlaboratories.ThisInternationalStandardisapplicabletoalltypesofsilencerincludingsilencersforventilatingandairconditioningsystems,airintakeandexhaustoffluegases,andsimilarapplications.Otherpassiveair-handlingdevices,suchasbends,air-terminalunitsorT-connectors,canalsobetestedusingthisInternationalStandard.ThisInternationalStandardisnotapplicabletoreactivesilencersusedformotorvehicles.
【中国标准分类号】:P31
【国际标准分类号】:91_120_20
【页数】:60P.;A4
【正文语种】:英语
【英文标准名称】:Chemicalsusedfortreatmentofwaterintentedforhumanconsumption.PolyaluminiumchloridehydroxideandPolyaluminiumchloridehydroxidesulfate.
【原文标准名称】:饮用水处理用化学品.碱式氯化多铝和碱式氯化多铝硫酸盐
【标准号】:NFT94-105-1997
【标准状态】:作废
【国别】:法国
【发布日期】:1997-06-01
【实施或试行日期】:1997-06-05
【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】:G77
【国际标准分类号】:71_100_80
【页数】:18P;A4
【正文语种】:其他