NF T51-173-2004 塑料.聚酰胺.粘度值的测定
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来源:标准资料网
【英文标准名称】:Plastics-Polyamides-Determinationofviscositynumber.
【原文标准名称】:塑料.聚酰胺.粘度值的测定
【标准号】:NFT51-173-2004
【标准状态】:作废
【国别】:法国
【发布日期】:2004-04-01
【实施或试行日期】:2004-04-20
【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】:粘度;粘度值;聚酰胺;热塑性聚合物;粘度测量;模制材料;定义;试验;塑料;测定
【英文主题词】:Definition;Definitions;Determination;Mouldings(shapedsection);Plastics;Polyamides;Testing;Tests;Thermoplasticpolymers;Viscosity;Viscositymeasurement;Viscositynumbers
【摘要】:
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:29P;A4
【正文语种】:其他
基本信息
标准名称: | 无公害生鲜牛乳生产技术规范 |
发布部门: | 河南省质量技术监督局 |
发布日期: | 2007-09-23 |
实施日期: | 2007-09-23 |
首发日期: | |
作废日期: | |
主管部门: | 河南省质量技术监督局 |
出版日期: | 2007-09-23 |
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: 建材 建材产品 水泥 建筑材料和建筑物 建筑材料 水泥 石膏 石灰 砂浆
【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