SH/T 0563-1992 551金属减活剂
作者:标准资料网 时间:2024-05-29 20:00:06 浏览:8963
来源:标准资料网
下载地址: 点击此处下载
基本信息
| 标准名称： | 551金属减活剂 |
| 发布日期： | |
| 实施日期： | |
| 首发日期： | |
| 作废日期： | |
| 出版日期： |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 化工 有机化工原料 一般有机化工原料
下载地址: 点击此处下载
【英文标准名称】:Plastics-Epoxyresins-Determinationofchlorinecontent-Inorganicchlorine
【原文标准名称】:塑料.环氧树脂.氯含量测定.无机氯
【标准号】:BSENISO21627-1-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2003-12-09
【实施或试行日期】:2003-12-09
【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】:甘氮酸脂;电位测量法;定义;化学分析和试验;氯;无机物的;塑料;环氧树脂;含氯度;含量测定
【英文主题词】:Chemicalanalysisandtesting;Chlorine;Chlorinity;Definitions;Determinationofcontent;Epoxyresins;Glycidylesters;Inorganic;Plastics;Potentiometricmethods
【摘要】:ThispartofISO21627specifiesadirectpotentiometricmethodforthedeterminationofinorganicchlorineinepoxyresins,alsocalled"ionicchlorine".Theinorganicchlorinecontentisexpressedinmilligramsperkilogramofepoxyresin.
【中国标准分类号】:G31
【国际标准分类号】:83_080_10
【页数】:18P.;A4
【正文语种】:英语
【英文标准名称】:Acoustics-Determinationofsoundabsorptioncoefficientandimpedanceinimpedancetubes-Transfer-functionmethod
【原文标准名称】:声学.阻抗管中吸声系数和阻抗的测定.第2部分:传递函数法
【标准号】:BSISO10534-2-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-05-15
【实施或试行日期】:1999-05-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:声学工程;传递函数;波长;误差修正;比率;频率;声学测量;声学;方程;基座;声学试验;误差;反射系数;声速;校正;精密度;报告;试验设备;声音吸收;试样;声试验;声学性质和声学现象;隔音;数学计算;施工材料;试验条件;建筑物
【英文主题词】:acousticmeasurement;soundabsorptioncoefficient;transmission;soundabsorption;buildingacoustics;acousticabsorption;acoustics;acoustictesting;determination
【摘要】:Thistestmethodcoverstheuseofanimpedancetube,twomicrophonelocationsandadigitalfrequencyanalysissystemforthedeterminationofthesoundabsorptioncoefficientofsoundabsorbersfornormalsoundincidence.Itcanalsobeappliedforthedeterminationoftheacousticalsurfaceimpedanceorsurfaceadmittanceofsoundabsorbingmaterials.Sincetheimpedanceratiosofasoundabsorptivematerialarerelatedtoitsphysicalproperties,suchasairflowresistance,porosity,elasticityanddensity,measurementsdescribedinthistestmethodareusefulinbasicresearchandproductdevelopment.ThetestmethodissimilartothetestmethodspecifiedinISO10534-1inthatitusesanimpedancetubewithasoundsourceconnectedtooneendandthetestsamplemountedinthetubeattheotherend.However,themeasurementtechniqueisdifferent.Inthistestmethod,planewavesaregeneratedinatubebyanoisesource,andthedecompositionoftheinterferencefieldisachievedbythemeasurementofacousticpressuresattwofixedlocationsusingwall-mountedmicrophonesoranin-tubetraversingmicrophone,andsubsequentcalculationofthecomplexacoustictransferfunction,thenormalincidenceabsorptionandtheimpedanceratiosoftheacousticmaterial.Thetestmethodisintendedtoprovideanalternative,andgenerallymuchfaster,measurementtechniquethanthatofISO10534-1.ComparedwiththemeasurementofthesoundabsorptioninareverberationroomaccordingtothemethodspecifiedinISO354,therearesomecharacteristicdifferences.Thereverberationroommethodwill(underidealconditions)determinethesoundabsorptioncoefficientfordiffusesoundincidence,andthemethodcanbeusedfortestingofmaterialswithpronouncedstructuresinthelateralandnormaldirections.However,thereverberationroommethodrequirestestspecimenswhichareratherlarge,soitisnotconvenientforresearchanddevelopmentwork,whereonlysmallsamplesoftheabsorberareavailable.Theimpedancetubemethodislimitedtoparametricstudiesatnormalincidencebutrequiressamplesofthetestobjectwhichareofthesamesizeasthecross-sectionoftheimpedancetube.Formaterialsthatarelocallyreacting,diffuseincidencesoundabsorptioncoefficientscanbeestimatedfrommeasurementresultsobtainedbytheimpedancetubemethod.Fortransformationofthetestresultsfromtheimpedancetubemethod(normalincidence)todiffusesoundincidence,seeannexF.
【中国标准分类号】:A42
【国际标准分类号】:17_140_01
【页数】:34P;A4
【正文语种】:英语
【原文标准名称】:塑料.环氧树脂.氯含量测定.无机氯
【标准号】:BSENISO21627-1-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2003-12-09
【实施或试行日期】:2003-12-09
【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】:甘氮酸脂;电位测量法;定义;化学分析和试验;氯;无机物的;塑料;环氧树脂;含氯度;含量测定
【英文主题词】:Chemicalanalysisandtesting;Chlorine;Chlorinity;Definitions;Determinationofcontent;Epoxyresins;Glycidylesters;Inorganic;Plastics;Potentiometricmethods
【摘要】:ThispartofISO21627specifiesadirectpotentiometricmethodforthedeterminationofinorganicchlorineinepoxyresins,alsocalled"ionicchlorine".Theinorganicchlorinecontentisexpressedinmilligramsperkilogramofepoxyresin.
【中国标准分类号】:G31
【国际标准分类号】:83_080_10
【页数】:18P.;A4
【正文语种】:英语
【英文标准名称】:Acoustics-Determinationofsoundabsorptioncoefficientandimpedanceinimpedancetubes-Transfer-functionmethod
【原文标准名称】:声学.阻抗管中吸声系数和阻抗的测定.第2部分:传递函数法
【标准号】:BSISO10534-2-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-05-15
【实施或试行日期】:1999-05-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:声学工程;传递函数;波长;误差修正;比率;频率;声学测量;声学;方程;基座;声学试验;误差;反射系数;声速;校正;精密度;报告;试验设备;声音吸收;试样;声试验;声学性质和声学现象;隔音;数学计算;施工材料;试验条件;建筑物
【英文主题词】:acousticmeasurement;soundabsorptioncoefficient;transmission;soundabsorption;buildingacoustics;acousticabsorption;acoustics;acoustictesting;determination
【摘要】:Thistestmethodcoverstheuseofanimpedancetube,twomicrophonelocationsandadigitalfrequencyanalysissystemforthedeterminationofthesoundabsorptioncoefficientofsoundabsorbersfornormalsoundincidence.Itcanalsobeappliedforthedeterminationoftheacousticalsurfaceimpedanceorsurfaceadmittanceofsoundabsorbingmaterials.Sincetheimpedanceratiosofasoundabsorptivematerialarerelatedtoitsphysicalproperties,suchasairflowresistance,porosity,elasticityanddensity,measurementsdescribedinthistestmethodareusefulinbasicresearchandproductdevelopment.ThetestmethodissimilartothetestmethodspecifiedinISO10534-1inthatitusesanimpedancetubewithasoundsourceconnectedtooneendandthetestsamplemountedinthetubeattheotherend.However,themeasurementtechniqueisdifferent.Inthistestmethod,planewavesaregeneratedinatubebyanoisesource,andthedecompositionoftheinterferencefieldisachievedbythemeasurementofacousticpressuresattwofixedlocationsusingwall-mountedmicrophonesoranin-tubetraversingmicrophone,andsubsequentcalculationofthecomplexacoustictransferfunction,thenormalincidenceabsorptionandtheimpedanceratiosoftheacousticmaterial.Thetestmethodisintendedtoprovideanalternative,andgenerallymuchfaster,measurementtechniquethanthatofISO10534-1.ComparedwiththemeasurementofthesoundabsorptioninareverberationroomaccordingtothemethodspecifiedinISO354,therearesomecharacteristicdifferences.Thereverberationroommethodwill(underidealconditions)determinethesoundabsorptioncoefficientfordiffusesoundincidence,andthemethodcanbeusedfortestingofmaterialswithpronouncedstructuresinthelateralandnormaldirections.However,thereverberationroommethodrequirestestspecimenswhichareratherlarge,soitisnotconvenientforresearchanddevelopmentwork,whereonlysmallsamplesoftheabsorberareavailable.Theimpedancetubemethodislimitedtoparametricstudiesatnormalincidencebutrequiressamplesofthetestobjectwhichareofthesamesizeasthecross-sectionoftheimpedancetube.Formaterialsthatarelocallyreacting,diffuseincidencesoundabsorptioncoefficientscanbeestimatedfrommeasurementresultsobtainedbytheimpedancetubemethod.Fortransformationofthetestresultsfromtheimpedancetubemethod(normalincidence)todiffusesoundincidence,seeannexF.
【中国标准分类号】:A42
【国际标准分类号】:17_140_01
【页数】:34P;A4
【正文语种】:英语
