NF V04-395-1997 干酪和加工干酪制品.添加的柠檬酸盐乳化剂和表示为柠檬酸的酸化剂/pH值控制剂的含量计算
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【英文标准名称】:Processedcheeseandprocessedcheeseproducts.Calculationofthecontentofaddedcitrateemulsifyingagentsandacidifiers/pH-controllingagents,expressedascitricacid.
【原文标准名称】:干酪和加工干酪制品.添加的柠檬酸盐乳化剂和表示为柠檬酸的酸化剂/pH值控制剂的含量计算
【标准号】:NFV04-395-1997
【标准状态】:作废
【国别】:法国
【发布日期】:1997-10-01
【实施或试行日期】:1997-10-05
【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】:Agriculturalproducts;Chemicalanalysisandtesting;Citratecontent;Citricacid;Dairyproducts;Definition;Definitions;Determinationofcontent;Emulsifyingagents;Methodsofcalculation;pHcontrol;Processedcheese
【摘要】:
【中国标准分类号】:X16
【国际标准分类号】:67_100_30
【页数】:5P;A4
【正文语种】:其他
【英文标准名称】:StandardPracticeforConstructionofaSteppedBlockandItsUsetoEstimateErrorsProducedbySpeed-of-SoundMeasurementSystemsforUseonSolids
【原文标准名称】:阶梯形砌块的结构和固体用声速测量系统对砌块进行检验产生的评估错误
【标准号】:ASTME1544-1999(2004)e1
【标准状态】:现行
【国别】:
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E28.13
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:超声检验;无损检验;玻璃;试验
【英文主题词】:acousticvelocity;elasticmoduli;materialscharacterization;referencestandard;residualstress;speedofsound;stressmeasurement;ultrasonics
【摘要】:Theuseofsoundspeedvaluestodeterminechangesintheelasticconstantsduetoappliedorresidualstressrequiresthatsuchmeasurementsbeofhighprecisionandlowbias.Forthatreason,specialevaluationteststodeterminearepresentativeprecisionandbiasforthespecifictechnique,method,andequipmentsetupusedaregiven.Speedofsoundisameasurethatdependsontheaccuratemeasurementsoflengthofpathoftravelandtransittimeorotherrelatedparameterssuchasfrequency,etc.Bothmeasurementsaresubjecttocertaininterpretationsandassumptionsandarehighlydependentonlaboratoryexpertise.Thispracticeprovidesameansofcheckingoveralltechnique.Thispracticeshallbeusedwhenitisnecessarytoassessthesystematicandrandomerrorsassociatedwithaparticularspeedofsoundmeasurementinasolidmedium.Itcanbeusedtocheckbothequipmentperformanceandmeasurementtechniquefortheseerrors.Itcanalsobeusedtostudyinherenterrorsinaparticularmethod.ItcanalsobeusedtoassessproposedcorrectionstosoundspeedmeasurementssuchasthephasecorrectionsofPapadakis(3,4).Theresultantprecisionandbiasdeterminedbytheuseofthedescribedblockrepresentsamoreidealsituationthanthesamemeasurementperformedinpractice,inthefield.Thus,theerrorforthespecificfieldmeasurementmaybelargerthanindicatedbythistest.Thistestrepresentsthebesterrorconditionforagiventechniqueandpractice.1.1Thispracticeprovidesameansforevaluatingbothsystematicandrandomerrorsforultrasonicspeed-of-soundmeasurementsystemswhichareusedforevaluatingmaterialcharacteristicsassociatedwithresidualstressandwhichmayalsobeusedfornondestructivemeasurementsofthedynamicelasticmoduliofmaterials.Importantfeaturesandconstructiondetailsofareferenceblockcrucialtotheseerrorevaluationsaredescribed.Thispracticecanbeusedwhenevertheprecisionandbiasofsoundspeedvaluesareinquestion.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q17
【国际标准分类号】:
【页数】:6P.;A4
【正文语种】:
Product Code:SAE J949
Title:Test Method for Determining Stiffness (Modulus of Bending) of Interior Trim Materials and Substrates
Issuing Committee:Textile And Flexible Plastics Committee
Scope: This SAE Standard presents a method of determining the stiffness of fiberboards.
