IEC 60254-1 AMD 1-1990 第1次修改

作者:标准资料网 时间:2024-04-29 13:02:34   浏览:9256   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Lead-acidtractionbatteries;part1:generalrequirementsandmethodsoftest;amendment1toIEC254-1:1983
【原文标准名称】:第1次修改
【标准号】:IEC60254-1AMD1-1990
【标准状态】:作废
【国别】:国际
【发布日期】:1990-12
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC21
【标准类型】:()
【标准水平】:()
【中文主题词】:电气工程;试验;牵引用蓄电池;规范(批准);总论;酸性铅蓄电池;蓄电池
【英文主题词】:testing;specification(approval);electricalengineering;storagebatteries;lead-acidbatteries;generalsection;tractionbatteries
【摘要】:
【中国标准分类号】:K84
【国际标准分类号】:2270
【页数】:7P;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:StandardPracticeforInstallingSound-IsolatingLightweightPartitions
【原文标准名称】:隔声.轻质隔断的安装
【标准号】:ASTME497-1999
【标准状态】:作废
【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】:E33.04
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:装配;隔音;熟石膏;隔墙;工艺;建筑声学;声学;板;建筑
【英文主题词】:Acoustialmaterials-soundinsulation;Buildingconstructions/materials-partitions;Installation-acousticmaterials;Installation-gypsumproducts;gypsumboardpartitions,forconservingsound-insulationefficiency,;practice
【摘要】:Manyofthebenefitsofwallswithhighsoundtransmissionclassratings(STC),canbelostbecauseofpoorconstructiondetailsorimproperinstallation.Establishedreputablemanufacturersofbuildingmaterialsandsystemsexercisegreat
【中国标准分类号】:P32
【国际标准分类号】:91_060_10;91_120_20
【页数】:15P.;A4
【正文语种】:


【英文标准名称】:Sensoryanalysis-Methodology-Triangletest
【原文标准名称】:感官分析.方法学.三角试验
【标准号】:ISO4120-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-06
【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/TC34
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;感官分析;检验师;试验设备;定义;试样制备;格式(纸);食品;差值;空白格式;检验人员;感官;比较分析法;抽样方法;分析;三角试验;感官分析(食品);试验条件;形式;感官分析装置;比较;食品检验
【英文主题词】:Analysis;Blankforms;Comparison;Comparisonanalysis;Definitions;Differences;Foodproducts;Foodtesting;Forms;Forms(paper);Inspectors;Interpretations;Samplingmethods;Sensory;Sensoryanalysis;Sensoryanalysisapparatus;Sensoryanalysis(food);Specification(approval);Specimenpreparation;Testequipment;Testreports;Testing;Testingconditions;Testingpersonnel;Triangulartests
【摘要】:ThisInternationalStandarddescribesaprocedurefordeterminingwhetheraperceptiblesensorydifferenceorsimilarityexistsbetweensamplesoftwoproducts.Themethodisaforced-choiceprocedure.Themethodisapplicablewhetheradifferenceexistsinasinglesensoryattributeorinseveralattributes.Themethodisstatisticallymoreefficientthantheduo-triotest(describedinISO10399),buthaslimitedusewithproductsthatexhibitstrongcarryoverand/orlingeringflavours.Themethodisapplicableevenwhenthenatureofthedifferenceisunknown[i.e.itdeterminesneitherthesizenorthedirectionofdifferencebetweensamples,noristhereanyindicationoftheattribute(s)responsibleforthedifference].Themethodisapplicableonlyiftheproductsarefairlyhomogeneous.Themethodiseffectivefora)determiningthat—eitheraperceptibledifferenceresults(triangletestingfordifference),or—aperceptibledifferencedoesnotresult(triangletestingforsimilarity)when,forexample,achangeismadeiningredients,processing,packaging,handlingorstorage;b)orforselecting,trainingandmonitoringassessors.
【中国标准分类号】:X04
【国际标准分类号】:67_240
【页数】:15P;A4
【正文语种】:英语