JIS F8524-1991 小型电动电报机
作者:标准资料网 时间:2024-05-15 10:22:22 浏览:9933
来源:标准资料网
【英文标准名称】:Smallsizeelectricenginetelegraphs
【原文标准名称】:小型电动电报机
【标准号】:JISF8524-1991
【标准状态】:作废
【国别】:日本
【发布日期】:
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:TechnicalCommitteeonShips
【标准类型】:()
【标准水平】:()
【中文主题词】:船用发动机;驾驶控制装置;电报设备;控制信号;海船
【英文主题词】:telegraphequipment;controlsignals;steeringcontroldevices
【摘要】:
【中国标准分类号】:U66
【国际标准分类号】:47_020_70
【页数】:18P;A4
【正文语种】:日语
【英文标准名称】:Familyspecification-TTLFASTdigitalintegratedcircuits-Series54F,74F;GermanversionEN190107:1994
【原文标准名称】:系列规范.TTL快式数字集成电路.系列54F,74F
【标准号】:EN190107-1994
【标准状态】:现行
【国别】:
【发布日期】:1996-11
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电气工程;电子设备及元件;规范;数字集成电路;类规范
【英文主题词】:Digitalintegratedcircuits;Electricalengineering;Electronicequipmentandcomponents;Familyspecification;Specification;TTL-LS-circuits
【摘要】:
【中国标准分类号】:L56
【国际标准分类号】:31_200
【页数】:11P.;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforEstimatingThurstonianDiscriminalDistances
【原文标准名称】:评定瑟斯顿识别距离的标准规程
【标准号】:ASTME2262-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:E18.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:感官分析;估计;距离
【英文主题词】:distances;discriminal;Thurstonian
【摘要】:1.1ThispracticedescribesprocedurestoestimateThurstoniandiscriminaldistances(thatis,d'values)fromdataobtainedontwosamples.Proceduresarepresentedforfourforced-choicemethods(thatis,thetriangle,theduo-trio,the3-alternative-forced-choice(or3-AFC)andthe2-AFC(alsocalledthedirectionaldifferencetest)),theA/Not-Amethod,theSame-Differentmethodandfordataobtainedfromorderedcategoryscales.Proceduresforestimatingthevarianceofd'arealsopresented.Thus,confidenceintervalsandstatisticaltestscanbecalculatedford'.1.2Theproceduresinthisdocumentpertainonlytotheunidimensional,equal-variancemodel.Other,morecomplicatedThurstonianmodels,involvingmultipledimensionsandunequalvariancesexistbutarenotaddressedinthisstandard.Theprocedureforforced-choicemethodsislimitedtodichotomousresponses.TheprocedurefortheA/Not-Amethodassumesequalsamplesizesforthetwosamples.TheprocedurefortheSame-Differentmethodassumesequalsamplesizesforthematchedandunmatchedpairsofsamples.Forallmethods,onlyunreplicatedtestsareconsidered.(Testsinwhicheachassessorperformsmultiple(thatis,replicated)evaluationsrequiredifferentanalyses.)1.3Thurstonianscalingisamethodformeasuringtheperceptualdifferencebetweentwosamplesbasedonaprobabilisticmodelforcategoricalchoicedecisionmaking.Themagnitudeoftheperceiveddifference,948;,canbeestimatedfromtheassessors'categoricalchoicesusingthemethodsdescribedinthispractice(SeeAppendixX3foramoredetaileddescriptionofThurstonianscaling).1.4Intheory,theThurstoniandoesnotdependonthemethodusedtomeasurethedifferencebetweentwosamples.Assuch,948;providesacommonscaleofmeasureforcomparingsamplesmeasuredunderavarietyoftestconditions.Forexample,Thurstonianscalingcanbeusedtocompareproductsmeasuredunderdifferenttestconditions,tocomparepanels(trained,consumerorboth)thathaveevaluatedthesamesamples(usingthesameordifferenttestmethods)andtocomparetestmethodsontheirabilitytodiscriminatesamplesthatexhibitafixedsensorydifference.1.5Thisstandardmayinvolvehazardousmaterials,operationsandequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A52
【国际标准分类号】:67_240
【页数】:47P.;A4
【正文语种】:
