ASTM B 446-1993 镍铬钼钶合金条和棒

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【英文标准名称】:AcceptancetestsforCO-laserbeammachinesforhighqualityweldingandcutting—Part4:Machineswith2-Dmovingoptics
【原文标准名称】:高质量焊接和切割用CO2激光光束机的验收试验.第4部分:带二维移动光学的机械
【标准号】:ISO15616-4-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-12-15
【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/TC44
【标准类型】:()
【标准水平】:()
【中文主题词】:验收检验;验收规范;二氧化碳;分类;切削;定义;交货条件;效率;检验;激光切割;激光光束闪光管;激光射线焊接;激光束;激光焊接;机械;测量;测量技术;精密度;性能;质量保证;评定;规范(验收);试验;试验条件;公差(测量);二维的;验证;焊接接头;焊接;焊接工程;焊接设备;焊机;焊接速度
【英文主题词】:Acceptanceinspection;Acceptancespecification;Carbondioxide;Classification;Cutting;Definition;Definitions;Deliveryconditions;Efficiency;Inspection;Laserbeamcutting;Laserbeammachines;Laserbeamwelding;Laserbeams;Laserwelding;Machines;Measurement;Measuringtechniques;Precision;Properties;Qualityassurance;Ratings;Specification(approval);Testing;Testingconditions;Tolerances(measurement);Two-dimensional;Verification;Weldedjoints;Welding;Weldingengineering;Weldingequipment;Weldingmachines;Weldingspeed
【摘要】:ThispartofISO15616providesminimumrequirementsforacceptancetesting,usingpracticaltestmethods,forCO-laserbeammachinesforhighqualityweldingandcuttingintwodimensions(2-D),havingafixedworkpieceontheplatenandmovingoptics.ThispartofISO15616isnotapplicabletoCO-laserbeammachineswhichuseanarticulatedrobot,nordoesitapplytoworkstations,suchasaweldingpositioner,fixedboardcutter,etc.ThispartofISO15616doesnotcoverhazardprotectiondevices,suchasthosefordischargingchipsandparticlesgeneratedduringweldingandcutting.
【中国标准分类号】:J64
【国际标准分类号】:25_160_30
【页数】:14P.;A4
【正文语种】:英语


【英文标准名称】:Sensoryanalysis-Methodology-Duo-triotest
【原文标准名称】:感官分析.方法论.对比试验法
【标准号】:BSENISO10399-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2004-07-02
【实施或试行日期】:2004-07-02
【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】:分析;比较试验;定义;对比试验法;食品;试验研究;抽样方法;感官;感官分析;感官分析(食品);试验;试验条件
【英文主题词】:Analysis;Comparativetests;Definitions;Duo-Triotest;Foodproducts;Investigations;Samplingmethods;Sensory;Sensoryanalysis;Sensoryanalysis(food);Testing;Testingconditions
【摘要】:ThisInternationalStandarddescribesaprocedurefordeterminingwhetheraperceptiblesensorydifferenceorsimilarityexistsbetweensamplesoftwoproducts.Themethodisaforced-choiceprocedure.Themethodisapplicablewhetheradifferenceexistsinasinglesensoryattributeorinseveralattributes.Themethodisstatisticallylessefficientthanthetriangletest(describedinISO4120)butiseasiertoperformbytheassessors.Themethodisapplicableevenwhenthenatureofthedifferenceisunknown[i.e.itdeterminesneitherthesizenorthedirectionofdifferencebetweensamples,noristhereanyindicationoftheattribute(s)responsibleforthedifference].Themethodisapplicableonlyiftheproductsarefairlyhomogeneous.Themethodiseffectivefora)determiningthat?eitheraperceptibledifferenceresults(duo-triotestingfordifference),or?aperceptibledifferencedoesnotresult(duo-triotestingforsimilarity)when,forexample,achangeismadeiningredients,processing,packaging,handlingorstorage;b)orforselecting,trainingandmonitoringassessors.Twoformsofthemethodaredescribed:?theconstant-referencetechnique,usedwhenoneproductisfamiliartotheassessors(e.g.asamplefromregularproduction),and?thebalanced-referencetechnique,usedwhenoneproductisnotmorefamiliarthantheother.
【中国标准分类号】:X04
【国际标准分类号】:67_240
【页数】:26P.;A4
【正文语种】:英语