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JJF 1121-2004 手持式齿距比较仪校准规范

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基本信息
标准名称:手持式齿距比较仪校准规范
英文名称:Calibration Specification for Hand-hold pitch Comparator
中标分类: 综合 >> 计量 >> 长度计量
ICS分类: 计量学和测量、物理现象 >> 长度和角度测量
替代情况:JJG 79-1982
发布部门:中华人民共和国国家质量监督检验检疫总局
发布日期:2004-06-04
实施日期:2004-12-01
首发日期:
作废日期:
归口单位:全国几何量长度计量技术委员会
起草单位:东风汽车公司计量所
起草人:郑旭
出版社:中国计量出版社
出版日期:2004-10-14
页数:11页
书号:155026-1817
适用范围

本规范适用于分度值为1μm,模数为2mm~15mm和10mm~16mm的手持式齿距比较仪的校准。

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所属分类: 综合 计量 长度计量 计量学和测量 物理现象 长度和角度测量
【英文标准名称】:Hydroxynaphthoicacid(3-Hydroxy-2-naphthoicacid.1-Hydroxy-2-naphthoicacid)
【原文标准名称】:羟基萘甲酸类(3-羟基-2-萘甲酸、1-羟基-2-萘甲酸)
【标准号】:JISK4131-1995
【标准状态】:作废
【国别】:日本
【发布日期】:1995-07-01
【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】:TechnicalCommitteeonChemicalAnalysis
【标准类型】:()
【标准水平】:()
【中文主题词】:羧酸(芳族);萘甲酸;有机颜料;染料;氢氧化物;萘;芳族化合物;萘酚
【英文主题词】:
【摘要】:
【中国标准分类号】:G17
【国际标准分类号】:71_080_40
【页数】:15P;A4
【正文语种】:日语


【英文标准名称】:StandardTestMethodforDeterminingtheBondStrength(PlyAdhesion)ofGeocomposites
【原文标准名称】:土工合成物粘结强度(层间附着力)测定的标准试验方法
【标准号】:ASTMD7005-2003(2008)
【标准状态】:现行
【国别】:美国
【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】:D35.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:bondstrength;geocomposite;laminates;plyadhesionstrength;Bendtesting;Bondstrength--geocomposites;Composites;Geocomposites;Laminates;Multi-plymaterials/applications;Plyadhesionstrength
【摘要】:Thistestmethodistobeusedasaqualitycontrolorqualityassurancetest.Asamanufacturingqualitycontrol(MQC)test,itwouldgenerallybeusedbythegeocompositeproductmanufacturerorfabricator.Asaconstructionqualityassurance(CQA)test,itwouldbeusedbycertificationorinspectionorganizations.Thistestmethodcanalsobeusedtoverifyiftheadhesionorbondstrengthvariesafterexposuretovariousincubationmediaindurabilityand/orchemicalresistancetesting.Whateveruseistobeassociatedwiththetest,itshouldbeunderstoodthatthisisanindextest.Note28212;TherehavebeennumerousattemptstorelatetheresultsofthistesttotheinterfaceshearingresistanceoftherespectivematerialsdeterminedperTestMethodD5321.Todate,norelationshipshavebeenestablishedbetweenthetwoproperties.TestMethodD7005fordeterminingthebondstrength(plyadhesion)strengthmaybeusedasanacceptancetestofcommercialshipmentsofgeocomposites,butcautionisadvisedsinceinformationaboutbetween-laboratoryprecisionisincomplete.Comparativetestsasdirectedin5.4.1areadvisable.InthecaseofadisputearisingfromdifferencesinreportedtestresultswhenusingtheprocedureinTestMethodD7005foracceptanceofcommercialshipments,thepurchaserandthesuppliershouldfirstconfirmthatthetestswereconductedusingcomparabletestparametersincludingspecimenconditioning,gripfaces,gripsize,etc.Comparativetestsshouldthenbeconductedtodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensthatareashomogeneousaspossibleandthatarefromalotofthematerialinquestion.Thetestspecimensshouldberandomlyassignedtoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedtotheStudent''st-testforunpaireddataandanacceptableprobabilitylevelchosenbythetwopartiesbeforethetestingisbegun.Ifabiasisfound,eitheritscausemustbefoundandcorrectedorthepurchaserandsuppliermustagreetointerpretfuturetestresultsinthelightoftheknownbias.RefertoPracticeD2905,Table1.1.1Ithasbeenwidelydiscussedintheliteraturethatbondstrengthofflexiblemulti-plymaterialsisdifficulttomeasurewithcurrenttechnology.Theaboveisrecognizedandaccepted,sinceallknownmethodsofmeasurementincludetheforcerequiredtobendtheseparatedlayers,inadditiontothatrequiredtoseparatethem.However,usefulinformationcanbeobtainedwhenonerealizesthatthebendingforceisincludedandthatdirectcomparisonbetweendifferentmaterials,orevenbetweenthesamematerialsofdifferentthickness,cannotbemade.Also,conditioningthataffectsthemodulioftheplieswillbereflectedinthebondstrengthmeasurement.1.2Thisindextestmethoddefinesaprocedureforcomparingthebondstrengthorplyadhesionofgeocomposites.Thefocusisongeotextilesbondedtogeonetsorothertypesofdrainagecores;forexample,geomats,geospacers,etc.Otherpossibleusesaregeotextilesadheredorbondedtothemselves,geomembranes,geogrids,orotherdissimilarmaterials.Variousprocessescanmakesuchlaminates:adhesives,thermalbonding,stitchbonding,needling,spreadcoating,etc.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationpurposesonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthis......
【中国标准分类号】:W59
【国际标准分类号】:59_080_70
【页数】:3P.;A4
【正文语种】:英语