IEC 60793-1-33-2001 光纤第1-33部分:测量方法和试验规程应力腐蚀敏感度

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【英文标准名称】:Opticalfibres-Part1-33:Measurementmethodsandtestprocedures-Stresscorrosionsusceptibility
【原文标准名称】:光纤第1-33部分:测量方法和试验规程应力腐蚀敏感度
【标准号】:IEC60793-1-33-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-08
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC86A
【标准类型】:()
【标准水平】:()
【中文主题词】:静荷载;数学计算;疲劳特性;光波导;规范(验收);动力荷载;玻璃纤维;导电体;特性;电气工程;两点测量;总规范;玻璃纤维电缆;参数;抗弯应力;纤维光学;额定值;拉伸应变;可腐蚀性;试验;多模纤维;规范;应力腐蚀;单模纤维;电缆
【英文主题词】:Bendingstress;Corrodibility;Dynamicloading;Electriccables;Electricconductors;Electricalengineering;Fatiguebehaviour;Fibreoptics;Genericspecification;Glassfibrecables;Glassfibres;Mathematicalcalculations;Monomodefibres;Multimodefibres;Opticalwaveguides;Parameters;Properties;Ratings;Specification;Specification(approval);Staticloading;Stresscorrosion;Tensilestrain;Testing;Two-pointmeasurement
【摘要】:ThispartofIEC60793containsdescriptionsofthefivemaintestmethodsconcerningthedeterminationofstresscorrosionsusceptibilityparameters.Theobjectofthisstandardistoestablishuniformrequirementsforthemechanicalcharacteristicstresscorrosionsusceptibility.Dynamicfatigueandstaticfatiguetestsareusedinpracticetodeterminestresscorrosionsusceptibilityparameters,dynamicn-valueandstaticn-value.Anyfibremechanicaltestshoulddeterminefracturestressandfatiguepropertiesunderconditionsthatmodelthepracticalapplicationascloseaspossible.Someappropriatetestmethodsareavailable:-A:Dynamicnvaluebyaxialtension(seeannexA);-B:Dynamicnvaluebytwo-pointbending(seeannexB);-C:Staticnvaluebyaxialtension(seeannexC);-D:Staticnvaluebytwo-pointbending(seeannexD);-E:Staticnvaluebyuniformbending(seeannexE).ThesemethodsareappropriatefortypesA1,A2andA3multimodeandtypeB1single-modefibres.Staticanddynamicfatiguetestmethodsshowcomparableresultsifbothtestsareperformedinthesameeffectivemeasuringtime.Fordynamicfatigueteststhismeansameasuringtimewhichis(n+1)timeslargerthanthemeasuringtimeofstaticfatiguetests.Whenusingstaticfatiguetestmethods,ithasbeenobservedthatforlongermeasuringtimesandconsequentlylowerappliedstresslevels,then-valueincreases.Therangeofmeasuringtimesofthestaticfatiguetests,giveninthisstandard,approachesthepracticalsituationbetterthanthatofthedynamicfatiguetests,whichingeneralareperformedinrelativelyshorttime-frames.Thesetestsprovidevaluesofthestresscorrosionparameter,n,thatcanbeusedforreliabilitycalculationsaccordingtoIEC62048.
【中国标准分类号】:M33
【国际标准分类号】:33_180_01
【页数】:75P.;A4
【正文语种】:英语


【英文标准名称】:Internationalgearnotation-Symbolsforgeometricaldata
【原文标准名称】:齿轮的国际符号表示法.几何参数符号
【标准号】:BSISO701-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-10-15
【实施或试行日期】:1999-10-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:数据布置;机械传动系统;齿轮参数;图形符号;名称与符号;符号;几何;数据;齿轮传动
【英文主题词】:Gearwheels;Geometric;Properties;Symbols
【摘要】:ThisInternationalStandardspecifiesgeometricalsymbolsforuseinnotationofgeardata.Itcomprisestwolists:—theprincipalsymbols,consistingofasinglebasicletter(seetable1);and—subscriptstobeusedasnecessarytoqualifyprincipalsymbols(seetables2,3and4).
【中国标准分类号】:J04
【国际标准分类号】:01_075;21_200
【页数】:12P;A4
【正文语种】:英语


【英文标准名称】:Sensoryanalysis-Methodology-Generalguidanceforestablishingasensoryprofile
【原文标准名称】:感官分析.方法论.确立感觉曲线的通用指南
【标准号】:BSENISO13299-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2003-03-24
【实施或试行日期】:2003-03-24
【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】:农产品;应用;特性;定义;饮料;食品;指导手册;执行;方法;嗅觉分析;感知;轮廓;感官;感官分析(食品);品尝检验;试验条件;检验人员
【英文主题词】:Agriculturalproducts;Applications;Behaviour;Definitions;Drinks;Foodproducts;Guidebooks;Implementation;Methods;Olfactoryanalysis;Perception;Profile;Sensory;Sensoryanalysis(food);Tastetests;Testingconditions;Testingpersonnel
【摘要】:ThisInternationalStandarddescribestheoverallprocessfordevelopingasensoryprofile.Sensoryprofilescanbeestablishedforproductssuchasfoodsandbeverages,andcanalsobeusefulinstudiesofhumancognitionandbehaviour.Someapplicationsofsensoryprofilingareasfollows:?todeveloporchangeaproduct;?todefineaproduct,productionstandardortradingstandardintermsofitssensoryattributes;?tostudyandimproveshelf-life;?todefineareference“fresh”productforshelf-lifetesting;?tocompareaproductwithastandardorwithothersimilarproductsonthemarketorunderdevelopment;?tomapaproduct'sperceivedattributesforthepurposeofrelatingthemtofactorssuchasinstrumental,chemicalorphysicalproperties,and/ortoconsumeracceptability;?tocharacterizebytypeandintensitytheoff-odoursoroff-tastesinasampleofairorwater(e.g.inpollutionstudies).
【中国标准分类号】:X04
【国际标准分类号】:67_240
【页数】:32P.;A4
【正文语种】:英语