DIN 51936-1994 炭素材料的试验.高温下用激光脉冲法测定热扩散率.固体材料
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【英文标准名称】:Testingofcarbonmaterials;determinationofthermaldiffusityathightemperaturesbythelaserpulsemethod;solidmaterials
【原文标准名称】:炭素材料的试验.高温下用激光脉冲法测定热扩散率.固体材料
【标准号】:DIN51936-1994
【标准状态】:作废
【国别】:德国
【发布日期】:1994-01
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电导性;石墨;碳;导热性;固体;石墨材料;材料试验;碳素材料;温度;比较试验;热试验;定义;对比法;激光脉冲法;试验;测量
【英文主题词】:Carbon;Carbonmaterials;Comparativetests;Comparisonmethods;Conductivity;Definition;Definitions;Graphite;Graphitematerials;Laserpulsemethods;Materialstesting;Measurement;Solids;Temperature;Testing;Thermalconductivity;Thermaltesting
【摘要】:Thelaserpulsemethodisusedforthedeterminationofthethermaldiffusityincm/sathightemperaturesofcarbonandgraphitematerials(solidmatters).
【中国标准分类号】:Q50
【国际标准分类号】:71_060_10
【页数】:4P;A4
【正文语种】:德语
【英文标准名称】:Earth-movingmachinery-Safety-Part1:Generalrequirements
【原文标准名称】:土方机械.安全性.第1部分:一般要求
【标准号】:ISO20474-1-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-12
【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/TC127
【标准类型】:()
【标准水平】:()
【中文主题词】:事故预防;附加硬件设备;建筑机械;定义;定义(术语);驾驶员(车辆);土方机械;人类工效学;视野;危害;职业安全;保护措施;安全性;安全措施;机械安全性;安全要求;规范(验收);工作地点;工作场所安全性
【英文主题词】:Accidentprevention;Add-onpiece;Buildingmachines;Definition;Definitions;Drivers(vehicles);Earth-movingequipment;Ergonomics;Fieldofvision;Hazards;Occupationalsafety;Protectivemeasures;Safety;Safetymeasures;Safetyofmachinery;Safetyrequirements;Specification(approval);Workingplaces;Workplacesafety
【摘要】:ThispartofISO20474specifiesthegeneralsafetyrequirementsforearth-movingmachineryasdefinedinISO6165,eachoftheserequirementsbeingcommontotwoormoreearth-movingmachinefamilies.Itisalsoapplicabletomachineattachments,andtoderivatedmachinerydesignedprimarilyforequipmentusedtoloosen,pick-up,move,transportand/ordistributeearth,ortogradeearthandrock.ItisintendedtobeusedinconjunctionwiththeotherpartsofISO20474,whichgivetheprovisionsthatarespecifictoparticularmachinefamilies,andwithISO/TS20474-14,whichgivesinformationonprovisionsthataremandatoryinparticularcountriesorregions.ThosespecificrequirementstakeprecedenceovertherequirementsofthispartofISO20474forthemachinesconcerned.Formultipurposemachinery,allofthosepartsofISO20474whoserequirementscoverthefunctionsandapplicationsofsuchmachinesareapplicable.EXAMPLEForacompactloaderalsousedasatrencher,therelevantrequirementsofISO20474-1,ISO20474-3andISO20474-10areapplicable.ThispartofISO20474dealswithallsignificanthazards,hazardoussituationsandeventsrelevanttotheearth-movingmachinerywithinitsScopewhenusedasintendedorunderconditionsofmisusereasonablyforeseeablebythemanufacturer(seealsoISO/TS20474-14).Itspecifiestheappropriatetechnicalmeasuresforeliminatingorreducingrisksarisingfromsignificanthazards,hazardoussituationsoreventsduringcommissioning,operationandmaintenance.Itdoesnotdealwiththeelectricalhazardsrelatedtothemaincircuitsanddrivesofmachineswhentheprincipalsourceofenergyiselectrical.Itisnotapplicabletomachinesmanufacturedbeforethedateofitspublication.
【中国标准分类号】:P97
【国际标准分类号】:53_100
【页数】:22P;A4
【正文语种】:英语
【英文标准名称】:Opticalfibres-Part1-47:Measurementmethodsandtestprocedures-Macrobendingloss
【原文标准名称】:光纤.第1-47部分:测量方法和试验规程.宏弯曲损耗
【标准号】:IEC60793-1-47-2006
【标准状态】:作废
【国别】:国际
【发布日期】:2006-09
【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】:衰减因子;尺寸;电气工程;纤维光学;挠性;损耗;测量;测量技术;光波导;特性;灵敏度;试验
【英文主题词】:Dimensions;Electricalengineering;Fibreoptics;Flexibility;Losses;Macrobending;Macroscopic;Measurement;Measuringtechniques;Monomodefibres;Multimodefibres;Opticalwaveguides;Properties;Sensitivity;Specification(approval);Testing
【摘要】:ThispartofIEC60793establishesuniformrequirementsformeasuringthemacrobendinglossofsingle-modefibres(categoryB)at1550nmor1625nm,categoryA1multimodefibresat850nmor1300nm,andcategoryA3andA4multimodefibresat650nm,850nmor1300nm,therebyassistingintheinspectionoffibresandcablesforcommercialpurposes.Thestandardgivestwomethodsformeasuringmacrobendingsensitivity:MethodAMandrelwinding,pertainstocategoryBsingle-modefibresandcategoryA1multimodefibres.MethodBQuartercirclebends,pertainstocategoryA3andA4multimodefibres.Forbothofthesemethods,theopticalpowerismeasuredusingeitherthepowermonitoringorthecut-backtechnique.MethodsAandBareexpectedtoproducedifferentresultsiftheyareappliedtothesamefibre.Thisisbecausethekeydifferencebetweenthetwomethodsisthedeployment,includingthebendradiusandamountoffibrethatisbent.ThereasonforthedifferenceisthatA3andA4multimodefibresareexpectedtobedeployedinshortlengthswithrelativelyfewerbendscomparedtosingle-modeandcategoryA1multimodefibres.
【中国标准分类号】:M33
【国际标准分类号】:33_180_10
【页数】:21P;A4
【正文语种】:英语
