EN 12921-4-2005 利用液体或蒸汽的工业产品的表面清洁和预处理机器.第4部分:利用卤化溶剂的机械安全
时间:2024-05-17 18:36:49 来源: 标准资料网 作者：标准资料网 阅读：9043
【英文标准名称】:Machinesforsurfacecleaningandpretreatmentofindustrialitemsusingliquidsorvapours-Part4:Safetyofmachinesusinghalogenatedsolvents;GermanversionEN12921-4:2005
【原文标准名称】:利用液体或蒸汽的工业产品的表面清洁和预处理机器.第4部分:利用卤化溶剂的机械安全
【标准号】:EN12921-4-2005
【标准状态】:现行
【国别】:
【发布日期】:2005-09
【实施或试行日期】:2005-09-01
【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】:机器;安全要求;卤素;卤化作用;清洗材料;表面处理;工业产品;预处理;四氯乙烯;二氯甲烷;清洁设备;清洁设备;安全;机床;机械工程;清洁处理;危害;防事故;表面处理设备;溶剂;表面清洁;清洁机;定义;三氯乙烯
【英文主题词】:Cleaning;Cleaningequipment;Cleaningmachines;Cleaningmaterials;Definition;Definitions;Halogen;Halogenation;Hazards;Industrialproducts;Machinetools;Machines;Mechanicalengineering;Methylenedichloride;Plantsforcleaning;Pretreatment;Protectionagainstaccidents;Safety;Safetyrequirements;Solvents;Surfacecleaning;Surfacetreatment;Surfacetreatmentplants;Tetrachloroethylene;Trichlorethylene
【摘要】:
【中国标准分类号】:J70
【国际标准分类号】:25_220_10;25_220_20
【页数】:37P.;A4
【正文语种】:英语
【英文标准名称】:Opticalfibres-Part1-42:Measurementmethodsandtestprocedures-Chromaticdispersion
【原文标准名称】:光纤.第1-42部分:测量方法和试验程序.色散
【标准号】:IEC60793-1-42-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-06
【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】:电缆;色散;尺寸;电气工程;包络(线)时延;光纤;玻璃纤维电缆;玻璃纤维;纤维梯度;测量;测量技术;单模纤维;多模纤维;光波导;光电子学;性能;规范(验收);测试;测试装置
【英文主题词】:Cables;Chromaticdispersion;Dimensions;Dispersion;Dispersion(waves);Electricalengineering;Envelopedelay;Fibreoptics;Glassfibrecables;Glassfibres;Gradientfibres;Measurement;Measuringtechniques;Monomodefibres;Multimodefibres;Opticalwaveguides;Optoelectronics;Properties;Specification(approval);Testing;Testingdevices
【摘要】:ThispartofIEC60793establishesuniformrequirementsformeasuringthechromaticdispersionofopticalfibre,therebyassistingintheinspectionoffibresandcablesforcommercialpurposes.Chromaticdispersionvarieswithwavelength.Somemethodsandimplementationsmeasurethegroupdelayasafunctionofwavelengthandthechromaticdispersionanddispersionslopearededucedfromthederivatives(withrespecttowavelength)ofthisdata.Thisdifferentiationismostoftendoneafterthedataarefittedtoamathematicalmodel.Otherimplementationscanallowdirectmeasurement(ofthechromaticdispersion)ateachoftherequiredwavelengths.Forsomecategoriesoffibre,thechromaticdispersionattributesarespecifiedwiththeparametersofaspecificmodel.Inthesecases,therelevantrecommendationorstandarddefinesthemodelappropriateforthedefinitionofthespecifiedparameters,Forotherfibrecategories,thedispersionisspecifiedtobewithinagivenrangeforoneormorespecifiedwavelengthintervals.Inthelattercase,eitherdirectmeasurementsmaybemadeatthewavelengthextremesorsomefittingmodelmaybeusedtoalloweithergroupdelaymeasurementmethodsorimplementationsorstorageofareducedsetofparametersthatmaybeusedtocalculatetheinterpolateddispersionforparticularwavelengthswhichmaynothaveactualdirectmeasurementvalues.AnnexEgivesageneraldescriptionofchromaticdispersionfittingandoutlinesanumberoffittingequationssuitableforusewithanyofthemeasurementmethodsorfibrecategories.Thisstandardgivesfourmethodsformeasuringchromaticdispersion:-methodA:phaseshift;-methodB:spectralgroupdelayinthetimedomain;-methodC:differentialphaseshift;-methodD:interferometry.MethodsA,B,andCapplytothemeasurementofchromaticdispersionofthefollowingfibresoveraspecifiedwavelengthrange:-classA1graded-indexmultimodefibres;-categoryA4f,A4gandA4hmultimodefibres;-classBsingle-modefibres(allcategories).MethodDappliestothemeasurementofchromaticdispersionvaluesofsingle-modefibrescategoriesB1,B2,B4andB5overthe1000nmto1700nmwavelengthrange.Themethodscanbeappliedtolaboratory,factoryandfieldmeasurementsofchromaticdispersion,andthewavelengthrangeofthemeasurementscanbetailoredasrequired.MeasurementsaremadeattemperatureasstatedinIEC60793-1-1,Table1-Standardrangeofatmosphericconditions(Temperature23°C±5°C).Themethodsaresuitableforfibreorcablelengthsgreaterthan1km.Theymayalsobeappliedtoshorterlengths,butaccuracyandrepeatabilitymaybecompromised.MethodDisthepreferredmethodforshorterpiecefibres(1mto10m).InformationcommontoallmethodsiscontainedinClauses1-8,andinformationpertainingtoeachindividualmethodappearsinAnnexesA,B,C,andD,respectively.
【中国标准分类号】:M33
【国际标准分类号】:33_180_10
【页数】:65P;A4
【正文语种】:英语
【英文标准名称】:Industrialautomationsystemsandintegration-Productdatarepresentationandexchange-Part1490:Applicationmodule:Issue
【原文标准名称】:工业自动化系统和集成.产品数据表示和交换.第1490部分:应用模块:问题
【标准号】:ISO/TS10303-1490-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-03
【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/TC184
【标准类型】:()
【标准水平】:()
【中文主题词】:应用;自动化;自动化系统;计算机应用;数据;数据交换;数据表示;制图体系;工业产品;信息交流;信息交换;信息技术;过程自动化;产品数据;产品说明;表示法;技术制图
【英文主题词】:Applications;Automation;Automationsystems;Computerapplications;Data;Dataexchange;Datarepresentation;Drawingsystem;Industrialproducts;Informationexchange;Informationinterchange;Informationtechnology;Processautomation;Productdata;Productdescriptions;Representations;Technicaldrawing
【摘要】:
【中国标准分类号】:N18
【国际标准分类号】:35_240_50
【页数】:8P;A4
【正文语种】:英语