MIL-S-22698C
作者:标准资料网 时间:2024-05-25 04:40:16 浏览:8200
来源:标准资料网
下载地址: 点击此处下载
MIL-S-22698C, MILITARY SPECIFICATION: STEEL PLATE, SHAPES AND BARS, WELDABLE ORDINARY STRENGTH AND HIGHER STRENGTH: STRUCTURAL (29 JUN 1988)., This specification covers ordinary strength and higher strength steel plate, shapes and bars.
下载地址: 点击此处下载
【英文标准名称】:Opticalfibres-Measurementmethodsandtestprocedures-Chromaticdispersion
【原文标准名称】:光纤.测量方法和试验规程.色散
【标准号】:BSEN60793-1-42-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-07-31
【实施或试行日期】:2007-07-31
【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】:光缆;色散;尺寸规格;频散;电气工程;包络时延;纤维光学;光纤;玻璃纤维光缆;玻璃纤维;梯度纤维;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(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】:34P.;A4
【正文语种】:英语
【英文标准名称】:Acoustics-Laboratorytestsonnoiseemissionfromappliancesandequipmentusedinwatersupplyinstallations-Part3:Mountingandoperatingconditionsforin-linevalvesandappliances
【原文标准名称】:声学供水设施的装置和设备发射的噪声的实验室测试第3部分:管路阀门和器件的安装和工作条作
【标准号】:ISO3822-3-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-02
【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/TC43
【标准类型】:()
【标准水平】:()
【中文主题词】:噪声辐射;给水设施;给水;试验;装配;配件;实验室试验;声学;阀门;空气噪声;试验条件;声学试验
【英文主题词】:Acousticmeasurement;Acousticpropertiesandphenomena;Acoustictesting;Acoustics;Airbornenoise;Airbornesound;Airbornesoundlevel;Connections;Fittings;In-linevalves;Installation;Laboratories;Laboratorytesting;Laboratorytests;Materialstesting;Mixingbatteries;Noiseemission;Noiseemissions;Noise(environmental);Noisemeasurements;Operatingconditions;Testconditions;Testing;Testingconditions;Valves;Watersupply;Watersupplyinstallations
【摘要】:Givesthemountingandoperatingconditionstobeusedforin-linevalvesandappliances,whichcontroltheflow,pressureortemperatureofthewaterinwatersupplyinstallations,whenmeasuringthenoiseemissionresultingfromwaterflow.Replacesthefirstedition.
【中国标准分类号】:P31
【国际标准分类号】:17_140_20;91_140_60
【页数】:8P;A4
【正文语种】:英语
【原文标准名称】:光纤.测量方法和试验规程.色散
【标准号】:BSEN60793-1-42-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-07-31
【实施或试行日期】:2007-07-31
【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】:光缆;色散;尺寸规格;频散;电气工程;包络时延;纤维光学;光纤;玻璃纤维光缆;玻璃纤维;梯度纤维;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(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】:34P.;A4
【正文语种】:英语
【英文标准名称】:Acoustics-Laboratorytestsonnoiseemissionfromappliancesandequipmentusedinwatersupplyinstallations-Part3:Mountingandoperatingconditionsforin-linevalvesandappliances
【原文标准名称】:声学供水设施的装置和设备发射的噪声的实验室测试第3部分:管路阀门和器件的安装和工作条作
【标准号】:ISO3822-3-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-02
【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/TC43
【标准类型】:()
【标准水平】:()
【中文主题词】:噪声辐射;给水设施;给水;试验;装配;配件;实验室试验;声学;阀门;空气噪声;试验条件;声学试验
【英文主题词】:Acousticmeasurement;Acousticpropertiesandphenomena;Acoustictesting;Acoustics;Airbornenoise;Airbornesound;Airbornesoundlevel;Connections;Fittings;In-linevalves;Installation;Laboratories;Laboratorytesting;Laboratorytests;Materialstesting;Mixingbatteries;Noiseemission;Noiseemissions;Noise(environmental);Noisemeasurements;Operatingconditions;Testconditions;Testing;Testingconditions;Valves;Watersupply;Watersupplyinstallations
【摘要】:Givesthemountingandoperatingconditionstobeusedforin-linevalvesandappliances,whichcontroltheflow,pressureortemperatureofthewaterinwatersupplyinstallations,whenmeasuringthenoiseemissionresultingfromwaterflow.Replacesthefirstedition.
【中国标准分类号】:P31
【国际标准分类号】:17_140_20;91_140_60
【页数】:8P;A4
【正文语种】:英语
