【英文标准名称】:Opticalfibreamplifiers-Basicspecification-Testmethodsforopticalpowerparameters-Opticalspectrumanalyzer
【原文标准名称】:光纤放大器.基本规范.光电参数测试方法.光谱分析仪
【标准号】:BSEN61290-2-1-1998
【标准状态】:作废
【国别】:英国
【发布日期】:1998-10-15
【实施或试行日期】:1998-10-15
【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】:纤维光学;光学纤维;辐射流量;试样;信号电平;试验设备;波谱;放大器;波的性质和现象;光学仪器;电子设备及元件;光学放大器;光学测量
【英文主题词】:
【摘要】:ThispartofIEC61290appliestoopticalfibreamplifiers(OFAs)usingactivefibres,containingrare-earthdopants,presentlycommerciallyavailable.Theobjectofthisstandardistoestablishuniformrequirementsforaccurateandreliablemeasurements,bymeansoftheopticalspectrumanalyzertestmethod,ofthefollowingOFAparameters,asdefinedinclause3ofIEC61291-1:a)nominaloutputsignalpower;b)large-signaloutputstability;c)saturationoutputpower;d)maximuminputsignalpower;e)maximumoutputsignalpower;f)inputpowerrange;g)outputpowerrange;h)maximumtotaloutputpower.NOTE-Allnumericalvaluesfollowedby()arecurrentlyunderconsideration.
【中国标准分类号】:M33
【国际标准分类号】:33_180_30
【页数】:16P;A4
【正文语种】:英语


【英文标准名称】:StandardGuideforUseofCasingAdvancementDrillingMethodsforGeoenvironmentalExplorationandInstallationofSubsurfaceWater-QualityMonitoringDevices
【原文标准名称】:地下水质量监测设备安装和地质环境勘探用套管先进钻探方法的标准指南
【标准号】:ASTMD5872-1995(2006)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:D18.21
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:钻;勘探;地质环境;羽绒;定位;装配;地下水;导则;使用;环境设备;质量监测设备;直接空气旋转钻;地质环境勘探;监测识别;套管先进钻碳方法;钻井法;捶法
【英文主题词】:casing-advancementdrillingmethod(s);directairrotarydrilling;down-the-holehammer(DTH);drillthroughcasinghammer;drilling;groundwater
【摘要】:1.1Thisguidecovershowcasing-advancementdrillingandsamplingproceduresmaybeusedforgeoenvironmentalexplorationandinstallationofsubsurfacewater-qualitymonitoringdevices.1.2Differentmethodsexisttoadvancecasingforgeoenvironmentalexploration.Selectionofaparticularmethodshouldbemadeonthebasisofgeologicconditionsatthesite.ThisguidedoesnotincludeproceduresforwirelinerotarycasingadvancersystemswhichareaddressedinGuideD5786.1.3Thevaluesstatedininch-poundorSIunitsaretoberegardedseparatelyasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Casing-advancementdrillingmethodsforgeoenvironmentalexplorationandmonitoring-deviceinstallationswillofteninvolvesafetyplanning,administrationanddocumentation.Thisguidedoesnotpurporttospecificallyaddressexplorationandsitesafety.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.5Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthisguidemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject''smanyuniqueaspects.Theword"Standard"inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.
【中国标准分类号】:D90
【国际标准分类号】:13_060_10
【页数】:8P.;A4
【正文语种】: