【英文标准名称】:Opticalamplifiers-Testmethods-Part10-1:Multichannelparameters-Pulsemethodusinganopticalswitchandopticalspectrumanalyzer(IEC61290-10-1:2009);GermanversionEN61290-10-1:2009
【原文标准名称】:光学放大器.试验方法.第10-1部分:多波段参数.使用光学开关和光谱分析仪的脉冲法(IEC61290-10-1-2009).德文版本EN61290-10-1-2009
【标准号】:DINEN61290-10-1-2010
【标准状态】:现行
【国别】:德国
【发布日期】:2010-01
【实施或试行日期】:2010-01-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:放大器;分析仪;应用;电气工程;纤维光学;数学计算;测量;测量技术;多道记录;多通道的;噪音系数;光学纤维;光学仪器;光波导;光学;参数;性能;脉冲重复频率;稀土金属;评定;规范;光谱分析;光谱学仪器;开关;测试;使用
【英文主题词】:Amplifiers;Analyzers;Applications;Electricalengineering;Fibreoptics;Mathematicalcalculations;Measurement;Measuringtechniques;Multi-channelrecording;Multichannels;Noisefigure;Opticalfibres;Opticalinstruments;Opticalwaveguides;Optics;Parameters;Properties;Pulserepetitionfrequencies;Rareearthmetals;Ratings;Specification;Spectralanalysis;Spectroscopicinstruments;Switches;Testing;Use
【摘要】:ThispartofIEC61290appliestoopticalamplifiers(OAs)usingactivefibresandwaveguides,containingrare-earthdopants,currentlycommerciallyavailable.Theobjectofthisstandardistoestablishuniformrequirementsforaccurateandreliablemeasurementsofthesignal-spontaneousnoisefigureasdefinedinIEC61291-1.
【中国标准分类号】:M33
【国际标准分类号】:33_180_30
【页数】:26P.;A4
【正文语种】:德语


【英文标准名称】:StandardPracticeforSurfaceSiteCharacterizationforOn-SiteSepticSystems
【原文标准名称】:现场腐化装置的地点表面特征的标准实施规程
【标准号】:ASTMD5879-1995(2010)
【标准状态】:现行
【国别】:美国
【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】:D18.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:fieldinvestigations;preliminaryinvestigations;septicsystems;sitecharacterization;siteinvestigations;Siteidentification/investigation/selection;Surfaceanalysis--soil/rock/relatedmaterials;Wastewatertesting/treatment;Fieldinvestigations
【摘要】:Thispracticeshouldbeusedastheinitialstepforevaluatingasiteforitspotentialtosupportanon-sitesepticsystemandtodeterminethebestlocationforsubsurfaceobservationsascoveredinPracticeD5921.Thispracticeshouldbeusedbyindividualsinvolvedwiththeevaluationofpropertiesfortheuseofon-sitesepticsystems.Suchindividualsmayberequiredtobelicensed,certified,ormeetminimumeducationalrequirementsbythelocalorstateregulatoryauthority.Generally,suchindividualsshouldbefamiliarwiththeappropriateregulatoryrequirementsgoverningthedesignandplacementofon-sitesepticsystemsfortheareaofthesitebeinginvestigated,andatleastsomeexperienceortrainingingeomorphology,soils,geology,andhydrology.Thispracticeisonestepinthedesignofanon-sitesepticsystemthatalsoincludessubsurfacecharacterization,seePracticeD5921,stakingandprotectionofthesoilabsorptionorconstructedfilterbedarea,seePracticeD5925,selectionofsystemtype,anddesignofthesystemsizeandconfiguration.Typically,thesameindividualwillperformthesurfaceandsubsurfacecharacterizationofasite.Localregulationandpracticewilldeterminewhetherthesameindividualisresponsibleforallstepsintheprocessoflocatinganddesigninganon-sitesepticsystem.Effectivesurfaceandsubsurfacecharacterizationofasiteforon-sitesepticsystems,however,requiressomeknowledgeofthefollowingforthecountyorstateinwhichthesiteislocated:(1)on-sitesepticsystemtypestypicallyusedfordifferentsoilconditions,and(2)typicalsoilabsorption/filterbedareasrequiredfordifferentwastewaterflowratesandarealsoilwastewaterloadingrates.1.1Thispracticecoversproceduresforthecharacterizationofsurfaceconditionsatasiteforevaluatingsuitabilityforanon-sitesepticsystemfordisposalandtreatmentofwastewater.Thispracticeprovidesamethodforidentifyingpotentiallysuitableareasforsoilabsorptionofseptictankwastewater.1.2Thispracticecanbeusedatanysitewhereon-sitetreatmentofresidentialandnonhazardouscommercialwastewatersusingseptictanksandnaturalsoilsorconstructedfilterbedsisrequiredoranoptionunderconsideration.Thispracticemayalsobeusefulwhenconstructedwetlandsareusedasanalternativewastewatertreatmentmethod.1.3ThispracticeshouldbeusedinconjunctionwithPracticesD5921andD5925.1.4Thispracticeoffersasetofinstructionsforperformingoneormorespecificoperations.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthispracticemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject''smanyuniqueaspects.Thewordx201C;Standardx201D;inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.
【中国标准分类号】:Q86
【国际标准分类号】:13_060_30
【页数】:4P.;A4
【正文语种】:英语