GB/T 15167-1994 半导体激光光源总规范
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来源:标准资料网
基本信息
标准名称: | 半导体激光光源总规范 |
英文名称: | General specification for light source of semiconductor lasers |
中标分类: |
电子元器件与信息技术 >>
半导体分立器件 >>
其他 |
ICS分类: |
电子学 >>
光电子学、激光设备
|
替代情况: | 作废; |
发布部门: | 国家技术监督局 |
发布日期: | 1994-08-01 |
实施日期: | 1995-03-01 |
首发日期: | 1994-08-15 |
作废日期: | 2005-10-14 |
主管部门: | 信息产业部(电子) |
归口单位: | 信息产业部(电子) |
起草单位: | 电子工业部标准研究所、十三 |
出版社: | 中国标准出版社 |
出版日期: | 2004-07-24 |
页数: | 平装16开, 页数:14, 字数:21千字 |
书号: | 155066.1-11410 |
适用范围
本规范规定了各类半导体激光光源的通用要求。产品的特性和有关详细要求在具体型号产品的详细规范中规定。本规范适用于由激光二极管管芯、监视光敏二极管管芯、热传感器(需要时)、致冷器(需要时)封装于同一外壳内并与尾纤(需要时)耦合成一体的半导体激光光源(简称模块),也适用于由激光二极管(带或不带尾纤)构成的激光光源(简称二极管光源)。
前言
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目录
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引用标准
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所属分类: 电子元器件与信息技术 半导体分立器件 其他 电子学 光电子学 激光设备
【英文标准名称】:TestMethodforVibratedBulkDensityofCalcinedPetroleumCoke
【原文标准名称】:煅烧石油焦碳的振动松密度用试验方法
【标准号】:ANSI/ASTMD4292-1992
【标准状态】:作废
【国别】:美国
【发布日期】:1992
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:松密度;润滑剂;石油产品;测试
【英文主题词】:Bulkdensity;Lubricants;Petroleumproducts;Testing
【摘要】:Thistestmethodcoversthedeterminationofbulkdensityofarepresentative2-kgsampleofcalcinedpetroleumcoke,aftervibrationtoincreasecompaction.Theprocedureislimitedtoparticlespassingthrougha6.68-mmopeningsieve(equivalenttoa3-meshTylerStandardSeries)andretainedona0.21-mmopeningsieve(equivalenttoa65-meshTylerStandardSeries).Further,theprocedureislimitedtoaspecifictestsamplehavingparticlesretainedbetweenscreenshavingopeningsthatdifferbyafactoroflessthan2Equation1-2andpreferablylessthan2.ThevaluesstatedinacceptableSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E30
【国际标准分类号】:75_160_10
【页数】:
【正文语种】:英语
【英文标准名称】:StandardGuideforApplyingStatisticalMethodsforAssessmentandCorrectiveActionEnvironmentalMonitoringPrograms
【原文标准名称】:环境监测程序评估和修正用统计方法的应用标准指南
【标准号】:ASTMD7048-2004(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:
【英文主题词】:assessmentmonitoring;confidencelimit;correctiveaction;environmentalmonitoring;predictionlimit;quantificationlimit;statistics;Correctiveaction;Compliance;Environmentalmonitoring;Soil
【摘要】:Theprincipaluseofthisstandardisinassessment,complianceandcorrectiveactionenvironmentalmonitoringprograms(forexample,foranyfacilitythatcouldpotentiallycontaminategroundwater).Thesignificanceoftheguidanceisthatitpresentsastatisticalmethodthatallowscomparisonofground-waterdatatoregulatoryand/orhealthbasedlimits.Ofcourse,thereisconsiderableUSEPAsupportforstatisticalmethodsappliedtodetection,assessmentandcorrectiveactionmonitoringprogramsthatcanbeappliedtoenvironmentalinvestigations.Forexample,the90%upperconfidencelimit(UCL)ofthemeanisusedinSW846(Chapter9)fordeterminingifawasteishazardous.IftheUCLislessthanthecriterionforaparticularhazardouswastecode,thenthewasteisnotahazardouswasteevenifcertainindividualmeasurementsexceedthecriterion.Similarly,intheUSEPAStatisticalAnalysisofGroundwaterMonitoringDataatRCRAFacilitiesAddendumtotheInterimFinalGuidance(1992)(2),confidenceintervalsforthemeanandvariousupperpercentilesofthedistributionareadvocatedforassessmentandcorrectiveaction.Interestingly,boththe1989and1992USEPAguidancedocuments(2,3)suggestuseofthelower95%confidencelimit(LCL)asatoolfordeterminingwhetheracriterionhasbeenexceededinassessmentmonitoring.ThelatestUSEPAguidanceinthisarea(thatis,thedraftUSEPAUnifiedStatisticalGuidance)callsforuseoftheLCLinassessmentmonitoringandtheUCLincorrectiveaction.Inthisway,correctiveactionisonlytriggeredifthereisahighdegreeofconfidencethatthetrueconcentrationhasexceededthecriterionorstandard,whereascorrectiveactioncontinuesuntilthereisahighdegreeofconfidencethatthetrueconcentrationisbelowthecriterionorstandard.Thisisthegeneralapproachadoptedinthisguide,aswell.Thereareseveralreasonswhystatisticalmethodsareessentialinassessmentandcorrectiveactionmonitoringprograms.First,asinglemeasurementindicatesverylittleaboutthetrueconcentrationinthesamplinglocationofinterest,andwithonlyonesamplethereisnowayofknowingifthemeasuredconcentrationisatypicaloranextremevalue.Theobjectiveistocomparethetrueconcentration(orsomeintervalthatcontainsit)totherelevantcriterionorstandard.Second,inmanycasestheconstituentsofinterestarenaturallyoccurring(forexample,metals)andthenaturallyexistingconcentrationsmayexceedtherelevantcriteria.Inthiscase,therelevantcomparisonistobackground(forexample,off-sitesoilorupgradientgroundwater)andnottoafixedcriterion.Assuch,backgrounddatamustbestatisticallycharacterizedtoobtainastatisticalestimateofanupperboundforthenaturallyoccurringconcentrationssothatitcanbeconfidentlydeterminedifonsiteconcentrationsareabovebackgroundlevels.Third,thereisoftenaneedtocomparenumerouspotentialconstituentsofconcerntocriteriaorbackground,atnumeroussamplinglocations.Bychancealonetherewillbeexceedancesasthenumberofcomparisonsbecomeslarge.Thestatisticalapproachtothisproblemcaninsurethatfalsepositiveresultsareminimized.Statisticalmethodsfordetectionmonitoringhavebeenwellstudiedinrecentyears(seeGibbons,1994a,1996,USEPA1992(2,4,5)andPracticeD6312,formerlyPS64-96authoredbyGibbons,BrownandCameron,1996).Althoughequallyimportant,statisticalmethodsforassessmentmonitoring,PhaseIandIIinvestigations,on-goingmonitoringandcorrectiveactionmonitoringhavereceivedlessattention,(GibbonsandColeman,2001)(6).TheguideissummarizedinFig.1,whichprovidesaf......
【中国标准分类号】:Z04
【国际标准分类号】:13_020_10
【页数】:17P.;A4
【正文语种】:英语