煙氣煤粉libs實驗研究與軟件標定模擬

1、華中科技大學碩士學位論文煙氣煤粉LIBS實驗研究與軟件標定模擬姓名：盧靜申請學位級別：碩士專業(yè)：物理電子學指導教師：王忠柯葉和清2003.5.9華中科技大學碩士學位論文ABSTRACTTheheavymetalsandtheircompoundsincoalcombustionfuelgashavegreatlyenvironmentalpollution，andwithbiologicamplification，theyaremorc

2、jeopardoustoourhealthIt’Simportanttocreateaadaptiveexaminingmethodforrestrmntheirharmandthenestablishtheemissioncontrolstandard，accordinglyWhereas，becauseofthehighexcitatedvoltage，difficultyinionizationandlowconcentratio

3、n，it’ShardforordiIlaryanalysismeasureAhightemperatureandelectrondensityplasmabylaserinducedbreakdownspectroscopy(LIBS)canresolvethestraits，andbecomethebestchoiseaccordingtoitsminimal(no)samplepreparation，possibilityofsim

4、ultaneousmultielementalanalysis，simpleandrapidanalysis，etcThereisaseriousimbalancebetweennativeandoverseasinLIBSresearchIthasbeeninvestigatedforalmostaquartercenturyandappliedinmoreandmorefieldabroad，buthasn’tstartedonye

5、tinOurcountryThedetailedsummarizationofthebackgroundandresearchinLIBSduringthepast15yearsandthesimpleexpatiationonLIBSfmdamentalwereprovidedinthisdissertation，respectivelyAwholesystemofLIBSresearchhavebeenconstructedande

6、valuatedindependentlyTheexperimentusedaNd：YAGlaser(1064nm，20mJ，15ns)toproduceaplasmaofcoalcombustionfuelgas／coalpowderinairthespectrumiscollectedandrecordedbyaOMA1VLaserinducedplasmahasbeenalreadyobtained，thesystemhasbee

7、noptimizedinframe，inaword，thebasicfordeepworkhasbeenestablishedAnewprocedure，basedontheLIBStechnique，isproposedforcalibrationfreequantitativeelementalanalysisofmaterialsThemethodsherepresented，allowsthematrixeffectstobeo