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物理化学学报 2010
光控化学振荡器的设计Keywords: autocatalyticreaction,chemicaloscillation,nonlinearfeedback,photochemistry Abstract: thisarticlereviewedrecentprogressesinthedesignofanewclassofchemicaloscillatorsanddevelopedagenericmodelthatcouldqualitativelyreproducethosephotochemicaloscillationsseeninexperiments.thetwooscillatorsdiscussedinthisreportarebasedonthephotolysisof1,4-benzoquinoneanditsderivatives,inwhichexternalilluminationisvitalininitiatingandsustainingthereactionprocesses.nonlinearbehaviorinthesetwophoto-controlledchemicaloscillatorsareanalyzedasafunctionoflightintensityandtheinitialconcentrationofreagentsincluding1,4-benzoquinone,1,4-hydroquinone,2-methyl-1,4-benzoquinone,bromate,andsulfuricacid.agenericmodelproposedinitiallyfortheuncatalyzedbromate-aromaticcompoundreactionswasmodifiedheretoaccountforthephotolysisof1,4-benzoquinoneor2-methyl-1,4-benzoquinone.themodifiedmodelqualitativelyreproducedchemicaloscillationsandtheirdependenceonlightintensity.
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