简介:Organicgermaniumcompoundshavebeenextensivelyappliedinmedicineastonics,Inthispaper,thelocalstructuresoftwoorganicgermaniumcompounds,carboxyethylgermaniumsesquioxideandpolymericgermaniumglutamate,weredeterminedbyEXAFS.Thestructureparametersincludingcoordinationnumbersandbondlengthswerereported,andpossiblestructurepatternswerediscussed.
简介:Thenanoparticlesγ-Fe2O3coatedwithsurfactants.DBS,STandCTAB.repsectively.weresynthesizedbymicroemulsionmethod.Thecoatedferricoxides.whichshowenhancednonlinearopticalpropertiescomparedwiththeirbulkcounterpart.wereprobedbyEXAFSinsolutionforms.Thex=-rayabsorptionspectraforFeKedgeweremeasuredatroomtemperaturebyhelpofsynchrotronradiationlightsource.Extendedx-rayabsorptionfinestructureanalysisshowsthatthecoatinglayersoforganicmoleculesinteractwithsurfaceatomsofnanopartices,theFe-Obondlengthwasextended.
简介:Removalofsinglecomponentandbinarymixturesofbenzeneandm-xyleneusingamulti-pin-meshreactorwasstudiedtofindthedecompositioncharacteristics,carbonbalanceandCO_2selectivity.Thedecompositionrateofbenzeneinmixturewasapproximately16%lowerthanthatofsinglecomponentbenzene.However,thedecompositionrateofm-xyleneinmixturewasslightlyhigherthanthatofsinglecomponentm-xylene.Carbonbalanceofthemixturedecompositionprocessachievedalowerlevelthanthatofsinglecomponentbenzene/m-xylene.IncreaseinthespecificinputenergywashelpfultoimproveCO_2selectivityinthesinglecomponentdecompositionprocess,whilethespecificinputenergyhadanegligibleeffectonCO_2selectivityinthemixturedecompositionprocess.Bychangingtheoxygencontentinbackgroundgas,wefoundthatdifferenttypesofradicalsshoweddifferentreactionactivitiestowardbenzeneandm-xylene.Benzenewasmorelikelytoreactwithnitrogen-containingradicals,whilem-xylenewasmorelikelytoreactwithoxygen-containingradicals.