简介：Numericalsimulationsbasedonthefinite-difference-time-domain(FDTD)approximationtomulti-fluidequationsforpositiveions,negativeionsandelectronsareusedtostudyhighfrequencyelectromagneticwavepropagationandabsorptioninanunmagnetizedplasmalayer.Theinteractionbetweentheincidenthighfrequencywaveandtheplasmalayershowsthattheexistenceofnegativeionsandthenonlineareffectreducesthepowerabsorptioncapabilityoftheplasma.Parameterdependencesoftheeffectsarecalculatedanddiscussed.

简介：Anovelatmosphericplasmadevicedevelopedinthispaper,whichismoreeffectiveandconvenienttostudytheplasma-initiatedpolymerization(PIP)thanconventionalsetup.Thestructureandmechanismofthedeviceisintroduced.Someplasma-initiatedpolymerizationexperimentsarecarriedoutonthedevice,andtheconversionofAA(Acrylicacid)andAM(Acrylamide)atmospheric(N2)plasmapolymerizationarerespectively89%and94%after120hpostpolymerization,wherebyIRspectraoftheproduct(AA,AM).OurPIPresultareconfirmed.