The visible vibronic emission spectrum was recorded from the corona discharge of precursor 1,2,3,4tetramethylbenzene with a large amount of inert carrier gas helium using a pinhole-type glass nozzle coupled with corona excited supersonic expansion. The spectrum showed a series of vibronic bands in the D1 → D0 electronic transition of jet-cooled benzyl-type radicals formed from the precursor in ...

High-resolution electronic excitation spectra of the 0: and the 9; bands of the near-UV electronic transition of the ethoxy radical have been recorded. The ethoxy radical was produced in a free-jet expansion by photodissociation of ethyl nitrite (CzHsONO). Both spectra have a linewidth of about 400 MHz. A complete rotational analysis of the spectrum indicates that the electronic transition of e...

in this paper, construction of triplet atmospheric plasma jet using argon, air, oxygen and nitrogen gases is reported. bactericidal effect of the plasma jet is also investigated. to that end, longitudinal geometric configuration for the electrodes was chosen because it would increase the jet length. electrical characteristics, jet length dependencies on the applied voltage and gas flow rate wer...

In order to improve the cavitation performance of self-excited oscillation nozzle (SEON), a novel SEON with circular arc curve chamber was designed by changing wall profile SEON. The studied numerically. Taking vapor volume distribution and fraction as evaluation indexes, influences on were analyzed. addition, it compared broken-line numerical results show that is first enhanced then weakened i...

introduction iran is a frontier of pomegranate fruit production in the world (with almost 40 % of the world`s production). however due to traditional processing operations is not ranked as the largest pomegranate exporter. saveh, neyriz and ferdows are the top pomegranate producing cities in iran. pomegranate is consumed as a fresh fruit as well as processed product as food additive, paste, syr...