"H. Sekiguchi,S. Kodama,T. Nagasawa,M. Maeda","Enhancement of bio-diesel production applying external energetic fields with heterogeneous catalyst","Proc. 20th Regional Symposium on Chemical Engineering",,,,,,2013,Nov. "Toshimi Nagasawa,Satoshi Kodama,Hidetoshi Sekiguchi","Enhancement of bio-diesel production using electrical discharge in liquid with heterogeneous catalyst","The 21st International symposium on Plasma Chemistry",,,,,,2013,Aug.