**Author details**

Valeriu V. Jinescu1\*, Vali-Ifigenia Nicolof2 , George Jinescu3 and Simona-Eugenia Manea4

\*Address all correspondence to: vvjinescu@yahoo.com

1 Industrial Process Equipment Department, Politehnica University of Bucharest, Bucharest, Romania

2 Technical College "Carol I", Bucharest, Romania

3 Bucharest Emergency Hospital, Calea Floreasca, Bucharest, Romania

4 Horia Hulubei National Institute of Physics and Nuclear Engineering, Măgurele, Romania
