TY JOUR TI Property peculiarities of Cu nano-particles obtained by method of laser ablation in different liquids KW laser ablation KW copper KW nano-particles KW colloidal solutions KW spectra of absorption JO Science intensive technologies in mechanical engineering AU Bogdanov, A.V. AU Golubenko, Y.V. AU Taxants, M.V. PY 2019 IS 2019 PB Bryansk State Technical University