%0 Journal Article %T DEPENDENCE OF THE MEAN AND DISPERSION OF GRAIN WIDTH OF SILICON CARBIDE BLACK GRINDING POWDERS ON THE MESH SIZE OF A PASS SIEVE %A Petrukhina, N.. %K regional innovation system, scientific and technological development, “triple helix” concept, innovation system, business, power, higher education institution. %J Bulletin of Bryansk state technical university %D 2016 %N 2016 %P 9 %I Bryansk State Technical University