TY JOUR TI PRODUCTION OF GLASS MICROSPHERES FROM SYNTHETIC COMPOUNDS KW glass KW microspheres KW structure KW silicate modulus KW connectivity factor KW coefficient of permeation JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Medvedev, E.. AU Min'ko, N.. PY 2016 IS 1 PB Belgorod State Technological University named after V.G. Shukhov