00645naa#a2200193#i#450# EN\\bibl\13682 20240515180108.3 2071-7318 20161126b2016####ek#y0engy0150####ca RUS RU ACID-BASE SURFACE OF THE QUARTZ SAND IN THE TECHNOLOGY OF ELECTRICALLY CONDUCTIVE MIXES Journal article Belgorod Belgorod State Technological University named after V.G. Shukhov 2016 4 с. Journal article local Fanina Evgeniya Aleksandrovna Lopanov Aleksandr Tomarovshchenko Oksana bulletinbstu.editorum.ru