00621naa#a2200193#i#450# EN\\bibl\13794 20240521231250.2 2071-7318 20161126b2016####ek#y0engy0150####ca RUS RU EFFECT OF NANO-SIZED CARBON-BLACK PARTICLES ON THE STRENGTH OF CEMENT PASTE AT EARLY AGE Journal article Belgorod Belgorod State Technological University named after V.G. Shukhov 2016 4 с. Journal article local Tang Van Bulgakov Boris Aleksandrova Olga bulletinbstu.editorum.ru