цементийн үйлдвэрт ашигласан бутлагч. Цементийн Миллер Миллз Jim Miller outlaw Wikipedia James Brown Miller Octo Ap also known as Killin Jim Killer Miller and Deacon …
Abstract. Addition of nano-silica effected to increase the content of calcium hydrasilicate and to decrease the content of calcium oxide for resulting the hydrate cement. Additional mass percent ...