Autor: Gary M. Avalos

Advances in the science of concrete materials have led to the development of a new class of cementitious composites, namely ultra-high performance concrete (UHPC). The mechanical and durability prope …

Three aliphatic molecules and their subsequently formed protonated congeners are considered as representatives of the macrocyclic polyamines (azacrowns) and related polyammonium salts. Important meth …