Characterization of net-zero pozzolanic potential of thermally-derived metakaolin samples for sustainable carbon neutrality construction.

Metakaolin (MK) is one of the most sustainable cementitious construction materials, which is derived through a direct heating procedure known as calcination. Calcination process takes place substantially lower temperatures than that required for Portland cement, making it a more environmentally sustainable alternative to traditional cement. This procedure causes the removal of hydroxyl water from the naturally occurring kaolin clay (AlSiO(OH) with MK (AlO·2SiO) as its product.

Durability Assessment and Microstructure of High-Strength Performance Bricks Produced from PET Waste and Foundry Sand.

Fired clay brickwork in buildings is prone to cracks and deterioration upon exposure to long-time acidic contamination and water absorption, hence decreasing the bearing capacity of masonry walls. As its contribution toward resolving this challenge, this study assessed the durability and morphological characteristics of high-strength performance bricks produced from a mixture of PET waste (PW) and foundry sand (FS). The PET waste bricks (PWBs) were produced through different proportioning (PW: FS) of 20%, 30%, and 40% of the dry mass of FS.

Clinical features of acute gastroenteritis in children at university of Nigeria teaching hospital, ituku-ozalla, enugu.

Background: Acute gastroenteritis (AGE) is a major cause of morbidity and mortality in children world-wide with the highest incidence in the developing countries. The persistence and effect of this condition require a study of the features and characteristics of the disease especially, within any (each) locality in order to offer possible control solutions.

Aim: To determine, the clinical and social characteristics associated with AGE among children seen in the University of Nigeria Teaching Hospital, Enugu.