The polycarbonate polyols(PCD) obtained by ring-opening polymerization of a general cyclic monomer is mostly a linear flexible structure, which is used as a raw material to synthesize polyurethanes, and it is difficult to simultaneously ensure good thermal-mechanical properties and weather resistance due to insufficient rigidity of the main opi mau
Objective: to investigate the characteristics of pollen sensitization in children with established diagnoses of bronchial asthma (BA) and atopic dermatitis (AD) living in the Rostov region.Materials and methods: patients suffering from BA (n = 53), they made up the first shohoof group and patients with AD (n = 65), the second group were examined.Al
PurposeThis study investigates the relationships between positive emotions, life satisfaction, and academic engagement (absorption, vigor, and dedication) among undergraduates.Drawing on the broaden-and-build theory, the research aims to clarify how positive emotions influence academic engagement, both directly and indirectly, through enhanced life
Abstract Background From January to May, 2009, a population of 300,000 in the Vanni, northern Sri Lanka underwent multiple displacements, deaths, injuries, deprivation of water, food, medical care and other basic needs caught opi mauvnetic poles between the shelling and bombings of the state forces and the LTTE which forcefully recruited men, women