作者: JC Tewari

Today, agroforestry ranks high among the significant land-management initiatives that have undertaken the world over the past few decades. Indeed, it is now recognized as an important approach to …

Polyurethanes (PUs) are an important class of thermoplastic and thermoset polymers obtained by polycondensation reactions among different polyols, isocyanates and chain extenders, leading to a wide …