Important everyday products—from plastics to detergents—are made through chemical reactions that mostly use precious metals such as platinum as catalysts. Scientists have been searching for more ...

Introduction High-risk pregnant women with physical or obstetric complications may develop depression and anxiety disorders that may worsen depending on the consequences of treatment and management ...

Abstract: Transformerless power converters are increasingly getting attention in the ac–dc power conversion due to their advantages in improving the efficiency and the power density. However, the ...

Abstract: A new approach to controlling quadcopter unmanned aerial vehicles (UAVs) incorporating fractional calculus and a new prescribed performance function (PPF) in the design of a nonsingular ...