Background Patients with heart failure (HF) frequently suffer from undetected declines in cardiorespiratory fitness (CRF), which significantly increases their risk of poor outcomes. However, current ...

Abstract: Condensing boilers can achieve significantly higher efficiency than conventional ones due to possibility to recover latent heat of vaporization from the flue gas. But it can be achieved when ...

Abstract: The economics of hydrogen production via electrolysis closely correlates with the output characteristics of renewable energy sources and the operational features of electrolysis equipment.