Potassium nitrate (KNO 3), known historically as saltpeter or the mineral niter, is a common salt with multiple uses. It has been known since antiquity; an early appearance in the chemical literature ...

The administration of potassium nitrate (KNO3) does not improve exercise capacity or quality of life in patients with heart failure with preserved ejection fraction (HFpEF), despite increasing levels ...

Exercising regularly, managing stress, and eating more foods high in fiber and probiotics may help lower blood sugar levels. However, these lifestyle adjustments do not replace medical treatment for ...

Abstract: While III-V photovoltaics are among the most efficient, they suffer from a high manufacturing cost. One of the methods of reducing this cost is through GaAs substrate reuse, with a promising ...

Martin Pitt looks at how acquiring gunpowder know-how shaped the world as we know it IN 1561, Queen Elizabeth I paid £300 (equal to about £100,000 today) to German engineer Gerard Honrick, for an ...

MOE Key Laboratory of Enhanced Heat Transfer and Energy Conservation, Beijing Key Laboratory of Heat Transfer and Energy Conversion, Faculty of Environment and Life, Beijing University of Technology, ...