It accurately measures various volumes of air that can forcibly expel from the lungs during exhalation, as well as the speed with which exhaled. SHL Telemedicine provides this device as part of ...
The flow meter DATOSPIR PEAK-10 measures the intensity of flow of air passing through the airways when exhalation is performed as rapidly and intensively as possible.
Scientists in China have used ground heat exchangers based on volcanic tuff stones to improve storage capabilities and efficiency of photovoltaic-thermal systems. Their experiments showed that the ...