Medically reviewed by Daniel More, MD A peak flow meter is used to measure your peak expiratory flow rate (PEFR). PEFR describes how quickly your lungs expel air during a forceful exhalation after ...

MIT scientists measure river flow rates on Mars and Titan, Saturn’s largest moon By Talia Lissauer Globe Correspondent,Updated August 8, 2023, 2:26 p.m.

Image Credit: Dynisco Defining the Melt Flow Index The melt flow index is often represented using abbreviations such as MFI or the melt flow rate (MFR). It is quantified in units of grams per 10 ...