What is peak flow measurement? Peak flow measurement is a quick test to measure air flow out of the lungs. The measurement is also called the peak expiratory flow rate (PEFR) or the peak expiratory ...

Attribution (BY): Credit must be given to the creator. Raman spectroscopy has been proven to be a fast, convenient, and nondestructive technique for advancing our understanding of biological systems.

The Geminid meteor shower peak is a week away, but this year it might be a good idea to keep an eye out early, according to NASA. Dedicated skywatchers might want to check the sky not only in the ...

School of Technology, Pontifical Catholic University of Rio Grande do Sul, 6681 Ipiranga Avenue, Building 30, Room 111/F, 90619-900 Porto Alegre-RS, Brazil ...