Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) Amplitude and phase of the roof-tile-shaped mode resonant frequency; (b) Comparison of viscosity values obtained with a commercial viscometer (mass density has to be known for such measurements) and the piezoelectric MEMS using optical and piezoelectric detections (no information on the fluid properties is necessary).
