abstract |
THICKNESS SHEET MODE RESONATORS MAY BE USED, THAT SIMULTANEOUSLY MASS THE DEPOSITION OF MASS AND FLUID PROPERTIES, TO MONITOR THE PROCESSING OF PETROCHEMICAL OIL AND PRODUCTS AND WATER TREATMENT SYSTEMS. SPECIAL CHEMICAL SUBSTANCES CAN BE ADDED, PRECISE AND INSTANTLY, IN CONTROL CONDITIONS DETECTED THROUGH THICKNESS SHEET MODE RESONATORS. THESE RESONATORS ARE PIEZOELECTRIC CRYSTALS USED IN CONJUNCTION WITH OSCILLATOR CIRCUITERIA, THAT MAY DETERMINE THE MASS, AS WELL AS THE VISCOSITY AND / OR DENSITY OF A FLUID IN CONTACT WITH THE PIEZOELECTRIC SURFACE. |