optimum frequency การใช้

• If you google " dielectric properties granite ", you'll get all the info you need to determine the power level and optimum frequency needed.
• All winter, radio waves were sent into the snow, and by varying the frequencies every few hours an optimum frequency for penetration of the snowpack was arrived at.
• For patients treated for stage I seminoma who choose surveillance rather than undergoing adjuvant therapy, there have been no randomized trials to determine the optimum frequency of scans and visits, and the schedules vary very widely across the world, and within individual countries.