Acoustical methods for automated determination of quality of four confectionery products are considered. Ultrasonic methods for determination of the quality by contact and non-contact way allow to obtain objective information about struc... A Petrauskas,G Juodeikiene,L Basinskiene,... - 《Ultragarsas...
Stomp down on the wet sand near the water and you will feel some thump going through the ground. Here again though, these are mechanical impacts of energy, they carry much more energy, by far, then typical every day sound energy in the air can impart into solid things. …Thats about ...
These results are promising for the future because almost all prognoses estimate that the percentage share of electric cars, hydrogen fuel cell cars, or cars based on similar technology will rapidly increase in the near future. It seems that, with this development, the sound pressure level of ...