frequency study การใช้

Brain-wave frequency studies suggest that the scent of lavender increases alpha waves at the back of the brain, associated with a more relaxed state, and jasmine increases beta waves in the front of the head, associated with a more alert state,
Temperature-frequency studies showed that the transition temperature is largely frequency-independent, suggesting that this transition results from a motion of a small number of atoms; it has been suggested that this is the result of the rotation of the phenyl group around the main chain.
The first wave was the study of clues, pioneered by Scotland Yard in the 19th century, the second wave was the study of crime itself ( frequency studies and the like ), and this third wave is the study of the psyche of the criminal.