1 Colitis is inflammation of the inner lining of the colon. 2  It may cause abdominal pain and diarrhea with or without blood. 3  Fever may be present. 4  There are numerous causes of colitis including infection, inflammatory bowel disease, ischemic, and microscopic colitis.olitis facts. 1  Colitis is inflammation of the inner lining of the colon. 2  It may cause abdominal pain and diarrhea with or without blood. 3  Fever may be present.
Definition of resonant frequency. : a frequency capable of exciting a resonance maximum in a given body or system.
In physics, resonance is the tendency of a system to oscillate at maximum amplitude at certain frequencies, known as. the system's resonance frequencies (or resonant frequencies). At these frequencies, even small periodic driving forces. can produce large amplitude vibrations, because the system stores vibrational energy. When damping is small, the.