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.
A harmonic frequency is a multiple of a fundamental frequency, also called harmonic. Especially when it comes to counting, do not say: overtones are harmonics. Musicians prefer the term overtones and physicists prefer the term harmonics. Sound engineers are somewhat uncertain between these two terms. harmonic frequency is a multiple of a fundamental frequency, also called harmonic. Especially when it comes to counting, do not say: overtones are harmonics. Musicians prefer the term overtones and physicists prefer the term harmonics. Sound engineers are somewhat uncertain between these two terms.