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111Ōtsuzumi — The Ōtsuzumi (大鼓, Ōtsuzumi?), also known as the ōkawa, is an hourglass shaped Japanese drum. It is a larger version of the tsuzumi, or kotsuzumi and is used in traditional Japanese theater and folk music. Its appearance and the sound it produces… …
112Sverdlovsk blue-gray mottle-headed pigeon — The Sverdlovsk blue gray mottle headed pigeons Contents 1 Origin 2 …
113Photosynthetic reaction centre — A photosynthetic reaction center is a complex of three types of protein that is the site where molecular excitations originating from sunlight are transformed into a series of electron transfer reactions. The reaction center proteins bind… …
114Iron-56 — Stable Isotope| isotope name = Iron 56 isotope filename = alternate names = Iron 56 mass number = 56 symbol = Fe num neutrons = 30 num protons = 26 abundance = 91.754% mass = 55.9349375(7) spin = 0+ excess energy = 60601.003 error1 = 1.354… …
115Environmental radioactivity — is produced by radioactive materials in the human environment. While some radioisotopes, such as strontium 90 (90Sr) and technetium 99 (99Tc), are only found on Earth as a result of human activity, and some, like potassium 40 (40K), are only… …
116List of Elfen Lied characters — The Elfen Lied cast in the manga. The characters in the Elfen Lied manga and anime series were created by Lynn Okamoto, with character design assistance from Seiji Kishimoto for the anime adaptation. The plot and characters are described, below,… …
117Jacobson's Progressive Muscle Relaxation — Progressive muscle relaxation (or PMR) is a technique of stress management developed by American physician Edmund Jacobson in the early 1920s. Jacobson argued that since muscular tension accompanies anxiety, one can reduce anxiety by learning how …
118Strings (tennis) — In tennis, the strings are the part of a tennis racquet which make contact with the ball. The strings form a woven network inside the head (or hoop ) of the racquet. Composition The material used in tennis string can significantly change the… …
119Linear programming relaxation — In mathematics, the linear programming relaxation of a 0 1 integer program is the problem that arises by replacing the constraint that each variable must be 0 or 1 by a weaker constraint, that each variable belong to the interval [0,1] .That is,… …
120DNA clamp — Top and side views of a homotrimer of the human PCNA sliding clamp (rainbow colored, N terminus = blue, C term …
