- momentum coefficient
- 动量系数
English-Chinese dictionary of mechanical engineering (英汉机械工程大词典). 2013.
English-Chinese dictionary of mechanical engineering (英汉机械工程大词典). 2013.
Momentum — This article is about momentum in physics. For other uses, see Momentum (disambiguation). Classical mechanics Newton s Second Law … Wikipedia
Coefficient of restitution — A bouncing basketball captured with a stroboscopic flash at 25 images per second. Ignoring air resistance, the square root of the ratio of the height of one bounce to that of the preceding bounce gives the coefficient of restitution for the… … Wikipedia
Racah W-coefficient — Racah s W coefficients were introduced by Giulio Racah in 1942. [G. Racah, Theory of Complex Spectra II , Physical Review, vol. 62, pp. 438 462 (1942).] These coefficients have a purely mathematical definition. In physics theyare used in… … Wikipedia
austausch coefficient — ▪ physics also called exchange coefficient, eddy coefficient , or eddy diffusivity in fluid mechanics, particularly in its applications to meteorology and oceanography, the proportionality between the rate of transport of a component of … Universalium
Measuring instrument — Captain Nemo and Professor Aronnax contemplating measuring instruments in Twenty Thousand Leagues Under the Sea … Wikipedia
gas — gasless, adj. /gas/, n., pl. gases, v., gassed, gassing. n. 1. Physics. a substance possessing perfect molecular mobility and the property of indefinite expansion, as opposed to a solid or liquid. 2. any such fluid or mixture of fluids. 3. any… … Universalium
Clebsch–Gordan coefficients — In physics, the Clebsch–Gordan coefficients are sets of numbers that arise in angular momentum coupling under the laws of quantum mechanics. In more mathematical terms, the CG coefficients are used in representation theory, particularly of… … Wikipedia
spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… … Universalium
Force — For other uses, see Force (disambiguation). See also: Forcing (disambiguation) Forces are also described as a push or pull on an object. They can be due to phenomena such as gravity, magnetism, or anything that might cause a mass to accelerate … Wikipedia
9-j symbol — Wigner s 9 j symbols were introduced by Eugene Paul Wigner in 1937. They are related to recoupling coefficientsinvolving four angular momenta: [(2j 3+1)(2j 6+1)(2j 7+1)(2j 8+1)] ^frac{1}{2} egin{Bmatrix} j 1 j 2 j 3 j 4 j 5 j 6 j 7 j 8 j 9… … Wikipedia
Wave function — Not to be confused with the related concept of the Wave equation Some trajectories of a harmonic oscillator (a ball attached to a spring) in classical mechanics (A B) and quantum mechanics (C H). In quantum mechanics (C H), the ball has a wave… … Wikipedia