- radius ratio
- 半径比
English-Chinese geology dictionary (英汉地质大词典). 2013.
radius ratio
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Cation-anion radius ratio — Critical Radius Ratio In condensed matter physics the cation anion radius ratio is the ratio of the ionic radius of the cation to the ionic radius of the anion in a cation anion compound. This is simply given by rC / rA The allowed size of the… … Wikipedia
Radius of convergence — In mathematics, the radius of convergence of a power series is a quantity, either a non negative real number or ∞, that represents a domain (within the radius) in which the series will converge. Within the radius of convergence, a power series… … Wikipedia
Ratio test — In mathematics, the ratio test is a test (or criterion ) for the convergence of a series , where each term is a real or complex number and an is nonzero when n is large. The test was first published by Jean le Rond d Alembert and is sometimes… … Wikipedia
ratio — Geometric Ge o*met ric, Geometrical Ge o*met ric*al, a. [L. geometricus; Gr. ?: cf. F. g[ e]om[ e]trique.] 1. Pertaining to, or according to the rules or principles of, geometry; determined by geometry; as, a geometrical solution of a problem.… … The Collaborative International Dictionary of English
ratio est radius divini luminis — /reysh(iy)ow est reyd(i)yas davaynay l(y)uwmanas/ Reason is a ray of the divine light … Black's law dictionary
Ratio est radius divini luminis — Reason is a ray of divine light … Ballentine's law dictionary
Gear ratio — The gear ratio is the relationship between the number of teeth on two gears that are meshed or two sprockets connected with a common roller chain, or the circumferences of two pulleys connected with a drive belt. General description In the… … Wikipedia
Golden ratio — For the Ace of Base album, see The Golden Ratio (album). Not to be confused with Golden number. The golden section is a line segment divided according to the golden ratio: The total length a + b is to the length of the longer segment a as the… … Wikipedia
Mass-to-charge ratio — Charge to Mass ratio SI quantity dimension: M/(I⋅T) SI unit: kg/C other units: Th The mass to charge ratio ratio (m/Q) is a physical quantity that is widely used in the electrodynamics of c … Wikipedia
Gyromagnetic ratio — In physics, the gyromagnetic ratio (also sometimes known as the magnetogyric ratio in other disciplines) of a particle or system is the ratio of its magnetic dipole moment to its angular momentum, and it is often denoted by the symbol γ, gamma.… … Wikipedia
Isotope-ratio mass spectrometry — Isotope ratio mass spectrometer with gas bench in foreground Acronym IRMS Classification mass spectrometry Other techniques … Wikipedia
