| 单词 |
spin quantum number |
| 释义 |
spin quantum number
spin quantum numbern.1. A nonnegative integer that specifies the magnitude of the spin angular momentum vector of a subatomic particle.2. An integer that specifies the direction of the spin angular momentum vector of a subatomic particle. Also called spin projection quantum number.3. See fourth quantum number.spin quantum number
spin quantum number[′spin ′kwän·təm ‚nəm·bər] (quantum mechanics) The ratio of the maximum observable component of a system's spin to Planck's constant divided by 2π; it is an integer or a half-integer. |
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