V2EX aliquot

Aliquot

释义 Definition

aliquot(形容词/名词)常见于数学与实验科学语境:

  1. (数学)整除的;等分的:指一个数能被另一个数整除(无余数),或指把整体分成等份后的“份额”。(如 aliquot part “整除部分/约数部分”)
  2. (化学/实验)等量分取的样品:从混合物或溶液中取出的等体积/等量的一份(如用于检测的“等分样品”)。
    (该词也有较少见用法,含“若干等份中的一份/定量份”。)

发音 Pronunciation

/lkwt/(美式常见)
/lkwt/(英式常见)

例句 Examples

We took an aliquot of the solution for testing.
我们取了这份溶液的一个等量样品用于检测。

In number theory, an aliquot sequence is formed by repeatedly replacing a number with the sum of its proper divisors.
在数论中,所谓“aliquot 序列(等分/约数序列)”是把一个数不断替换为其真约数之和而得到的序列。

词源 Etymology

来自拉丁语 aliquot,意为“若干个(中的)若干份”,由 **ali-**(“其他的/某些”)与 quot(“多少”)相关成分构成。后来在数学中引申为“能整除的份/约数部分”,在实验科学中进一步固定为“从整体中按相同量取出的等分样品”。

相关词 Related Words

文学与经典著作 Literary Works

  • G. H. Hardy & E. M. Wright, An Introduction to the Theory of Numbers(涉及 aliquot partsaliquot sequences 等数论术语)
  • Leonard E. Dickson, History of the Theory of Numbers(数论史著作中讨论相关概念时会使用 aliquot
  • Donald E. Knuth, The Art of Computer Programming(在讨论数论/算法相关内容时可能出现 aliquot 相关术语)
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