Results show that the main causes of low induction period of cracked naphtha are the high diene number and low phenol content.

结果表明，二烯值大、酚含量低是加氢渣油催化裂化汽油诱导期短的主要原因。

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In a certain number and interval of induction, the ability of plants to resist disease will increase, along with the increase of concentration.

在一定的诱导间隔期和诱导次数下，随着诱导浓度的增加，防病效果有增强趋势。

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According to that algorithm, this article puts forward a formula to calculate the number of movements necessary for the 4-peg Hanoi Tower problem, and proves it using mathematical induction.

本文按照这种算法总结出完成四柱汉诺塔游戏之最少步数的公式，并用数学归纳法证明了它。

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