“死灰复燃”原意比喻失势者重新得势的意思.语见《史记·韩长儒列传》:“蒙狱吏田甲辱安国,安国曰:‘死灰独不复燃乎?’”从科学上分析,死灰复燃有一定的道理.通常,物质燃烧要满足三个条件:必须是可燃性物质;温度要达到着火点;还要有足够的氧化助燃,这三个条件缺一不可.燃烧的微观过程是这样的:加热可燃物质、使物质中的分子和原子运动加剧,它们之间不断碰撞发热,随着温度升 “Resurgence,” the original metaphor of the meaning of the impoverished people to redeem .In the “Historical Records Han Changru Biography”: “Prison prisoner Tianjia insult Anguo, Annuo said:” Ashes never fray? ’"From a scientific analysis, there is some truth resurgence, Often, three conditions are met for material combustion: it must be a flammable substance, the temperature reaches the point of ignition, and there is sufficient oxidative combustion, which are essential for all three processes. The microscopic process of combustion is such that heating of the combustible material, So that substances in the movement of molecules and atoms exacerbated by the constant collision between them fever, with the temperature rise