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岩石要素 [yán shí yào sù]
rock element
- 是否岩石行星是适合生物居住的基本要素？
Is a Rocky Planet Essential for Habitation? - 根据科学杂志星期五版的两篇论文,来自澳大利亚的深层岩石核的分析显示当产生生命的要素开始发展到今天的水平,至少一些氧气在大巨变之前存在了5千万年到一亿年.
An analysis of a deep rock core from Australia indicates the presence of at least some oxygen 50 million to 100 million years before the great change when the life-giving element began rising to today's levels, according to two papers appearing in Friday's edition of the journal Science. - 研究结果表明岩石类材料变形系统具有耗散结构的特性，岩石受力产生变形是非线性动力学过程，即系统内部各要素之间发生协调和相干效应，岩石承载力（强度）是外界做功功率和岩石自身耗散能率达到平衡的外在力学表现。
The ultimate carrying capacity, fracture process and stress-strain relationship on rock generic material are studied with dissipation structure theory in this paper, which shows the essence of mechanical characteristics on rock generic material can be studied deeply from the point of view of system and energy.
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