模拟化学演化
Modelling the chemical evolution
摘要:
先进的观测设施可以追溯宇宙的化学演化,一方面,从不同年龄的局部物体,其次,通过直接观测红移物体。化学富集是宇宙演化的基石之一。为了了解这种化学演变在形态上不同的天体物理模型的基础上构建的分析描述或数值方法。为了比较它们的化学问题,因为有元素丰度,梯度和比率,不仅使用了现在的值,而且还使用了它们从第一个金属富集时代开始的时间演变。在这里,我们将提供一些深入了解化学演化模型的基础知识,突出进展,并讨论一些应用。
英文摘要:
Advanced observational facilities allow to trace back the chemical evolution of the Universe, on the one hand, from local objects of different ages and, secondly, by direct observations of redshifted objects. The chemical enrichment serves as one of the cornerstones of cosmological evolution. In order to understand this chemical evolution in morphologically different astrophysical objects models are constructed based on analytical descriptions or numerical methods. For the comparison of their chemical issues, as there are element abundances, gradients, and ratios, with observations not only the present-day values are used but also their temporal evolution from the first era of metal enrichment. Here we will provide some insight into basics of chemical evolution models, highlight advancements, and discuss a few applications.
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