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Updated: Jun 18, 2026

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使用机器学习方法对6小时超级马拉松比赛进行分析

Mabliny Thuany1, Katja Weiss2, David Valero3

  • 1Department of Physical Education, State University of Para, Pará, Brazil.

Frontiers in sports and active living
|October 8, 2025
PubMed
概括

性别是6小时超级马拉松表现的关键因素,欧洲运动员在参与和速度上都占据主导地位. 这项研究分析了超过10万个比赛记录,以确定顶级跑步者和比赛地点.

关键词:
国家国家国家国家国家.事件地点 事件地点 事件地点极端耐力 极端耐力原产地 原产地 原产地超级耐力超级耐力飞机超长时间运行超长时间运行.

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Spin systems where the difference in chemical shifts of the coupled nuclei is greater than ten times J are called first-order spin systems. These nuclei are weakly coupled, and their chemical shifts and coupling constant can generally be estimated from the well-separated signals in the spectrum.
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Homonuclear correlation spectroscopy (COSY) is a powerful technique used in Nuclear Magnetic Resonance (NMR) spectroscopy to study the correlations between nuclei of the same type within a molecule. It provides information about scalar couplings between adjacent nuclei, which helps determine connectivity and structural information. There are several COSY variants, each with its unique strengths and experimental parameters.
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Heteronuclear correlation spectroscopy is an analytical technique that investigates the coupling between different types of nuclei, often a proton and an X-nucleus, such as carbon-13 or nitrogen-15. This method is commonly used in nuclear magnetic resonance (NMR) spectroscopy to gain insights into complex chemical compounds' structural and compositional aspects. A typical heteronuclear correlation spectrum displays X-nucleus chemical shifts on one axis and a proton spectrum on the other axis.