在热应激下炼的人群中不断监测热量生产和热量流
Nicolas Brodeur1, Sean R Notley2, Glen P Kenny2
1Department of Physics, Faculty of Science, University of Ottawa, Ottawa, ON K1N 6N5, Canada.
Entropy (Basel, Switzerland)
|September 28, 2023
概括
这项研究引入了一种新的方法,可以使用热量计持续测量人类的产生和流动. 这种方法通过应用非平衡热力学,为人类生理和健康提供了新的见解.
科学领域:
- 热力学是一种热力学.
- 人体生理学 人体生理学
- 生物物理学的生物物理.
背景情况:
- 复杂的生物系统表现出自我组织和消散行为,不断产生和出口.
- 测量人类的产量和流量随着时间的推移并不是很成熟的.
- 非平衡热力学为理解这些过程提供了一个框架.
研究的目的:
- 引入一种实验方法来持续测量人类的产生和流动.
- 应用直接和间接热量计来量化人类的动态.
- 通过热力学原理提高对人类健康和疾病的理解.
主要方法:
- 使用直接热量计 (斯内伦热量计) 来通过散热测量外部流.
- 采用间接热量计来监测通过气体交换 (氧气消耗,二氧化碳产生) 的内部产量.
- 应用了两部分流模型来计算11名中年男性在运动和热应激下休息期间的率.
主要成果:
- 在热应力下,成功测量了静止内部产量率 (0.18 ± 0.01) W/(K·m2),与之前的研究保持一致.
- 证明了一种可行的实时监测人类产量和流量的实时方法.
- 建立了代谢热量产生,运动和动态之间的联系.
结论:
- 这项研究提出了一种实时监测人类动态的开创性方法.
- 这些发现有助于从热力学角度更深入地了解人类生理调节.
- 这种方法有可能促进人类健康和疾病状态的研究.
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