thermal arrest

简明释义

热稳定

英英释义

例句

1.In polymer processing, thermal arrest 热停滞 can affect the material properties significantly.

在聚合物加工中，热停滞可能会显著影响材料性能。

2.Engineers need to consider thermal arrest 热停滞 when designing heat exchangers.

工程师在设计热交换器时需要考虑热停滞。

3.During the experiment, we observed a significant thermal arrest 热停滞 in the reaction process.

在实验过程中，我们观察到反应过程中出现了显著的热停滞。

4.The scientist explained how thermal arrest 热停滞 can occur at certain temperatures during phase transitions.

科学家解释了在相变过程中如何在某些温度下发生热停滞。

5.The engine experienced thermal arrest 热停滞 due to overheating, causing it to shut down unexpectedly.

由于过热，发动机经历了热停滞，导致其意外关闭。

作文

In the world of science, particularly in the fields of biology and medicine, the term thermal arrest refers to a state in which biological processes are significantly slowed down or halted due to extreme temperature conditions. This phenomenon can occur in various contexts, such as during cryopreservation or in response to environmental stressors. Understanding thermal arrest is crucial for researchers and practitioners who work with living organisms, as it can have profound implications for cellular function and survival.When cells experience thermal arrest, their metabolic activities decrease dramatically. This state can be beneficial in certain situations, such as when preserving cells for future use. For example, in the field of reproductive medicine, oocytes and embryos are often frozen using techniques that induce thermal arrest. By lowering the temperature, the cellular processes slow down, allowing the cells to survive in a dormant state until they are thawed and reactivated. This capability has revolutionized assisted reproductive technologies and has provided hope for many couples struggling with infertility.However, thermal arrest is not always advantageous. In nature, organisms may face extreme temperatures that can lead to the unintended consequences of thermal arrest. For instance, certain fish species can enter a state of thermal arrest during periods of very low temperatures, which can protect them from freezing. Yet, if the temperature remains too low for an extended period, it can lead to cell damage and death. Thus, while thermal arrest can serve as a protective mechanism, it also poses risks if the environmental conditions do not improve.The study of thermal arrest extends beyond just individual cells; it also has implications for entire ecosystems. Climate change is causing shifts in temperature ranges, which can disrupt the natural cycles of many organisms. For instance, amphibians are particularly sensitive to temperature fluctuations. If the environment becomes too warm, they may fail to enter thermal arrest at necessary times, leading to population declines. Conversely, if temperatures drop unexpectedly, they might enter thermal arrest too early, which can interfere with their breeding cycles.Researchers are continually exploring how thermal arrest affects different species and ecosystems. By understanding the mechanisms behind this phenomenon, scientists hope to develop strategies to mitigate its negative impacts. For example, conservation efforts may focus on creating habitats that buffer against extreme temperature changes, allowing species to adapt more effectively without entering a harmful state of thermal arrest.In conclusion, thermal arrest is a complex and multifaceted phenomenon that plays a critical role in the survival of organisms under extreme temperature conditions. Whether it is used as a tool in medical technology or observed in the natural world, understanding thermal arrest is essential for advancing our knowledge in biology and ecology. As we face ongoing environmental changes, the implications of thermal arrest will continue to be a significant area of research, highlighting the delicate balance of life in our ever-changing world.

在科学界，特别是在生物学和医学领域，术语热停滞指的是由于极端温度条件而显著减缓或停止生物过程的状态。这种现象可以在多种情况下发生，例如在冷冻保存过程中或作为对环境压力的反应。理解热停滞对于从事活体生物研究和实践的研究人员和从业者至关重要，因为它可能对细胞功能和生存产生深远的影响。当细胞经历热停滞时，它们的代谢活动会大幅降低。在某些情况下，这种状态可能是有益的，例如在保存细胞以备将来使用时。例如，在生殖医学领域，卵母细胞和胚胎通常采用诱导热停滞的技术进行冷冻。通过降低温度，细胞过程减缓，使细胞能够在休眠状态下存活，直到被解冻并重新激活。这一能力彻底改变了辅助生殖技术，并为许多面临不孕不育问题的夫妇带来了希望。然而，热停滞并不总是有利的。在自然界中，生物可能面临极端温度，这可能导致热停滞的意外后果。例如，某些鱼类在极低温度期间可以进入热停滞状态，这可以保护它们免于冻结。然而，如果温度在较长时间内保持过低，可能会导致细胞损伤和死亡。因此，虽然热停滞可以作为一种保护机制，但如果环境条件没有改善，也会带来风险。对热停滞的研究不仅限于单个细胞；它还对整个生态系统产生影响。气候变化正在导致温度范围的变化，这可能会破坏许多生物的自然周期。例如，两栖动物对温度波动特别敏感。如果环境变得过热，它们可能无法在必要的时候进入热停滞，导致种群下降。相反，如果温度意外下降，它们可能会过早进入热停滞，这可能干扰它们的繁殖周期。研究人员不断探索热停滞如何影响不同物种和生态系统。通过理解这种现象背后的机制，科学家希望开发出缓解其负面影响的策略。例如，保护工作可能会集中在创造能够缓冲极端温度变化的栖息地上，使物种能够更有效地适应，而不进入有害的热停滞状态。总之，热停滞是一种复杂而多方面的现象，在极端温度条件下对生物的生存起着关键作用。无论是在医学技术中作为工具，还是在自然界中被观察到，理解热停滞对于推动我们在生物学和生态学领域的知识至关重要。随着我们面临持续的环境变化，热停滞的影响将继续成为一个重要的研究领域，突显出我们不断变化的世界中生命的微妙平衡。