dilution refrigeration

简明释义

稀释冷冻

英英释义

例句

1.The laboratory uses dilution refrigeration to maintain the temperature of sensitive samples.

实验室使用稀释制冷来维持敏感样品的温度。

2.In cryogenics, dilution refrigeration is essential for achieving ultra-low temperatures.

在低温物理学中，稀释制冷对于达到超低温至关重要。

3.Using dilution refrigeration, we can cool down materials to near absolute zero.

使用稀释制冷，我们可以将材料冷却到接近绝对零度。

4.The research team developed a new method to enhance dilution refrigeration efficiency.

研究团队开发了一种新方法，以提高稀释制冷的效率。

5.The physics department invested in advanced dilution refrigeration systems for their experiments.

物理系为他们的实验投资了先进的稀释制冷系统。

作文

In the field of cryogenics and refrigeration, the term dilution refrigeration refers to a specific cooling technique that utilizes the principles of thermodynamics to achieve extremely low temperatures. This process is particularly important in various scientific applications, including quantum computing, superconductivity research, and the study of fundamental physical phenomena. Understanding dilution refrigeration requires a grasp of both its operational mechanics and its significance in advancing technology.The basic principle behind dilution refrigeration involves the mixing of two different isotopes of helium, namely helium-3 and helium-4. Helium-3 is a rare isotope that possesses unique properties at low temperatures. When these two isotopes are mixed, the lighter helium-3 atoms can absorb energy from the heavier helium-4 atoms, which leads to a cooling effect. This process occurs in a closed system, where the mixture is allowed to circulate through a heat exchanger. As helium-3 evaporates, it takes away heat from the remaining liquid, resulting in a significant drop in temperature.One of the key advantages of dilution refrigeration is its ability to reach temperatures close to absolute zero, around 10 millikelvins or even lower. Such low temperatures are essential for experiments in quantum mechanics, where thermal noise can interfere with delicate measurements. For instance, in the realm of quantum computing, maintaining qubits at ultra-low temperatures ensures their coherence and stability, which are crucial for performing complex calculations.Moreover, dilution refrigeration systems are typically more efficient than traditional refrigeration methods when it comes to achieving these extreme temperatures. They can operate continuously without the need for frequent recharging of coolant, making them highly suitable for long-term experiments. This efficiency is particularly beneficial in research environments where time and resources are limited.However, the implementation of dilution refrigeration is not without challenges. The complexity of the systems involved requires careful design and engineering to ensure optimal performance. Additionally, the handling of helium-3, due to its scarcity and high cost, poses economic considerations for researchers and institutions. Despite these challenges, the benefits of using dilution refrigeration far outweigh the drawbacks, especially in cutting-edge fields of study.In conclusion, dilution refrigeration is a vital technique in modern science that enables researchers to explore the mysteries of the universe at unprecedented low temperatures. Its unique cooling mechanism, based on the interaction between helium isotopes, serves as a powerful tool in advancing technologies, particularly in quantum computing and superconductivity. As we continue to push the boundaries of what is possible in scientific inquiry, understanding and mastering dilution refrigeration will undoubtedly play a crucial role in shaping the future of research and innovation.

在低温技术和制冷领域，短语dilution refrigeration指的是一种特定的冷却技术，该技术利用热力学原理来实现极低的温度。这个过程在各种科学应用中尤为重要，包括量子计算、超导研究以及基础物理现象的研究。理解dilution refrigeration需要掌握其操作机制及其在推动技术进步中的重要性。dilution refrigeration的基本原理涉及将两种不同同位素的氦气混合，即氦-3和氦-4。氦-3是一种稀有同位素，在低温下具有独特的性质。当这两种同位素混合时，较轻的氦-3原子能够从较重的氦-4原子中吸收能量，从而导致冷却效果。该过程发生在一个封闭系统中，混合物被允许通过热交换器循环。当氦-3蒸发时，它带走剩余液体的热量，从而显著降低温度。dilution refrigeration的一个关键优势是其能够达到接近绝对零度的温度，大约10毫开尔文或更低。这种低温对于量子力学实验至关重要，因为热噪声会干扰精细测量。例如，在量子计算领域，保持量子比特在超低温下可以确保它们的相干性和稳定性，这对于执行复杂计算至关重要。此外，dilution refrigeration系统通常比传统制冷方法在实现这些极低温度时更为高效。它们可以持续运行，而无需频繁补充冷却剂，这使得它们非常适合长期实验。这种效率在时间和资源有限的研究环境中特别有利。然而，实施dilution refrigeration并非没有挑战。涉及的系统复杂性要求仔细设计和工程，以确保最佳性能。此外，由于氦-3的稀缺性和高成本，处理氦-3也给研究人员和机构带来了经济考虑。尽管存在这些挑战，使用dilution refrigeration的好处远远超过缺点，特别是在前沿研究领域。总之，dilution refrigeration是现代科学中一项重要的技术，使研究人员能够在前所未有的低温下探索宇宙的奥秘。其独特的冷却机制基于氦同位素之间的相互作用，作为推动技术进步的强大工具，尤其是在量子计算和超导性方面。随着我们继续推动科学探究的边界，理解和掌握dilution refrigeration无疑将在塑造研究和创新的未来中发挥至关重要的作用。