dilution refrigeration

简明释义

稀释冷冻

英英释义

例句

1.Researchers are exploring new materials that can improve the efficiency of dilution refrigeration systems.

研究人员正在探索可以提高稀释制冷系统效率的新材料。

2.Understanding the principles of dilution refrigeration is crucial for anyone working in the field of low-temperature physics.

理解稀释制冷的原理对于任何从事低温物理领域的人来说都是至关重要的。

3.The physics department invested in a state-of-the-art dilution refrigeration unit for their quantum computing research.

物理系为他们的量子计算研究投资了一台先进的稀释制冷设备。

4.In cryogenics, dilution refrigeration is essential for achieving temperatures close to absolute zero.

在低温物理学中，稀释制冷对于达到接近绝对零度的温度至关重要。

5.The laboratory uses dilution refrigeration to maintain low temperatures for sensitive experiments.

实验室使用稀释制冷来维持敏感实验的低温。

作文

In the field of cryogenics, one of the most fascinating and efficient methods for achieving extremely low temperatures is known as dilution refrigeration. This technique is particularly significant in the realm of quantum computing and other advanced scientific research where maintaining low temperatures is crucial. To understand dilution refrigeration, it is essential to delve into its principles, applications, and advantages. The fundamental principle behind dilution refrigeration is based on the mixing of two isotopes of helium: helium-3 and helium-4. At very low temperatures, these two isotopes exhibit unique behaviors that allow them to be used as a cooling mechanism. When helium-3 is diluted in helium-4, it creates a mixture that can absorb heat from its surroundings. This absorption of heat occurs because the helium-3 atoms move into the helium-4 phase, which effectively reduces the temperature of the system. The process is highly efficient, enabling researchers to reach temperatures below one millikelvin. One of the primary applications of dilution refrigeration is in the cooling of superconducting materials. Superconductors are materials that can conduct electricity without resistance when cooled to certain temperatures. In many cases, achieving the necessary low temperatures requires advanced refrigeration techniques like dilution refrigeration. Furthermore, this method is also utilized in the development of quantum bits (qubits) for quantum computers. Qubits are the building blocks of quantum computing, and their performance is heavily dependent on maintaining low operational temperatures to minimize thermal noise. The advantages of using dilution refrigeration over other cooling methods are numerous. Firstly, it can achieve significantly lower temperatures than conventional refrigeration methods, making it indispensable for experiments that require extreme conditions. Secondly, the continuous operation of dilution refrigeration systems allows for prolonged experiments without interruptions, which is critical in research settings. Additionally, the materials used in this refrigeration method are relatively abundant and cost-effective compared to other cryogenic materials, making it a practical choice for many laboratories. Despite its many benefits, dilution refrigeration does come with some challenges. The complexity of the system and the need for precise control over the mixing of helium isotopes can make it difficult to operate. Moreover, the initial setup costs can be high, which may deter some institutions from investing in this technology. However, for those engaged in cutting-edge research, the advantages far outweigh the drawbacks. In conclusion, dilution refrigeration represents a remarkable innovation in the field of cryogenics. By utilizing the unique properties of helium isotopes, it enables scientists to reach ultra-low temperatures necessary for groundbreaking research in various fields, including quantum computing and superconductivity. As technology continues to advance, the importance and applications of dilution refrigeration will undoubtedly expand, paving the way for new discoveries and innovations. Understanding this complex yet fascinating process is essential for anyone interested in the future of scientific research and technology.

在低温技术领域，有一种非常迷人且高效的方法来实现极低的温度，这就是被称为dilution refrigeration的技术。这种技术在量子计算和其他高级科学研究中尤为重要，因为在这些领域中，保持低温至关重要。要理解dilution refrigeration，必须深入探讨其原理、应用和优势。dilution refrigeration的基本原理是基于两种氦同位素的混合：氦-3和氦-4。在非常低的温度下，这两种同位素表现出独特的行为，使它们可以作为冷却机制。当氦-3在氦-4中稀释时，它会形成一个可以从周围环境中吸收热量的混合物。由于氦-3原子进入氦-4相，这一热量的吸收过程有效地降低了系统的温度。该过程具有很高的效率，使研究人员能够达到低于一毫开尔文的温度。dilution refrigeration的主要应用之一是在超导材料的冷却上。超导体是指在某些温度下能够无电阻地导电的材料。在许多情况下，实现所需的低温需要像dilution refrigeration这样的先进冷却技术。此外，该方法还被用于量子计算机的量子比特（qubit）的开发。量子比特是量子计算的基本构件，其性能在很大程度上依赖于保持低操作温度，以最小化热噪声。使用dilution refrigeration而非其他冷却方法的优点很多。首先，它可以达到显著低于传统冷却方法的温度，使其在需要极端条件的实验中不可或缺。其次，dilution refrigeration系统的连续运行允许进行长时间不间断的实验，这在研究环境中至关重要。此外，这种冷却方法所使用的材料相对丰富且具有成本效益，与其他低温材料相比，使其成为许多实验室的实用选择。尽管有许多优点，dilution refrigeration也面临一些挑战。系统的复杂性以及对氦同位素混合的精确控制需求可能使其操作困难。此外，初始设置成本可能很高，这可能会阻止一些机构投资于此技术。然而，对于那些从事前沿研究的人来说，优势远远超过缺点。总之，dilution refrigeration代表了低温技术领域的一项非凡创新。通过利用氦同位素的独特性质，它使科学家能够达到进行各种领域突破性研究所需的超低温，包括量子计算和超导性。随着技术的不断进步，dilution refrigeration的重要性和应用无疑将扩大，为新的发现和创新铺平道路。理解这一复杂而迷人的过程对于任何对科学研究和技术未来感兴趣的人来说都是至关重要的。