parahydrogen

简明释义

英[ˌpærəˈhaɪdrədʒən]美[pærəˈhaɪdrədʒən]

仲氢

英英释义

单词用法

同义词

反义词

例句

1.By using light scattering technique, the transition of rotating energy levels from hydrogen molecular occurs and produced rotating Raman bands for orthohydrogen and parahydrogen are at 587.

采用光散射技术，促使氢分子产生转动跃迁，得到正氢和仲氢的转动拉曼光谱，其峰位为587。

2.By using light scattering technique, the transition of rotating energy levels from hydrogen molecular occurs and produced rotating Raman bands for orthohydrogen and parahydrogen are at 587.

采用光散射技术，促使氢分子产生转动跃迁，得到正氢和仲氢的转动拉曼光谱，其峰位为587。

3.The use of parahydrogen can enhance the performance of certain types of engines.

对氢的使用可以增强某些类型发动机的性能。

4.The researchers used parahydrogen to improve the efficiency of their experiments.

研究人员使用对氢来提高实验的效率。

5.Scientists are studying the behavior of parahydrogen in quantum systems.

科学家们正在研究对氢在量子系统中的行为。

6.In cryogenics, parahydrogen is often preferred for its unique properties.

在低温技术中，对氢因其独特的性质而常被优先选择。

7.The production of parahydrogen involves cooling hydrogen gas to very low temperatures.

生产对氢涉及将氢气冷却到非常低的温度。

作文

In the field of quantum mechanics and low-temperature physics, the term parahydrogen refers to one of the two nuclear spin isomers of hydrogen. It is a fascinating subject that not only has implications in scientific research but also in practical applications. Understanding parahydrogen can provide insights into the behavior of hydrogen molecules at extremely low temperatures, which is crucial for various technological advancements.To begin with, parahydrogen is formed when the spins of the two protons in a hydrogen molecule are aligned in the opposite direction. This configuration leads to a lower energy state compared to its counterpart, orthohydrogen, where the spins are aligned in the same direction. The distinction between these two forms of hydrogen is essential in fields like cryogenics and quantum computing, where the properties of materials at low temperatures are of utmost importance.One of the most interesting aspects of parahydrogen is its role in the production of liquid hydrogen. When hydrogen gas is cooled to cryogenic temperatures, it can be liquefied for various uses, including rocket fuel. The presence of parahydrogen in the mixture can significantly affect the thermal properties of the liquid hydrogen, making it more efficient for propulsion systems. This efficiency is vital for space exploration missions where every ounce of fuel counts.Moreover, parahydrogen has been studied for its potential applications in magnetic resonance imaging (MRI). Researchers have found that using parahydrogen can enhance the sensitivity of MRI scans, leading to better imaging results. This application highlights how a fundamental understanding of molecular behavior can lead to significant advancements in medical technology.In addition to its practical applications, the study of parahydrogen also contributes to our understanding of fundamental physics. Experiments involving parahydrogen have provided valuable data on quantum mechanics and molecular interactions. For instance, the behavior of parahydrogen under different conditions can help scientists test theories related to quantum entanglement and superfluidity.Furthermore, the unique properties of parahydrogen make it an excellent candidate for experiments in the field of quantum computing. As researchers strive to develop more powerful quantum computers, the characteristics of parahydrogen may offer new ways to manipulate qubits, the fundamental units of quantum information.In conclusion, parahydrogen is not just a simple molecule; it represents a complex interplay of quantum mechanics, thermodynamics, and practical applications. From its role in cryogenics to its potential in medical imaging and quantum computing, the significance of parahydrogen extends far beyond its basic definition. By continuing to explore the properties and applications of parahydrogen, scientists can pave the way for new technologies and deepen our understanding of the universe. As we advance in our research, the knowledge gained from studying parahydrogen will undoubtedly lead to innovations that can benefit society as a whole.

在量子力学和低温物理学领域，术语para氢指的是氢的两种核自旋异构体之一。这个主题不仅在科学研究中具有重要意义，也在实际应用中扮演着重要角色。理解para氢可以提供对氢分子在极低温度下行为的洞察，这对各种技术进步至关重要。首先，para氢是在氢分子中两个质子的自旋方向相反时形成的。这种配置导致其能量状态低于其对应物正氢，其中自旋方向相同。在低温物理学和量子计算等领域，氢的这两种形式之间的区别至关重要，因为材料在低温下的特性至关重要。para氢最有趣的方面之一是它在液氢生产中的作用。当氢气被冷却到低温时，可以将其液化用于多种用途，包括火箭燃料。混合物中para氢的存在可以显著影响液氢的热性能，使其在推进系统中更有效。这种效率对于每一盎司燃料都至关重要的太空探索任务来说尤为重要。此外，para氢还被研究用于磁共振成像（MRI）的潜在应用。研究人员发现，使用para氢可以增强MRI扫描的灵敏度，从而获得更好的成像结果。这一应用突显了对分子行为的基本理解如何推动医学技术的重大进步。除了实际应用外，para氢的研究也有助于我们理解基础物理学。涉及para氢的实验提供了关于量子力学和分子相互作用的宝贵数据。例如，para氢在不同条件下的行为可以帮助科学家检验与量子纠缠和超流体性相关的理论。此外，para氢的独特属性使其成为量子计算领域实验的优秀候选者。随着研究人员努力开发更强大的量子计算机，para氢的特性可能会提供操纵量子信息基本单位——量子比特的新方法。总之，para氢不仅仅是一个简单的分子；它代表了量子力学、热力学和实际应用之间复杂的相互作用。从它在低温物理学中的作用到在医学成像和量子计算中的潜力，para氢的重要性远远超出了其基本定义。通过继续探索para氢的特性和应用，科学家们可以为新技术铺平道路，并加深我们对宇宙的理解。随着我们在研究中的进展，从研究para氢中获得的知识无疑将导致可以惠及整个社会的创新。