superconduction current
简明释义
超导电流
英英释义
例句
1.In the experiment, the superconduction current 超导电流 was measured at temperatures close to absolute zero.
在实验中,超导电流 superconduction current 在接近绝对零度的温度下被测量。
2.The research team discovered that the flow of superconduction current 超导电流 in their new material was significantly higher than expected.
研究团队发现他们新材料中的超导电流 superconduction current 流动显著高于预期。
3.The application of superconduction current 超导电流 in maglev trains allows for faster and smoother travel.
在磁悬浮列车中应用超导电流 superconduction current 可以实现更快和更平稳的旅行。
4.Researchers are exploring how to maintain a stable superconduction current 超导电流 in high magnetic fields.
研究人员正在探索如何在高磁场中保持稳定的超导电流 superconduction current。
5.The efficiency of the power grid can be improved by using superconduction current 超导电流 technology.
通过使用超导电流 superconduction current 技术,可以提高电网的效率。
作文
Superconductivity is a fascinating phenomenon that occurs in certain materials when they are cooled to extremely low temperatures. One of the most intriguing aspects of superconductivity is the concept of superconduction current, which refers to the flow of electric current in a superconducting material without any resistance. This means that when a material becomes superconductive, it can conduct electricity with perfect efficiency, allowing for the creation of powerful magnets and the potential for lossless power transmission. The discovery of superconductivity dates back to 1911 when Dutch physicist Heike Kamerlingh Onnes observed this remarkable property in mercury at temperatures below 4.2 Kelvin. Since then, scientists have been exploring various materials to identify those that can exhibit superconduction current. The critical temperature, or the temperature below which a material becomes superconductive, varies widely among different substances. For instance, some high-temperature superconductors can function at temperatures above the boiling point of liquid nitrogen, making them more practical for real-world applications.One of the key characteristics of superconduction current is the Meissner effect, which describes the expulsion of magnetic fields from a superconducting material. When a material transitions into a superconductive state, it will repel external magnetic fields, leading to the phenomenon of magnetic levitation. This effect has numerous applications, especially in transportation technologies like maglev trains, which utilize superconduction current to achieve frictionless movement and high speeds.In addition to transportation, the implications of superconduction current extend to various fields, including medicine and energy. Magnetic Resonance Imaging (MRI) machines, for example, rely on superconducting magnets to generate strong magnetic fields necessary for imaging. Furthermore, the potential for lossless power transmission through superconducting cables could revolutionize the energy sector by significantly reducing energy loss during transmission over long distances.Despite the many advantages of superconduction current, there are challenges to its widespread adoption. The requirement for extremely low temperatures often necessitates complex cooling systems, which can be costly and energy-intensive. Researchers are actively working to discover new materials that can become superconductive at higher temperatures, which would make the technology more feasible for everyday use.In conclusion, the study of superconduction current opens up exciting possibilities for technological advancements across various industries. From transportation to medical imaging and energy efficiency, the ability to conduct electricity without resistance holds great promise for the future. As research continues and new materials are discovered, we may soon see a world where superconduction current plays a central role in our daily lives, transforming how we use and think about electricity.
超导性是一种迷人的现象,发生在某些材料在极低温度下时。超导性的一个最引人注目的方面是超导电流的概念,它指的是在超导材料中无阻力地流动的电流。这意味着当材料变为超导状态时,它可以以完美的效率传导电流,从而允许产生强大的磁体和无损功率传输的潜力。超导性的发现可以追溯到1911年,当时荷兰物理学家海克·卡梅林·昂内斯在温度低于4.2开尔文时观察到汞的这一显著特性。从那时起,科学家们一直在探索各种材料,以确定哪些材料能够表现出超导电流。临界温度,即材料变为超导状态的温度,在不同物质之间差异很大。例如,一些高温超导体可以在超过液氮沸点的温度下工作,使它们在现实应用中更具实用性。超导电流的一个关键特征是迈斯纳效应,它描述了超导材料中磁场的排斥。当材料转变为超导状态时,它将排斥外部磁场,导致磁悬浮现象。这种效应有许多应用,尤其是在交通技术中,如磁悬浮列车,利用超导电流实现无摩擦运动和高速。除了交通,超导电流的意义还扩展到医学和能源等各个领域。例如,磁共振成像(MRI)机器依赖超导磁体产生成像所需的强磁场。此外,通过超导电缆实现无损功率传输的潜力可能会通过显著减少长距离传输过程中的能量损失来彻底改变能源行业。尽管超导电流有许多优点,但其广泛采用面临挑战。对极低温度的要求通常需要复杂的冷却系统,这可能成本高昂且耗能。研究人员正在积极寻找新的材料,以期在更高温度下实现超导,这将使该技术更可行,适用于日常使用。总之,超导电流的研究为各个行业的技术进步打开了令人兴奋的可能性。从交通到医学成像和能源效率,能够无阻力地传导电流的能力对未来具有巨大潜力。随着研究的持续推进和新材料的发现,我们可能很快会看到一个超导电流在我们日常生活中发挥核心作用的世界,改变我们使用和思考电力的方式。
相关单词