rare earth element

简明释义

稀土元素

英英释义

例句

1.Many electric vehicle batteries use rare earth elements.稀土元素

许多电动车电池使用稀土元素。

2.Scientists are researching alternatives to rare earth elements.稀土元素

科学家正在研究替代稀土元素的方案。

3.The demand for rare earth elements is increasing in green technologies.稀土元素

在绿色技术中，对稀土元素的需求正在增加。

4.China is the largest producer of rare earth elements.稀土元素

中国是最大的稀土元素生产国。

5.The production of smartphones heavily relies on rare earth elements.稀土元素

智能手机的生产严重依赖于稀土元素。

作文

Rare earth elements (REEs) are a group of seventeen chemical elements in the periodic table that are critical to many modern technologies. These elements include the fifteen lanthanides, along with scandium and yttrium. The term rare earth element (稀土元素) can be misleading, as these elements are relatively abundant in the Earth's crust, but they are rarely found in economically exploitable concentrations. The unique properties of rare earth elements (稀土元素) make them essential for various applications, including electronics, renewable energy, and defense technologies.One of the most significant uses of rare earth elements (稀土元素) is in the production of strong permanent magnets, which are crucial for electric motors, wind turbines, and electric vehicles. For instance, neodymium, one of the most well-known rare earth elements (稀土元素), is used to create high-strength magnets that are smaller and lighter than traditional magnets. This innovation has led to advancements in energy efficiency and performance in many devices.In addition to their use in magnets, rare earth elements (稀土元素) are vital for the manufacturing of phosphors, which are substances that emit light when exposed to radiation. These phosphors are used in LED lights, computer screens, and televisions. The demand for energy-efficient lighting solutions has surged in recent years, further increasing the importance of rare earth elements (稀土元素) in the technology sector.Moreover, rare earth elements (稀土元素) play a significant role in the development of clean energy technologies. They are used in catalysts for petroleum refining, as well as in batteries for electric vehicles. The global push for sustainable energy solutions has heightened the need for rare earth elements (稀土元素), as they are integral to the advancement of technologies that reduce carbon emissions and reliance on fossil fuels.Despite their importance, the supply chain of rare earth elements (稀土元素) has proven to be a challenge. A majority of the world's supply comes from a limited number of countries, primarily China, which has led to concerns about resource security and geopolitical tensions. As nations strive for technological independence and sustainability, the quest for alternative sources of rare earth elements (稀土元素) has become a priority. Research into recycling these materials and finding new deposits in different regions is ongoing, as stakeholders aim to establish a more stable supply chain.In conclusion, rare earth elements (稀土元素) are indispensable to modern technology and the transition to renewable energy. Their unique properties enable breakthroughs in various fields, from electronics to clean energy solutions. However, the challenges associated with their supply chain highlight the need for innovative approaches to ensure a sustainable future. As the world continues to evolve technologically, the significance of rare earth elements (稀土元素) will only increase, making them a focal point for research and development in the coming years.

稀土元素（REEs）是一组在元素周期表中包含十七种化学元素的元素，这些元素对许多现代技术至关重要。这些元素包括十五种镧系元素，以及钪和钇。术语稀土元素（rare earth element）可能具有误导性，因为这些元素在地壳中的相对丰度较高，但它们很少以经济可开采的浓度存在。稀土元素（rare earth element）的独特性质使其在电子、可再生能源和国防技术等各种应用中不可或缺。稀土元素（rare earth element）最重要的用途之一是生产强力永磁体，这对电动机、风力涡轮机和电动汽车至关重要。例如，钕是最著名的稀土元素（rare earth element）之一，用于制造比传统磁铁更小、更轻的高强度磁铁。这一创新推动了许多设备的能效和性能的进步。除了用于磁铁外，稀土元素（rare earth element）在制造磷光体中也发挥着重要作用，磷光体是指在辐射照射下发光的物质。这些磷光体用于LED灯、计算机屏幕和电视。近年来，节能照明解决方案的需求激增，进一步提高了稀土元素（rare earth element）在技术领域的重要性。此外，稀土元素（rare earth element）在清洁能源技术的发展中也扮演着重要角色。它们用于石油精炼催化剂，以及电动汽车的电池。全球对可持续能源解决方案的推动加大了对稀土元素（rare earth element）的需求，因为它们对减少碳排放和对化石燃料的依赖的技术进步至关重要。尽管如此，稀土元素（rare earth element）的供应链仍然面临挑战。世界上大多数供应来自少数几个国家，主要是中国，这导致了资源安全和地缘政治紧张的担忧。随着各国努力实现技术独立和可持续发展，寻找稀土元素（rare earth element）的替代来源已成为当务之急。对回收这些材料和在不同地区寻找新矿藏的研究正在进行中，因为利益相关者旨在建立一个更稳定的供应链。总之，稀土元素（rare earth element）对现代技术和向可再生能源的过渡至关重要。它们的独特性质使得在电子和清洁能源解决方案等各个领域取得突破。然而，与其供应链相关的挑战突显了确保可持续未来所需的创新方法。随着世界在技术上不断发展，稀土元素（rare earth element）的重要性只会增加，使其成为未来几年研究和发展的重点。