rhenium

简明释义

英[ˈriːniəm]美[ˈriːniəm]

n. （化学）铼（75号元素，符号为 Re）

英英释义

单词用法

同义词

反义词

例句

1.This paper covers the calibration method of tungsten-rhenium thermocouples using an optical pyromer as standtard instrument .

本文论述用光学高温计分度钨铼热电偶的方法及其测量不确定度。

2.Commented the resource of rhenium, application and market situation.

评述了铼的资源、应用和市场状况。

3.The invention relates to a method used for separating molybdenum and rhenium from molybdenum mine.

本发明涉及一种从钼矿中分离钼、铼的方法。

4.The availability of trace rare and dispersed elements gallium, indium, germanium, thallium, selenium, tellurium, rhenium.

可供利用的微量稀有分散元素镓、铟、锗、铊、硒、碲、铼。

5.The feasibility of direct extraction rhenium from waste acid to produce ammonium rhenate has been re- searched, the parameters and conditions of Process has been determined.

研究了萃取法从污酸中直接提取铼生产铼酸铵的可行性，确定了工艺流程与条件参数。

6.This paper discussed the Rhenium resources production technology application and market in the world.

论述了世界铼的资源、生产工艺、应用及市场状况。

7.The alloy contains a significant amount of rhenium, which enhances its heat resistance.

该合金含有大量的铼，这提高了它的耐热性。

8.Researchers are studying the catalytic properties of rhenium in chemical reactions.

研究人员正在研究铼在化学反应中的催化特性。

9.Due to its high melting point, rhenium is used in high-temperature applications.

由于其高熔点，铼被用于高温应用中。

10.The aerospace industry relies on rhenium for jet engine components.

航空航天工业依赖于铼用于喷气发动机部件。

11.Some thermocouples use rhenium for accurate temperature readings.

一些热电偶使用铼以获得准确的温度读数。

作文

Rhenium is a rare and valuable metal that has captured the attention of scientists and engineers for its unique properties. Discovered in 1925 by the German chemists Walter Noddack, Ida Tacke, and Otto Berg, rhenium (瑞尼铼) is one of the heaviest elements in the periodic table, with an atomic number of 75. Its scarcity and exceptional characteristics make it an important material in various industrial applications. One of the most notable features of rhenium (瑞尼铼) is its high melting point, which is around 3186 degrees Celsius. This property makes it ideal for use in high-temperature environments, such as in jet engines and rocket propulsion systems. The aerospace industry significantly benefits from rhenium (瑞尼铼) due to its ability to withstand extreme conditions while maintaining structural integrity. Additionally, rhenium (瑞尼铼) is often used as an alloying agent to improve the strength and durability of other metals. For instance, when added to tungsten, rhenium (瑞尼铼) enhances its toughness and resistance to thermal fatigue. This combination is particularly useful in manufacturing components for gas turbines and other machinery that operate under intense heat and pressure. In the field of electronics, rhenium (瑞尼铼) plays a crucial role in the production of certain types of electrical contacts and filaments. Its excellent conductivity and stability at high temperatures make it a preferred choice for these applications. Furthermore, rhenium (瑞尼铼) is also utilized in the production of catalysts for chemical reactions, especially in the refining of petroleum products. The presence of rhenium (瑞尼铼) in catalysts can significantly enhance their efficiency and selectivity, leading to better yields and reduced environmental impact. Despite its numerous advantages, the extraction and processing of rhenium (瑞尼铼) present challenges. It is primarily obtained as a byproduct of molybdenum mining, which means that its availability is closely tied to the production of other metals. This limited supply can lead to fluctuations in price and availability, making it essential for industries that rely on rhenium (瑞尼铼) to plan accordingly. As the demand for high-performance materials continues to rise, the importance of rhenium (瑞尼铼) is likely to grow. Researchers are exploring new methods for recycling rhenium (瑞尼铼) from used products, which could help mitigate some of the supply issues associated with this rare element. Additionally, advancements in technology may lead to the discovery of alternative materials that can replicate the beneficial properties of rhenium (瑞尼铼), potentially reducing reliance on this precious metal. In conclusion, rhenium (瑞尼铼) is a remarkable element with a wide range of applications across various industries. Its unique properties, including high melting point and excellent conductivity, make it invaluable in aerospace, electronics, and catalysis. However, due to its rarity and the complexities involved in its extraction, the future of rhenium (瑞尼铼) will depend on innovative recycling methods and the development of alternative materials. As we continue to explore the potential of this fascinating metal, it is clear that rhenium (瑞尼铼) will remain a key player in the advancement of technology and industry.

瑞尼铼是一种稀有而珍贵的金属，由于其独特的性质，吸引了科学家和工程师的关注。它于1925年由德国化学家沃尔特·诺达克、艾达·塔克和奥托·伯格发现，rhenium（瑞尼铼）的原子序数为75，是周期表中最重的元素之一。由于其稀缺性和卓越特性，使其在各种工业应用中成为重要材料。 rhenium（瑞尼铼）最显著的特征之一是其高熔点，约为3186摄氏度。这一特性使其在高温环境中理想，例如喷气发动机和火箭推进系统。航空航天工业因rhenium（瑞尼铼）能够在极端条件下保持结构完整性而受益匪浅。 此外，rhenium（瑞尼铼）通常用作合金添加剂，以提高其他金属的强度和耐用性。例如，当加入钨时，rhenium（瑞尼铼）增强了其韧性和抗热疲劳性。这种组合在制造燃气涡轮和其他在高温和高压下运行的机械部件时尤其有用。 在电子领域，rhenium（瑞尼铼）在某些类型的电气接触和灯丝的生产中发挥着关键作用。其优良的导电性和在高温下的稳定性使其成为这些应用的首选。此外，rhenium（瑞尼铼）还用于催化剂的生产，特别是在石油产品的精炼中。rhenium（瑞尼铼）在催化剂中的存在可以显著提高其效率和选择性，从而实现更好的产量和降低环境影响。 尽管有许多优点，但提取和加工rhenium（瑞尼铼）仍然面临挑战。它主要作为钼矿的副产品获得，这意味着其供应与其他金属的生产密切相关。这种有限的供应可能导致价格和可用性的波动，因此依赖rhenium（瑞尼铼）的行业必须做好相应的规划。 随着对高性能材料需求的不断增长，rhenium（瑞尼铼）的重要性可能会增加。研究人员正在探索从使用过的产品中回收rhenium（瑞尼铼）的新方法，这可能有助于缓解与这种稀有元素相关的一些供应问题。此外，技术的进步可能会导致发现替代材料，这些材料可以复制rhenium（瑞尼铼）的有益特性，从而减少对这种贵金属的依赖。 总之，rhenium（瑞尼铼）是一种具有广泛应用的非凡元素，涉及多个行业。其独特的性质，包括高熔点和优良的导电性，使其在航空航天、电子和催化等领域不可或缺。然而，由于其稀缺性和提取的复杂性，rhenium（瑞尼铼）的未来将取决于创新的回收方法和替代材料的发展。随着我们继续探索这种迷人金属的潜力，显然rhenium（瑞尼铼）将在技术和工业的进步中继续扮演关键角色。