niobium

简明释义

英[naɪˈəʊbiəm]美[naɪˈoʊbiəm]

n. [化学]铌（41号元素，符号 Nb）

英英释义

单词用法

同义词

反义词

例句

1.Therefore, it is highly desirable to develop a simple, low-cost and environmentally sound process to prepare niobium and niobium-base alloys.

因此，有必要研究一种流程短、成本低且对环境友好的铌及铌合金制备方法。

2.With three microalloy steels containing 0.24, 0.15, and 0.08% niobium respectively, the precipitation of niobium carbide in ferrite has been studied.

对铌含量分别为0.24、0.15和0.08%的三炉微合金化钢中碳化铌在铁素体中的沉淀进行了较为深入的研究。

3.The adsorption properties of niobium oxalate complex in oxalic acid solution with 707 anion exchange resin have been investigated.

研究了707阴离子交换树脂从草酸溶液中吸附铌草酸配合物的特性。

4.The effects of niobium on breaking toughness and wear - resistance of high Cr - Mn white iron was investigated.

研究了铌对高铬锰白口铸铁断裂韧度和耐磨性的影响规律。

5.This consists of a superconducting niobium conducting path that is configured with strongly reflective "mirrors" for microwaves at both ends.

这套系统内含一个超导铌通路（两端配置了强烈反射微波的“镜子”）。

6.The niobium superconducting cavities shown here could prove useful for waste transmutation.

此处展示的铌超导腔已经证明可以用于废料嬗变。

7.Niobium is the metallic element with the highest transition temperature.

铌是转变温度最高的金属元素。

8.A black mineral is an ore of niobium and tantalum.

一种黑色矿物是铌、钽矿石。

9.The alloy used in the jet engine contains a significant amount of niobium.

喷气发动机中使用的合金含有大量的铌。

10.Researchers are studying the properties of niobium for superconducting materials.

研究人员正在研究铌在超导材料中的特性。

11.The electrical conductivity of niobium makes it valuable in electronics.

铌的电导率使其在电子产品中具有重要价值。

12.In the production of steel, niobium is added to enhance strength.

在钢铁生产中，加入铌以增强强度。

13.The nuclear industry utilizes niobium for its corrosion resistance.

核工业利用铌的耐腐蚀性。

作文

Niobium, denoted by the symbol Nb, is a chemical element that belongs to the group of transition metals in the periodic table. It was first discovered in 1801 by the English chemist Charles Hatchett. Since then, it has gained significant importance in various industries due to its unique properties. One of the most notable characteristics of niobium (铌) is its ability to withstand high temperatures and resist corrosion. This makes it an ideal material for applications in aerospace, electronics, and even medical devices. In the aerospace industry, niobium (铌) is often used in the manufacturing of jet engines and rocket components. Its high melting point allows it to maintain structural integrity under extreme conditions, which is crucial for the safety and efficiency of aircraft and spacecraft. Additionally, niobium (铌) is lightweight, which contributes to overall fuel efficiency in aviation. Another significant application of niobium (铌) is in the field of superconductors. Superconductors are materials that can conduct electricity without resistance when cooled to very low temperatures. The addition of niobium (铌) to certain alloys enhances their superconducting properties, making them essential in the development of powerful magnets used in MRI machines and particle accelerators. Furthermore, niobium (铌) is also utilized in the production of high-strength steel. When added to steel, niobium (铌) improves its strength and toughness, allowing for the construction of safer and more durable structures. This is particularly important in the construction of bridges and buildings, where the strength of materials can significantly impact safety and longevity. Despite its many advantages, niobium (铌) is not as widely known as other metals like iron or aluminum. This is partly due to its rarity; niobium (铌) is not found in its pure form in nature and must be extracted from minerals such as columbite and pyrochlore. The extraction process can be complex and costly, which sometimes limits its use in certain applications. Moreover, the global supply of niobium (铌) is concentrated in a few countries, with Brazil being the largest producer. This concentration can lead to fluctuations in availability and price, impacting industries that rely on this metal. As technology continues to advance, the demand for niobium (铌) is expected to grow, particularly in the fields of renewable energy and electric vehicles, where lightweight and strong materials are highly sought after. In conclusion, niobium (铌) is a fascinating element that plays a crucial role in modern technology and industry. Its unique properties make it indispensable in various applications, from aerospace to superconductors and high-strength steel. As we continue to innovate and seek more efficient materials, the importance of niobium (铌) will likely increase, making it a key player in the future of engineering and technology.

铌（化学符号为Nb）是一种化学元素，属于周期表中的过渡金属组。它于1801年由英国化学家查尔斯·哈切特首次发现。从那时起，由于其独特的性质，它在各个行业中变得越来越重要。铌（niobium）最显著的特性之一是其耐高温和抗腐蚀的能力。这使得它成为航空航天、电子甚至医疗设备等应用的理想材料。 在航空航天工业中，铌（niobium）常用于喷气发动机和火箭部件的制造。它的高熔点使其在极端条件下保持结构完整性，这对飞机和航天器的安全性和效率至关重要。此外，铌（niobium）轻巧的特性有助于整体燃油效率。 铌（niobium）在超导体领域也有重要应用。超导体是指在极低温度下能够无阻力导电的材料。将铌（niobium）添加到某些合金中可以增强其超导特性，使其在MRI机器和粒子加速器中使用强大磁铁的开发中必不可少。 此外，铌（niobium）还用于生产高强度钢。当添加到钢中时，铌（niobium）可以提高其强度和韧性，从而构建更安全、更耐用的结构。这在桥梁和建筑的建设中尤为重要，因为材料的强度会显著影响安全性和耐久性。 尽管具有许多优势，但铌（niobium）并不像铁或铝等其他金属那样广为人知。这部分是由于其稀有性；铌（niobium）在自然界中不会以纯净形式存在，必须从如铌矿和辉石矿等矿物中提取。提取过程可能复杂且成本高昂，这有时限制了其在某些应用中的使用。 此外，全球铌（niobium）的供应集中在少数几个国家，其中巴西是最大的生产国。这种集中可能导致可用性和价格的波动，影响依赖这种金属的行业。随着技术的不断进步，对铌（niobium）的需求预计将增长，特别是在可再生能源和电动车辆领域，这些领域对轻质和强韧材料的需求非常高。 总之，铌（niobium）是一种引人入胜的元素，在现代技术和工业中发挥着至关重要的作用。其独特的性质使其在航空航天、超导体和高强度钢等各种应用中不可或缺。随着我们继续创新并寻求更高效的材料，铌（niobium）的重要性可能会增加，使其成为工程和技术未来的关键角色。