scandium

简明释义

英[ˈskændiəm]美[ˈskændiəm]

n. [化学] 钪

英英释义

单词用法

同义词

反义词

例句

1.Under the optimum technology condition, we can get the anhydrous scandium chloride molten salt whose hydrolysis rate is2.3%.

在此工艺条件下，制得的无水氯化钪熔盐中钪的水解率为2.3%。

2.At present, research must stress on the development of new technology for the low cost production of scandium-bearing master alloy and the industrial application of aluminum-scandium alloys.

目前的研究重点是开发含钪中间合金的低成本生产新技术及含钪铝合金的工业应用。

3.The distribution in nature, application, and extraction technology of scandium are introduced.

论述了稀散元素钪在自然界中的分布、应用状况及提取技术。

4.They turned out to be the undiscovered elements scandium, gallium, technetium and germanium.

那时还没发现的元素就是钪，镓，锗和锝。

5.The phosphorus content of phytin was determined in molybdate-antimony-scandium color agent after it was digested by concentrated sulfuric acid and perchlorate, with its deviation of no over 5%.

浓硫酸和高氯酸消解后，用钼-锑-钪复合显色剂测定植酸钙中的磷含量，偏差不超过5%；

6.Then the new technology in preparation of high purity scandium metal was proposed and its purification mechanism was discussed.

然后给出了用真空蒸馏法制备高纯金属钪的新工艺，并对其提纯机制作了探讨。

7.Lead scandium tantalate ceramics exhibit excellent dielectric, piezoelectric, and ferroelectric properties, but need rather higher sintering temperature and possess lower Curie temperature.

钽钪酸铅陶瓷具有优良的介电、压电和铁电性能，但烧成温度高、居里点较低。

8.Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals.

稀土金属、钇、钪及其混合物的无机或有机化合物。

9.The addition of scandium 钪 to titanium can enhance its strength and reduce weight.

将 scandium 钪 添加到钛中可以增强其强度并减轻重量。

10.Researchers are exploring the use of scandium 钪 in improving the performance of aluminum alloys.

研究人员正在探索使用 scandium 钪 来提高铝合金的性能。

11.In the field of electronics, scandium 钪 is considered for use in high-performance capacitors.

在电子领域，scandium 钪 被考虑用于高性能电容器。

12.The lightweight properties of scandium 钪 make it an ideal choice for aerospace applications.

由于其轻量特性，scandium 钪 是航空航天应用的理想选择。

13.The unique properties of scandium 钪 have led to its use in various sports equipment.

由于其独特的性质，scandium 钪 被用于各种体育设备中。

作文

Scandium, represented by the symbol Sc, is a chemical element that belongs to the category of transition metals in the periodic table. Its atomic number is 21, and it is known for its unique properties and applications. Scandium (钪) is a silvery-white metal that is relatively soft and has a low density. It was first discovered in 1879 by the Swedish chemist Lars Fredrik Nilson. One of the most interesting aspects of scandium is that it is quite rare in the Earth's crust, which contributes to its high cost and limited availability in commercial applications.The primary use of scandium is in the production of aluminum-scandium alloys. These alloys are used in aerospace applications because they possess improved strength and resistance to corrosion compared to standard aluminum. The addition of even a small amount of scandium can significantly enhance the mechanical properties of aluminum, making it an essential material in the manufacturing of aircraft components, sports equipment, and other high-performance products.In addition to its use in alloys, scandium has also found applications in the field of lighting. Scandium iodide is used in high-intensity discharge lamps, which produce bright, white light and are commonly used in stadiums and outdoor areas. This application highlights the versatility of scandium and its importance in modern technology.Another area where scandium is gaining attention is in the field of nuclear science. It has been studied for its potential use in nuclear reactors, particularly as a moderator due to its ability to slow down neutrons without capturing them. This property makes scandium an intriguing option for enhancing the efficiency and safety of nuclear reactions.Despite its valuable properties, the extraction and processing of scandium pose significant challenges. Most of the world's supply comes from mining operations that extract it as a byproduct of other metals, such as uranium and titanium. This means that the availability of scandium is closely tied to the demand for these other metals, leading to fluctuations in its market price.Research into the potential uses of scandium continues to grow, with scientists exploring its applications in various fields, including electronics and energy storage. For instance, scandium could play a role in the development of solid-state batteries, which are considered the next generation of energy storage technology. The incorporation of scandium into battery materials could improve their performance and longevity, making them more efficient for electric vehicles and renewable energy systems.In conclusion, scandium (钪) is a fascinating element with a range of applications across different industries. Its unique properties make it valuable in aerospace, lighting, and potentially in the future of energy storage. As research continues and technology advances, it will be interesting to see how scandium is utilized in new and innovative ways. Understanding this element not only broadens our knowledge of chemistry but also highlights the interconnectedness of materials science and technological development.

钪（化学符号为Sc）是一种化学元素，属于周期表中的过渡金属类别。它的原子序数是21，以其独特的性质和应用而闻名。钪（Scandium）是一种银白色金属，相对柔软，密度较低。它于1879年由瑞典化学家拉尔斯·弗雷德里克·尼尔森首次发现。钪的一个有趣之处在于，它在地壳中的含量相对稀少，这使得它的成本高昂且在商业应用中有限。钪的主要用途是在铝钪合金的生产中。这些合金因其相较于标准铝材的强度和耐腐蚀性得到改善而被广泛应用于航空航天领域。即使是少量的钪加入，也能显著增强铝的机械性能，使其成为制造飞机零部件、运动器材和其他高性能产品的重要材料。除了用于合金外，钪在照明领域也找到了应用。钪碘化物用于高强度放电灯，这种灯产生明亮的白光，通常用于体育场和户外区域。这一应用突显了钪的多功能性及其在现代技术中的重要性。钪还在核科学领域引起了关注。它因其能够减速中子而不捕获它们的特性，被研究作为核反应堆中的一种调节剂。这一特性使得钪成为提高核反应效率和安全性的一个令人感兴趣的选项。尽管钪具有宝贵的性质，但其提取和加工面临重大挑战。世界大部分供应来自作为其他金属（如铀和钛）副产品的矿业作业。这意味着钪的可用性与这些其他金属的需求密切相关，导致其市场价格波动。对钪潜在用途的研究持续增长，科学家们正在探索其在电子和能源存储等各个领域的应用。例如，钪可能在固态电池的发展中发挥作用，这被认为是下一代能源存储技术。将钪纳入电池材料中可能改善其性能和寿命，使其在电动汽车和可再生能源系统中更为高效。总之，钪（Scandium）是一种引人入胜的元素，在各行各业中具有多种应用。其独特的性质使其在航空航天、照明以及未来能源存储方面具有价值。随着研究的继续和技术的进步，令人期待的是钪将如何以新颖的方式被利用。理解这一元素不仅拓宽了我们对化学的认识，也突显了材料科学与技术发展的相互关联。