cerium

简明释义

英[ˈsɪəriəm]美[ˈsɪriəm]

n. [化学] 铈

英英释义

单词用法

同义词

反义词

例句

1.Uses: mainly used in catalysts, pharmaceuticals, cerium oxide production of raw materials, etc.

用途：主要用于催化剂、医药、氧化铈的生产原料等。

2.Lanthanum praseodymium - cerium rare earth (LPC) was a patent composition.

镧镨铈混合稀土(LPC)是新型专利成分的混合稀土。

3.Yttrium oxide and cerium oxide produced only for the follow-up study done on the basis of feasibility analysis.

氧化钇和氧化铈的制备仅仅为后续研究做可行性分析提供依据。

4.Cerium, Cerium Metal, Metal Cerium.

铈，金属铈，铈金属。

5."The trick here is the cerium oxide - it's very refractory, it's a rock," said Haile.

Haile表示：“诀窍在于铈氧化物，它非常稳定，就像石头一样。”

6.Abstract: the influence of cerium on the behavior of lithium-aluminium alloy anode was studied.

文摘：研究了铈对锂铝合金阳极充放电性能的影响。

7.Ultrasonic is used for tin-cerium alloy electroplating.

将超声波应用于锡铈合金电镀。

8.In glass manufacturing, cerium oxide is used as a polishing agent.

在玻璃制造中，铈氧化物被用作抛光剂。

9.Some types of lantern mantles contain cerium for better light emission.

一些类型的灯笼罩含有铈以提高光发射效果。

10.The element cerium is often used in catalytic converters to reduce emissions.

元素铈常用于催化转换器以减少排放。

11.The addition of cerium to steel can enhance its strength and durability.

在钢中添加铈可以增强其强度和耐用性。

12.Researchers are studying the properties of cerium to improve battery technology.

研究人员正在研究铈的性质，以改善电池技术。

作文

Cerium, represented by the symbol Ce, is a fascinating element that belongs to the lanthanide series of the periodic table. It was discovered in 1803 by Swedish chemist Jöns Jacob Berzelius and his assistant Wilhelm Hisinger, who isolated it from a mineral called cerite. The name cerium is derived from the dwarf planet Ceres, which was discovered around the same time. As one of the most abundant rare earth elements, cerium plays a crucial role in various industrial applications, particularly in catalysis and materials science.One of the most significant uses of cerium is in catalytic converters in automobiles. These devices are essential for reducing harmful emissions from internal combustion engines. Cerium oxide acts as an important catalyst, facilitating the conversion of toxic gases such as carbon monoxide and hydrocarbons into less harmful substances. This application not only helps in meeting environmental regulations but also contributes to cleaner air quality.In addition to its role in catalysis, cerium is widely used in the production of glass and ceramics. The addition of cerium oxide to glass formulations improves their optical properties, making them more resistant to UV light and enhancing their durability. This is particularly beneficial for manufacturing high-quality glassware, lenses, and even in the production of certain types of electronic displays.Furthermore, cerium has gained attention in the field of renewable energy. Researchers are exploring its potential in solid oxide fuel cells (SOFCs), where cerium oxide can serve as an electrolyte. This application could lead to more efficient energy conversion processes, contributing to the development of sustainable energy solutions. The unique properties of cerium, such as its ability to exist in multiple oxidation states, make it a valuable material in advancing technology.Another intriguing aspect of cerium is its use in the field of metallurgy. Alloying cerium with other metals can significantly enhance their mechanical properties. For instance, adding cerium to iron can improve its resistance to oxidation and increase its strength at high temperatures. This characteristic is particularly advantageous in the manufacturing of components that require high performance under extreme conditions.Despite its numerous applications, the extraction and processing of cerium must be conducted responsibly due to environmental concerns. Mining activities can lead to habitat destruction and pollution if not managed properly. Therefore, it is essential to adopt sustainable practices in the extraction of cerium and other rare earth elements to minimize their ecological impact.In conclusion, cerium is a versatile and valuable element with a wide range of applications across various industries. From automotive catalysts to advanced materials and renewable energy technologies, its significance cannot be overstated. As we continue to explore the potential of cerium, it is crucial to balance technological advancement with environmental stewardship, ensuring that we harness its benefits while protecting our planet for future generations.

铈，化学符号为Ce，是一个引人入胜的元素，属于周期表的镧系元素系列。它于1803年由瑞典化学家约恩斯·雅各布·贝尔泽留斯及其助手威廉·希辛格发现，他们从一种名为铈矿的矿石中分离出了它。cerium这个名称源于矮行星谷神星，它大约在同一时期被发现。作为最丰富的稀土元素之一，cerium在各种工业应用中发挥着至关重要的作用，尤其是在催化和材料科学方面。cerium最重要的用途之一是在汽车的催化转换器中。这些装置对于减少内燃机的有害排放至关重要。cerium氧化物作为重要的催化剂，促进了有毒气体如一氧化碳和烃类转化为较少有害的物质。这一应用不仅有助于满足环保法规，还促进了空气质量的改善。除了在催化中的作用外，cerium还广泛用于玻璃和陶瓷的生产。将cerium氧化物添加到玻璃配方中可以改善其光学性能，使其更耐紫外线并增强耐用性。这对制造高质量的玻璃器皿、镜头甚至某些类型的电子显示屏特别有利。此外，cerium在可再生能源领域也引起了关注。研究人员正在探索其在固体氧化物燃料电池（SOFC）中的潜力，在这些电池中，cerium氧化物可以作为电解质。这一应用可能导致更高效的能量转换过程，有助于可持续能源解决方案的发展。cerium独特的特性，如能够存在于多种氧化态，使其成为推进技术的宝贵材料。cerium的另一个有趣方面是其在冶金领域的应用。将cerium与其他金属合金可以显著增强其机械性能。例如，将cerium添加到铁中可以提高其抗氧化能力，并增加其在高温下的强度。这一特性在制造需要在极端条件下表现出色的部件时特别有利。尽管有许多应用，但铈的提取和加工必须负责任地进行，以应对环境问题。如果不加以妥善管理，采矿活动可能导致栖息地破坏和污染。因此，在提取cerium和其他稀土元素时，采用可持续实践以最小化生态影响至关重要。总之，cerium是一个多功能且有价值的元素，在各个行业中有着广泛的应用。从汽车催化剂到先进材料和可再生能源技术，其重要性不容小觑。随着我们继续探索cerium的潜力，平衡技术进步与环境保护至关重要，确保我们在保护地球的同时利用其好处，为未来世代创造更好的环境。