samarium

简明释义

英[səˈmeəriəm]美[səˈmeriəm]

n. [化学] 钐（一种稀有金属元素）

英英释义

单词用法

同义词

反义词

例句

1.Moog offers a choice of Alnico or Samarium Cobalt magnet materials to satisfy most any requirement.

穆格提供铝镍钴和钐钴永磁材料的选择，以满足大多数的任何要求。

2.In chapter one, at first, we simply outlined some reactions promoted by samarium diiodide in recent years.

第一章，首先我们综述了近几年来二碘化钐促进的有机反应在有机合成中的应用。

3.Samarium salicylate is synthesized by the rheological phase reaction method.

用流变相合成了水杨酸钐。

4.USES: Used for making metallic samarium, permanent magnetic material and electronic devices, etc.

用途：供制作金属钐、永磁材料、电子器件等用。

5.Samarium and manganese co-doped zinc borosilicate storage glasses were prepared by high temperature solid state method.

使用高温固相法合成了钐锰共激活的硼硅锌玻璃。

6.The source, influence and control of the impurity elements in samarium are described in this paper.

本文在实验的基础上论述了钐中杂质的来源，影响及控制方法。

7.But rather than test the radioactive decay using just one method, the researchers used three, involving the elements lead, samarium and neodymium.

但是，相对于仅使用一个方法测试放射性衰变，研究人员测定时使用了三种元素，铅，钐，钕。

8.The new magnet design incorporates samarium (钐) to enhance its magnetic properties.

新的磁铁设计采用了samarium (钐) 来增强其磁性特性。

9.Researchers discovered that samarium (钐) can be used in certain types of lasers.

研究人员发现samarium (钐) 可以用于某些类型的激光器。

10.The electronic components in this device contain samarium (钐) for improved performance.

该设备中的电子元件含有samarium (钐) 以提高性能。

11.In geology, samarium (钐) is used for dating rocks and minerals.

在地质学中，samarium (钐) 被用于岩石和矿物的年代测定。

12.The alloy made from samarium (钐) and cobalt is known for its strength and stability.

由samarium (钐) 和钴制成的合金以其强度和稳定性而闻名。

作文

Samarium is a rare earth element that has gained significant attention in various fields, particularly in materials science and electronics. This element, represented by the symbol Sm on the periodic table, is known for its unique properties that make it valuable in numerous applications. One of the most notable characteristics of samarium (钐) is its ability to produce strong magnetic fields when alloyed with other metals. This property has led to the development of high-performance permanent magnets, which are essential in many modern technologies, including electric motors, hard disk drives, and even wind turbines. The discovery of samarium (钐) dates back to the 19th century when it was isolated from the mineral samarskite. Named after the Russian mining engineer Vasily Samarsky-Bykhovets, samarium (钐) is one of the lanthanide series elements that exhibit similar chemical behavior. Over the years, researchers have focused on understanding the properties and potential uses of this fascinating element. Its ability to absorb neutrons makes it useful in nuclear reactors, where it helps control the fission process and enhances safety. In addition to its applications in technology and energy, samarium (钐) also plays a role in the field of medicine. It is used in certain types of cancer treatment, particularly in targeted radiotherapy. The isotope samarium (钐)-153 is employed in pain relief for patients with bone metastases, showcasing the element's versatility beyond industrial uses. Moreover, the demand for samarium (钐) has increased due to the rise of renewable energy technologies. As the world shifts towards sustainable energy sources, the need for efficient storage solutions becomes crucial. Samarium (钐)-cobalt magnets, known for their high resistance to demagnetization, are ideal for use in electric vehicles and wind generators, thus contributing to a greener future. However, the extraction and processing of samarium (钐) pose environmental challenges. Mining activities can lead to habitat destruction and pollution if not managed properly. As such, researchers are exploring more sustainable methods of obtaining this element, including recycling from electronic waste. This approach not only helps conserve natural resources but also reduces the ecological footprint associated with mining. In conclusion, samarium (钐) is an element with remarkable properties that extend its usefulness across various domains, from technology to medicine. Understanding its significance and potential applications allows us to appreciate the role that rare earth elements play in shaping our modern world. As we continue to innovate and seek sustainable solutions, samarium (钐) will undoubtedly remain a key player in the advancement of new technologies and the improvement of our quality of life.