actinium

简明释义

英[ækˈtɪniəm]美[ækˈtɪniəm]

n. [化学]锕（元素符号 Ac）

英英释义

单词用法

同义词

反义词

例句

1.There are three naturally occurring radioactive series - the thorium series, the actinium series, and the uranium series.

有三个天然存在的放射系列，即钍系、锕系和铀系。

2.There are three naturally occurring radioactive series - the thorium series, the actinium series, and the uranium series.

有三个天然存在的放射系列，即钍系、锕系和铀系。

3.All are radioactive and have similar properties to actinium.

这些元素都有放射性，而且性质与锕相似。

4.In the periodic table, actinium is classified as an actinide.

在周期表中，锕被归类为锕系元素。

5.The radioactive nature of actinium makes it a subject of interest for radiochemistry studies.

锕的放射性特性使其成为放射化学研究的一个有趣主题。

6.Scientists have discovered new properties of actinium that could lead to advancements in cancer treatment.

科学家发现了锕的新特性，这可能会推动癌症治疗的进展。

7.Due to its rarity, actinium is not commonly found in nature.

由于其稀有性，锕在自然界中并不常见。

8.The element actinium is often used in research related to nuclear science.

元素锕常用于与核科学相关的研究。

作文

The study of elements in the periodic table reveals fascinating insights into the nature of matter and the universe. One such element is actinium, a silvery-white, radioactive metal that belongs to the actinide series. Discovered in 1899 by Friedrich Oskar Giesel, actinium was the first non-primordial radioactive element isolated from uranium ore. Its atomic number is 89, and it has significant historical importance in the field of nuclear chemistry.Actinium is not only intriguing because of its unique properties but also due to its applications in various fields. For instance, it plays a crucial role in radiation therapy for cancer treatment. The isotope actinium-227 is used in targeted alpha therapy (TAT), a technique that aims to destroy cancer cells while minimizing damage to surrounding healthy tissues. This application underscores the importance of studying actinium and its isotopes in medical research.In addition to its medical uses, actinium also finds applications in neutron sources. When bombarded with neutrons, actinium can produce neutrons that are useful in various scientific experiments and industrial applications. This property makes actinium a valuable resource in fields such as nuclear physics and materials science.Despite its usefulness, actinium must be handled with extreme caution due to its radioactivity. It emits alpha particles, which can be harmful if ingested or inhaled. Therefore, safety protocols are essential when working with this element. Researchers and professionals who handle actinium must wear appropriate protective gear and work in controlled environments to mitigate exposure risks.Moreover, the rarity of actinium in nature adds another layer of complexity to its study. It is typically found in trace amounts within uranium and thorium ores, making it challenging to extract and purify. As a result, the production of actinium is often limited to specialized facilities that can manage its radioactive properties safely.In summary, actinium is a remarkable element that showcases the duality of nature's wonders: its potential for healing and its inherent dangers. As research continues to advance, our understanding of actinium and its applications will likely expand, paving the way for innovative solutions in medicine and technology. The ongoing exploration of this element reflects humanity's quest for knowledge and the desire to harness the power of the elements around us. Ultimately, actinium serves as a reminder of the delicate balance between discovery and responsibility in the realm of science.

对元素周期表的研究揭示了物质和宇宙本质的迷人见解。其中一个元素是锕，一种银白色的放射性金属，属于锕系元素。它于1899年由弗里德里希·奥斯卡·吉泽尔发现，是从铀矿石中分离出的第一个非原生放射性元素。它的原子序数为89，在核化学领域具有重要的历史意义。锕不仅因为其独特的性质而引人入胜，还因其在各个领域的应用而备受关注。例如，它在癌症治疗中的放射治疗中发挥着关键作用。锕-227同位素用于靶向阿尔法疗法（TAT），这是一种旨在摧毁癌细胞，同时最小化对周围健康组织损害的技术。这一应用强调了研究锕及其同位素在医学研究中的重要性。除了医学用途外，锕还在中子源中找到应用。当被中子轰击时，锕可以产生对各种科学实验和工业应用有用的中子。这一特性使得锕在核物理和材料科学等领域成为宝贵的资源。尽管锕具有实用性，但由于其放射性，必须极其谨慎地处理。它会发出α粒子，如果摄入或吸入可能会造成伤害。因此，在处理这种元素时，安全协议至关重要。处理锕的研究人员和专业人员必须穿戴适当的防护装备，并在受控环境中工作，以减少暴露风险。此外，锕在自然界中的稀有性为其研究增添了另一层复杂性。它通常以微量存在于铀和钍矿石中，使得提取和纯化变得具有挑战性。因此，锕的生产通常限于能够安全管理其放射性特性的专门设施。总之，锕是一个非凡的元素，展示了自然奇迹的二重性：其治愈潜力和固有危险。随着研究的不断进展，我们对锕及其应用的理解可能会扩大，为医学和技术领域的创新解决方案铺平道路。对这一元素的持续探索反映了人类对知识的追求以及利用我们周围元素力量的愿望。最终，锕提醒我们在科学领域发现与责任之间的微妙平衡。