actinoid

简明释义

英[ˈæktɪˌnɔɪd]美[ˈæktənɔɪd]

n. [化学] 锕系元素

adj. [动] 放射线状的

英英释义

单词用法

同义词

反义词

例句

1.This review summaries the application of ion exchangers in the separation and determination of alkali metals, alkali-earth metals, noble metals, rare earth elements and actinoid.

离子交换剂在萃取色谱中得到了广泛的应用，本文详细总结了离子交换剂在分析化学中用于碱金属、碱土金属、贵金属、稀土元素、锕系元素等的分离与测定。

2.This review summaries the application of ion exchangers in the separation and determination of alkali metals, alkali-earth metals, noble metals, rare earth elements and actinoid.

离子交换剂在萃取色谱中得到了广泛的应用，本文详细总结了离子交换剂在分析化学中用于碱金属、碱土金属、贵金属、稀土元素、锕系元素等的分离与测定。

3.The problem of collecting and delivery shunting of non-through wagon flow on the actinoid private line belongs to a kind of the combinatorial optimization problems.

放射形专用线非直达车流取送车问题属于一类组合优化问题，影响因素较多。

4.Research on actinoid behavior in various chemical environments is ongoing.

对锕系在各种化学环境中行为的研究仍在进行中。

5.In nuclear chemistry, actinoid isotopes are often used in research and energy production.

在核化学中，锕系同位素常用于研究和能源生产。

6.Many actinoid compounds exhibit interesting magnetic properties.

许多锕系化合物表现出有趣的磁性。

7.The actinoid series starts with actinium and includes elements like uranium and plutonium.

锕系系列以锕为起始元素，包括铀和钚等元素。

8.The actinoid elements are known for their complex electron configurations.

这些锕系元素因其复杂的电子配置而闻名。

作文

The term actinoid refers to a group of elements in the periodic table that are characterized by their similar properties and their position in the f-block of the table. These elements, which include uranium, thorium, and plutonium, are known for their complex electron configurations and radioactive properties. The actinoid series consists of 15 elements, ranging from actinium (Ac) with atomic number 89 to lawrencium (Lr) with atomic number 103. Understanding the significance of actinoids is crucial for various fields including nuclear chemistry, physics, and environmental science.One of the most notable characteristics of actinoids is their radioactivity. All actinoid elements are unstable and decay over time, releasing radiation in the process. This property makes them both fascinating and hazardous. For instance, uranium-235, one of the isotopes of uranium, is widely used as fuel in nuclear reactors and is also a key material in the development of nuclear weapons. The study of actinoids has led to significant advancements in energy production, but it has also raised concerns regarding safety and environmental impact.In addition to their radioactivity, actinoids exhibit unique chemical behaviors. They tend to form compounds with a wide range of oxidation states, which allows them to participate in various chemical reactions. For example, thorium can exist in the +4 oxidation state, while uranium can be found in both +4 and +6 states. This versatility in oxidation states is a defining feature of actinoids and plays a vital role in their chemistry.The extraction and processing of actinoid elements pose significant challenges. Due to their radioactivity, handling these materials requires specialized equipment and strict safety protocols. Researchers and industries involved in mining and refining actinoids must adhere to regulations designed to protect workers and the environment. Moreover, the disposal of radioactive waste generated from actinoid materials remains a pressing issue, necessitating ongoing research into safe and effective methods.Despite the challenges associated with actinoids, their applications are extensive. Beyond energy production, actinoids are used in medical imaging and treatment, particularly in cancer therapies. Radioisotopes derived from actinoids can target and destroy malignant cells, offering hope for patients undergoing treatment. Additionally, research into the properties of actinoids continues to yield new discoveries that enhance our understanding of the universe and the fundamental forces of nature.In conclusion, the study of actinoids is a multifaceted field that bridges chemistry, physics, and environmental science. While they present certain risks, their potential benefits in energy production and medicine cannot be overlooked. As we continue to explore the properties and applications of actinoids, it is essential to balance innovation with safety and environmental stewardship. The future of actinoids will undoubtedly play a critical role in shaping advancements in technology and healthcare, making it a vital area of study for scientists and researchers alike.

术语actinoid指的是周期表中一组具有相似特性的元素，它们位于表的f区。这些元素包括铀、钍和钚，以其复杂的电子配置和放射性特性而闻名。actinoid系列由15种元素组成，从原子序数为89的锕（Ac）到原子序数为103的洛伦兹（Lr）。理解actinoids的重要性对于核化学、物理学和环境科学等多个领域至关重要。actinoids最显著的特征之一是它们的放射性。所有actinoid元素都是不稳定的，随着时间的推移会衰变，并在此过程中释放辐射。这一特性使它们既引人入胜又危险。例如，铀-235是铀的一种同位素，广泛用于核反应堆中，也是核武器开发的关键材料。对actinoids的研究促进了能源生产的重大进展，但也引发了关于安全性和环境影响的担忧。除了放射性外，actinoids还表现出独特的化学行为。它们倾向于形成具有多种氧化态的化合物，使其能够参与各种化学反应。例如，钍可以存在于+4氧化态，而铀可以在+4和+6状态下存在。这种氧化态的多样性是actinoids的一个决定性特征，并在其化学中发挥着重要作用。提取和加工actinoid元素面临重大挑战。由于它们的放射性，处理这些材料需要专业设备和严格的安全规程。参与矿山开采和精炼actinoids的研究人员和行业必须遵守旨在保护工人和环境的法规。此外，从actinoid材料中产生的放射性废物的处置仍然是一个紧迫的问题，需要持续研究安全有效的方法。尽管与actinoids相关的挑战，但它们的应用范围广泛。除了能源生产外，actinoids还用于医学成像和治疗，特别是在癌症疗法中。源自actinoids的放射性同位素可以靶向并摧毁恶性细胞，为接受治疗的患者带来希望。此外，对actinoids特性的研究继续产生新的发现，增强我们对宇宙和自然基本力量的理解。总之，对actinoids的研究是一个多方面的领域，连接了化学、物理学和环境科学。虽然它们确实带来了一定的风险，但在能源生产和医学领域的潜在好处不容忽视。随着我们继续探索actinoids的性质和应用，平衡创新与安全和环境管理是至关重要的。actinoids的未来无疑将在塑造技术和医疗保健的进步中发挥关键作用，使其成为科学家和研究人员的重要研究领域。