heavy element

简明释义

重元素

英英释义

例句

1.The study of heavy elements (重元素) is crucial for understanding the formation of stars and galaxies.

对重元素（重元素）的研究对于理解恒星和星系的形成至关重要。

2.The nuclear reactor uses a variety of fuels, including uranium, which is classified as a heavy element (重元素).

核反应堆使用多种燃料，包括铀，这被归类为重元素（重元素）。

3.Certain heavy elements (重元素) can be toxic to humans and require careful handling.

某些重元素（重元素）对人类有毒，需谨慎处理。

4.Scientists are exploring the use of heavy elements (重元素) in advanced materials for aerospace applications.

科学家们正在探索在航空航天应用中使用重元素（重元素）制造先进材料。

5.In chemistry, heavy elements (重元素) often exhibit unique properties that differ from lighter elements.

在化学中，重元素（重元素）通常表现出与轻元素不同的独特性质。

作文

In the realm of chemistry and physics, the term heavy element refers to elements that have a high atomic mass compared to other elements. These elements often possess unique properties that distinguish them from lighter elements. For instance, many heavy elements are found at the bottom of the periodic table, such as lead, uranium, and gold. Their higher atomic weights contribute to their density and stability, making them essential in various industrial applications. One significant aspect of heavy elements is their role in nuclear reactions. Elements like uranium and plutonium are crucial for nuclear power generation and weaponry. The process of nuclear fission, where the nucleus of a heavy element splits into smaller parts, releases a tremendous amount of energy. This characteristic makes heavy elements both powerful and potentially dangerous, highlighting the importance of handling them with care. In addition to their nuclear applications, heavy elements also play vital roles in medicine and technology. For example, barium, a heavy element, is used in medical imaging to help visualize the gastrointestinal tract during X-ray examinations. Similarly, gold, another heavy element, is utilized in electronics due to its excellent conductivity and resistance to corrosion. These applications demonstrate how heavy elements are not only fundamental to scientific research but also integral to everyday life. However, the extraction and use of heavy elements come with environmental and ethical considerations. Mining operations for these elements can result in habitat destruction and pollution. Moreover, the disposal of radioactive waste from nuclear power plants poses significant challenges for sustainability. As society continues to rely on heavy elements, it becomes increasingly important to develop environmentally friendly practices and technologies to mitigate these impacts. In conclusion, heavy elements are essential components of our world, contributing to various fields such as energy, medicine, and technology. Their unique properties and applications underscore the need for responsible management and innovation. As we delve deeper into the study of heavy elements, it is crucial to balance their benefits with the potential risks they pose to our environment and health. Understanding and mastering the implications of heavy elements will undoubtedly shape the future of science and industry.

在化学和物理学领域，术语重元素指的是与其他元素相比具有高原子质量的元素。这些元素通常具有独特的性质，使它们与轻元素区分开来。例如，许多重元素位于周期表的底部，如铅、铀和金。它们较高的原子量使它们的密度和稳定性增强，从而在各种工业应用中变得至关重要。重元素的一个重要方面是它们在核反应中的作用。像铀和钚这样的元素对核能发电和武器制造至关重要。核裂变的过程，即重元素的原子核分裂成更小的部分，会释放出巨大的能量。这一特性使得重元素既强大又可能危险，突显了谨慎处理它们的重要性。除了核应用外，重元素在医学和技术中也发挥着重要作用。例如，钡作为一种重元素，用于医学成像，以帮助在X光检查中可视化消化道。类似地，金作为另一种重元素，因其优良的导电性和耐腐蚀性而被广泛应用于电子产品。这些应用展示了重元素不仅是科学研究的基础，而且是日常生活中不可或缺的一部分。然而，提取和使用重元素伴随着环境和伦理方面的考量。这些元素的采矿作业可能导致栖息地破坏和污染。此外，核电站产生的放射性废物的处置给可持续性带来了重大挑战。随着社会对重元素的依赖不断加深，开发环保的实践和技术以减轻这些影响变得愈发重要。总之，重元素是我们世界的重要组成部分，对能源、医学和技术等多个领域做出了贡献。它们独特的性质和应用凸显了负责任管理和创新的必要性。随着我们深入研究重元素，在享受其带来的好处的同时，平衡它们对环境和健康可能造成的风险将变得至关重要。理解和掌握重元素的影响无疑将塑造科学和工业的未来。