radioisotopic generator

简明释义

原子电池

英英释义

例句

1.Researchers are studying the efficiency of new materials for radioisotopic generators to improve their performance.

研究人员正在研究新材料在放射性同位素发电机中的效率，以提高其性能。

2.The radioisotopic generator has been instrumental in powering deep-space probes that explore distant planets.

这个放射性同位素发电机在为探索遥远行星的深空探测器提供动力方面发挥了重要作用。

3.In remote areas, a radioisotopic generator can be used to power scientific instruments without the need for solar energy.

在偏远地区，可以使用放射性同位素发电机为科学仪器供电，而无需依赖太阳能。

4.The spacecraft was equipped with a radioisotopic generator to provide a continuous power source during its long mission.

这艘宇宙飞船配备了一个放射性同位素发电机，以在其长时间的任务中提供持续的电源。

5.A radioisotopic generator can operate for many years without needing maintenance, making it ideal for space missions.

一个放射性同位素发电机可以在多年内无需维护地运行，这使其非常适合太空任务。

作文

In the realm of modern science and technology, the term radioisotopic generator refers to a device that converts the energy released from radioactive decay into usable electrical power. This innovative technology has become increasingly important in various fields, including space exploration, medical applications, and remote power generation. Understanding the significance and functionality of a radioisotopic generator is crucial for appreciating its contributions to both scientific advancement and practical applications.A radioisotopic generator operates based on the principles of radioactivity. It utilizes isotopes that emit radiation as they decay over time. These isotopes are typically selected for their long half-lives, which allows them to provide a steady and reliable source of energy over extended periods. For instance, one of the most commonly used isotopes in radioisotopic generators is Plutonium-238. This isotope has a half-life of about 87.7 years, making it ideal for applications where long-lasting power is essential.The core mechanism of a radioisotopic generator involves the conversion of heat produced by radioactive decay into electricity. As the radioactive material decays, it generates heat, which is then harnessed through thermoelectric converters. These converters work on the principle of the Seebeck effect, where a temperature difference across a conductor produces an electric voltage. This process allows the radioisotopic generator to produce continuous electrical power without the need for solar energy or conventional fuel sources.One of the most notable applications of radioisotopic generators is in space missions. NASA has utilized these devices in several spacecraft, including the Voyager probes and the Mars rovers. In environments where solar power is insufficient or unreliable, such as deep space or shadowed regions of celestial bodies, radioisotopic generators provide a dependable source of energy. This capability has enabled scientists to conduct long-term research and exploration beyond Earth's orbit, significantly expanding our understanding of the universe.In addition to space exploration, radioisotopic generators also play a vital role in medical applications. They are used in some types of medical imaging equipment and in certain therapeutic treatments. For example, certain isotopes can be used to target and destroy cancer cells while minimizing damage to surrounding healthy tissue. The reliability and longevity of radioisotopic generators make them suitable for use in medical devices that require consistent power over time, ensuring that patients receive accurate diagnoses and effective treatments.Moreover, radioisotopic generators have potential applications in remote areas where conventional power sources are not feasible. They can provide electricity to remote research stations, weather monitoring systems, and even small communities that lack access to a stable power grid. By harnessing the power of radioactive decay, these generators offer a sustainable and efficient solution to energy needs in challenging environments.In conclusion, the radioisotopic generator represents a remarkable intersection of science and technology, enabling advancements in space exploration, medical applications, and remote power generation. Its ability to produce reliable electrical power from radioactive decay has made it an invaluable tool in various fields. As we continue to explore new frontiers in science and technology, the importance of understanding and utilizing radioisotopic generators will only grow, paving the way for further innovations and discoveries that can benefit humanity as a whole.

在现代科学和技术领域，短语放射性同位素发电机指的是一种将放射性衰变释放的能量转化为可用电力的设备。这项创新技术在多个领域变得越来越重要，包括太空探索、医疗应用和远程发电。理解放射性同位素发电机的重要性和功能对于欣赏其对科学进步和实际应用的贡献至关重要。放射性同位素发电机基于放射性的原理运作。它利用衰变过程中释放辐射的同位素。这些同位素通常因其较长的半衰期而被选择，使其能够在较长时间内提供稳定可靠的能量来源。例如，最常用的放射性同位素发电机中的同位素是钚-238。该同位素的半衰期约为87.7年，非常适合需要持久电力的应用。放射性同位素发电机的核心机制涉及将放射性衰变产生的热量转化为电力。当放射性物质衰变时，它会产生热量，这些热量通过热电转换器被收集。热电转换器的工作原理基于塞贝克效应，即导体上的温差会产生电压。这一过程使得放射性同位素发电机能够在不需要太阳能或传统燃料的情况下持续产生电力。放射性同位素发电机最显著的应用之一是在太空任务中。美国宇航局在多艘航天器中使用了这些设备，包括旅行者探测器和火星探测车。在太阳能不足或不可靠的环境中，例如深空或天体的阴影区域，放射性同位素发电机提供了可靠的能源来源。这种能力使科学家能够进行长期研究和超出地球轨道的探索，显著扩展了我们对宇宙的理解。除了太空探索，放射性同位素发电机在医疗应用中也发挥着重要作用。它们用于某些类型的医学成像设备和某些治疗方法。例如，某些同位素可以用来靶向并摧毁癌细胞，同时最小化对周围健康组织的损害。放射性同位素发电机的可靠性和持久性使其适合用于需要持续电力的医疗设备，确保患者获得准确的诊断和有效的治疗。此外，放射性同位素发电机在常规电源不可行的偏远地区也具有潜在应用。它们可以为偏远研究站、气象监测系统甚至缺乏稳定电网的小社区提供电力。通过利用放射性衰变的能量，这些发电机为在困难环境中的能源需求提供了一种可持续和高效的解决方案。总之，放射性同位素发电机代表了科学与技术的一个显著交汇点，使太空探索、医疗应用和远程发电的进步成为可能。它从放射性衰变中产生可靠电力的能力使其成为各个领域中不可或缺的工具。随着我们继续探索科学和技术的新领域，理解和利用放射性同位素发电机的重要性只会增加，为进一步的创新和发现铺平道路，从而造福整人类。