nuclear fission

简明释义

原子核分裂

英英释义

例句

1.The process of nuclear fission is crucial for generating electricity in nuclear power plants.

在核电站中，核裂变的过程对发电至关重要。

2.Scientists are studying nuclear fission to develop safer and more efficient energy sources.

科学家们正在研究核裂变以开发更安全、更高效的能源。

3.The chain reaction initiated by nuclear fission can release a tremendous amount of energy.

由核裂变引发的链式反应可以释放出巨大的能量。

4.During World War II, the discovery of nuclear fission led to the development of atomic bombs.

在第二次世界大战期间，核裂变的发现导致了原子弹的发展。

5.Research on nuclear fission has led to advancements in both energy production and medical applications.

对核裂变的研究促进了能源生产和医学应用的进步。

作文

Nuclear energy is one of the most powerful sources of energy that we have discovered. At the heart of this energy production lies a complex process known as nuclear fission. In simple terms, nuclear fission (核裂变) refers to the process where the nucleus of an atom splits into smaller parts, releasing a significant amount of energy in the form of heat and radiation. This process is fundamental to the functioning of nuclear reactors and the generation of nuclear power. To understand nuclear fission better, we can look at its basic mechanics. Typically, it involves heavy elements such as uranium-235 or plutonium-239. When these nuclei absorb a neutron, they become unstable and split into two or more smaller nuclei, along with additional neutrons and a large release of energy. The newly released neutrons can then initiate further fission reactions, leading to a chain reaction that can produce a substantial amount of energy. The implications of nuclear fission are vast. On one hand, it has enabled us to generate electricity on a massive scale. Nuclear power plants utilize this process to convert water into steam, which drives turbines to generate electricity. This method of energy production is considered to be more efficient and produces less greenhouse gas emissions compared to fossil fuels, making it an attractive option in the fight against climate change. However, the use of nuclear fission also comes with significant risks and challenges. The potential for catastrophic accidents, such as those seen in Chernobyl and Fukushima, raises serious concerns about the safety of nuclear power plants. Additionally, the management of radioactive waste produced from nuclear fission is a critical issue that requires careful handling and long-term storage solutions. These challenges have led to public skepticism and debate regarding the future of nuclear energy. Moreover, nuclear fission is not only a source of energy but also a component of nuclear weapons. The same principles that allow for energy production can be harnessed to create devastating bombs, which poses a significant threat to global security. The dual-use nature of nuclear fission complicates international relations and necessitates stringent regulations and oversight to prevent the proliferation of nuclear weapons. In conclusion, nuclear fission (核裂变) is a powerful process that has transformed our approach to energy production. While it offers a pathway to cleaner energy, it also presents serious risks that must be managed responsibly. As we continue to explore sustainable energy options, understanding the complexities of nuclear fission will be crucial in shaping a safe and secure energy future for generations to come.