capture of neutron

简明释义

中子俘获

英英释义

例句

1.In a nuclear reactor, the capture of neutron 中子俘获 is essential for maintaining the chain reaction.

在核反应堆中，中子俘获 capture of neutron 对维持链式反应至关重要。

2.The capture of neutron 中子俘获 can lead to the formation of heavier isotopes.

中子俘获 capture of neutron 可能导致更重同位素的形成。

3.The efficiency of a reactor depends significantly on the capture of neutron 中子俘获 by fuel materials.

反应堆的效率在很大程度上取决于燃料材料对中子俘获 capture of neutron 的能力。

4.The process of nuclear fission involves the capture of neutron 中子俘获 by a heavy nucleus.

核裂变过程涉及重核对中子俘获的capture of neutron。

5.Research on the capture of neutron 中子俘获 helps improve nuclear medicine techniques.

对中子俘获 capture of neutron 的研究有助于改善核医学技术。

作文

The process of nuclear reactions is a fascinating subject that has significant implications for both energy production and scientific research. One of the critical aspects of these reactions is the capture of neutron, a phenomenon that occurs when a neutron collides with a nucleus and is absorbed by it. This process can lead to various outcomes, including the creation of heavier isotopes or the initiation of further nuclear reactions. Understanding the capture of neutron is essential for developing nuclear reactors and advancing our knowledge of nuclear physics.Neutrons are neutral particles found in the nucleus of an atom, and they play a crucial role in maintaining the stability of the nucleus. When a neutron is captured by a nucleus, it can change the atomic mass of the atom, leading to the formation of a new isotope. This process is particularly important in the context of nuclear fission and fusion, where the capture of neutron can trigger a chain reaction that releases a tremendous amount of energy.In nuclear reactors, the capture of neutron is utilized to sustain the fission process. Uranium-235 and Plutonium-239 are two isotopes that are commonly used as fuel in nuclear reactors. When these isotopes absorb neutrons, they become unstable and can split into smaller nuclei, releasing energy in the form of heat. This heat is then used to produce steam, which drives turbines to generate electricity. The efficiency of this process heavily relies on the ability to control the capture of neutron, ensuring that the reaction remains stable and does not escalate uncontrollably.Moreover, the capture of neutron is also significant in the field of nuclear medicine. Certain isotopes that result from neutron capture are used in medical imaging and cancer treatment. For instance, Boron Neutron Capture Therapy (BNCT) is a targeted cancer treatment that involves the selective accumulation of boron-10 in tumor cells. When these cells are exposed to thermal neutrons, the capture of neutron leads to a nuclear reaction that produces high-energy alpha particles, effectively destroying the cancerous cells while sparing surrounding healthy tissue.The study of neutron capture is not limited to practical applications; it also provides insights into the fundamental processes of our universe. Neutron capture processes are thought to be responsible for the formation of many heavy elements in stars through nucleosynthesis. During supernova explosions, the rapid capture of neutron by lighter elements contributes to the creation of heavier elements, which are then dispersed into space, enriching the interstellar medium and eventually forming new stars and planets.In conclusion, the capture of neutron is a vital concept in nuclear physics that has far-reaching implications across various fields. From energy production in nuclear reactors to advancements in medical treatments and our understanding of cosmic phenomena, the significance of neutron capture cannot be overstated. As we continue to explore the intricacies of atomic interactions, the capture of neutron will undoubtedly remain a key area of research, driving innovations and expanding our comprehension of the universe around us.

核反应的过程是一个迷人的主题，对能源生产和科学研究都有重要影响。其中一个关键方面是中子捕获，这是指中子与原子核碰撞并被其吸收的现象。这个过程可以导致各种结果，包括重同位素的产生或进一步核反应的启动。理解中子捕获对于开发核反应堆和推进我们对核物理的认识至关重要。中子是原子核中的中性粒子，它们在维持原子核的稳定性方面发挥着关键作用。当一个中子被一个原子核捕获时，它可以改变原子的原子质量，导致新同位素的形成。在核裂变和核聚变的背景下，这个过程尤其重要，因为中子捕获可以触发释放出巨大能量的链式反应。在核反应堆中，中子捕获被用于维持裂变过程。铀-235和钚-239是两种常用作核反应堆燃料的同位素。当这些同位素吸收中子时，它们变得不稳定，可以分裂成更小的原子核，释放出热量。这种热量随后用于产生蒸汽，驱动涡轮机发电。这个过程的效率在很大程度上依赖于对中子捕获的控制，确保反应保持稳定而不会失控。此外，中子捕获在核医学领域也具有重要意义。某些由中子捕获产生的同位素被用于医学成像和癌症治疗。例如，硼中子捕获疗法（BNCT）是一种靶向癌症治疗方法，涉及到硼-10在肿瘤细胞中的选择性积累。当这些细胞暴露于热中子时，中子捕获导致核反应，产生高能α粒子，有效摧毁癌细胞，同时保护周围健康组织。对中子捕获的研究不仅限于实际应用；它还提供了对我们宇宙基本过程的深入了解。中子捕获过程被认为负责通过核合成在恒星中形成许多重元素。在超新星爆炸期间，轻元素的快速中子捕获有助于重元素的形成，这些元素随后被散布到太空中，丰富了星际介质，并最终形成新星和行星。总之，中子捕获是核物理学中的一个重要概念，在各个领域具有深远的影响。从核反应堆中的能源生产到医学治疗的进步，以及我们对宇宙现象的理解，中子捕获的重要性不容低估。随着我们继续探索原子相互作用的复杂性，中子捕获无疑将继续成为一个关键研究领域，推动创新并扩展我们对周围宇宙的理解。