neutron fluence

简明释义

中子积分通量

英英释义

例句

1.The reactor's design must account for the expected neutron fluence (中子通量) during its operational lifetime.

反应堆的设计必须考虑其运行生命周期内预期的neutron fluence（中子通量）。

2.To ensure safety, we need to monitor the neutron fluence (中子通量) levels continuously.

为了确保安全，我们需要持续监测neutron fluence（中子通量）水平。

3.Engineers measured the neutron fluence (中子通量) to assess the damage in the material after irradiation.

工程师测量了neutron fluence（中子通量）以评估辐照后材料的损伤。

4.The research focused on the effects of high neutron fluence (中子通量) on structural integrity.

研究集中于高neutron fluence（中子通量）对结构完整性的影响。

5.The neutron fluence (中子通量) in this experiment exceeded our initial projections.

此次实验中的neutron fluence（中子通量）超过了我们的初始预测。

作文

In the field of nuclear physics and radiation engineering, understanding the concept of neutron fluence is crucial for various applications, including nuclear reactor design, radiation therapy, and materials science. Neutron fluence refers to the measure of the number of neutrons passing through a unit area during a specific time period. It is typically expressed in units of neutrons per square centimeter (n/cm²). This measurement is vital because neutrons interact with matter differently than other forms of radiation, such as alpha or beta particles. Neutrons are neutral particles, which means they do not carry an electric charge. This property allows them to penetrate materials more deeply than charged particles. As a result, the neutron fluence can significantly affect the structural integrity of materials exposed to neutron radiation. For instance, in a nuclear reactor, the components must withstand high levels of neutron fluence over extended periods. Understanding how different materials react to varying levels of neutron fluence helps engineers select appropriate materials that can endure the harsh conditions within a reactor. In radiation therapy, particularly in cancer treatment, neutron fluence plays a critical role in determining the effectiveness of the treatment. Neutrons can be used to target cancer cells more efficiently than conventional X-ray therapies. By calculating the neutron fluence, medical physicists can optimize the dosage delivered to tumors while minimizing exposure to surrounding healthy tissues. This precision is essential for improving patient outcomes and reducing side effects associated with radiation therapy. Moreover, neutron fluence is also significant in the field of materials science, especially when studying the effects of radiation on various substances. When materials are subjected to neutron radiation, they may undergo changes at the atomic level, leading to alterations in their mechanical and physical properties. By measuring the neutron fluence, researchers can better understand these changes and develop materials that are more resistant to radiation damage. This is particularly important for industries that rely on materials exposed to high radiation levels, such as aerospace and nuclear energy. The calculation of neutron fluence involves complex equations and models, taking into account factors such as the energy of the neutrons, the type of material being irradiated, and the geometry of the experimental setup. Advanced detection techniques are employed to measure neutron fluence accurately, ensuring that data collected is reliable and can be used for further research and development. In conclusion, neutron fluence is a fundamental concept in nuclear physics and engineering, impacting various fields from reactor design to medical treatments and materials research. A thorough understanding of neutron fluence helps scientists and engineers make informed decisions regarding safety, efficiency, and efficacy in their respective domains. As technology advances, the importance of accurately measuring and interpreting neutron fluence will only continue to grow, paving the way for innovations that harness the power of neutrons for beneficial applications.

在核物理和辐射工程领域，理解“中子通量”的概念对核反应堆设计、放射治疗和材料科学等各种应用至关重要。“中子通量”是指在特定时间内通过单位面积的中子数量的测量。它通常以每平方厘米中子的数量（n/cm²）表示。这个测量是至关重要的，因为中子与物质的相互作用方式与其他形式的辐射（如阿尔法或贝塔粒子）不同。中子是中性粒子，这意味着它们不带电荷。这一属性使得它们能够比带电粒子更深入地穿透材料。因此，中子通量可能会显著影响暴露于中子辐射的材料的结构完整性。例如，在核反应堆中，组件必须承受高水平的中子通量，并持续很长时间。了解不同材料对不同水平的中子通量的反应有助于工程师选择合适的材料，以承受反应堆内部的恶劣环境。在放射治疗中，特别是在癌症治疗中，中子通量在确定治疗效果方面起着关键作用。中子可以用于比传统的X射线疗法更有效地靶向癌细胞。通过计算中子通量，医用物理学家可以优化输送到肿瘤的剂量，同时最小化对周围健康组织的暴露。这种精确性对于改善患者结果和减少与放射治疗相关的副作用至关重要。此外，中子通量在材料科学领域也很重要，特别是在研究辐射对各种物质的影响时。当材料受到中子辐射时，它们可能在原子级别上发生变化，导致机械和物理性质的改变。通过测量中子通量，研究人员可以更好地理解这些变化，并开发出对辐射损伤更具抵抗力的材料。这对于依赖于暴露于高辐射水平的材料的行业（如航空航天和核能）尤为重要。中子通量的计算涉及复杂的方程式和模型，考虑到中子的能量、被辐照材料的类型以及实验设置的几何形状等因素。采用先进的检测技术来准确测量中子通量，确保收集的数据可靠，并可用于进一步的研究和开发。总之，中子通量是核物理和工程中的一个基本概念，影响着从反应堆设计到医疗治疗和材料研究等各个领域。全面理解中子通量有助于科学家和工程师在各自领域做出关于安全性、效率和有效性的明智决策。随着技术的发展，准确测量和解释中子通量的重要性只会继续增长，为利用中子的力量进行有益应用铺平道路。