radiative stopping power

简明释义

辐射阻止本领

英英释义

例句

1.The radiative stopping power (辐射能量损失能力) of heavy ions is significantly different from that of lighter ions.

重离子的辐射能量损失能力 (辐射能量损失能力) 与轻离子有显著不同。

2.In particle physics, the concept of radiative stopping power (辐射能量损失能力) is crucial for understanding how particles lose energy as they travel through matter.

在粒子物理学中，辐射能量损失能力 (辐射能量损失能力) 的概念对于理解粒子在物质中移动时如何损失能量至关重要。

3.Researchers measured the radiative stopping power (辐射能量损失能力) of various materials to determine their effectiveness in radiation therapy.

研究人员测量了各种材料的辐射能量损失能力 (辐射能量损失能力) 以确定它们在放射治疗中的有效性。

4.Understanding the radiative stopping power (辐射能量损失能力) helps in designing better shielding materials for radiation protection.

理解辐射能量损失能力 (辐射能量损失能力) 有助于设计更好的辐射防护屏蔽材料。

5.The formula for calculating the radiative stopping power (辐射能量损失能力) includes factors such as atomic number and energy of the incident particle.

计算辐射能量损失能力 (辐射能量损失能力) 的公式包括原子序数和入射粒子的能量等因素。

作文

In the field of physics, particularly in the study of particle interactions with matter, the concept of radiative stopping power plays a crucial role. This term refers to the ability of a material to slow down charged particles as they pass through it, primarily due to the emission of electromagnetic radiation. Understanding radiative stopping power is essential for various applications, including radiation therapy in medicine, nuclear physics, and even space exploration. When charged particles, such as electrons or protons, travel through a medium, they lose energy through two primary mechanisms: collisional losses and radiative losses. The collisional losses occur due to interactions with the atoms in the material, while the radiative losses are associated with the emission of photons, particularly when particles are accelerated or decelerated by the electric fields of atoms. The radiative stopping power quantifies this energy loss per unit distance traveled by the particle. One significant aspect of radiative stopping power is its dependence on the particle's velocity. As particles move faster, the amount of energy lost to radiation increases. This phenomenon is particularly pronounced in high-energy physics, where particles can reach speeds close to the speed of light. In such cases, the radiative stopping power becomes a critical factor in determining how materials behave under extreme conditions, such as those found in particle accelerators or during cosmic events. In practical applications, the knowledge of radiative stopping power is vital for designing shielding materials that protect against harmful radiation. For instance, in radiation therapy, understanding how different tissues absorb radiation can help optimize treatment plans for cancer patients. By selecting appropriate materials and dosages, medical professionals can ensure that the maximum dose is delivered to tumor cells while minimizing damage to surrounding healthy tissues. Furthermore, in the context of space exploration, spacecraft must be designed to withstand the harsh environments of space, where they are exposed to high-energy particles from cosmic rays. Engineers must consider the radiative stopping power of various materials when constructing protective shields to safeguard astronauts and sensitive equipment from radiation damage. In conclusion, the concept of radiative stopping power is integral to our understanding of particle interactions with matter. It has far-reaching implications across multiple disciplines, including medicine, nuclear physics, and engineering. By continuing to study and refine our understanding of radiative stopping power, we can enhance our ability to protect against radiation and improve technologies that rely on particle interactions. As research progresses, the insights gained will undoubtedly lead to advancements that benefit society as a whole.

在物理学领域，特别是在粒子与物质相互作用的研究中，概念辐射阻止能力起着至关重要的作用。这个术语指的是材料减缓带电粒子通过时的能力，主要是由于电磁辐射的发射。理解辐射阻止能力对于各种应用至关重要，包括医学中的放射治疗、核物理学甚至太空探索。当带电粒子（如电子或质子）穿过介质时，它们通过两种主要机制失去能量：碰撞损失和辐射损失。碰撞损失是由于与材料中的原子相互作用而发生的，而辐射损失则与粒子在原子的电场中加速或减速时发射光子的过程有关。辐射阻止能力量化了粒子每单位距离旅行所失去的能量。辐射阻止能力的一个重要方面是它对粒子速度的依赖性。当粒子运动得更快时，辐射损失的能量增加。这种现象在高能物理学中尤为明显，在这种情况下，粒子可以达到接近光速的速度。在这种情况下，辐射阻止能力成为确定材料在极端条件下行为的关键因素，例如在粒子加速器或宇宙事件中发现的条件。在实际应用中，了解辐射阻止能力对于设计保护材料以抵御有害辐射至关重要。例如，在放射治疗中，了解不同组织吸收辐射的方式可以帮助优化癌症患者的治疗方案。通过选择合适的材料和剂量，医疗专业人员可以确保最大剂量传递给肿瘤细胞，同时最小化对周围健康组织的损害。此外，在太空探索的背景下，航天器必须设计成能够承受太空的恶劣环境，在那里它们暴露于来自宇宙射线的高能粒子。工程师在构建保护屏障时必须考虑各种材料的辐射阻止能力，以保护宇航员和敏感设备免受辐射损伤。总之，辐射阻止能力的概念对于我们理解粒子与物质的相互作用至关重要。它在医学、核物理学和工程等多个学科中具有深远的影响。通过继续研究和完善我们对辐射阻止能力的理解，我们可以增强保护免受辐射的能力，并改善依赖粒子相互作用的技术。随着研究的进展，获得的见解无疑将导致对整个社会有益的进步。