linear stopping power

简明释义

线性阻止本领

英英释义

例句

1.In particle physics, understanding linear stopping power helps predict particle behavior in matter.

在粒子物理学中，理解线性阻止能力有助于预测粒子在物质中的行为。

2.The linear stopping power of a substance determines how effectively it can attenuate radiation.

线性阻止能力决定了一种物质对辐射的衰减效果。

3.When designing a shield, engineers must calculate the linear stopping power of the materials used.

在设计屏蔽时，工程师必须计算所用材料的线性阻止能力。

4.The concept of linear stopping power is crucial in the field of radiation physics.

在辐射物理学领域，线性阻止能力的概念至关重要。

5.Different materials exhibit varying linear stopping power, affecting their suitability for radiation protection.

不同材料表现出不同的线性阻止能力，影响其在辐射防护中的适用性。

作文

In the field of physics and engineering, understanding the concept of linear stopping power is crucial for various applications, particularly in radiation physics and materials science. The term refers to the ability of a material to slow down and absorb energy from charged particles as they pass through it. This phenomenon is not only important for theoretical studies but also has practical implications in areas such as medical imaging, radiation therapy, and safety measures in nuclear technology.When a charged particle, like an electron or proton, travels through a medium, it interacts with the atoms of that medium. Each interaction results in energy loss, which can be quantified as the linear stopping power of the material. This value is defined as the energy lost per unit distance traveled by the particle. Therefore, it provides insight into how effective a material is at decelerating high-energy particles.The significance of linear stopping power becomes evident when we consider its applications in radiation therapy for cancer treatment. In this context, medical professionals aim to deliver maximum energy to cancerous cells while minimizing damage to surrounding healthy tissue. By selecting materials with appropriate linear stopping power, doctors can precisely control the penetration depth of radiation, ensuring that it effectively targets tumors without causing excessive harm to adjacent organs.Moreover, in the realm of nuclear safety, understanding linear stopping power is vital for designing protective barriers against radiation. For instance, lead is commonly used in shielding due to its high linear stopping power, which allows it to effectively absorb gamma rays and X-rays. Engineers must calculate the necessary thickness of lead or other materials based on their linear stopping power to ensure adequate protection for workers and the general public from harmful radiation exposure.In addition to these practical applications, the study of linear stopping power also contributes to fundamental research in particle physics. Scientists utilize this concept to analyze the behavior of particles in accelerators and detectors. By measuring the linear stopping power of different materials, researchers can gain insights into the properties of particles and the fundamental forces governing their interactions.Furthermore, advancements in technology have led to the development of sophisticated simulations and models that allow for more accurate predictions of linear stopping power. These tools enable scientists and engineers to design new materials with tailored properties for specific applications, pushing the boundaries of what is possible in fields ranging from aerospace engineering to medical technology.In conclusion, the concept of linear stopping power plays a pivotal role in both theoretical and applied sciences. Its implications span across various domains, impacting how we approach radiation therapy, nuclear safety, and particle physics research. As our understanding of materials and their interactions with charged particles continues to evolve, the importance of linear stopping power will undoubtedly remain a key focus in scientific inquiry and innovation. By mastering this concept, we can enhance our capabilities in protecting human health and advancing technology for a safer future.

在物理学和工程学领域，理解线性停能量的概念对于各种应用至关重要，特别是在辐射物理学和材料科学中。这个术语指的是材料减缓并吸收带电粒子通过时所携带能量的能力。这一现象不仅对理论研究重要，而且在医学成像、放射治疗和核技术安全措施等领域具有实际意义。当带电粒子（如电子或质子）穿过介质时，它会与该介质的原子相互作用。每次相互作用都会导致能量损失，这可以量化为材料的线性停能量。这个值被定义为粒子每单位距离所损失的能量。因此，它提供了对材料减速高能粒子的有效性的洞察。线性停能量的重要性在我们考虑其在癌症治疗中的应用时变得显而易见。在这种情况下，医疗专业人员旨在将最大能量传递给癌细胞，同时尽量减少对周围健康组织的损害。通过选择具有适当线性停能量的材料，医生可以精确控制辐射的穿透深度，确保它有效地靶向肿瘤，而不会对邻近器官造成过多伤害。此外，在核安全领域，理解线性停能量对于设计防护屏障以抵御辐射至关重要。例如，铅由于其高线性停能量而常用于屏蔽，能够有效吸收伽玛射线和X射线。工程师必须根据材料的线性停能量计算铅或其他材料所需的厚度，以确保为工人和公众提供充分的保护，避免有害辐射的暴露。除了这些实际应用之外，线性停能量的研究还对粒子物理学的基础研究作出了贡献。科学家利用这一概念分析加速器和探测器中粒子的行为。通过测量不同材料的线性停能量，研究人员可以深入了解粒子的性质以及支配其相互作用的基本力。此外，技术的进步导致了复杂的仿真和模型的发展，使得对线性停能量的预测更加准确。这些工具使科学家和工程师能够设计具有特定应用所需的特性的新材料，推动了航空航天工程到医疗技术等领域的可能性。总之，线性停能量的概念在理论和应用科学中发挥着关键作用。它的影响跨越多个领域，影响我们如何处理放射治疗、核安全和粒子物理研究。随着我们对材料及其与带电粒子相互作用的理解不断发展，线性停能量的重要性无疑将继续成为科学研究和创新的重点。通过掌握这一概念，我们可以增强保护人类健康和推动技术发展的能力，为更安全的未来做出贡献。