photoelectric attenuation coefficient

简明释义

光电衰减系数

英英释义

The photoelectric attenuation coefficient is a measure of how much a material reduces the intensity of electromagnetic radiation, particularly X-rays and gamma rays, as it passes through the material due to photoelectric absorption.

光电衰减系数是衡量材料在电磁辐射(特别是X射线和伽马射线)通过材料时,由于光电吸收而降低辐射强度的程度。

例句

1.Researchers found that the photoelectric attenuation coefficient 光电衰减系数 varies significantly between different types of materials.

研究人员发现,不同类型材料的光电衰减系数差异显著。

2.The measurement of the photoelectric attenuation coefficient 光电衰减系数 is crucial in determining how much a material will absorb X-rays.

测量光电衰减系数对于确定材料吸收X射线的程度至关重要。

3.When designing radiation shielding, engineers must consider the photoelectric attenuation coefficient 光电衰减系数 of various materials.

在设计辐射屏蔽时,工程师必须考虑各种材料的光电衰减系数

4.In medical imaging, understanding the photoelectric attenuation coefficient 光电衰减系数 helps in optimizing contrast agents.

在医学成像中,理解光电衰减系数有助于优化对比剂。

5.The photoelectric attenuation coefficient 光电衰减系数 can be calculated using the density and atomic number of the material.

可以通过材料的密度和原子序数计算光电衰减系数

作文

The study of the photoelectric attenuation coefficient is crucial in fields such as medical imaging, radiation physics, and materials science. This coefficient quantifies how much light or radiation is absorbed and scattered as it passes through a material. Understanding this concept allows scientists and engineers to design better imaging systems and improve the safety and effectiveness of radiation therapies. In medical imaging, for instance, the photoelectric attenuation coefficient helps determine how different tissues absorb X-rays. Tissues with higher atomic numbers, like bones, have a higher attenuation coefficient compared to softer tissues, which means they appear brighter on X-ray images. This property is essential for diagnosing various medical conditions accurately. By analyzing the differences in attenuation, radiologists can identify fractures, tumors, and other abnormalities within the body. Moreover, in radiation therapy, the photoelectric attenuation coefficient plays a significant role in calculating the appropriate doses of radiation needed to target cancer cells while minimizing damage to surrounding healthy tissues. By understanding how radiation interacts with different types of tissues, oncologists can devise treatment plans that maximize effectiveness and reduce side effects. In materials science, the photoelectric attenuation coefficient is used to evaluate the properties of new materials, particularly those used in shielding against radiation. For example, when developing new protective gear for nuclear workers or space missions, researchers need to know how well a material can attenuate radiation. The coefficient provides critical data that helps in selecting the right materials for safety applications. Furthermore, the photoelectric attenuation coefficient is not just limited to X-rays; it also applies to other forms of electromagnetic radiation, such as gamma rays and ultraviolet light. Each type of radiation interacts differently with matter, and knowing the specific coefficients allows for more precise calculations in various applications. In conclusion, the photoelectric attenuation coefficient is a fundamental parameter in multiple scientific disciplines. Its ability to describe how materials interact with electromagnetic radiation makes it invaluable in advancing technology in medical imaging, radiation therapy, and materials development. As research continues to evolve, a deeper understanding of this coefficient will lead to innovations that enhance our ability to diagnose diseases, treat patients effectively, and develop safer materials for a variety of applications. In summary, the photoelectric attenuation coefficient (光电衰减系数) is essential for understanding how materials absorb and scatter radiation, impacting medical imaging, radiation therapy, and materials science significantly. By mastering this concept, professionals in these fields can improve their work and contribute to advancements in health and safety.

研究光电衰减系数在医学成像、辐射物理和材料科学等领域至关重要。该系数量化了光或辐射在通过材料时被吸收和散射的程度。理解这一概念使科学家和工程师能够设计更好的成像系统,并提高辐射治疗的安全性和有效性。例如,在医学成像中,光电衰减系数有助于确定不同组织对X射线的吸收情况。具有较高原子序数的组织,如骨骼,其衰减系数比软组织高,这意味着它们在X射线图像上显得更亮。这一特性对于准确诊断各种医疗状况至关重要。通过分析衰减的差异,放射科医生可以识别骨折、肿瘤和体内其他异常。此外,在放射治疗中,光电衰减系数在计算针对癌细胞所需的适当辐射剂量方面发挥着重要作用,同时尽量减少对周围健康组织的损害。通过了解辐射与不同类型组织的相互作用,肿瘤科医生可以制定最大化效果并减少副作用的治疗方案。在材料科学中,光电衰减系数用于评估新材料的特性,特别是用于辐射屏蔽的材料。例如,在开发核工作者或太空任务的新型防护装备时,研究人员需要知道一种材料对辐射的衰减能力。该系数提供了关键数据,帮助选择用于安全应用的合适材料。此外,光电衰减系数不仅限于X射线;它还适用于其他形式的电磁辐射,如伽马射线和紫外光。每种类型的辐射与物质的相互作用不同,了解具体的系数可以在各种应用中进行更精确的计算。总之,光电衰减系数是多个科学学科中的基本参数。它描述材料如何与电磁辐射相互作用的能力使其在推动医学成像、辐射治疗和材料开发技术进步方面具有重要价值。随着研究的不断发展,对该系数的更深入理解将带来创新,从而增强我们诊断疾病、有效治疗患者和开发多种应用安全材料的能力。总之,光电衰减系数光电衰减系数)对于理解材料如何吸收和散射辐射至关重要,显著影响医学成像、辐射治疗和材料科学。通过掌握这一概念,这些领域的专业人员可以改善他们的工作,并为健康和安全的进步做出贡献。

相关单词

photoelectric

photoelectric详解:怎么读、什么意思、用法

attenuation

attenuation详解:怎么读、什么意思、用法