mass attenuation coefficient

简明释义

质量衰减系数

英英释义

例句

1.The mass attenuation coefficient 质量衰减系数 can vary depending on the energy of the incident photons.

根据入射光子的能量，质量衰减系数 质量衰减系数可能会有所不同。

2.In radiation shielding, the mass attenuation coefficient 质量衰减系数 helps determine the thickness of materials needed to reduce exposure.

在辐射屏蔽中，质量衰减系数 质量衰减系数有助于确定减少暴露所需材料的厚度。

3.Calculating the mass attenuation coefficient 质量衰减系数 is essential for designing effective radiation protection systems.

计算质量衰减系数 质量衰减系数对设计有效的辐射保护系统至关重要。

4.The mass attenuation coefficient 质量衰减系数 of lead is significantly higher than that of aluminum.

铅的质量衰减系数 质量衰减系数明显高于铝。

5.Researchers measured the mass attenuation coefficient 质量衰减系数 of various substances to improve safety in medical imaging.

研究人员测量了各种物质的质量衰减系数 质量衰减系数以提高医学成像的安全性。

作文

The concept of the mass attenuation coefficient is fundamental in the fields of physics and engineering, particularly in the study of radiation and its interaction with matter. This coefficient quantifies how easily a material can attenuate or reduce the intensity of a beam of radiation as it passes through the material. The mass attenuation coefficient is defined as the fraction of the intensity of the radiation that is absorbed or scattered per unit mass of the material. It is an essential parameter for understanding how different materials interact with various types of radiation, including X-rays, gamma rays, and neutrons.In practical applications, the mass attenuation coefficient is crucial for designing shielding materials in medical and industrial settings. For instance, in radiology, knowing the mass attenuation coefficient of tissues helps in determining the correct dosage of radiation for imaging procedures while minimizing exposure to healthy tissues. Similarly, in nuclear power plants, engineers must consider the mass attenuation coefficient of various materials when designing barriers to protect workers from harmful radiation.The mass attenuation coefficient varies with the type of radiation and the energy of the photons involved. For example, low-energy X-rays are more likely to be absorbed by soft tissues compared to high-energy gamma rays, which can penetrate deeper into materials. This variation means that different materials may be chosen for specific applications based on their mass attenuation coefficients. For instance, lead is often used for radiation shielding because it has a high mass attenuation coefficient for gamma rays, effectively reducing their intensity.Moreover, the mass attenuation coefficient is not only important in radiation protection but also plays a vital role in medical imaging techniques such as computed tomography (CT) scans. In CT imaging, the differences in the mass attenuation coefficient of various tissues help create detailed images of the body's internal structures. Radiologists rely on these differences to diagnose conditions accurately and to plan appropriate treatment strategies.Understanding the mass attenuation coefficient also contributes to advancements in materials science. Researchers are continually exploring new materials that can provide effective radiation shielding while being lightweight and cost-effective. Innovations in nanotechnology and composite materials are promising avenues for developing advanced shielding solutions that utilize the principles of the mass attenuation coefficient.In conclusion, the mass attenuation coefficient is a vital concept in understanding how materials interact with radiation. Its applications span across various fields, from medical imaging to nuclear safety, highlighting its importance in both theoretical studies and practical implementations. As technology advances, the significance of the mass attenuation coefficient will continue to grow, leading to safer and more effective use of radiation in diverse applications.

“质量衰减系数”的概念在物理学和工程学领域中是基础性的，特别是在辐射及其与物质相互作用的研究中。该系数量化了材料在辐射束穿过材料时减弱或减少辐射强度的能力。“质量衰减系数”定义为单位质量材料中吸收或散射的辐射强度的分数。这是理解不同材料如何与各种类型的辐射（包括X射线、伽马射线和中子）相互作用的重要参数。在实际应用中，“质量衰减系数”对于医学和工业环境中设计屏蔽材料至关重要。例如，在放射学中，了解组织的“质量衰减系数”有助于确定影像程序的正确辐射剂量，同时最小化对健康组织的暴露。同样，在核电站中，工程师必须考虑各种材料的“质量衰减系数”，以设计屏障保护工人免受有害辐射的影响。“质量衰减系数”随着辐射类型和光子能量的不同而变化。例如，低能X射线比高能伽马射线更可能被软组织吸收。这种变化意味着可以根据“质量衰减系数”选择不同的材料用于特定应用。例如，铅通常用于辐射屏蔽，因为它对伽马射线的“质量衰减系数”很高，能够有效降低伽马射线的强度。此外，“质量衰减系数”不仅在辐射防护中重要，还在医学成像技术（如计算机断层扫描（CT））中发挥着至关重要的作用。在CT成像中，各种组织的“质量衰减系数”的差异有助于创建身体内部结构的详细图像。放射科医生依赖这些差异来准确诊断病情并制定适当的治疗策略。理解“质量衰减系数”还促进了材料科学的发展。研究人员不断探索新的材料，这些材料可以在轻便和成本效益高的同时提供有效的辐射屏蔽。纳米技术和复合材料的创新是开发利用“质量衰减系数”原理的先进屏蔽解决方案的有前景的途径。总之，“质量衰减系数”是理解材料如何与辐射相互作用的重要概念。它的应用跨越多个领域，从医学成像到核安全，突显了它在理论研究和实际应用中的重要性。随着技术的进步，“质量衰减系数”的重要性将继续增长，导致在多种应用中更安全、更有效地使用辐射。