absorption coefficient

简明释义

1. 吸收系数; 2. 吸收率;

英英释义

例句

1.Researchers measured the absorption coefficient of different pigments to determine their effectiveness.

研究人员测量了不同颜料的吸收系数以确定其有效性。

2.The absorption coefficient of a material determines how much light it can absorb.

材料的吸收系数决定了它能吸收多少光。

3.In acoustics, the absorption coefficient indicates how much sound energy is absorbed by a surface.

在声学中，吸收系数表示表面吸收多少声能。

4.The absorption coefficient varies with the wavelength of the incident light.

随入射光波长的不同，吸收系数也会有所变化。

5.When designing a solar panel, engineers must consider the absorption coefficient of the materials used.

在设计太阳能电池板时，工程师必须考虑所用材料的吸收系数。

作文

The concept of the absorption coefficient is fundamental in various fields of science and engineering, particularly in optics, acoustics, and materials science. The absorption coefficient can be defined as a measure of how much light, sound, or other forms of energy are absorbed by a material when a wave passes through it. This coefficient is crucial for understanding how different materials interact with energy and can significantly affect the performance of products and systems.In optics, the absorption coefficient helps in determining how much light is absorbed by a medium, such as glass or water. For instance, when sunlight penetrates the surface of a body of water, only a certain percentage of that light is absorbed, while the rest is reflected or transmitted. The specific value of the absorption coefficient for water varies depending on the wavelength of the light; shorter wavelengths, such as ultraviolet light, tend to be absorbed more than longer wavelengths like infrared. This property has important implications in environmental science, particularly in studying aquatic ecosystems and the effects of light on photosynthesis.Similarly, in acoustics, the absorption coefficient quantifies how sound waves are absorbed by different materials, which is vital for designing spaces with optimal sound quality. For example, a concert hall requires materials that have specific absorption coefficients to ensure that sound is neither too echoey nor too dull. Acoustic panels made from foam or fabric can have high absorption coefficients, effectively reducing unwanted reverberations and enhancing the clarity of music and speech.In materials science, the absorption coefficient plays a significant role in the development of new materials, especially those designed for specific applications, such as thermal insulation or soundproofing. Engineers and scientists often conduct tests to determine the absorption coefficient of various materials to predict their behavior under different conditions. For example, materials with low absorption coefficients might be ideal for thermal insulation, as they reflect rather than absorb heat, thereby enhancing energy efficiency in buildings.Understanding the absorption coefficient also has practical applications in industries such as telecommunications, where signal loss due to absorption can impact the quality of communication. By selecting materials with appropriate absorption coefficients, engineers can design more effective communication systems that minimize signal degradation over distance.In conclusion, the absorption coefficient is a critical parameter that influences how materials interact with energy in various forms. Whether in the context of light, sound, or heat, understanding this coefficient allows scientists and engineers to design better products and systems that meet specific needs. As technology continues to advance, further research into the absorption coefficient will undoubtedly lead to innovations that enhance our ability to harness energy efficiently and effectively. The significance of the absorption coefficient in scientific inquiry and practical applications cannot be overstated, making it an essential concept in modern science and engineering.

“吸收系数”这一概念在科学和工程的多个领域中都具有基础性的重要性，尤其是在光学、声学和材料科学中。吸收系数可以定义为波通过材料时，光、声或其他形式的能量被吸收的程度。这一系数对于理解不同材料与能量的相互作用至关重要，并且可以显著影响产品和系统的性能。在光学中，吸收系数有助于确定光线被介质（如玻璃或水）吸收的程度。例如，当阳光穿透水体表面时，仅有一定比例的光会被吸收，其余部分则会被反射或透射。水的具体吸收系数值因光的波长而异；较短波长（如紫外光）往往比较长波长（如红外光）吸收得更多。这一特性在环境科学中具有重要意义，特别是在研究水生生态系统和光对光合作用影响时。同样，在声学中，吸收系数量化了不同材料对声波的吸收程度，这对于设计具有最佳音质的空间至关重要。例如，音乐厅需要具有特定吸收系数的材料，以确保声音既不太回响也不太沉闷。由泡沫或织物制成的声学面板可以具有高吸收系数，有效减少不必要的回响，增强音乐和演讲的清晰度。在材料科学中，吸收系数在新材料的开发中也发挥着重要作用，特别是那些针对特定应用（如热绝缘或隔音）的材料。工程师和科学家通常进行测试，以确定各种材料的吸收系数，从而预测它们在不同条件下的表现。例如，低吸收系数的材料可能非常适合用于热绝缘，因为它们反射而不是吸收热量，从而提高建筑物的能源效率。理解吸收系数在电信等行业也具有实际应用，因为由于吸收引起的信号损失会影响通信质量。通过选择具有适当吸收系数的材料，工程师可以设计出更有效的通信系统，最大限度地减少信号在距离上的衰减。总之，吸收系数是一个关键参数，影响材料如何与各种形式的能量相互作用。无论是在光、声还是热的背景下，理解这一系数使科学家和工程师能够设计出更好的产品和系统，以满足特定需求。随着技术的不断进步，对吸收系数的进一步研究无疑将导致增强我们有效利用能源能力的创新。吸收系数在科学研究和实际应用中的重要性不容小觑，使其成为现代科学和工程中的一个基本概念。