absorption coefficient

简明释义

吸收系数

英英释义

例句

1.Scientists use the absorption coefficient to study the effects of pollutants.

科学家使用吸收系数研究污染物的影响。

2.In optics, the absorption coefficient is crucial for determining transparency.

在光学中，吸收系数对于确定透明度至关重要。

3.Different wavelengths of light have varying absorption coefficients in water.

不同波长的光在水中的吸收系数各不相同。

4.The absorption coefficient of a gas can affect its thermal properties.

气体的吸收系数会影响其热性能。

5.The absorption coefficient measures how much light is absorbed by a material.

这个吸收系数测量材料吸收多少光。

作文

The concept of the absorption coefficient is fundamental in various fields of science and engineering, particularly in optics, acoustics, and material science. It quantifies how much light, sound, or other forms of energy are absorbed by a material as they pass through it. Understanding the absorption coefficient is crucial for designing effective optical devices, soundproofing materials, and even in assessing environmental impacts. In optics, the absorption coefficient helps us comprehend how different materials interact with light. For instance, when light travels through a glass lens, some portion of that light is absorbed by the material itself, which can affect the overall performance of optical systems. The absorption coefficient determines the extent to which the light intensity decreases as it penetrates deeper into the material. This property is essential for applications such as photography, laser technology, and fiber optics, where precision is key.Similarly, in acoustics, the absorption coefficient plays a vital role in soundproofing and acoustic treatment. Different materials have varying abilities to absorb sound waves, which is quantified by their absorption coefficient. For example, soft materials like carpets and acoustic panels have high absorption coefficients, making them effective at reducing echoes and improving sound quality in a room. On the other hand, hard surfaces like concrete or glass tend to have low absorption coefficients, resulting in more reflective environments that can lead to unwanted noise.In environmental science, the absorption coefficient is used to study how pollutants are absorbed by water bodies or soil. This understanding is critical for assessing the impact of contaminants on ecosystems. For example, the absorption coefficient of a particular chemical in water can help scientists predict how quickly it will disperse or degrade, which is essential for effective environmental management and remediation strategies.To calculate the absorption coefficient, one typically uses the Beer-Lambert Law, which relates the attenuation of light to the properties of the material through which it is traveling. This law states that the intensity of light decreases exponentially as it passes through a medium, and the rate of this decrease is proportional to the absorption coefficient of the material. By measuring the intensity of light before and after it passes through the material, researchers can derive the absorption coefficient and gain insights into the material's properties.In conclusion, the absorption coefficient is a vital parameter that influences a wide range of scientific and engineering applications. Whether in designing better lenses, creating quieter spaces, or understanding environmental dynamics, the absorption coefficient provides essential insights into how materials interact with various forms of energy. As technology advances, the importance of accurately measuring and understanding the absorption coefficient will only continue to grow, paving the way for innovations across multiple disciplines.

“吸收系数”这一概念在光学、声学和材料科学等多个科学和工程领域中至关重要。它量化了光、声或其他形式的能量在穿透材料时被吸收的程度。理解“吸收系数”对于设计有效的光学设备、隔音材料，甚至评估环境影响都是至关重要的。在光学中，“吸收系数”帮助我们理解不同材料如何与光相互作用。例如，当光通过一个玻璃镜头时，其中一部分光会被材料本身吸收，这可能会影响光学系统的整体性能。“吸收系数”决定了光强度在深入材料时减少的程度。这一特性对于摄影、激光技术和光纤等应用至关重要，精确性是关键。同样，在声学中，“吸收系数”在隔音和声学处理方面起着重要作用。不同材料对声波的吸收能力各不相同，这由它们的“吸收系数”来量化。例如，像地毯和声学面板这样的软材料具有高吸收系数，使其在减少回声和改善房间音质方面非常有效。另一方面，混凝土或玻璃等硬表面的吸收系数通常较低，导致更具反射性的环境，可能造成不必要的噪音。在环境科学中，“吸收系数”用于研究污染物如何被水体或土壤吸收。这种理解对于评估污染物对生态系统的影响至关重要。例如，某种化学物质在水中的“吸收系数”可以帮助科学家预测其扩散或降解的速度，这对于有效的环境管理和修复策略至关重要。计算“吸收系数”通常使用比尔-朗伯定律，该定律将光的衰减与光通过的材料的性质联系起来。该定律指出，光的强度在穿过介质时呈指数下降，这一下降的速率与材料的“吸收系数”成正比。通过测量光在穿过材料前后的强度，研究人员可以推导出“吸收系数”，从而深入了解材料的特性。总之，“吸收系数”是影响广泛科学和工程应用的重要参数。无论是在设计更好的镜头、创造更安静的空间，还是理解环境动态方面，“吸收系数”都为材料如何与各种形式的能量相互作用提供了重要的见解。随着技术的进步，准确测量和理解“吸收系数”的重要性只会继续增长，为多个学科的创新铺平道路。