absorption length
简明释义
吸收长度;
英英释义
Absorption length is the average distance a photon or particle travels in a medium before being absorbed by the material. | 吸收长度是指光子或粒子在介质中传播的平均距离,在此距离内会被材料吸收。 |
例句
1.The absorption length in water affects how we perceive underwater colors.
水中的吸收长度影响我们对水下颜色的感知。
2.Researchers measured the absorption length of the new material to evaluate its effectiveness.
研究人员测量了新材料的吸收长度以评估其有效性。
3.In medical imaging, the absorption length of tissues is crucial for accurate diagnostics.
在医学成像中,组织的吸收长度对准确诊断至关重要。
4.The absorption length of a material determines how far light can penetrate before being absorbed.
材料的吸收长度决定了光在被吸收之前可以穿透多远。
5.Understanding the absorption length of different wavelengths helps in designing better optical filters.
了解不同波长的吸收长度有助于设计更好的光学滤波器。
作文
In the field of physics and engineering, the concept of absorption length plays a crucial role in understanding how materials interact with various forms of radiation, such as light or sound. The absorption length is defined as the distance over which a wave (like light) is significantly attenuated due to absorption by a medium. This phenomenon is particularly important in areas such as optics, acoustics, and even medical imaging. Understanding the absorption length helps scientists and engineers design better systems and materials that can either minimize unwanted absorption or maximize the effectiveness of energy transfer.For instance, in optical fibers, the absorption length determines how far light can travel through the fiber before it loses intensity due to absorption by the material itself. A longer absorption length means that the fiber can transmit light over greater distances without significant loss, making it more efficient for telecommunications. Conversely, if the absorption length is short, the signal may degrade quickly, necessitating the use of repeaters or amplifiers to maintain signal quality.In the context of medical imaging, such as X-ray or MRI scans, the absorption length is critical for determining the contrast and clarity of the images produced. Different tissues in the body absorb radiation at different rates, and understanding these differences allows radiologists to interpret images accurately. For example, bones have a much shorter absorption length for X-rays compared to soft tissues, which is why they appear white on the X-ray film while softer tissues appear darker.Moreover, in environmental science, the absorption length can help assess how pollutants disperse in the atmosphere or bodies of water. By understanding how far a pollutant can travel before being absorbed by the environment, scientists can make better predictions about its impact on ecosystems and human health. This knowledge is essential for developing strategies to mitigate pollution and protect natural resources.The absorption length is also relevant in the field of acoustics, where it describes how sound waves are absorbed by different materials. For instance, sound-absorbing panels used in concert halls and recording studios are designed based on their absorption length to enhance sound quality by minimizing echoes and reverberation. Materials with a long absorption length can absorb sound energy effectively, leading to clearer audio experiences.In conclusion, the concept of absorption length is fundamental across various scientific and engineering disciplines. By understanding how different materials interact with waves, whether they be electromagnetic or acoustic, we can innovate and improve technologies that enhance our daily lives. Whether it’s through better telecommunications, clearer medical imaging, effective pollution control, or superior sound quality, the implications of the absorption length are vast and impactful. As research continues to advance, our comprehension of this concept will undoubtedly lead to further breakthroughs in technology and science.
在物理和工程领域,吸收长度的概念在理解材料如何与各种形式的辐射(如光或声)相互作用方面起着至关重要的作用。吸收长度被定义为波(如光)由于介质的吸收而显著衰减的距离。这个现象在光学、声学甚至医学成像等领域尤为重要。理解吸收长度帮助科学家和工程师设计出更好的系统和材料,可以最小化不必要的吸收或最大化能量传递的有效性。例如,在光纤中,吸收长度决定了光可以在光纤中传播多远,而不会因材料本身的吸收而失去强度。较长的吸收长度意味着光纤可以在更大的距离上传输光而不会显著损失,使其在电信中更高效。相反,如果吸收长度很短,信号可能会快速衰减,迫使使用中继器或放大器来保持信号质量。在医学成像的背景下,例如X光或MRI扫描,吸收长度对于确定所产生图像的对比度和清晰度至关重要。身体中的不同组织以不同的速率吸收辐射,理解这些差异使放射科医生能够准确解读图像。例如,骨骼对X光的吸收长度远低于软组织,这就是为什么它们在X光胶卷上呈现白色,而软组织则显得较暗。此外,在环境科学中,吸收长度可以帮助评估污染物在大气或水体中的扩散情况。通过理解污染物在被环境吸收之前可以传播多远,科学家可以更好地预测其对生态系统和人类健康的影响。这一知识对于制定减轻污染和保护自然资源的策略至关重要。吸收长度在声学领域同样相关,它描述了不同材料对声波的吸收程度。例如,用于音乐厅和录音室的声学吸收面板是基于其吸收长度设计的,以通过最小化回声和混响来增强音质。具有较长吸收长度的材料能够有效吸收声能,从而带来更清晰的音频体验。总之,吸收长度这一概念在各个科学和工程学科中都是基础的。通过理解不同材料如何与波相互作用,无论是电磁波还是声波,我们都可以创新和改善增强我们日常生活的技术。无论是通过更好的电信、更清晰的医学成像、有效的污染控制,还是优越的音质,吸收长度的影响都是广泛而深远的。随着研究的不断推进,我们对这一概念的理解无疑将引领科技和科学进一步突破。
相关单词