selective absorption

简明释义

选择吸收

英英释义

例句

1.The concept of selective absorption is crucial in designing filters that allow certain frequencies to pass through.

设计允许某些频率通过的滤光器时，选择性吸收的概念至关重要。

2.In the study of light, selective absorption refers to the process by which certain wavelengths are absorbed by a material while others are transmitted.

在光的研究中，选择性吸收指的是某些波长被材料吸收而其他波长被透过的过程。

3.The phenomenon of selective absorption can be observed in colored glass, which absorbs certain colors and transmits others.

在有色玻璃中可以观察到选择性吸收现象，它吸收某些颜色并透过其他颜色。

4.In audio engineering, selective absorption can help reduce unwanted frequencies from sound recordings.

在音频工程中，选择性吸收可以帮助减少声音录音中的不必要频率。

5.Plants utilize selective absorption to take in specific wavelengths of light for photosynthesis.

植物利用选择性吸收来吸收特定波长的光进行光合作用。

作文

In the study of physics and materials science, the concept of selective absorption plays a crucial role in understanding how different materials interact with light and other forms of electromagnetic radiation. Selective absorption refers to the phenomenon where a material absorbs specific wavelengths of light while allowing others to pass through or be reflected. This property is vital in various applications, from designing optical devices to creating efficient solar panels. For instance, consider the functioning of a green leaf. The chlorophyll within the leaf exhibits selective absorption by absorbing light primarily in the blue and red wavelengths while reflecting green light, which is why leaves appear green. This process is essential for photosynthesis, as it allows plants to harness energy from sunlight effectively. Without selective absorption, plants would not be able to convert solar energy into chemical energy, which is fundamental for their growth and survival.In technology, selective absorption is utilized in the development of filters and coatings that enhance the performance of optical devices. For example, sunglasses often employ materials that exhibit selective absorption to block harmful ultraviolet (UV) rays while allowing visible light to pass through. This selective filtering protects our eyes from damage while still enabling us to see clearly. Similarly, in photography, camera filters are designed to selectively absorb certain wavelengths to enhance image quality and color balance.Moreover, selective absorption is also significant in the field of renewable energy. Solar panels are engineered to maximize the absorption of sunlight, utilizing materials that have high selective absorption properties at specific wavelengths. By optimizing the absorption characteristics, solar panels can convert a larger portion of sunlight into usable electrical energy, making them more efficient and cost-effective.In environmental science, selective absorption is crucial for understanding how pollutants interact with light in water bodies. Certain contaminants may absorb specific wavelengths of light, which can affect the overall health of aquatic ecosystems. Monitoring these absorption characteristics helps scientists assess water quality and devise strategies for pollution control.Furthermore, selective absorption has implications in the medical field, particularly in imaging technologies such as MRI and CT scans. Different tissues in the body have varying absorption properties; thus, understanding these differences allows for better imaging techniques that can help diagnose medical conditions accurately.In conclusion, selective absorption is a fundamental concept that encompasses various fields, from biology to technology and environmental science. Its ability to explain how materials interact with light not only enhances our understanding of natural processes but also leads to innovative applications that improve our daily lives. As research continues to evolve, the significance of selective absorption will undoubtedly expand, paving the way for new discoveries and advancements in multiple disciplines.

在物理学和材料科学的研究中，选择性吸收这一概念在理解不同材料如何与光及其他形式的电磁辐射相互作用方面发挥着至关重要的作用。选择性吸收是指一种现象，其中材料吸收特定波长的光，同时允许其他波长通过或被反射。这一特性在从设计光学设备到创建高效太阳能电池板等各种应用中至关重要。例如，考虑绿叶的功能。叶子中的叶绿素表现出选择性吸收，主要吸收蓝色和红色波长的光，同时反射绿色光，这就是为什么叶子看起来是绿色的原因。这一过程对光合作用至关重要，因为它使植物能够有效地利用阳光中的能量。如果没有选择性吸收，植物将无法将太阳能转化为化学能，这对于它们的生长和生存是至关重要的。在技术领域，选择性吸收被用于开发增强光学设备性能的滤光片和涂层。例如，太阳镜通常采用具有选择性吸收特性的材料，以阻挡有害的紫外线（UV）光，同时允许可见光通过。这种选择性过滤保护我们的眼睛免受伤害，同时仍然使我们能够清晰地看到。类似地，在摄影中，相机滤镜被设计为选择性吸收某些波长，以增强图像质量和色彩平衡。此外，选择性吸收在可再生能源领域也具有重要意义。太阳能电池板被设计为最大限度地吸收阳光，利用在特定波长上具有高选择性吸收特性的材料。通过优化吸收特性，太阳能电池板可以将更大部分的阳光转化为可用的电能，从而提高其效率和成本效益。在环境科学中，选择性吸收对于理解污染物如何与水体中的光相互作用至关重要。某些污染物可能会吸收特定波长的光，这会影响水生生态系统的整体健康。监测这些吸收特性有助于科学家评估水质并制定污染控制策略。此外，选择性吸收在医学领域也有影响，特别是在成像技术如MRI和CT扫描中。身体中的不同组织具有不同的吸收特性；因此，了解这些差异可以改善成像技术，从而帮助准确诊断医疗状况。总之，选择性吸收是一个基本概念，涵盖了多个领域，从生物学到技术和环境科学。它解释了材料如何与光相互作用，不仅增强了我们对自然过程的理解，还导致创新应用的出现，从而改善我们的日常生活。随着研究的不断发展，选择性吸收的重要性无疑会扩大，为多个学科的新发现和进步铺平道路。