ultraviolet spectrum

简明释义

紫外光谱

英英释义

例句

1.Sunscreens are designed to block harmful rays from the ultraviolet spectrum to protect the skin.

防晒霜旨在阻挡来自紫外线光谱的有害射线，以保护皮肤。

2.Many insects can see light in the ultraviolet spectrum, which helps them find flowers.

许多昆虫可以看到紫外线光谱中的光，这帮助它们找到花朵。

3.Astronomers study the ultraviolet spectrum of distant stars to learn about their composition and temperature.

天文学家研究遥远星星的紫外线光谱以了解它们的成分和温度。

4.The sun emits a significant amount of energy in the ultraviolet spectrum, which is essential for vitamin D production.

太阳在紫外线光谱中发出大量能量，这对维生素D的产生至关重要。

5.The ultraviolet spectrum is used in various sterilization processes, as it can kill bacteria and viruses.

在各种消毒过程中使用紫外线光谱，因为它可以杀死细菌和病毒。

作文

The ultraviolet spectrum is a fascinating area of the electromagnetic spectrum that lies just beyond the visible light range. It encompasses wavelengths from approximately 10 nanometers to 400 nanometers. While we cannot see ultraviolet spectrum radiation with the naked eye, it plays a crucial role in various natural and technological processes. One of the most well-known effects of ultraviolet spectrum radiation is its ability to cause sunburns. When our skin is exposed to sunlight, it absorbs some of the ultraviolet spectrum rays, which can damage skin cells and lead to harmful effects such as skin cancer. This underscores the importance of protecting ourselves from excessive exposure to the ultraviolet spectrum.In addition to its harmful effects, the ultraviolet spectrum has beneficial applications. For instance, it is used in sterilization processes, particularly in hospitals and laboratories. The germicidal properties of ultraviolet spectrum light can effectively kill bacteria and viruses, making it an essential tool in maintaining hygiene and preventing infections. Furthermore, certain species of plants and animals have evolved to utilize ultraviolet spectrum light for navigation and communication. For example, many flowers have patterns that are only visible under ultraviolet spectrum light, attracting pollinators like bees.In the field of astronomy, the ultraviolet spectrum is critical for studying celestial bodies. Telescopes equipped to observe ultraviolet spectrum radiation allow astronomers to gather information about the composition, temperature, and density of stars and galaxies. This data is invaluable for understanding the universe's evolution and the life cycles of stars. Observations in the ultraviolet spectrum can reveal phenomena that are not detectable in visible light, providing a more comprehensive view of the cosmos.Moreover, the ultraviolet spectrum is also significant in the field of photography and imaging technology. Special filters and sensors can capture ultraviolet spectrum light, allowing photographers to create unique images that showcase details invisible to the human eye. This technique is used in various applications, including forensic science, where ultraviolet spectrum photography can help reveal evidence that would otherwise go unnoticed.As we continue to explore the ultraviolet spectrum, it becomes increasingly clear that this segment of the electromagnetic spectrum holds great importance in both nature and technology. Understanding its properties and effects can help us harness its potential while minimizing its risks. Whether through protecting our skin from its harmful rays or utilizing its capabilities in scientific research and medical applications, the ultraviolet spectrum remains an intriguing and vital aspect of our world. As we advance in technology and deepen our knowledge, the possibilities for utilizing the ultraviolet spectrum will undoubtedly expand, leading to new discoveries and innovations that can benefit humanity in numerous ways.

紫外光谱是电磁波谱中一个引人入胜的领域，位于可见光范围之外。它的波长大约从10纳米到400纳米。虽然我们肉眼无法看到紫外光谱辐射，但它在自然和技术过程中的作用至关重要。紫外光谱辐射最著名的效果之一是其导致晒伤的能力。当我们的皮肤暴露在阳光下时，它会吸收一些紫外光谱的光线，这可能会损害皮肤细胞并导致如皮肤癌等有害效果。这突显了保护自己免受过度紫外光谱辐射的重要性。除了有害影响外，紫外光谱还有许多有益的应用。例如，它被用于灭菌过程，特别是在医院和实验室。紫外光谱光的杀菌特性可以有效地杀死细菌和病毒，使其成为维持卫生和预防感染的重要工具。此外，某些植物和动物物种已经进化出利用紫外光谱光进行导航和交流的能力。例如，许多花朵在紫外光谱光下具有只有在这种光下才可见的图案，吸引像蜜蜂这样的授粉者。在天文学领域，紫外光谱对研究天体至关重要。配备观察紫外光谱辐射的望远镜使天文学家能够收集有关恒星和星系的组成、温度和密度的信息。这些数据对于理解宇宙的演化和恒星的生命周期是无价的。在紫外光谱中的观测可以揭示在可见光下不可探测的现象，从而提供更全面的宇宙视野。此外，紫外光谱在摄影和成像技术领域也具有重要意义。特殊的滤光片和传感器可以捕捉紫外光谱光，使摄影师能够创作出展示肉眼无法察觉的细节的独特图像。这种技术在各种应用中都被使用，包括法医学，在那里紫外光谱摄影可以帮助揭示否则会被忽视的证据。随着我们继续探索紫外光谱，这一电磁波谱的部分在自然和技术中都具有重要性。理解其特性和影响可以帮助我们在最大程度上利用其潜力，同时最小化其风险。无论是通过保护我们的皮肤免受其有害光线的伤害，还是利用其在科学研究和医疗应用中的能力，紫外光谱仍然是我们世界中一个引人入胜且重要的方面。随着科技的进步和知识的加深，利用紫外光谱的可能性无疑将不断扩展，带来新的发现和创新，造福人类的各个方面。