near ultraviolet

简明释义

近紫外线区

英英释义

例句

1.Research has shown that near ultraviolet 近紫外线 light can enhance the germination of certain seeds.

研究表明，<近紫外线>光可以增强某些种子的发芽。

2.Many sunscreen products protect against near ultraviolet 近紫外线 rays to prevent skin damage.

许多防晒霜产品可以防止<近紫外线>光线造成的皮肤损伤。

3.The laboratory uses near ultraviolet 近紫外线 lamps for sterilization purposes.

实验室使用<近紫外线>灯进行灭菌。

4.The study focused on the effects of near ultraviolet 近紫外线 radiation on plant growth.

这项研究集中在<近紫外线>辐射对植物生长的影响。

5.Photographers often utilize filters to block near ultraviolet 近紫外线 light for clearer images.

摄影师经常利用滤镜阻挡<近紫外线>光，以获得更清晰的图像。

作文

The study of light and its various wavelengths is a fascinating field that has significant implications for science and technology. One particularly interesting area of this study is the section of the electromagnetic spectrum known as near ultraviolet (NUV). The near ultraviolet spectrum ranges from about 320 to 400 nanometers, just beyond the visible light spectrum. This range of light is not visible to the human eye, but it plays a crucial role in many natural and technological processes. In nature, near ultraviolet light is emitted by the sun and is responsible for several biological effects. For instance, it helps in the production of vitamin D in the skin, which is essential for maintaining healthy bones and immune function. However, excessive exposure to near ultraviolet light can lead to harmful effects such as skin damage and an increased risk of skin cancer. Therefore, understanding the properties and effects of near ultraviolet light is vital for both health and safety.In addition to its biological significance, near ultraviolet light has numerous applications in technology. For example, it is widely used in various forms of spectroscopy, a technique that involves analyzing the interaction between light and matter. Spectroscopy in the near ultraviolet range can provide valuable information about the chemical composition and structure of substances. This is particularly useful in fields such as chemistry, biology, and environmental science, where understanding molecular interactions is crucial.Moreover, near ultraviolet light is essential in the field of photolithography, a process used in the manufacturing of semiconductor devices. In this context, near ultraviolet light is used to etch intricate patterns onto silicon wafers, which are then used to create integrated circuits. As technology advances, the demand for smaller and more efficient electronic components increases, making the role of near ultraviolet light in photolithography even more critical.Another exciting application of near ultraviolet light is in the field of sterilization and disinfection. Research has shown that near ultraviolet light can effectively kill bacteria and viruses, making it a powerful tool for ensuring hygiene in medical and public settings. This application has gained particular attention in recent years, especially in the wake of global health crises, where effective disinfection methods are paramount.Despite its many benefits, it is important to approach near ultraviolet light with caution. Prolonged exposure without proper protection can lead to adverse health effects. Therefore, researchers and technologists are continuously exploring ways to harness the advantages of near ultraviolet light while minimizing potential risks. This includes developing protective equipment and guidelines for safe exposure levels.In conclusion, the near ultraviolet spectrum is a critical area of study with far-reaching implications in both natural and technological contexts. From its role in vitamin D synthesis to its applications in spectroscopy and sterilization, understanding near ultraviolet light is essential for advancing our knowledge and improving our technologies. As research continues to uncover new uses and effects of this intriguing wavelength, we can expect to see even more innovative applications emerge in the future.

光和其各种波长的研究是一个迷人的领域，对科学和技术具有重要影响。这个研究中一个特别有趣的领域是电磁谱中被称为近紫外线（NUV）的部分。近紫外线光谱范围大约从320到400纳米，正好位于可见光谱之外。这种光的范围人眼不可见，但在许多自然和技术过程中起着至关重要的作用。在自然界中，近紫外线光是由太阳发出的，并对几种生物效应负责。例如，它有助于皮肤中的维生素D合成，这对于维持健康的骨骼和免疫功能至关重要。然而，过度暴露于近紫外线光下可能导致有害的效果，例如皮肤损伤和皮肤癌风险增加。因此，理解近紫外线光的特性和影响对健康和安全至关重要。除了生物学意义外，近紫外线光在技术上也有众多应用。例如，它广泛用于各种形式的光谱学，这是一种分析光与物质相互作用的技术。在近紫外线范围内的光谱学可以提供有关物质化学成分和结构的宝贵信息。这在化学、生物学和环境科学等领域尤其有用，这些领域中理解分子相互作用至关重要。此外，近紫外线光在光刻技术领域至关重要，这一过程用于半导体设备的制造。在这种情况下，近紫外线光用于在硅晶圆上蚀刻复杂的图案，随后用于创建集成电路。随着技术的进步，对更小、更高效电子元件的需求不断增加，使得近紫外线光在光刻中的作用变得更加关键。近紫外线光的另一个令人兴奋的应用是在灭菌和消毒领域。研究表明，近紫外线光可以有效杀死细菌和病毒，使其成为确保医疗和公共场所卫生的强大工具。近年来，尤其是在全球健康危机的背景下，这一应用引起了特别关注，在这种情况下，有效的消毒方法至关重要。尽管有许多好处，但重要的是要谨慎对待近紫外线光。没有适当保护的长期暴露可能导致不良健康影响。因此，研究人员和技术人员不断探索利用近紫外线光的优点，同时最小化潜在风险的方法。这包括开发保护设备和安全暴露水平的指南。总之，近紫外线光谱是一个关键的研究领域，对自然和技术背景都有深远影响。从它在维生素D合成中的作用到它在光谱学和灭菌中的应用，理解近紫外线光对推进我们的知识和改善我们的技术至关重要。随着研究继续揭示这一引人入胜的波长的新用途和影响，我们可以期待未来出现更多创新的应用。