near ultraviolet rays

简明释义

近紫外线

英英释义

例句

1.The tanning process in salons often utilizes near ultraviolet rays (近紫外线) to achieve desired skin tones.

美容院的晒黑过程通常利用近紫外线 (near ultraviolet rays) 来达到理想的肤色。

2.In laboratories, scientists use near ultraviolet rays (近紫外线) to study the effects of light on chemical reactions.

在实验室中，科学家使用近紫外线 (near ultraviolet rays) 来研究光对化学反应的影响。

3.Many plants rely on near ultraviolet rays (近紫外线) for photosynthesis.

许多植物依赖于近紫外线 (near ultraviolet rays) 进行光合作用。

4.Certain types of sunscreen are designed to block near ultraviolet rays (近紫外线) to protect the skin.

某些类型的防晒霜旨在阻挡近紫外线 (near ultraviolet rays) 以保护皮肤。

5.Some fluorescent minerals glow under near ultraviolet rays (近紫外线) when exposed to them.

某些荧光矿物在暴露于近紫外线 (near ultraviolet rays) 下会发光。

作文

The concept of near ultraviolet rays is often overlooked in discussions about light and its effects on the environment. These rays, which fall just beyond the visible spectrum, play a crucial role in various natural processes and technological applications. Understanding near ultraviolet rays is essential for both scientific research and practical uses, such as in photography and sterilization techniques.First, let us delve into what near ultraviolet rays are. They are electromagnetic waves that have wavelengths ranging from approximately 320 to 400 nanometers. This range is just below the visible light spectrum, making them invisible to the human eye. Despite being undetectable, near ultraviolet rays have significant energy and can interact with matter in unique ways. For instance, they can cause fluorescence in certain materials, leading to vibrant visual effects that are used in various artistic and scientific applications.In nature, near ultraviolet rays play a vital role in the process of photosynthesis. Plants utilize these rays to enhance their growth and energy production. The chlorophyll in plants absorbs some of the energy from near ultraviolet rays, which helps convert carbon dioxide and water into glucose and oxygen. This process is not only essential for plant life but also supports the entire food chain, as herbivores depend on plants for sustenance.Moreover, near ultraviolet rays are important in the field of medicine. They are used in phototherapy, a treatment that involves exposing patients to specific wavelengths of light. This approach has been effective in treating skin conditions such as psoriasis and eczema. The therapeutic benefits of near ultraviolet rays stem from their ability to reduce inflammation and promote healing in damaged skin.On the other hand, while there are benefits to near ultraviolet rays, there are also risks associated with exposure. Prolonged exposure to these rays can lead to skin damage, including sunburn and an increased risk of skin cancer. It is essential to protect oneself from excessive exposure, especially during peak sunlight hours when near ultraviolet rays are most intense. Wearing sunscreen, protective clothing, and sunglasses can help mitigate these risks.In the realm of technology, near ultraviolet rays are employed in various applications, such as in the production of semiconductors and in UV sterilization processes. For example, UV-C light, which includes near ultraviolet rays, is widely used to disinfect surfaces and air in hospitals and laboratories. This application has become increasingly relevant in the wake of global health crises, where maintaining sterile environments is crucial.In conclusion, near ultraviolet rays are a fascinating aspect of the electromagnetic spectrum that deserves more attention. Their role in nature, medicine, and technology highlights their importance in our daily lives. By understanding both the benefits and potential hazards associated with near ultraviolet rays, we can better appreciate their influence on our world and make informed decisions regarding our exposure to them. As science continues to advance, further research may uncover even more applications and implications of near ultraviolet rays, paving the way for innovative solutions in various fields.

“近紫外线”这一概念在讨论光及其对环境的影响时常常被忽视。这些位于可见光谱之外的光线在各种自然过程和技术应用中发挥着至关重要的作用。理解“近紫外线”对科学研究和实际应用（如摄影和消毒技术）都是非常重要的。首先，让我们深入了解“近紫外线”的含义。它们是波长大约在320到400纳米之间的电磁波。这个范围恰好在可见光谱之下，使得人眼无法探测到。尽管不可见，“近紫外线”具有显著的能量，并且可以以独特的方式与物质相互作用。例如，它们可以引起某些材料的荧光，产生生动的视觉效果，这在艺术和科学的各种应用中得到了利用。在自然界中，“近紫外线”在光合作用过程中发挥着重要作用。植物利用这些光线来增强其生长和能量生产。植物中的叶绿素吸收部分“近紫外线”的能量，这有助于将二氧化碳和水转化为葡萄糖和氧气。这个过程不仅对植物生命至关重要，而且支持整个食物链，因为草食动物依赖植物获取养分。此外，“近紫外线”在医学领域也很重要。它们被用于光疗法，这是一种涉及将患者暴露于特定波长光线的治疗方法。这种方法在治疗银屑病和湿疹等皮肤疾病方面非常有效。“近紫外线”的治疗效果源于其减少炎症和促进受损皮肤愈合的能力。另一方面，尽管“近紫外线”有益，但过度暴露也存在风险。长期接触这些光线可能导致皮肤损伤，包括晒伤和增加皮肤癌的风险。因此，保护自己免受过度暴露至关重要，尤其是在阳光最强烈的时段，这时“近紫外线”的强度最大。使用防晒霜、保护性服装和太阳镜可以帮助减轻这些风险。在技术领域，“近紫外线”被广泛应用于各类应用，如半导体的生产和紫外线消毒过程。例如，UV-C光线，包括“近紫外线”，被广泛用于医院和实验室的表面和空气消毒。在全球健康危机的背景下，这一应用变得越来越相关，因为维持无菌环境至关重要。总之，“近紫外线”是电磁谱中一个迷人的方面，值得更多关注。它们在自然、医学和技术中的作用突显了它们在我们日常生活中的重要性。通过理解与“近紫外线”相关的好处和潜在危害，我们能够更好地欣赏它们对我们世界的影响，并在接触这些光线时做出明智的决定。随着科学的不断进步，进一步的研究可能会揭示“近紫外线”的更多应用和影响，为各个领域的创新解决方案铺平道路。