luminescence

简明释义

英[ˌluːmɪˈnesns]美[ˌluːmɪˈnesns]

n. [光] 发冷光

英英释义

单词用法

同义词

反义词

例句

1.The effect of energy transfer is an important phenomenon in luminescence material.

能量传递是发光材料中的重要现象。

2.Finally the model of luminescence decay in this phosphor is proposed according to experimental results.

最后，根据实验结果，提出了这种磷光体发光衰减过程的物理模型。

3.Lights reflected off dust-covered walls creating a ghostly luminescence.

灯光照在满是灰尘的墙上，反射回苍白的冷光。

4.In Luminescence mode, Triathler allows a full range of techniques common in microbiology, immunology, and genetic research.

处于发光模式时，该计数器适用于微生物学、免疫学和遗传研究中的很多共同技术。

5.Luminescence special point of view, higher prices.

特殊的发光角度，价格较高。

6.The still sketchy theory of luminescence in solids and liquids cannot be discussed here in detail.

在此不能详细讨论目前还很粗糙的固体和液体的发光理论。

7.The scientist studied the phenomenon of luminescence to understand how certain organisms produce light.

科学家研究了发光现象，以了解某些生物是如何产生光的。

8.In the dark, the jellyfish exhibited a beautiful luminescence that captivated everyone.

在黑暗中，水母展现出美丽的发光，让每个人都着迷。

9.The luminescence of the glow-in-the-dark paint made the room feel magical at night.

夜晚，夜光漆的发光让房间感觉如梦似幻。

10.Researchers are exploring how luminescence can be used in medical imaging.

研究人员正在探索如何将发光应用于医学成像。

11.The luminescence from the chemical reaction was bright enough to illuminate the entire lab.

化学反应产生的发光足以照亮整个实验室。

作文

Luminescence is a fascinating phenomenon that captivates scientists and the general public alike. It refers to the emission of light by a substance that has not been heated, in contrast to incandescence, which is light produced by high temperatures. The term ‘luminescence’ encompasses a variety of processes, including fluorescence, phosphorescence, and bioluminescence, each with its unique characteristics and applications. Understanding luminescence (发光) can lead to significant advancements in various fields such as medicine, environmental science, and technology. One of the most intriguing forms of luminescence (发光) is bioluminescence, which occurs in living organisms. This natural phenomenon is best exemplified by fireflies, which produce a soft glow during their mating rituals. The chemical reaction that leads to the production of light involves luciferin, a light-emitting molecule, and luciferase, an enzyme that catalyzes the reaction. Bioluminescence serves several purposes in nature, including attracting mates, deterring predators, and luring prey. Studying these natural light sources can inspire innovations in sustainable lighting solutions and improve our understanding of ecological interactions. In addition to biological contexts, luminescence (发光) plays a crucial role in various technological applications. For instance, fluorescent lights utilize the principles of luminescence (发光) to produce light efficiently. When electricity passes through a gas, it excites the atoms, causing them to emit ultraviolet light. This ultraviolet light then interacts with a phosphor coating on the inside of the bulb, producing visible light. This process is not only energy-efficient but also contributes to reducing greenhouse gas emissions, making it an essential aspect of modern lighting technology. Another exciting application of luminescence (发光) is in the field of medical diagnostics. Luminescent markers are often used in imaging techniques to visualize biological processes in real-time. For example, researchers can tag specific cells or proteins with luminescent dyes, allowing them to track changes in cellular activity or identify disease markers. This technique has revolutionized the way scientists understand complex biological systems and has paved the way for new treatments and therapies. The study of luminescence (发光) also extends to environmental science. Scientists utilize luminescent materials to monitor pollution levels in water bodies. Certain luminescent bacteria can be engineered to emit light in response to toxic substances, providing a visual indicator of contamination. This innovative approach allows for real-time monitoring of environmental health and can lead to more effective strategies for pollution control. In conclusion, luminescence (发光) is a multifaceted phenomenon that has captured the interest of researchers across various disciplines. From its role in nature, such as in bioluminescent organisms, to its applications in technology and medicine, the potential of luminescence (发光) is vast. As we continue to explore and understand this remarkable process, we can expect to uncover even more applications that will benefit society and enhance our understanding of the world around us. The future of luminescence (发光) research holds great promise, and it is an exciting time to be involved in this field.

发光是一个令人着迷的现象，吸引着科学家和公众的关注。它指的是一种物质在未被加热的情况下发出光，与因高温而产生的白炽光形成对比。‘发光’这个术语包含多种过程，包括荧光、磷光和生物发光，每种都有其独特的特征和应用。理解luminescence（发光）可以为医学、环境科学和技术等多个领域的重大进展铺平道路。 其中一种最引人入胜的luminescence（发光）形式是生物发光，它发生在生物体内。这种自然现象的最佳例子是萤火虫，它们在求偶仪式中发出柔和的光。导致光产生的化学反应涉及发光分子荧光素和催化反应的酶荧光素酶。生物发光在自然界中有多种用途，包括吸引配偶、威慑捕食者和诱捕猎物。研究这些自然光源可以激发可持续照明解决方案的创新，并改善我们对生态相互作用的理解。 除了生物背景外，luminescence（发光）在各种技术应用中也发挥着重要作用。例如，荧光灯利用luminescence（发光）的原理高效地产生光。当电流通过气体时，它激发原子，使其发出紫外光。这种紫外光随后与灯泡内部的荧光粉涂层相互作用，产生可见光。这一过程不仅能量高效，还能减少温室气体排放，使其成为现代照明技术的重要组成部分。 luminescence（发光）的另一个令人兴奋的应用是在医学诊断领域。荧光标记物常用于成像技术，以实时可视化生物过程。例如，研究人员可以用荧光染料标记特定细胞或蛋白质，从而追踪细胞活动的变化或识别疾病标志物。这项技术彻底改变了科学家对复杂生物系统的理解，并为新疗法的开发铺平了道路。 luminescence（发光）的研究还扩展到环境科学。科学家利用发光材料监测水体中的污染水平。某些发光细菌可以被工程化，以便在接触有毒物质时发出光，为污染提供可视化指标。这种创新方法允许实时监测环境健康，并可能导致更有效的污染控制策略。 总之，luminescence（发光）是一个多方面的现象，引起了各学科研究人员的兴趣。从它在自然界中的角色，如生物发光生物体，到它在技术和医学中的应用，luminescence（发光）的潜力是巨大的。随着我们继续探索和理解这一显著过程，我们可以期待发现更多将惠及社会并增强我们对周围世界理解的应用。luminescence（发光）研究的未来充满希望，参与这一领域的时机正好令人兴奋。