luminesce

简明释义

英[ˌluːməˈnes]美[ˌlʊməˈnes]

vi. 发冷光

第 三 人 称 单 数 l u m i n e s c e s

现 在 分 词 l u m i n e s c i n g

过 去 式 l u m i n e s c e d

过 去 分 词 l u m i n e s c e d

英英释义

单词用法

同义词

反义词

例句

1.Notably, these organometallic nanosheets luminesce in the red to near infrared region, and their electronic conductivity can be modulated by visible-light irradiation.

尤其是这些有机金属纳米片在红色到计划外区发光，而他们的电子电导率可以用可见光辐照来调整。

2.Notably, these organometallic nanosheets luminesce in the red to near infrared region, and their electronic conductivity can be modulated by visible-light irradiation.

尤其是这些有机金属纳米片在红色到计划外区发光，而他们的电子电导率可以用可见光辐照来调整。

3.The fireflies began to luminesce as the sun set, creating a magical atmosphere in the garden.

随着太阳落下，萤火虫开始发光，在花园里营造出一种神奇的氛围。

4.Scientists are studying how certain organisms can luminesce in the dark.

科学家正在研究某些生物如何在黑暗中发光。

5.During the experiment, the chemical reaction caused the solution to luminesce brightly.

在实验过程中，化学反应使溶液发光。

6.Some deep-sea creatures luminesce to attract prey or communicate with each other.

一些深海生物通过发光来吸引猎物或彼此交流。

7.The glow-in-the-dark paint will luminesce when exposed to light.

这种夜光漆在光照下会发光。

作文

In the realm of science, there are many fascinating phenomena that capture our imagination. One such phenomenon is the ability of certain materials to luminesce (发光) in the dark. This property can be observed in various natural and synthetic substances, making it a topic of great interest for researchers and enthusiasts alike. The study of luminescence (发光现象) not only sheds light on the fundamental principles of physics and chemistry but also opens doors to numerous practical applications in our daily lives.There are several types of luminescence (发光现象), including fluorescence, phosphorescence, and chemiluminescence. Each type exhibits unique characteristics and mechanisms. For instance, fluorescence occurs when a substance absorbs light or other electromagnetic radiation and then re-emits it almost instantaneously. This rapid process is why fluorescent lights are so efficient and widely used in homes and offices. On the other hand, phosphorescence involves a delayed re-emission of light, allowing certain materials to continue to luminesce (发光) even after the initial light source has been removed. This property is seen in glow-in-the-dark products, which can provide illumination during power outages or in dark environments.Chemiluminescence, another fascinating type of luminescence (发光现象), occurs as a result of chemical reactions. A common example is the glow of fireflies, which produce light through a biochemical reaction in their bodies. This natural form of luminescence (发光现象) serves various purposes, such as attracting mates or deterring predators. Scientists have been inspired by this natural wonder, leading to innovations in biotechnology and medical imaging, where luminescent (发光的) markers are used to track biological processes.The significance of luminescence (发光现象) extends beyond scientific curiosity; it has practical implications in various fields. In medicine, for example, luminescent (发光的) compounds are utilized in diagnostic imaging techniques, enabling healthcare professionals to visualize internal structures and identify abnormalities. In environmental science, luminescent (发光的) sensors are developed to detect pollutants and monitor water quality. These advancements highlight the importance of understanding luminescence (发光现象) and its applications in addressing real-world challenges.Moreover, the aesthetic appeal of luminescent (发光的) materials cannot be overlooked. Artists and designers often incorporate luminescent (发光的) elements into their work, creating stunning visual effects that captivate audiences. From glowing art installations to fashion that shines in the dark, the creative possibilities are endless. This intersection of science and art showcases how luminescence (发光现象) can inspire innovation and creativity.In conclusion, the ability to luminesce (发光) is a remarkable characteristic exhibited by various materials, both natural and synthetic. Understanding the different types of luminescence (发光现象) and their applications enriches our knowledge of the world around us. Whether in scientific research, medical advancements, or artistic expression, luminescence (发光现象) continues to illuminate our lives in countless ways. As we delve deeper into this captivating subject, we may uncover even more potential uses and insights that could shape our future.

在科学领域，有许多迷人的现象吸引着我们的想象力。其中一个现象是某些材料在黑暗中能够luminesce（发光）。这种特性可以在多种自然和合成物质中观察到，使其成为研究人员和爱好者极感兴趣的话题。对luminescence（发光现象）的研究不仅揭示了物理和化学的基本原理，还为我们日常生活中的众多实际应用打开了大门。luminescence（发光现象）有几种类型，包括荧光、磷光和化学发光。每种类型都表现出独特的特征和机制。例如，荧光发生在某种物质吸收光或其他电磁辐射后，几乎瞬间重新发射光。这种快速过程就是为什么荧光灯如此高效并广泛用于家庭和办公室。另一方面，磷光涉及光的延迟重新发射，使某些材料在初始光源被移除后仍然能够luminesce（发光）。这种特性在夜光产品中得以体现，在停电或黑暗环境中提供照明。化学发光是另一种迷人的luminescence（发光现象），它是由于化学反应而发生的。一个常见的例子是萤火虫的光芒，它们通过身体内的生化反应产生光。这种自然的luminescence（发光现象）服务于多种目的，例如吸引配偶或威慑捕食者。科学家们受到这一自然奇观的启发，推动了生物技术和医学成像的创新，其中使用luminescent（发光的）标记来追踪生物过程。luminescence（发光现象）的重要性超越了科学好奇心；它在多个领域具有实际意义。例如，在医学中，luminescent（发光的）化合物用于诊断成像技术，使医疗专业人员能够可视化内部结构并识别异常。在环境科学中，开发了luminescent（发光的）传感器，以检测污染物和监测水质。这些进展突显了理解luminescence（发光现象）及其在应对现实世界挑战中的应用的重要性。此外，luminescent（发光的）材料的美学吸引力也不容忽视。艺术家和设计师经常将luminescent（发光的）元素融入他们的作品中，创造出令人惊叹的视觉效果，吸引观众。从发光的艺术装置到在黑暗中闪耀的时尚，创意的可能性是无穷无尽的。科学与艺术的交集展示了luminescence（发光现象）如何激发创新和创造力。总之，能够luminesce（发光）是一种由多种材料（无论是自然的还是合成的）表现出的非凡特性。理解不同类型的luminescence（发光现象）及其应用丰富了我们对周围世界的认识。无论是在科学研究、医学进步还是艺术表达中，luminescence（发光现象）以无数方式继续照亮我们的生活。当我们深入探讨这一迷人的主题时，我们可能会发现更多潜在的用途和见解，从而塑造我们的未来。