phosphorescence

简明释义

英[ˌfɒsfəˈresns]美[ˌfɑːsfəˈresns]

n. 磷光；磷光现象

英英释义

单词用法

同义词

反义词

例句

1.This paper systematically studies the effect of low softening temperature transparent glass frits composition on phosphorescence properties of photoluminescence glaze;

本文系统地研究了低温软化透明釉料组成对光致发光釉发光性能的影响；

2.In this paper the named process, progress of study and the several theory problems encountered in research on non-protected room temperature phosphorescence are described.

介绍了无保护流体室温磷光的命名过程，研究进展和研究中碰到的若干理论问题。

3.Long persistent phosphors is that the phosphors can maintain their phosphorescence after remove of the excitation source.

长余辉发光是指当激发光源切断后仍能持续发光的现象。

4.The phosphorescence bands on stamps of 8 different countries were examined.

曾测验过8个不同国家的邮票上的磷光带。

5.The present invention provides an organic EL device utilizing phosphorescence which can be driven at a low voltage, which realizes high luminance and high efficiency, and which has a long lifetime.

本发明提供了可以在低电压下驱动、实现高亮度和高效率并具有长 寿命的利用磷光的有机EL元件。

6.They came in a pack and he could only see the lines in the water that their fins made and their phosphorescence as they threw themselves on the fish.

它们是成群袭来的，朝那鱼直扑，他只看见它们的鳍在水面上划出的一道道线，还有它们的磷光。

7.The delayed fluorescence of 1-amino-4-hydroxy-anthraquinone is observed in the phosphorescence spectrum of dyed nylon-6 fiber.

在研究用染料1 -氨基- 4 -羟基蒽醌染色的尼龙- 6单丝的燐光光谱时，观察到染料的延迟荧光。

8.The glow-in-the-dark stars on the ceiling are a result of phosphorescence, which is the emission of light after absorbing photons.

天花板上的夜光星星是由于磷光，即吸收光子后发光的现象。

9.Some marine organisms exhibit phosphorescence, allowing them to glow in the dark waters of the ocean.

一些海洋生物表现出磷光，使它们在黑暗的海水中发光。

10.The phosphorescence of the mineral can be observed under ultraviolet light, revealing its unique properties.

在紫外线下可以观察到矿物的磷光，揭示其独特的性质。

11.Children love toys that incorporate phosphorescence so they can play with them even in the dark.

孩子们喜欢带有磷光的玩具，这样他们即使在黑暗中也能玩耍。

12.The phosphorescence of certain fungi can be mesmerizing, attracting attention in the dim forest.

某些真菌的磷光可能令人着迷，在昏暗的森林中吸引注意。

作文

Phosphorescence is a fascinating phenomenon that occurs when certain materials absorb light energy and then re-emit it over an extended period of time. This process is not only intriguing from a scientific perspective, but it also has various applications in our daily lives. To understand phosphorescence (磷光现象), we must first explore the underlying principles that govern this unique ability of certain substances. The basic principle of phosphorescence (磷光现象) involves the absorption of photons, which are particles of light. When a material absorbs light, its electrons become excited and move to a higher energy level. In most cases, these electrons quickly return to their original state, releasing energy in the form of light almost instantaneously, a process known as fluorescence. However, in phosphorescent materials, the excited electrons enter a 'forbidden' energy state, where they remain trapped for a longer duration before eventually returning to their ground state. This delay in the release of energy is what gives rise to the characteristic glow of phosphorescence (磷光现象). One of the most common examples of phosphorescence (磷光现象) can be seen in glow-in-the-dark materials, such as those used in toys, watch dials, and safety signs. These products often contain compounds like zinc sulfide or strontium aluminate, which are known for their phosphorescent properties. When exposed to light, these materials absorb energy and emit a soft glow in the dark, making them both functional and visually appealing. The applications of phosphorescence (磷光现象) extend beyond novelty items. In the field of safety, phosphorescent materials are crucial for emergency exit signs and pathway markers. During power outages or emergencies, these signs provide essential visibility, guiding people to safety without the need for external lighting sources. Moreover, researchers are investigating the potential of phosphorescence (磷光现象) in the development of more efficient lighting technologies, such as LED lights that can harness this phenomenon to enhance brightness and reduce energy consumption. In addition to practical uses, phosphorescence (磷光现象) also captivates artists and designers. The ability to create glowing effects in artwork or interior design adds a unique dimension to visual expression. Artists often experiment with phosphorescent paints and materials to create stunning installations that come alive in the dark, inviting viewers to engage with their work in new and exciting ways. Furthermore, the study of phosphorescence (磷光现象) has implications in various scientific fields, including chemistry, physics, and materials science. Understanding how different materials exhibit this property can lead to advancements in technology and innovation. For instance, scientists are exploring the use of phosphorescent materials in solar energy applications, where they could potentially improve the efficiency of solar panels by capturing and re-emitting sunlight. In conclusion, phosphorescence (磷光现象) is a remarkable natural occurrence that blends science, art, and practicality. From its role in safety and technology to its aesthetic appeal in creative expressions, the phenomenon of phosphorescence (磷光现象) continues to inspire curiosity and innovation. As we delve deeper into understanding this captivating process, we may uncover even more applications that can benefit society and enhance our daily lives.

磷光现象是一种迷人的现象，当某些材料吸收光能后，能够在较长时间内重新发射光。这一过程不仅从科学角度令人着迷，而且在我们的日常生活中也有各种应用。要理解phosphorescence（磷光现象），我们必须首先探讨支配这种独特能力的基本原理。 phosphorescence（磷光现象）的基本原理涉及光子的吸收，光子是光的粒子。当材料吸收光时，其电子会变得激发并移动到更高的能级。在大多数情况下，这些电子会迅速返回其原始状态，几乎瞬间释放能量，以光的形式发出，这一过程称为荧光。然而，在磷光材料中，激发的电子进入一个“禁止”的能量状态，在那里它们被困留更长的时间，然后最终返回到基态。这种能量释放的延迟就是产生phosphorescence（磷光现象）特征性发光的原因。 phosphorescence（磷光现象）的一个常见例子可以在夜光材料中看到，例如那些用于玩具、手表刻度和安全标志的材料。这些产品通常含有像硫化锌或铝酸锶这样的化合物，这些化合物以其磷光特性而闻名。当暴露在光下时，这些材料吸收能量，并在黑暗中发出柔和的光，使它们既实用又具有视觉吸引力。 phosphorescence（磷光现象）的应用超越了新奇物品。在安全领域，磷光材料对于紧急出口标志和通道标记至关重要。在停电或紧急情况下，这些标志提供了必要的可见性，引导人们在没有外部照明源的情况下安全撤离。此外，研究人员正在调查phosphorescence（磷光现象）在开发更高效照明技术中的潜力，例如可以利用这一现象增强亮度并减少能耗的LED灯。 除了实用用途，phosphorescence（磷光现象）还吸引着艺术家和设计师。创造艺术作品或室内设计中发光效果的能力为视觉表达增添了独特的维度。艺术家们经常使用磷光涂料和材料进行实验，以创造在黑暗中生动的惊人装置，邀请观众以新的方式与他们的作品互动。 此外，phosphorescence（磷光现象）的研究在化学、物理和材料科学等多个科学领域都有重要意义。理解不同材料如何表现出这一特性可以推动技术和创新的进步。例如，科学家们正在探索在太阳能应用中使用磷光材料的可能性，它们可能通过捕获和重新发射阳光来提高太阳能电池板的效率。 总之，phosphorescence（磷光现象）是一种结合科学、艺术和实用性的非凡自然现象。从它在安全和技术方面的作用，到它在创意表达中的美学吸引力，phosphorescence（磷光现象）这一现象继续激发我们的好奇心和创新精神。随着我们深入了解这一迷人过程，我们可能会发现更多可以造福社会并提升我们日常生活的应用。