luminous intensity

简明释义

发光强度

英英释义

例句

1.The light bulb has a high luminous intensity, making it suitable for brightening large rooms.

这个灯泡具有高光强，适合用来照亮大房间。

2.Different types of bulbs provide varying luminous intensity for different lighting needs.

不同类型的灯泡提供不同的光强，以满足不同的照明需求。

3.Street lights are designed to emit a luminous intensity that ensures visibility at night.

街灯设计为发出足够的光强，以确保夜间可见性。

4.The luminous intensity of a laser can be measured in terms of its brightness and focus.

激光的光强可以通过其亮度和聚焦程度来衡量。

5.In photography, understanding luminous intensity is crucial for achieving the right exposure.

在摄影中，理解光强对于获得正确的曝光至关重要。

作文

In the realm of physics and engineering, light plays a crucial role in our daily lives, influencing everything from our mood to our productivity. One of the fundamental concepts associated with light is luminous intensity, which refers to the amount of light emitted by a source in a particular direction per unit solid angle. This measurement is vital for understanding how light interacts with the environment and affects human perception. luminous intensity is measured in candelas (cd), a unit that provides a standardized way to quantify brightness. To illustrate the importance of luminous intensity, consider the design of street lighting. Urban planners must ensure that streets are adequately illuminated for safety and visibility. By calculating the luminous intensity required for each lamp post, they can determine the optimal spacing and height of lights to achieve uniform illumination across the area. If the luminous intensity is too low, dark spots may appear, leading to potential hazards for pedestrians and drivers alike. Conversely, excessive luminous intensity can cause light pollution, disrupting ecosystems and affecting the quality of life for nearby residents.In addition to its practical applications, luminous intensity also has significant implications in various fields such as photography, theater, and even astronomy. Photographers often rely on the concept of luminous intensity when adjusting their cameras to capture images under different lighting conditions. By understanding how luminous intensity affects exposure, they can create stunning visuals that convey emotion and narrative effectively.Theater lighting designers utilize luminous intensity to create moods and highlight performances. By manipulating the luminous intensity of stage lights, they can draw attention to specific actors or scenes, enhancing the overall storytelling experience. A well-lit scene can evoke feelings of warmth and intimacy, while a dimly lit scene can create tension or suspense.In the field of astronomy, luminous intensity becomes essential when studying celestial bodies. Astronomers measure the luminous intensity of stars and galaxies to determine their distance, size, and composition. Understanding the luminous intensity of these objects helps scientists unravel the mysteries of the universe, including the life cycle of stars and the expansion of galaxies.In conclusion, luminous intensity is a fundamental concept that transcends various disciplines, playing a critical role in both practical applications and theoretical studies. Its significance is evident in everyday scenarios, from ensuring safe urban environments to enhancing artistic expressions in photography and theater. As technology continues to evolve, our understanding of luminous intensity will undoubtedly deepen, leading to innovative solutions and discoveries that further illuminate our world.

在物理学和工程学的领域中，光在我们的日常生活中扮演着至关重要的角色，影响着我们的情绪和生产力。与光相关的基本概念之一是光强度，它指的是光源在特定方向上每单位立体角发出的光的量。这个测量对于理解光如何与环境相互作用以及如何影响人类感知至关重要。光强度的单位是坎德拉（cd），这是一个提供标准化方式来量化亮度的单位。为了说明光强度的重要性，可以考虑街道照明的设计。城市规划者必须确保街道得到充分照明，以保障安全和可见性。通过计算每个灯柱所需的光强度，他们可以确定灯光的最佳间距和高度，以实现区域内均匀的照明。如果光强度过低，可能会出现暗点，给行人和司机带来潜在的危险。相反，过高的光强度可能导致光污染，扰乱生态系统并影响附近居民的生活质量。除了实际应用外，光强度在摄影、戏剧甚至天文学等多个领域也具有重要意义。摄影师在调整相机以捕捉不同光照条件下的图像时，通常依赖于光强度的概念。通过理解光强度如何影响曝光，他们可以创造出有效传达情感和叙事的惊艳视觉效果。戏剧灯光设计师利用光强度来营造气氛并突出表演。通过操控舞台灯光的光强度，他们可以吸引观众注意特定演员或场景，从而增强整体故事体验。良好的照明场景可以唤起温暖和亲密的感觉，而昏暗的场景则可以创造紧张或悬念。在天文学领域，光强度在研究天体时变得至关重要。天文学家通过测量恒星和星系的光强度来确定它们的距离、大小和成分。理解这些天体的光强度帮助科学家揭开宇宙的奥秘，包括恒星的生命周期和星系的扩张。总之，光强度是一个超越各个学科的基本概念，在实际应用和理论研究中都发挥着关键作用。它的重要性在日常场景中显而易见，从确保安全的城市环境到增强摄影和戏剧中的艺术表现。随着技术的不断发展，我们对光强度的理解无疑会加深，带来创新的解决方案和发现，进一步照亮我们的世界。