luminous intensity
简明释义
发光强度辉度
英英释义
Luminous intensity is a measure of the amount of light emitted by a source in a particular direction per unit solid angle, typically expressed in candelas. | 光强度是指光源在特定方向上每单位立体角发出的光的量,通常以坎德拉为单位表示。 |
例句
1.When measuring luminous intensity, it's important to consider the distance from the light source.
在测量光强度时,考虑与光源的距离非常重要。
2.The light bulb has a high luminous intensity, making it ideal for large spaces.
这个灯泡具有很高的光强度,非常适合大空间。
3.A laser pointer has a very focused luminous intensity that allows for precise pointing.
激光指示器具有非常集中的光强度,可以实现精确指向。
4.In photography, adjusting the luminous intensity can significantly affect the quality of the image.
在摄影中,调整光强度可以显著影响图像的质量。
5.The luminous intensity of the stars can vary greatly depending on their size and distance from Earth.
星星的光强度可以根据它们的大小和与地球的距离而变化很大。
作文
Light is an essential part of our daily lives, influencing everything from our mood to our productivity. One of the most important concepts in understanding light is luminous intensity, which refers to the amount of light emitted by a source in a particular direction per unit solid angle. This measure is crucial in various fields, including physics, photography, and interior design. By grasping the concept of luminous intensity, we can better appreciate how light interacts with our environment and affects our perception of space.In physics, luminous intensity is measured in candelas, which is a unit defined based on the light emitted by a standard candle. This measurement helps scientists and engineers design lighting systems that are both efficient and effective. For instance, when designing streetlights, urban planners must consider the luminous intensity to ensure that streets are adequately illuminated without causing light pollution. The right balance of luminous intensity can enhance safety and visibility, making public spaces more accessible during nighttime hours.In the realm of photography, understanding luminous intensity is vital for capturing images that convey the desired mood and atmosphere. Photographers often adjust their camera settings based on the luminous intensity of a scene to achieve the correct exposure. For example, in low-light situations, a photographer may increase the camera's sensitivity (ISO) or use a wider aperture to allow more light to hit the sensor. This adjustment ensures that the luminous intensity of the captured image matches the photographer's artistic vision.Interior designers also rely on the concept of luminous intensity when planning lighting schemes for homes and commercial spaces. The choice of light fixtures, their placement, and the type of bulbs used all affect the overall luminous intensity of a room. A well-lit space can make a small room feel larger and more inviting, while poor lighting can create a gloomy atmosphere. Designers must consider the luminous intensity in relation to the room's function; for example, a workspace requires brighter lighting compared to a cozy reading nook.Moreover, the psychological effects of luminous intensity cannot be overlooked. Studies have shown that different levels of light can influence our emotions and behaviors. Bright light, associated with high luminous intensity, can boost energy levels and improve focus, while dim lighting may promote relaxation and comfort. Understanding these effects allows architects and designers to create environments that cater to the needs of the occupants, enhancing both functionality and well-being.In conclusion, luminous intensity is a fundamental concept that transcends various disciplines, from science and technology to art and design. By understanding and applying this concept, we can create better lighting solutions that improve our quality of life. Whether it's ensuring safety on city streets, capturing the perfect photograph, or designing a welcoming home, the implications of luminous intensity are profound and far-reaching. As we continue to explore the relationship between light and our surroundings, the significance of luminous intensity will only grow, guiding us toward a brighter future.
光是我们日常生活中不可或缺的一部分,影响着我们的情绪和生产力。理解光的一个重要概念是发光强度,它指的是光源在特定方向上每单位立体角发出的光量。这个测量在物理学、摄影和室内设计等多个领域至关重要。通过掌握发光强度的概念,我们可以更好地欣赏光如何与环境互动,并影响我们对空间的感知。在物理学中,发光强度以坎德拉为单位进行测量,这是一种基于标准蜡烛发出的光而定义的单位。这个测量帮助科学家和工程师设计高效且有效的照明系统。例如,在设计街灯时,城市规划者必须考虑发光强度,以确保街道在夜间得到充分照明,同时避免光污染。适当的发光强度平衡可以增强安全性和可见性,使公共空间在夜间更加可及。在摄影领域,理解发光强度对于捕捉传达所需情绪和氛围的图像至关重要。摄影师通常根据场景的发光强度调整相机设置,以实现正确的曝光。例如,在低光环境下,摄影师可能会提高相机的灵敏度(ISO),或使用更大的光圈以允许更多光线进入传感器。这种调整确保捕获的图像的发光强度与摄影师的艺术愿景相匹配。室内设计师在为住宅和商业空间规划照明方案时,也依赖于发光强度的概念。灯具的选择、布置和使用的灯泡类型都会影响房间的整体发光强度。良好的照明可以使小房间感觉更大、更宜人,而差的照明则可能造成阴郁的气氛。设计师必须考虑房间功能与发光强度的关系;例如,工作空间需要比舒适的阅读角落更亮的照明。此外,发光强度的心理效应也不容忽视。研究表明,不同的光线水平可以影响我们的情绪和行为。明亮的光线,与高发光强度相关,可以提高能量水平和改善注意力,而昏暗的光线可能促进放松和舒适。理解这些效应使建筑师和设计师能够创造出满足居住者需求的环境,从而增强功能性和福祉。总之,发光强度是一个超越多个学科的基本概念,从科学和技术到艺术和设计。通过理解和应用这一概念,我们可以创造出更好的照明解决方案,提高我们的生活质量。无论是确保城市街道的安全、捕捉完美的照片,还是设计一个温馨的家,发光强度的影响都是深远的。在我们继续探索光与周围环境之间的关系时,发光强度的重要性只会增长,引导我们走向更光明的未来。
相关单词