radiant power

简明释义

放射功率

英英释义

例句

1.The radiant power 辐射功率 emitted by incandescent bulbs is less efficient compared to LED lights.

白炽灯泡发出的radiant power 辐射功率相较于LED灯光效率较低。

2.Engineers must calculate the radiant power 辐射功率 of lasers to ensure they are safe for medical use.

工程师必须计算激光的radiant power 辐射功率，以确保其在医疗使用中的安全性。

3.Astronomers measure the radiant power 辐射功率 of stars to understand their luminosity and distance from Earth.

天文学家测量恒星的radiant power 辐射功率以了解其亮度和与地球的距离。

4.The sun emits a significant amount of radiant power 辐射功率, which is essential for life on Earth.

太阳发出大量的radiant power 辐射功率，这是地球上生命所必需的。

5.In solar panels, the efficiency is often determined by the amount of radiant power 辐射功率 they can convert into electricity.

在太阳能电池板中，效率通常由它们能够转化为电力的radiant power 辐射功率的数量来决定。

作文

In the realm of physics, the concept of radiant power refers to the amount of energy emitted by a source in the form of electromagnetic radiation per unit time. This term is crucial for understanding how different forms of light and heat are produced, transferred, and absorbed in various environments. To grasp the significance of radiant power, we must explore its applications in everyday life and its implications in numerous scientific fields.One of the most common examples of radiant power can be observed in the sun. The sun emits an enormous amount of energy, which is essential for life on Earth. This energy travels through space in the form of sunlight, providing warmth and enabling photosynthesis in plants. The total radiant power emitted by the sun is approximately 3.8 x 10^26 watts, a staggering figure that highlights the sun's role as the primary energy source for our planet.In addition to natural sources, radiant power is also significant in artificial lighting. For instance, incandescent bulbs, fluorescent tubes, and LED lights all emit light through different mechanisms, each with varying efficiencies and radiant power. Understanding the radiant power of these artificial sources helps consumers make informed decisions about energy consumption and environmental impact. For example, LED lights are known for their high efficiency and lower radiant power consumption compared to traditional incandescent bulbs, making them a more eco-friendly choice.Moreover, radiant power plays a vital role in the field of telecommunications. Fiber optic cables, which are used to transmit data over long distances, rely on light signals that possess specific radiant power levels. The efficiency of data transmission can be directly linked to the radiant power of the light signals used, emphasizing the importance of this concept in modern technology.In the realm of health and medicine, radiant power is also significant. Medical imaging techniques, such as X-rays and MRI, utilize different forms of electromagnetic radiation to diagnose and treat various conditions. The radiant power of these imaging devices must be carefully calibrated to ensure patient safety while still providing accurate diagnostic information.Furthermore, the study of radiant power extends into environmental science, particularly in the context of climate change. Understanding the radiant power absorbed and emitted by the Earth’s surface is crucial for modeling climate systems and predicting future changes. Scientists use this knowledge to assess how human activities, such as deforestation and fossil fuel combustion, alter the natural balance of radiant power in the atmosphere.In conclusion, the concept of radiant power is integral to various aspects of our lives, from natural phenomena like sunlight to technological advancements in communication and healthcare. By deepening our understanding of radiant power, we can make better choices regarding energy consumption, health practices, and environmental stewardship. As we continue to explore the intricacies of physics and its applications, the significance of radiant power will undoubtedly remain a focal point of scientific inquiry and innovation.

在物理学领域，辐射功率的概念指的是一个源以电磁辐射的形式每单位时间发出的能量量。这个术语对于理解不同形式的光和热是如何产生、转移和吸收的至关重要。要掌握辐射功率的重要性，我们必须探讨其在日常生活中的应用以及在众多科学领域中的影响。最常见的辐射功率例子可以在太阳中观察到。太阳发出巨量的能量，这对地球上的生命至关重要。这种能量以阳光的形式穿越太空，提供温暖并使植物能够进行光合作用。太阳发出的总辐射功率大约为3.8 x 10^26瓦特，这一惊人的数字突显了太阳作为我们星球主要能源的角色。除了自然来源，辐射功率在人工照明中也很重要。例如，白炽灯、荧光灯管和LED灯都通过不同的机制发出光，每种光源的效率和辐射功率各不相同。了解这些人工光源的辐射功率有助于消费者做出关于能耗和环境影响的明智选择。例如，LED灯以其高效率和较低的辐射功率消耗而闻名，相较于传统的白炽灯泡，它们是一种更环保的选择。此外，辐射功率在电信领域也发挥着重要作用。光纤电缆用于长距离传输数据，依赖于具有特定辐射功率水平的光信号。数据传输的效率可以直接与所使用光信号的辐射功率相关联，强调了这一概念在现代技术中的重要性。在健康和医学领域，辐射功率同样重要。医学成像技术，如X射线和MRI，利用不同形式的电磁辐射来诊断和治疗各种疾病。这些成像设备的辐射功率必须经过精确校准，以确保患者安全，同时提供准确的诊断信息。此外，辐射功率的研究延伸到环境科学，特别是在气候变化的背景下。理解地球表面吸收和发出的辐射功率对于建模气候系统和预测未来变化至关重要。科学家利用这些知识来评估人类活动，如森林砍伐和化石燃料燃烧，如何改变大气中辐射功率的自然平衡。总之，辐射功率的概念在我们生活的各个方面都是不可或缺的，从阳光等自然现象到通信和医疗保健等技术进步。通过加深对辐射功率的理解，我们可以在能源消费、健康实践和环境保护方面做出更好的选择。随着我们继续探索物理学及其应用的复杂性，辐射功率的重要性无疑将继续成为科学研究和创新的焦点。