radiation law

简明释义

辐射法则

英英释义

例句

1.The study of the sun's energy output is often governed by the radiation law.

对太阳能量输出的研究通常受制于辐射定律。

2.According to the radiation law, hotter objects emit more radiation than cooler ones.

根据辐射定律，较热的物体发出的辐射比较冷的物体多。

3.The radiation law plays a crucial role in climate modeling.

辐射定律在气候模型中起着至关重要的作用。

4.Engineers must consider the radiation law when designing thermal systems.

工程师在设计热系统时必须考虑辐射定律。

5.In astrophysics, the radiation law helps us understand how stars emit light.

在天体物理学中，辐射定律帮助我们理解恒星如何发光。

作文

The study of physics encompasses a wide array of topics, one of which is the concept of radiation. A fundamental principle in this field is the radiation law, which governs how energy is emitted by bodies in the form of electromagnetic waves. This law is crucial for understanding various phenomena, from the warmth of the sun to the functioning of everyday appliances that utilize infrared radiation. At its core, the radiation law states that the amount of energy radiated by a black body per unit area is directly proportional to the fourth power of its absolute temperature. This relationship is articulated in Stefan-Boltzmann Law, which is a key component of thermal radiation theory. The implications of this law are significant in multiple domains, including astronomy, climate science, and engineering. For instance, it allows scientists to estimate the temperature of distant stars based on their emitted radiation.In practical terms, the radiation law explains why hotter objects emit more radiation than cooler ones. This principle can be observed in everyday life; when you touch a hot stove, the heat you feel is due to the infrared radiation being emitted by the stove's surface. Similarly, the sun, with its incredibly high surface temperature, emits vast amounts of energy that travel through space and warm our planet.Moreover, the radiation law plays a vital role in understanding the greenhouse effect. Certain gases in the Earth's atmosphere trap heat by absorbing infrared radiation emitted from the Earth's surface. This process is essential for maintaining the planet's temperature, but excessive greenhouse gas emissions have led to global warming, illustrating a critical application of the radiation law in environmental science.In engineering, the radiation law is applied in designing systems that involve heat transfer, such as radiators and heat exchangers. By understanding how different materials emit and absorb radiation, engineers can create more efficient systems that minimize energy loss. Furthermore, the radiation law also has implications in the field of medicine, particularly in radiation therapy for cancer treatment. Understanding how radiation interacts with biological tissues allows medical professionals to target tumors effectively while minimizing damage to surrounding healthy tissues.In conclusion, the radiation law is a foundational concept in physics that has far-reaching implications across various fields. Its ability to explain how energy is emitted and absorbed by different bodies not only enhances our understanding of the natural world but also informs practical applications that improve our daily lives. From the warmth of the sun to advanced medical treatments, the radiation law continues to be a pivotal element in both scientific inquiry and technological advancement.

物理学的研究涵盖了广泛的主题，其中一个概念是辐射的概念。在这个领域中，一个基本原理是辐射定律，它支配着物体以电磁波的形式发射能量的方式。这个定律对于理解各种现象至关重要，从太阳的温暖到利用红外辐射的日常电器的运作。在其核心，辐射定律指出，每单位面积由黑体辐射的能量与其绝对温度的四次方成正比。这一关系在斯特藩-玻尔兹曼定律中得到了阐述，是热辐射理论的关键组成部分。该定律的意义在多个领域中都非常重要，包括天文学、气候科学和工程学。例如，它使科学家能够根据发出的辐射估算遥远恒星的温度。在实际应用中，辐射定律解释了为什么更热的物体会比冷物体辐射更多的能量。这一原理可以在日常生活中观察到；当你触摸热炉时，你感受到的热量是由于炉面发出的红外辐射。同样，太阳表面温度极高，辐射出大量能量，穿越太空并温暖我们的星球。此外，辐射定律在理解温室效应方面发挥着重要作用。地球大气中的某些气体通过吸收从地球表面发出的红外辐射来捕获热量。这个过程对于维持地球的温度至关重要，但过量的温室气体排放导致全球变暖，说明了辐射定律在环境科学中的关键应用。在工程学中，辐射定律被应用于设计涉及热传递的系统，如散热器和热交换器。通过理解不同材料如何发射和吸收辐射，工程师可以创造出更高效的系统，最大限度地减少能量损失。此外，辐射定律在医学领域也有影响，特别是在癌症治疗的放射治疗中。了解辐射如何与生物组织相互作用，使医疗专业人员能够有效地针对肿瘤，同时最小化对周围健康组织的损害。总之，辐射定律是物理学中的基础概念，在各个领域都有深远的影响。它解释了能量如何被不同物体发射和吸收，不仅增强了我们对自然世界的理解，还为改善我们日常生活的实际应用提供了信息。从太阳的温暖到先进的医疗治疗，辐射定律继续成为科学探究和技术进步中的关键元素。