thermal radiation

简明释义

热辐射

英英释义

例句

1.Infrared cameras detect thermal radiation 热辐射 emitted by objects.

红外相机探测到物体发出的热辐射热辐射。

2.During the night, the ground loses heat through thermal radiation 热辐射 into the atmosphere.

在夜间，地面通过热辐射热辐射向大气散失热量。

3.The sun emits a significant amount of thermal radiation 热辐射, which warms the Earth.

太阳发出大量的热辐射热辐射，使地球变暖。

4.In a vacuum, thermal radiation 热辐射 is the only form of heat transfer.

在真空中，热辐射热辐射是唯一的热传递方式。

5.The design of the building includes materials that reflect thermal radiation 热辐射 to maintain temperature.

建筑设计采用反射热辐射热辐射的材料以维持温度。

作文

Thermal radiation is a form of energy that is emitted by all objects based on their temperature. This phenomenon occurs when the particles within an object vibrate and generate electromagnetic waves. The higher the temperature of the object, the more intense the vibrations and the shorter the wavelength of the emitted radiation. In essence, thermal radiation (热辐射) is a crucial mechanism through which heat is transferred from one body to another without the need for a medium, such as air or water.One of the most common examples of thermal radiation (热辐射) can be observed when we stand near a fire or a hot stove. We can feel the warmth radiating towards us even if there is no direct contact with the heat source. This is because the fire emits infrared radiation, which travels through the air and warms our skin upon contact. The concept of thermal radiation (热辐射) is pivotal in understanding various natural phenomena, including how the Earth receives energy from the sun.The sun emits a vast amount of energy, primarily in the form of visible light and infrared radiation. When this energy reaches the Earth, it is absorbed by the planet's surface, which then re-emits some of this energy back into space as thermal radiation (热辐射). This process is essential for maintaining the Earth's temperature and supporting life. Without the balance of incoming solar energy and outgoing thermal radiation (热辐射), the Earth would either become too hot or too cold for life to thrive.In engineering and technology, thermal radiation (热辐射) plays a significant role in the design of thermal insulation materials. For instance, buildings are often equipped with insulation that minimizes heat loss due to thermal radiation (热辐射). By using reflective materials, builders can reduce the amount of heat that escapes from a building during colder months, thus improving energy efficiency. Similarly, in space exploration, spacecraft are designed to manage thermal radiation (热辐射) effectively, ensuring that they do not overheat or lose critical heat while traveling through the vacuum of space.Moreover, thermal radiation (热辐射) is also utilized in various technologies, such as infrared cameras and thermal imaging systems. These devices detect the thermal radiation (热辐射) emitted by objects, allowing us to visualize temperature differences. This capability is invaluable in fields like medicine, where it can help identify areas of inflammation or infection, and in building inspections, where it can reveal heat leaks.In summary, thermal radiation (热辐射) is a fundamental concept that impacts many aspects of our daily lives and the natural world. From the warmth we feel from a campfire to the way our planet balances energy from the sun, understanding thermal radiation (热辐射) enhances our comprehension of both natural phenomena and technological advancements. As we continue to explore and innovate, the principles of thermal radiation (热辐射) will undoubtedly remain at the forefront of scientific inquiry and practical application.

热辐射是一种由所有物体根据其温度发出的能量形式。这一现象发生在物体内部的粒子振动并产生电磁波时。物体的温度越高，振动越强烈，发出的辐射波长越短。本质上，热辐射（thermal radiation）是热量从一个物体传递到另一个物体的重要机制，而不需要空气或水等介质。我们在火堆或热炉旁时，可以观察到热辐射（thermal radiation）的一个常见例子。即使我们与热源没有直接接触，也能感受到向我们辐射的温暖。这是因为火焰发出红外辐射，这些辐射通过空气传播，并在接触到我们的皮肤时加热。热辐射（thermal radiation）的概念对于理解各种自然现象至关重要，包括地球如何从太阳接收能量。太阳发出大量能量，主要以可见光和红外辐射的形式。当这些能量抵达地球时，被地球表面吸收，随后再将部分能量以热辐射（thermal radiation）的形式重新辐射回太空。这一过程对维持地球温度和支持生命至关重要。如果没有进入的太阳能量和外出的热辐射（thermal radiation）的平衡，地球将变得过热或过冷，无法支持生命。在工程和技术中，热辐射（thermal radiation）在热绝缘材料的设计中发挥着重要作用。例如，建筑物通常配备绝缘材料，以最小化由于热辐射（thermal radiation）造成的热量损失。通过使用反射材料，建筑商可以减少在寒冷月份从建筑物中逃逸的热量，从而提高能源效率。同样，在太空探索中，航天器的设计也必须有效管理热辐射（thermal radiation），确保它们在太空真空中旅行时不会过热或失去关键热量。此外，热辐射（thermal radiation）还被应用于各种技术中，例如红外相机和热成像系统。这些设备可以检测物体发出的热辐射（thermal radiation），使我们能够可视化温度差异。这种能力在医学等领域非常宝贵，可以帮助识别炎症或感染区域，以及在建筑检查中揭示热泄漏。总之，热辐射（thermal radiation）是一个基本概念，影响着我们日常生活的许多方面和自然界。从我们在篝火旁感受到的温暖到地球如何平衡来自太阳的能量，理解热辐射（thermal radiation）增强了我们对自然现象和技术进步的理解。随着我们不断探索和创新，热辐射（thermal radiation）的原理无疑将继续处于科学研究和实际应用的前沿。