thermal radiation

简明释义

热辐射

英英释义

例句

1.Infrared cameras can detect thermal radiation 热辐射 from objects, allowing us to see heat patterns.

红外线相机可以探测到物体发出的热辐射热辐射，使我们能够看到热模式。

2.Engineers must consider thermal radiation 热辐射 when designing spacecraft to ensure they can withstand extreme temperatures.

工程师在设计航天器时必须考虑热辐射热辐射，以确保它们能够承受极端温度。

3.The sun emits a significant amount of thermal radiation 热辐射, which is essential for life on Earth.

太阳发出大量的热辐射热辐射，这对地球上的生命至关重要。

4.During the night, the ground loses heat through thermal radiation 热辐射, causing temperatures to drop.

在夜间，地面通过热辐射热辐射失去热量，导致温度下降。

5.In space, thermal radiation 热辐射 is the primary means of heat transfer since there is no air.

在太空中，热辐射热辐射是主要的热传递方式，因为那里没有空气。

作文

Thermal radiation is a fundamental concept in physics that refers to the emission of electromagnetic waves from all matter that has a temperature greater than absolute zero. This process occurs because the particles within an object are constantly moving and vibrating, which leads to the release of energy in the form of electromagnetic radiation. Understanding thermal radiation (热辐射) is essential for various applications, including climate science, engineering, and even everyday life. One of the most familiar examples of thermal radiation (热辐射) is the heat we feel from the sun. The sun emits a vast amount of energy, which travels through the vacuum of space and reaches the Earth. This energy is primarily in the form of visible light and infrared radiation, both of which are manifestations of thermal radiation (热辐射). When this radiation strikes the surface of the Earth, it warms the land, water, and atmosphere, playing a crucial role in maintaining the planet's climate and supporting life. In engineering, understanding thermal radiation (热辐射) is vital for designing efficient heating and cooling systems. For example, engineers must consider how buildings absorb and emit thermal radiation (热辐射) to maintain comfortable indoor temperatures. Insulation materials are designed to minimize heat loss through thermal radiation (热辐射), ensuring that homes remain warm in winter and cool in summer. Similarly, in industrial settings, managing thermal radiation (热辐射) can improve energy efficiency and reduce costs. Another important aspect of thermal radiation (热辐射) is its role in climate change. Greenhouse gases in the atmosphere trap some of the thermal radiation (热辐射) emitted by the Earth's surface, preventing it from escaping into space. This phenomenon is known as the greenhouse effect and is a significant contributor to global warming. Scientists study thermal radiation (热辐射) to understand how changes in atmospheric composition can alter the Earth's energy balance and impact climate patterns. In everyday life, we encounter thermal radiation (热辐射) when we use appliances like toasters, ovens, and heaters. These devices generate heat through electrical resistance or combustion, emitting thermal radiation (热辐射) that cooks food or warms our living spaces. Understanding how thermal radiation (热辐射) works can help us use these appliances more efficiently and safely. For instance, knowing that dark surfaces absorb more thermal radiation (热辐射) than light ones can influence our choices in cookware and home decor. In conclusion, thermal radiation (热辐射) is a critical concept that intersects with many aspects of science and daily life. From the warmth of the sun to the design of energy-efficient buildings, understanding thermal radiation (热辐射) helps us navigate the world around us. As we continue to face challenges related to energy consumption and climate change, a deeper comprehension of thermal radiation (热辐射) will be essential for developing sustainable solutions and improving our quality of life.