infrared radiation

简明释义

红外线幅射红外线辐射

英英释义

例句

1.Thermal imaging cameras detect infrared radiation 红外辐射 emitted by objects, allowing us to see heat patterns.

热成像摄像机检测物体发出的红外辐射 infrared radiation，使我们能够看到热量模式。

2.In astronomy, scientists study infrared radiation 红外辐射 from distant stars to learn more about their composition.

在天文学中，科学家研究来自遥远恒星的红外辐射 infrared radiation 以了解它们的成分。

3.Some heaters use infrared radiation 红外辐射 to warm up a room quickly and efficiently.

一些加热器使用红外辐射 infrared radiation 快速有效地加热房间。

4.The infrared radiation 红外辐射 emitted by the sun is crucial for maintaining Earth's temperature.

太阳发出的红外辐射 infrared radiation 对维持地球温度至关重要。

5.Many remote controls operate using infrared radiation 红外辐射 to send signals to TVs and other devices.

许多遥控器使用红外辐射 infrared radiation 向电视和其他设备发送信号。

作文

Infrared radiation, often abbreviated as IR, is a type of electromagnetic radiation that lies between visible light and microwaves on the electromagnetic spectrum. It has wavelengths ranging from about 700 nanometers to 1 millimeter. This form of radiation is not visible to the human eye but can be felt as heat. For instance, when you stand in sunlight, the warmth you feel on your skin is largely due to infrared radiation (红外辐射) emitted by the sun. The significance of infrared radiation (红外辐射) extends beyond mere warmth. In the field of astronomy, astronomers utilize infrared telescopes to observe celestial bodies that are too cool or too distant to be seen with optical telescopes. These telescopes can detect the heat emitted by stars, galaxies, and other cosmic phenomena, providing valuable insights into the universe's formation and evolution.In addition to astronomy, infrared radiation (红外辐射) plays a crucial role in various technological applications. One of the most common uses is in remote controls for televisions and other electronic devices. The remote sends out a signal using infrared radiation (红外辐射), which is picked up by the device, allowing users to control it from a distance. Another significant application of infrared radiation (红外辐射) is in thermal imaging cameras. These cameras detect infrared radiation (红外辐射) emitted by objects, translating it into an image that shows temperature variations. This technology is widely used in various fields, including firefighting, building inspections, and even medical diagnostics. For example, thermal imaging can help identify areas of heat loss in buildings or detect fevers in patients, showcasing its versatility and importance.The environmental implications of infrared radiation (红外辐射) cannot be overlooked either. Greenhouse gases trap some of the infrared radiation (红外辐射) emitted by the Earth, contributing to the greenhouse effect and global warming. Understanding how infrared radiation (红外辐射) interacts with the atmosphere is crucial for climate science and developing strategies to mitigate climate change.Moreover, infrared radiation (红外辐射) is utilized in various medical applications. Physiotherapists often use infrared radiation (红外辐射) to promote healing in soft tissues. The heat penetrates the skin and enhances blood circulation, which can alleviate pain and speed up recovery. Similarly, infrared radiation (红外辐射) is also used in certain types of laser therapies, demonstrating its role in advancing medical technology.In conclusion, infrared radiation (红外辐射) is a vital aspect of our world, influencing everything from how we communicate with devices to how we study the universe. Its applications in technology, medicine, and environmental science highlight its importance in modern society. As research continues to advance, our understanding and utilization of infrared radiation (红外辐射) will likely expand, leading to new innovations and solutions to pressing global challenges.