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单词 Far infrared
释义

Far infrared

英语例句库

Using the characteristic of refractive index are smaller than 1 in the reststrahlen band,we can produce photonic crystal having forbidden band in the middle infrared and far infrared.

由此可知利用材料在剩余射线带内折射率小于1的特性,我们可以制备出中红外区和远红外区存在禁带的光子晶体。

It also emits natural phytocide to keep air fresh, and keep people's mind clear, and emit the far infrared ray to improve the blood circulation to relieve the fatigue.

同时其释放的远红外线能促进人体的血液循环,消除疲劳。

原声例句
Crash Course 天文篇

You emit light, but it's in the far infrared, well beyond what our eyes can see.

你会发光,但它是远红外光,远远超过我们的眼睛所能看到的范围。

Crash Course 天文篇

Clouds of dust that look dark to the human eye are actually glowing if you observe them in the far infrared, well outside the colors our eyes can detect.

尘埃云在人眼看来是黑色的,但如果你用远红外线来观察,它们实际上是在发光的,远远超出我们肉眼能探测到的颜色。

中文百科

远红外线

远红外线(Far Infrared,缩写 FIR),一般是指光谱上位于15~1000µm区域的光波,属于红外线的波长范围。其位于可见光光谱红色光的外侧,为不可见光。不同学界对于远红外线的范围定义常常不同,例如,天文学上常定义远红外线为在波长25 µm与350 µm之间的电磁波。生物体可以「热」的型式,感受其存在。

4μm ~ 14 μm范围的远红外线与人体的分子产生共振,可促进微血管扩张、使血液循环顺畅,促进新陈代谢,进而增加身体的免疫力,因此此段远红外线又被称为「生育之光」,因此远红外线除了科技、天文上的应用之外,也可用于医疗和保健方面。有些植物的胚芽经过远红外线照射后,有助于酶活性活化,加速发芽。

英语百科

Far infrared 远红外线

Diagram of part of the electromagnetic spectrum.

Far infrared (FIR) is a region in the infrared spectrum of electromagnetic radiation. Far infrared is often defined as any radiation with a wavelength of 15 micrometers (µm) to 1 mm (corresponding to a range of about 20 THz to 300 GHz), which places far infrared radiation within the CIE IR-B and IR-C bands. Different sources use different boundaries for the far infrared spectrum; for example, astronomers sometimes define far infrared as wavelengths between 25 µm and 350 µm.

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更新时间:2025/6/21 16:15:42