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The far more dangerous task remains removing radioactive debris and highly dangerous nuclear fuel from the three reactors that went into meltdown in 2011. TEPCO plans to use robots to remove the fuel but there are fears that radiation levels are so high that they could even disable the remote...
Microwaves are a type of electromagnetic radiation; they are a very mild form of electrical or magnetic wave that moves through space. Unlike X-rays and gamma rays, which are very powerful rays of radiation, microwaves are rather weak and are much more like the waves of radiation used in r...
Infrared Waves: Infrared waves, or IR radiation, is a type of electromagnetic radiation that has a wavelength greater than the wavelengths in the visible part of the electromagnetic spectrum; they are located adjacent to visible region and the microwave region at its other end. Infrared radiation ...
Ultraviolet rays are electromagnetic rays that are invisible to the naked eye. Though long-term exposure to ultraviolet rays can...
A radio galaxy is a galaxy that dominates the sky over Earth in radiowaves. These intense radio emissions originate from vast lobes of gas that extend well beyond the galaxy's visible structure, often spanning millions of light-years. Typically appearing in pairs, these radio lobes form when ...
The wavelengths of light and radio waves, unlike high energy gamma radiation, are much shorter. A. true B. false 相关知识点: 试题来源: 解析 B 正确答案:B 解析:比较结构的理解。本题要求听者分辨清所比较之物及其对比关系。原文谈到nuclear energy(核能)时,将其解释为high energy gamma radiation(...
a type of electromagnetic radiation; they are a very mild form of electrical or magnetic wave that moves through space. Unlike X-rays and gamma rays, which are very powerful rays of radiation, microwaves are rather weak and are much more like the waves of radiation used in radio broadcasting...
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