根据●Sun exposure cannot kill the virus部分下的“The temperature of sun light cannot reach 56℃, and the ultraviolet rays in sunlight cannot reach the intensity of ultraviolet lamps, so the virus can’t be killed by the sunlight. (太阳光的温度不能达到56℃,阳光中的紫外线不能达到紫外线灯的...
and the ultraviolet rays in sunlight cannot reach the intensity of ultraviolet lamps, so the virus can't be killed by the sunlight. If you want to go out to get some sun, please wear a mask and take other protective measures. • Taking a hot bath or using air conditioning cannot kill...
Ultraviolet light is the component of the electromagnetic spectrum situated between X-rays and visible light. With a wavelength between 100 and 400 nm, UV is divided into four bands: UV-A, UV-B, UV-C and Vacuum UV. UV has multiple applications. UV-A is used for attracting flying insects...
The warming is caused by the absorption of ultraviolet light and X-rays emitted from the sun. Related stories: — What makes Earth's atmosphere so special? — Earth's lower atmosphere is expanding due to climate change — What makes Earth unique? The thermosphere is considered part of ...
Ultraviolet rays are waves of light that come from the sun. In this lesson, learn about different types of ultraviolet rays, the characteristics and effects of ultraviolet rays, and ways people can protect themselves from their dangers.
Sunscreen is basically a barrier that protects the skin from absorbing ultraviolet (UV) rays. There are two kinds of UV rays that can affect the skin. UVA rays tend to age the skin. UVB rays typically causesunburn. Sunscreen is considered an over-the-counter drug and is regulated by the ...
D. the virus cannot be killed by the ultraviolet rays(紫外线不能杀死病毒)不符合以上说法,故选D项。 【3】推理判断题。根据文章的主要内容,尤其标题Facts about novel corona virus: Prevention and control(关于新型冠状病毒的事实:预防和控制)可知,本文主要讲述新冠的防御和控制措施,以及一些需要澄清的事实。
After that is the transition region a few hundred to a few thousand miles thick, which is heated by the corona above it and sheds most of its light as ultraviolet rays. At the top is the super-hot corona, which is made of structures such as loops and streams of ionized gas. The coro...
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and if untreated can become a bleeding sore that eventually destroys the structures it overlies. When skin cells are exposed to ultraviolet rays, the DNA can become damaged over time, leading to the potential forbasal cell carcinomagrowth. People with a history of sunburn are more susceptible to...