ultraljubičasto zračenje

ultraljubičasto zračenje

The invisible electromagnetic radiation beyond the violet end of the spectrum of visible light, of wavelengths ranging, roughly, from 4000 down to 400 angstroms.

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Частина мови: noun
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Галузь/тема: Astronomy
Category: Mars
Company: NASA
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Пов'язані терміни

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Medical devices; Radiology equipment

Exposure to radiation.

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Health care; Cancer treatment

The use of high-energy radiation from x-rays, gamma rays, neutrons, protons, and other sources to kill cancer cells and shrink tumors. Radiation may come from a machine outside ...

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Medical devices; Radiology equipment

Energy moving in the form of particles or waves. Familiar radiations are heat, light, radio waves, and microwaves. Ionizing radiation is a very high-energy form of electromagnetic ...

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Medical devices; Radiology equipment

The propagation of energy through space or matter. In radiology, radiation can be divided into two main groups: charged particles (electrons, protons, etc. ) and electromagnetic ...

zimski solsticij

Astronomy; Mars

The position on the ecliptic occupied by the sun about december 22 when it reaches its greatest southerly declination.

proljetna ravnodnevica

Astronomy; Mars

The position on the celestial sphere occupied by the sun on or about march 21 when its path on the ecliptic crosses the celestial equator going from south to north. This point is ...

Mars

Astronomy; Mars

Mars is the fourth planet from the Sun. Mars' diameter is 6,790 km and takes 687 days to orbit the Sun. Mars is named after the Roman god of war. In Eastern Asian cultures Mars is ...