Science Source Feb 2010
EN_90286490_0161
![Science Source Feb 2010](img/medium/arch1/dvd0113/21/EN_90286490_0161.jpg)
Evaporated tear drop on glass slide showing salt content (NaCl). The temperature and volume of the liquid decreases as the tear evaporates, and salt will accumulate to form salt crystals.
2010-02-13
EAST NEWS
Science Source
Omikron
3u3575
2,88MB
27cm x 19cm przy 300dpi
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