Bayraktar, V. N.; Polukarova, L. A.; Байрактар, В. М.; Полукарова, Л. А.; Байрактар, В. Н.; Полукарова, Л. А.
(2012)
We determined the concentration of macro- and microelements, such as: sodium, potassium,
calcium, phosphorus, magnesium, iron, chlorides. We have also measured the concentration of
hydrogen ions (pH) and nitrogen of urea ...