Труды Кольского научного ценра РАН. № 2, вып.11. 2020 г.

P. S. Tereshchenko Contents of chemical elements in hair of preschool and school children of Murmansk Region..................................................................... 99 S. B. Selyanina, Optimization of biologically active substances V. G. Tatarintseva, extraction from high peat....................................... 108 I. N. Zubov, N. A. Kutakova, I. V. Russkih L. G. Gerasimova, Improving complex processing of Khibiny М. V. Maslova, apatite-nepheline ore.............................................. 116 E. S. Shchukina R. I. Korneikov, Sorption of heavy metal cations from V. I. Ivanenko, technological solutions by titanium phosphates N.V. Zharov matrices.................................................................... 124 М. V. Maslova, Sinthesis of sorption materials based N. V. Mudruk, on Ti-Ca-Mg phosphates........................................ 131 A. I. Ivanets, I. L. Shashkova, N. V.Kitikova E. A. Borovichev, About the regional nature monument О. V. Petrova “Lednikovy Valun” (Murmansk Region)............... 141 P. V. Druzhinin, The impact of economy development G. T. Shkiperova, of European north regions on the environment... 144 О. V. Potasheva G. N. Kharitonova State management of forests of the Arctic zone of the Russian Federation: environmental and economic efficiency........................................ 154 L. G. Isaeva, Assessment of the state of forest planting Y. R. Khimich of the Monchegorsk Town (Murmansk Region)... 168 T. A. Mingaleva, Social and environmental functions of public A. A. Goryachev, parks in a small northern town (on the example E. I. Mingaleva, ofthe Apatity Town in the Murmansk Region)... 179 A. I. Mingalev 6