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Sulfide-bearing mine tailings of the Darasun ore processing plant situated in the permafrost zone in Trans Baikal region (Russia) were examined in 2016. The composition of mine drainages and affected river waters were investigated. The processes of oxidation and chemical weathering of mine tailings leads to removal of a wide spectrum of chemical elements according to geochemical analyses. Two associations of chemical elements were found: i) Tl, Pb, Cd, Zn, Mn, and Be; ii) Cu, Mo, Au, Ag, As, and Sb. Thallium is pr...

This article examines formation and simulation of interferences in new licensed frequency within communication in NGA 4G LTE networks, which are source of disturbing of radio and television broadcasting. This also use for increase of awareness about interference problematics in access network. This article is dealing with sources of interference within licensed zones, its creation and also provides theoretical and applied possibilities of its technical solution between licensed zones. Article provides experimental...

Mobility, besides housing and food/drinks, is considered one of the main consumption clusters with high impact on environment that includes pollution (i.e. noise), energy consumption and climate changes. Sustainable mobility therefore should be the task high on the agenda for the municipal development governance and, especially, environmental governance, particularly, keeping sustainability principle - to have the ability of people to travel and supply goods in a way that balances environmental and socio-economic ...