The aim of this paper is to attempt to respond to the issue of the relationship between the reduction in movement and the consumption of new media, as well as the psychological grounds behind such behavior. Through the theoretical analysis of relevant literature, the intention was to primarily extend the conceptual understanding of this important topic. First of all, the nature of digital media and the novelty it brings in relation to analogue media is analyzed. The psychological aspects of new media practices were also analyzed similarly. It was concluded that new media do not contribute anything new in the qualitative sense when it comes to their psychological roles, but that its uniqueness lies in the quantity and intensity of the functions which had previously been carried out by other media. Furthermore, it is incorrect to attribute a reduction in movement of the consumer of new media to the nature of the media themselves. Instead, the solution should be found in the nature of the psychological apparatus and functioning of the consumer. Finally, the need for interdisciplinary study of this important topic was pointed out.
The paper gives review of international and domestice experience in Serbia in the field of coal cleaning prior to combustion in thermal power plants. Also, the paper highlighted the problem of combustion low rank lignite from open pit mine in thermal power plants and considering this problem from the aspect of mineral processing. The results of laboratory tests aimed to establish the possibility of cleaning of lignite from Tamnava Zapadno polje, showed the beneficial upgrading of the 70% of run-of-mine coal with simple screening. It has been confirmed that by simple process of coal cleaning can be removed about 30% of tailings, which mostly consist of mineral impurities. The final obtained products have satisfactory quality (lower contents of ash and higher calorific values).
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