GOLD BIOLEACHING FROM PRINTED CIRCUIT BOARDS OF MOBILE PHONES BY ASPERGILLUS NIGER IN A CULTURE WITHOUT AGITATION AND WITH GLUCOSE AS A CARBON SOURCE

Hydrometallurgical and pyrometallurgical processes to recover gold (Au) from here cell-phone printed circuit boards (PCBs) have the disadvantage of generating corrosive residues and consuming a large amount of energy.Therefore, it is necessary to look for biological processes that have low energy consumption and are friendly to the environment.Amon

The importance of the research lies in using various and suitable training aids for training athletes with simple disabilities especially in 100m sprints so as to develop their record.The research aimed at designing exercises using training aids ) swish supreme glide track white parachute) as well as identifying its effect on developing fast and ex

Natural stone has been used since the dawn of civilization as a construction material for buildings that are historical and cultural buildings and monuments.The Zagreb Cathedral is an example of such a historical and cultural building and data regarding the extraction of stone for its construction and reconstruction is scientifically underestimated

The presence of (Non line of Sight) NLOS propagation paths has been considered the main drawback for localization schemes to hindigyanvishv.com estimate the position of a (Mobile User) MU in an indoor environment.This paper presents a comprehensive wireless localization system based on (Round-Trip Time) RTT measurements in an unmodified IEEE 802.11