material engineering 37 chemical engineering 26 building constructions 26 mathematical models 25 thermodynamics 23 mechanical engineering 21 electrotechnics 20 more ... electronic circuits 19 chemical technology 18 dynamics 18 electronics 18 power engineering 16 materials 16 aerodynamics of airplanes 15 automatic control 15 unconventional energy sources 15 simulation and modelling 15 civil engineering 15 circuits theory 15 hydromechanics 14 mathematics 14 statics of building constructions 14 environment 14 classical mechanics 13 aircrafts 13 calculations 13 applied mathematics 12 integrated circuits 12 management 12 steel structures 12 less ...