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One of the basic problem of the project process is to create a structure of communication systems with optimal techno-economic factors. In this paper we show optimization capital costs methods of creating the network infrastructure with reference to the defined parameters which describe a designing topology.

The well-known sorting processes like density separation, separation in magnetic or electric fields and flotation, are not suitable to apply successfully within a particle-size range smaller than 10 m. Due to insufficient selectivity of above mentioned enrichment processes the concentrate recovery at this particle size range is extremely poor, which influences accordingly the techno-economic ef...

This paper introduces an alternative analytical and conceptual approach to the study of IT in Organisations, based on the concept of ‘Agora of Techno-Organisational Change’ (Kaniadakis, 2006). The Agora represents an analytical space, ranging from local, particular instances of technical and organisational change to global, abstract socio-economic networks of innovation and it marks an emerging...

BACKGROUND Microalgal triglycerides (TAGs) hold great promise as sustainable feedstock for commodity industries. However, to determine research priorities and support business decisions, solid techno-economic studies are essential. Here, we present a techno-economic analysis of two-step TAG production (growth reactors are operated in continuous mode such that multiple batch-operated stress reac...

The Acheulean is the longest-lasting human cultural record, spanning approximately 1.5 Ma and three continents. The most comprehensive sequences are found in East Africa, where, in largescale syntheses, the Lower Pleistocene Acheulean (LPA) has often been considered a uniform cultural entity. Furthermore, the emergence and development of Acheulean technology are seen as linked to the emergence ...

This paper aims to explore the potential suitability of the press as a teaching resource for raising scientific literacy for citizenship within science education. Our methodology is based on a content analysis of a sample of 1867 articles about science and technology from four Greek newspapers. The analysis showed that the press is potentially a useful tool for teaching certain aspects of scien...