competitiveness is considered as a key criterion for assessing the success of countries, industries and companies. world economic forum defines competitiveness as the set of institutions, policies and factors that determine the level of productivity. moreover, competitiveness can be defined as acquisition more market share, greater profitability and long-term stability and growth of these indic...

The sulphate-reducing bacteria represent the part of the biosphere, the active component in the cycle of elements in the biosphere and as shown by the existing knowledge they are becoming also the part of the environmental industrial technologies. The objective of this work was to give principal information concerning characteristics, the occurrence and the importance of sulphate-reducing bacte...

Nosocomial pneumonia, especially ventilator-associated pneumonia, is a common infection in ICUs. The main etiologic factors involve colonizing and opportunistic bacteria from the oral cavity. Oral hygiene measures, including the use of oral antiseptic agents, such as chlorhexidine, have proven useful in reducing its incidence. The objective of this article was to review the literature on the im...

The technology of power electronics has practically attained maturity after four decades of dynamic evolution. In future, there will be tremendous emphasis on power electronics applications in the areas of industrial, residential, commercial, transportation, aerospace, military and electric utility systems. In the coming decades, we expect to see increasing emphasis on application-oriented R&D ...