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An important factor influencing the level of economic development of countries and regions is the transport infrastructure. The transport infrastructure in the Slovak Republic lags behind the needs. The motorway network as an important element in transport infrastructure is significantly undersized and unevenly distributed. The paper is focused on the tunnels, which are an important part of the mountainous country highways. Their construction is economically, technically challenging and time consuming and the aim ...

The research-development activity has not been quite adequately financed in Romania over the last few years. Annual financing programs and multiannual programs were issued (NPRDI I ? [National Plan for Research, Development and Innovation]), and, as of 2007, together with Romania?s adherence to the European Union, an effort was made to align the financing programs of this activity to the Union?s programs. Thus, beginning with the Seventh Framework Program (FP7), the National Plan for Research- Development and Inno...

The paper describes the impact of factors which influence the building?s energy consumption. Building constructions are important factor that influences total energy necessity for heating, where energetic efficiency presents way to better competition, since it decrease service costs. Building is greatest consumer of energy and here lies also potential of rationalization of energy costs. During quantification of energy savings there were used two methods: upside down ? evaluation of savings through obligatory indic...