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Abstract

The Reduction of Economic Dualism of Mazowieckie Voivodeship in 2007-2015 Using Regional Operation Programme for the Mazowieckie Voivodeship 2007-2013.The existence of social and economic dualism is widely discussed in numerous regions of Poland and Europe. This results from the natural structure of a region, which usually consists of one or two growth centres and peripheral areas. It leads to the emergence of inequalities, which cause a political pressure to redistribute income in order to ensure sustainable development. This discussion is particularly important in the Mazovian Voivodeship. Thus, the purpose of this study is to develop the existing findings concerning the social and economic dualism of the region. The main aim specified in the Voivodeship Development Strategy is to eliminate spatial inequalities. This paper is an attempt to broaden the knowledge on reducing the dualism in the voivodeship resulting from the implementation of the Regional Operational Programme for the Mazovian Voivodeship 2007-2013, which was one of the most crucial development tools. The analysis was conducted in terms of territory, sectors and the labour market.
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Abstract

Today’s cities tend to “pour out” beyond their administrative boundaries. This phenomenon is related to the settlement of people “from the city” in neighboring municipalities, or taking up jobs in cities by people living in neighboring municipalities. This has been recognized in the European Union, which has introduced appropriate legal instruments for cohesion policy. Integrated Territorial Investments were introduced to the EU cohesion policy for the fi rst time in the 2014-2020 fi nancial perspective. Their goal was to intensify cooperation between cities and their functional areas. Unfortunately, the emerging information about diffi culties in implementing ITIs often become the basis for considering this idea ineff ective. The purpose of the work is qualitative and quantitative verifi cation of the operation of ITU based on selected data, so that it is possible to answer the question about the validity of the existence of this instrument.
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Abstract

A vertical cut at the mid-depth of the 15-ton forging steel ingot has been performed by curtesy of the CELSA – Huta Ostrowiec plant. Some metallographic studies were able to reveal not only the chilled undersized grains under the ingot surface but columnar grains and large equiaxed grains as well. Additionally, the structural zone within which the competition between columnar and equiaxed structure formation was confirmed by metallography study, was also revealed. Therefore, it seemed justified to reproduce some of the observed structural zones by means of numerical calculation of the temperature field. The formation of the chilled grains zone is the result of unconstrained rapid solidification and was not subject of simulation. Contrary to the equiaxed structure formation, the columnar structure or columnar branched structure formation occurs under steep thermal gradient. Thus, the performed simulation is able to separate both discussed structural zones and indicate their localization along the ingot radius as well as their appearance in term of solidification time.
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