Czasopismo Techniczne
In this study, we present profiles of some distinguished graduates in mathematics of the Jagiellonian University from the years 1918‒1925. We discuss their professional paths and scholarly achievements, instances of scientific collaboration, connections with other academic centers in Poland and worldwide, involvement in mathematical education and teacher training, as well as their later roles in Polish...
This paper presents a water quality assessment for the eight recreational water reservoirs located in the Cracow area. This assessment was performed on the basis of water samples collected during three seasons in 2013. The results showed that in the majority of these reservoirs, water had a good level of quality (class II), and was also suitable for recreational purposes (bathing) and as a fish habitat...
This study contains an analysis of the Alden turbine with a power level of 5.0 MW in the Dobczyce power plant. Taking into account results of annalysis, it may be concluded that the contemplated use of the Alden turbine in the Dobczyce power plant is close to the limits of practical applicability and economic viability of this solution. The average annual energy output value achieved using the Kaplan...
The First World War marked a turning point in the Russian history. The country entered the war in August 1914 as an empire, and in 1918, when the war ended, its name was: the Russian Soviet Federative Socialist Republic. In 1917 it confronted two revolutions – the February and the October Revolutions. As a result of the October Revolution, the Bolsheviks ruled the country and began the construction...
The city as a product of man’s civilization undergoes constant transformations, whereas forecasts announcing its collapse appear to be off-the-mark. After the industrial city and the postindustrial city, comes the knowledge civilization city. It turns out that ultramodern knowledge civilization cities – filled with the spirit of the information revolution as well as functions based on education and...
The paper is an attempt to present the views of today’s youth (represented by the students of Architecture) on public spaces. Young people’s needs are ignored or wrongly interpreted by urban planners. Young people want to be appreciated and noticed, that is why the space which is not entirely defined and which gives opportunity for self-creation is of most interest to them. The integration with people...
This paper is an attempt to present views (ideas, observations, thoughts) and dreams of the youth interested in urban planning connected with public spaces. Students state that public space for the youth, as well as for other users, should have its own unique atmosphere, appropriate colours, good proportions and connections with the surroundings. They should also emanate with the beauty of designed...
The paper presents the links between the different fields of art: painting, music, sculpture and architecture. The great influence of expressionist sculpture on architecture is emphasized. Modern buildings often look like built monuments. Architects like Zaha Hadid and Frank Ghery can distance themselves from their predecessors, but it seems to be evident that they unintentionally continue what was...
Urbanization taking place in Poland in the second half of the twentieth century was characterized by high dynamics. The development of residential architecture in the years 1945‒1989 should be considered in the strict context of the Polish former economic system, which determined the framework for the development of the country. Due to the political transformation that occurred in 1989, Polish architecture...
The paper is part of a series of publications discussing the prevalence of pharmaceuticals in the aquatic environment. The paper presents two groups of hypolipidemic drugs (lipid regulators) and their basic parameters. A review of the literature on the occurrence of these compounds in wastewater, surface water and groundwater was made. According to the literature, the presence of various lipid regulators...
This paper is part of a series of publications discussing the prevalence of pharmaceuticals in the aquatic environment and the effectiveness of their removal and degradation during wastewater and water treatment processes. It presents the most commonly used b-blockers and their parameters related to their metabolism and excretion from a body. In the paper, the authors review the literature data on...
The objective of this article is to present the results of a Cracow landscape valuation from the level of the Vistula river. The paper presents and verifies the urban riverside landscape valuation model based upon five classification functions. The study covers a thirty-kilometre section of the Vistula river within the administrative boundaries of Cracow. 144 valuation points were designated at which...
In this paper, an O(n) parallel algorithm is presented for unranking set partitions in Hutchinson’s representation. A simple sequential algorithm is derived on the basis of a dynamic programming paradigm. In the parallel algorithm, processing is performed in a dedicated parallel architecture combining certain systolic and associative features. The algorithm consists of two phases. In the first phase,...
This paper presents work is presented an enhanced Genetic Algorithm (GA) specifically designed for the production of linguistic data summaries. The model is able to obtain not a set of ‘good linguistic summaries’ but a ‘good set’ of summaries. The model incorporates an operator and fitness function specially designed to fulfil this aim. Experiments show how the enhanced model is able to improve results...
In this paper, a new method of stream encoding and decoding is presented. It is developed on the basis of a derangement generator. Stream cipher D has been compared with other stream ciphers – E0, W7 and Phelix. Encoding and decoding algorithms have been implemented in C++ and VHDL programming languages. FPGA synthesis data has been reported for Spartan 3E and Virtex 4 devices from Xilinx. The hardware...
W artykule przedstawiono metody weryfikacji odporności ogniowej ścian murowych według normy EN 1996-1-2 [1] i jej polskiej wersji PN-EN 1996-1-2 [2]. Szczególną uwagę zwrócono na praktyczne aspekty stosowania opisanych metod (danych tabelarycznych, uproszczonych metod bazujących na przekroju zredukowanym), wskazując ich potencjalne niedostatki. Skomentowano także proces wprowadzania normy Eurokod...
The article presents a method of electrical resisitivity tomography which allows to identify the geological structure of the basement. Resistivity tomography was also used to detection of anthropogenic objects in Brzozówka and Zabierzów areas. A total of six profiles were done, on the basis of which it also describes applications of the electrical resistivity tomography for the near surface prospecting...
The aim of the essay is to remind people of selected realizations done during the last two decades of the 20th c. targeted at the rescue, restoration and enlivening objects of the 19th c. architecture. They were created in the period of industrial revolution, when the turn of the century became the past, remaining a valuable relic of the past and serves new aims, cultivating both old-time and restored...
The acceptance in advanced fire safety analysis of the formal model according to which the probability of fire occurrence is assumed as time-independent leads to the conclusion that random fire episodes in considered building compartment can be described by the formalism of a Poisson process. In the presented paper some consequences of such adoption are presented and widely discussed as well as the...
The optimal strategy of the water supply system operation should consider the current conditions as well as the future prognosis. In the work some mathematical models have been presented, that may be applied for the both short-term and mid-term predictions. The models have been used for the analysis of failures in the City of Krakow water supply system.