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Number of results: 64
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Abstract

This article is an attempt to identify the main themes in the literary work of Zygmunt Haupt, a Polish writer, journalist and painter, who emigrated to the United States in the aftermath of World War II. His writings show a keen awareness of the issue of absence/presence and the related problems of memory traits, identity and literary representation. Drawing on the psychoanalytical criticism of Jacques Lacan and Julia Kristeva and the philosophy of Jacques Derrida, this reading of Haupt’s fi ction, especially his short stories (whose collected edition was published in 2007 under the title The Basque Devil), is a critical reassessment of his work. As a storyteller he excels in the depiction of scenes of terror, desire and the uncanny. The article argues Haupt’s work represents not only a remarkable literary achievement but also offers an interesting study case for critics whose approach is founded on literary theory, psychoanalysis and anthropology.

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Authors and Affiliations

Michał Zając
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Abstract

The aim of this article is to illustrate the most frequent conceptualisations of depression in the contemporary Italian media discourse. The analyses presented in the paper are mainly based on the cognitive theory of metaphor by George Lakoff and Mark Johnson and form a part of a wider research topic regarding the differences in conceptualisation of depression depending on such factors as the language, the type of the discourse and the personal experience of the author concerning the state of depression. The study revealed that depression is represented the most frequently in the analysed corpus through the frame of disease, and by the metaphors DEPRESSION IS AN ENEMY and DEPRESSION IS A LOCATION, often situated down and taking the form of a container. Less numerous and regular were other kinds of its personifications and representations of depression as an object or danger.

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Authors and Affiliations

Anna Kuncy-Zając
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Abstract

Experts from Poland are involved in designing and building the world’s strongest pulsed neutron source for investigating the properties of condensed matter.
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Authors and Affiliations

Dariusz Bocian
Wojciech Zając
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Abstract

As a result of the necessity to improve energy properties of prefabricated buildings, their thermo-modernizations are performed. In the paper various approaches to the modelling of prefabricated load bearing walls before and after thermo-modernization are presented. Simple one layer models with extra mass from ceilings and equivalent stiffness as well as multilayer ones are taken into consideration using the finite element method software. Values of the natural frequencies of the wall horizontal vibrations calculated using the various models, are compared. It was proved that even the very simple model with equivalent stiffness allows to compute natural vibration frequencies of wall with acceptable accuracy for engineering practice.

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Authors and Affiliations

K. Kuźniar
M. Zając
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Abstract

A dynamic economy contributes to the increase in the number of workers exposed to mechanical vibration caused by machines and transport equipment. As the means of transport are insufficiently recognised sources of mechanical vibrations, this article presents the results of whole-body and hand-arm vibration tests of 30 most common means of in-house transport. An analysis of vibration signals recorded at each workstation according to PN-EN 14253 and PN-EN ISO 5349 made it possible to determine the weighted values of components of directional vibration acceleration and the values of daily vibration exposure A(8).

In order to assess exposure to whole-body and hand-arm vibration at the tested workstations of in-house transport, indices of vibration hazard related to admissible values, the total evaluation index (developed in a previous study at CIOP-PIB) and a three-degrees scale for assessing exposure to vibrations were used. The assessment showed that the workstations were a major hazard. Vibration hazards at all those workstations were classified as either medium or high.

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Authors and Affiliations

Piotr Kowalski
Jacek Zając
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Abstract

O najsilniejszym na świecie impulsowym źródle neutronów – cząstek obojętnych elektrycznie.

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Authors and Affiliations

Dariusz Bocian
Wojciech Zając
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Abstract

The purpose of the work was initial modification of the construction of a commercially produced heat exchanger – recuperator with CFD (computational fluid dynamics) methods, based on designs and process parameters which were provided. Uniformity of gas distribution in the space between the tubes of the apparatus as well as the pressure drop in it were taken as modification criteria. Uniformity of the gas velocity field between the tubes of the heat exchanger should cause equalization of the local individual heat transfer coefficient values and temperature value. Changes of the apparatus construction which do not worsen work conditions of the equipment, but cause savings of constructional materials (elimination or shortening some parts of the apparatus) were taken into consideration.

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Authors and Affiliations

Wojciech Ludwig
Daniel Zając
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Abstract

There exist numerous modelling techniques and representation methods for digital control algorithms, aimed to achieve required system or process parameters, e.g. precision of process modelling, control quality, fulfilling the time constrains, optimisation of consumption of system resources, or achieving a trade-off between number of parameters. This work illustrates usage of Finite State Machines (FSM) modelling technique to solve a control problem with parameterized external variables. The structure of this work comprises six elements. The FSM is presented in brief and discrete control algorithm modelling is discussed. The modelled object and control problem is described and variables are identified. The FSM model is presented and control algorithm is described. The parameterization problem is identified and addressed, and the implementation in PLC programming LAD language is presented. Finally, the conclusion is given and future work areas are identified.
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Authors and Affiliations

Grzegorz Andrzejewski
Wojciech Zając

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