Search results for: Jacek Krawczyk

Items from 1 to 20 out of 23 results

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Aktywowany alkalicznie popiół lotny jako zamiennik cementu w mieszankach betonowych

Krzysztof Zieliński, Martyna Herbowska, Jacek Krawczyk

Materiały Budowlane > 2024 > nr 5 > 5--8

W artykule zaprezentowano wyniki badań betonu wykonanego przy użyciu spoiwa mineralnego geopolimerowego. Betony wykonane zostały na bazie aktywowanego alkalicznie popiołu lotnego krzemionkowego bez dodatku cementu. Wykonano trzy rodzaje betonu geopolimerowego. Rolę aktywatora w sporządzonych mieszankach pełniła mieszanina zasady sodowej oraz szkła wodnego. Przygotowano trzy roztwory zasady sodowej...

article

NATO Command System and Air Policing in the Polish Airspace

Jacek Krawczyk, Marek Tomaszycki

Przegląd Nauk o Obronności > 2021 > R. 6, Nr 11 > 74--88

Objectives: The article presents the NATO command structure with particular emphasis on the units responsible for command and control in the Polish airspace. The structure was described at three levels of command: strategic, operational and the tactical level. Moreover, the article also presents the issues concerning sovereignty in the space of the Republic of Poland and the cooperation of civil and...

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Koncepcja rozbudowy miejskiego transportu tramwajowego w Częstochowie

Jacek Krawczyk

Transport Miejski i Regionalny > 2022 > nr 3 > 10--18

W artykule przedstawiono propozycję rozwoju miejskiego transportu szynowego w odniesieniu do stanu obecnie funkcjonującego w Częstochowie. Ocenie poddano nie tylko stan wykorzystywanej infrastruktury z uwzględnieniem miejskiego operatora transportu zbiorowego, ale przede wszystkim koncepcje rozwoju w formule „1+ 2+ 3+”, w odniesieniu do konkretnych linii tramwajowych. Z uwagi na najbardziej zaawansowane...

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The era of the unmanned vevicles is coming

Jacek Krawczyk

Przegląd Nauk o Obronności > 2021 > R. 6, Nr 11 > 27--42

Objectives: The use of Unmanned Vehicles in air, land and water transport is constantly increasing due to their technical and operational capabilities, along with economic advantages. They are used for recreational and commercial purposes by individuals, companies, organisations and state institutions. Particular types of vehicles are at different stages of technical, legislative and implementation...

article

The era of Unmanned Aerial Vehicles is coming

Jacek Krawczyk

Przegląd Nauk o Obronności > 2020 > R. 5, Nr 9 > 92--102

The use of UAVs (Unmanned Aerial Vehicles) is constantly increasing due to their technical, operational and economic potential. They are used for recreational and commercial purposes by individuals, companies, organizations and government institutions. Despite the systematic implementation of appropriate safety procedures in air traffic management systems, aviation procedures and safety management...

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Challenges related to unmanned aerial vehicles

Marek Tomaszycki, Jacek Krawczyk

Przegląd Nauk o Obronności > 2020 > R. 5, Nr 9 > 103--115

The Regulation of the European Parliament and of the Council (EC) No. 2018/1139 (known as NBR - New Basic Regulation) on common rules in the field of civil aviation was introduced in order to regulate the issue of UAVs - Unmanned Aerial Vehicles, in all weight categories. It represents a new regulatory approach, which is of major importance in the field of European aviation legislation. Until the...

article

Unmanned aerial vehicles : application, legal regulations and challenges

Jacek Krawczyk, Marek Tomaszycki

Przegląd Nauk o Obronności > 2019 > R. 4, Nr 7-8 > 1--14

The advantages of unmanned systems, such as cheaper operation, greater safety, better performance in flight duration or their minimal impact on the natural environment, result in a systematic increase in their significance and development, compared to manned aircraft. Even today the UAVs (Unmanned Aerial Vehicles) and UASs (Unmanned Aerial Systems) play a significant role both in civil, and in military...

article

Antoni Madej. Poeta zapomniany, poeta zaprzeczony

Jacek Krawczyk

Prace Literaturoznawcze > 2020 > 8 > 173-185

The author of this article recalls the figure of Antoni Madej, a poet forsaken in contemporary historical and literary reflection. The text discusses Madej’s most important creative achievements during the interwar period, when he published eight poetry collections on various topics, including social ones. However, he was closest to the poetry of personal thoughts in the convention of concise reflective...

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Influence of Heat Treatment on Defect Structures in Single-Crystalline Blade Roots Studied by X-ray Topography and Positron Annihilation Lifetime Spectroscopy

Jacek Krawczyk, Włodzimierz Bogdanowicz, Aneta Hanc-Kuczkowska, Anna Tondos, more

Metallurgical and Materials Transactions A > 2018 > 49 > 9 > 4353-4361

Single-crystalline superalloy CMSX-4 is studied in the as-cast state and after heat treatment, with material being taken from turbine blade castings. The effect of the heat treatment on the defect structure of the root area near the selector/root connection is emphasized. Multiscale analysis is performed to correlate results obtained by X-ray topography and positron annihilation lifetime spectroscopy...

article

Concepts of managing and increasing the efficiency of using airspace in relation to increasing air traffic

Jarosław Kozuba, Jacek Krawczyk

Security and Defence Quarterly > 2018 > 18 > 1 > 45-56

Polish airspace is available on equal terms to all its users. Due to the increasing air traffic airspace structure and the system of airspace, management should constantly improve, taking into account the provisions of international and national conditions. The article looks at issues in the management of airspace in order to increase the efficiency of the use of Polish airspace while maintaining an appropriate level of air traffic safety during flight operations by military and civilian aircraft.

article

Płytki umysł jako współczesne wyzwanie edukacyjne. Badania eyetracking w refleksji nad czytaniem i pisaniem

Jacek Krawczyk

Prace Językoznawcze > 2017 > XIX/2 > 105-114

Dla opisu specyficznych kompetencji poznawczych współczesnego ucznia posługuję się kategorią płytkiego umysłu. W ten sposób osadzam trudności edukacyjne uczniów na szerszej, psychologicznej i neurologicznej podstawie. W niniejszym artykule proponuję wykorzystać badania eyetrackingu do diagnozy zaburzeń w komunikacji. Chciałbym przyjrzeć się temu, jak uczniowie rozpoznają znaczenia tekstu, jak głęboko...

article

Percutaneous extrapedicular vertebroplasty with expandable intravertebral implant in compression vertebral body fracture in pediatric patient—technical note

Bartosz Polis, Jacek Krawczyk, Lech Polis, Emilia Nowosławska

Child's Nervous System > 2016 > 32 > 11 > 2225-2231

Purpose The aim of the article is to present the new extrapedicular percutaneous technique for posttraumatic vertebral column fracture. Methods A 15-year-old boy needed a surgical Th8 posttraumatic vertebral body (VB) compressive fracture reduction due to insufficient conservative treatment and consistent severe clinical symptoms. After 6 months of external Jevett long-roll brace stabilization,...

article

A hybrid technique for ventriculoatrial shunt implantation—technical note

Emilia Nowosławska, Tomasz Moszura, Wanda Mikołajczyk-Wieczorek, Krzysztof Zakrzewski, more

Child's Nervous System > 2014 > 30 > 10 > 1729-1732

Purpose The aim of the article is to present the new hybrid technique for ventriculoatrial shunt implantation. Methods Two-and-a-half-year-old boy needed ventriculoatrial shunt implantation due to communicating hydrocephalus and impaired absorptive ability of the peritoneum. Because of a complete occlusion of the right internal jugular vein and critical stenosis of a distal part of the left internal...

article

Kategoria czasu w Prawdzie starowieku Stanisława Vincenza

Jacek Krawczyk

Prace Literaturoznawcze > 2014 > 2 > 61-73

The text discusses the first volume Na wysokiej połoninie of Stanislaw Vincenz – Prawda starowieku. I focus on the issue of time in the novel Vincenz. I point to the phenomenon of mythologizing the world of Hucul. That mythologizing is because several important reasons. Firstly, the real reality, which does not have a meaning and coherence, through the stories of mythical narrative acquires the character...

article

Przemiany we współczesnej refleksji literaturoznawczej. O homogenizacji dyskursów

Jacek Krawczyk

Prace Literaturoznawcze > 2013 > 1 > 267-276

The contemporary discourse of literature is in a situation of profound transformation. The change is way of practicing reflection on literature, as well as its subject matter. The article refers to certain tendencies within contemporary literature, including the scientification and blurring the differences between literary studies and other disciplines of the humanities. At the root of these changes...

article

„Unieść swą duszę ponad wymiar czasu” – o afektacji w ogłoszeniach towarzysko-matrymonialnych kobiet

Iza Matusiak-Kempa, Jacek Krawczyk

Prace Językoznawcze > 2011 > 13 > 157-165

This article is an attempt to show ways of expressing emotion in online texts social-matrimonial advertisements on the portal Sympathy. Affectation in comments of internet users is examined at the level of semantic, syntactic and stylistic. Linguistic analysis also takes into account the cultural context. Linguistic utterance is seen as a kind of discourse reflected in characteristic ways of self-presentation,...

article

Numerical solutions to coupled-constraint (or generalised Nash) equilibrium problems

Jacek Krawczyk

Computational Management Science > 2007 > 4 > 2 > 183-204

This paper is about games where the agents face constraints in the combined strategy space (unlike in standard games where the action sets are defined separately for each player) and about computational methods for solutions to such games. The motivation examples for such games include electricity generation problems with transmission capacity constraints, environmental management to control pollution...

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Neuroendoscopic techniques in the treatment of arachnoid cysts in children and comparison with other operative methods

Emilia Nowosławska, Lech Polis, Danuta Kaniewska, Wanda Mikołajczyk, more

Child's Nervous System > 2006 > 22 > 6 > 599-604

Objective: The authors intended to evaluate the application of neuroendoscopic techniques for the treatment of arachnoid cysts in children and compare it with other operative methods. Methods: The analysis covered the results of treatment of 44 children with arachnoid cysts who were subjected to neuroendoscopic procedures and 62 patients who underwent other operations. Results: The neuroendoscopic...

article

Effectiveness of neuroendoscopic procedures in the treatment of complex compartmentalized hydrocephalus in children

Emilia Nowosawska, Lech Polis, Danuta Kaniewska, Wanda Mikoajczyk, more

Child's Nervous System > 2003 > 19 > 9 > 659-665

Objective. The main object of the work is to assess the suitability of neuroendoscopic techniques for the treatment of complex compartmentalized hydrocephalus. Methods. For this purpose the authors compared two groups of children treated in the Research Institute of the Polish Mothers Memorial Hospital from March 1997 to January 2002. The first group of 47 children, treated using neuroendoscopic procedures,...

article

Zachowania dewiacyjne młodzieży w Warszawie w 1993 r. (badania typu self-report)

Anna Kossowska, Jacek Krawczyk, Irena Rzeplińska

Archiwum Kryminologii > 1995 > XXI > 81-103

1. The findings discussed in the paper have been obtained within an international research project aimed at comparing the extent of self-reported deviant behavior of youth 11 West-European countries (Finland, England, Nord Ireland the Netherland, Germany, Belgium, Switzerland, portugal, Greece, Spain and Italy), the United States and New Zealand. The questionnaire ultimately used in all countries...

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INFONA - science communication portal

Search results for: Jacek Krawczyk

Aktywowany alkalicznie popiół lotny jako zamiennik cementu w mieszankach betonowych

NATO Command System and Air Policing in the Polish Airspace

Koncepcja rozbudowy miejskiego transportu tramwajowego w Częstochowie

The era of the unmanned vevicles is coming

The era of Unmanned Aerial Vehicles is coming

Challenges related to unmanned aerial vehicles

Unmanned aerial vehicles : application, legal regulations and challenges

Antoni Madej. Poeta zapomniany, poeta zaprzeczony

Influence of Heat Treatment on Defect Structures in Single-Crystalline Blade Roots Studied by X-ray Topography and Positron Annihilation Lifetime Spectroscopy

Concepts of managing and increasing the efficiency of using airspace in relation to increasing air traffic

Płytki umysł jako współczesne wyzwanie edukacyjne. Badania eyetracking w refleksji nad czytaniem i pisaniem

Percutaneous extrapedicular vertebroplasty with expandable intravertebral implant in compression vertebral body fracture in pediatric patient—technical note

A hybrid technique for ventriculoatrial shunt implantation—technical note

Kategoria czasu w Prawdzie starowieku Stanisława Vincenza

Przemiany we współczesnej refleksji literaturoznawczej. O homogenizacji dyskursów

„Unieść swą duszę ponad wymiar czasu” – o afektacji w ogłoszeniach towarzysko-matrymonialnych kobiet

Numerical solutions to coupled-constraint (or generalised Nash) equilibrium problems

Neuroendoscopic techniques in the treatment of arachnoid cysts in children and comparison with other operative methods

Effectiveness of neuroendoscopic procedures in the treatment of complex compartmentalized hydrocephalus in children

Zachowania dewiacyjne młodzieży w Warszawie w 1993 r. (badania typu self-report)

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