Results 31 to 40 of about 7,745 (177)

Feather holes and flight performance in the barn swallow Hirundo rustica

open access: yesAnimal Cells and Systems, 2018
Feather holes are small (0.5–1 mm in diameter) deformities that appear on the vanes of flight feathers. Such deformities were found in many bird species, including galliforms and passerines. Holey flight feathers may be more permeable to air, which could
Piotr Matyjasiak   +4 more
doaj   +1 more source

Wireless Sensor Network Coverage Optimization: Comparison of Local Search-Based Heuristics

open access: yesApplied Computational Intelligence and Soft Computing, 2022
The Maximum Lifetime Coverage Problem (MLCP) requires heuristic optimization methods due to its complexity. A real-world problem model determines how a solution is represented and the operators applied in these heuristics.
Krzysztof Trojanowski, Artur Mikitiuk
doaj   +1 more source

State of knowledge of the ladybird beetle (Coleoptera, Coccinellidae) fauna of Armenia and other Transcaucasian countries, including two new country records [PDF]

open access: yesZooKeys
Beetles (Coleoptera) have been surveyed in Armenia and other Transcaucasian countries since the first half of the 19th century. Based on the literature reports and our new data, available information was gathered on the occurrence in Armenia of one of ...
Shoghik Ghazaryan   +5 more
doaj   +3 more sources

The Persuasiveness of a Message and the Problem of Legitimacy [PDF]

open access: yes, 2016
The author analyses several selected speeches of Italian politicians: the founder of the Forza Italia party, Silvio Berlusconi; the founder and leader of the Five Stars Movement, Beppe Grillo; and the current Prime Minister of Italy, Matteo Renzi.
Leśniczak, Rafał
core   +2 more sources

The dispute about the concept of society and the value of the individual as a context and a challenge for Polish pedagogical thought [PDF]

open access: yes, 2018
Jeśli uprawia się pedagogikę w wiedzotwórczej więzi z analizami filozoficznymi i przestrzega kultury logicznej, to podejmując kwestie wskazane w tytule, należy zwracać uwagę na - mające konsekwencje pedagogiczne - rozstrzygnięcia ontologiczne, dotyczące ...
Rembierz, Marek
core   +2 more sources

Detection of obstetric anal sphincter injuries: From the fear of malpractice to a quality indicator of a center

open access: yesInternational Journal of Gynecology &Obstetrics, Volume 172, Issue 2, Page 710-716, February 2026.
Abstract Obstetric anal sphincter injuries (OASIs) constitute a significant complication in vaginal childbirth, affecting up to 26% of deliveries and representing the leading cause of anal incontinence among women. Despite their prevalence and serious long‐term consequences, OASIs remain widely underreported, partly because of clinicians' hesitancy ...
Ruwan Fernando   +16 more
wiley   +1 more source

Intoxication-related teenagers' suicide attempts - an analysis of the issue

open access: yesJournal of Education, Health and Sport, 2023
Introduction and Aim:  Adolescent suicide attempts are a significant clinical and social issue. Often, young people resort to medications, alcohol, or psychoactive substances in their suicide attempts.
Weronika Sosnowska   +5 more
doaj   +1 more source

II. János Pál pápa első lengyelországi látogatása – a lengyel pápa a lengyel és a szovjet dokumentumok tükrében (1978─1980) [PDF]

open access: yes, 2007
The first pilgrimage of Pope John Paul II in Poland. The polish Pope in the light of polish and soviet documents (1978-1980). In the first half of the study the author introduces the role that the Polish Catholic Church had in the development of ...
Mitrovits, Miklós
core  

Waiting for the rains: An attempt to evaluate the efficiency of the large Roman cistern at Barbariga Stancija (Casematte, Istria, Croatia)

open access: yesJournal of Quaternary Science, Volume 41, Issue 1, Page 99-117, January 2026.
ABSTRACT Access to freshwater has always been a critical factor in sustaining human settlements, especially in regions with limited water resources. In the Mediterranean region, where dry summers and karst landscapes limit water availability, ancient societies developed advanced methods for collecting and storing rainwater. Among these, cisterns played
Fabian Welc   +7 more
wiley   +1 more source

Statistical properties of one dimensional attractive Bose gas

open access: yes, 2011
Using classical field approximation we present the first study of statistical properties of one dimensional Bose gas with attractive interaction. The canonical probability distribution is generated with the help of a Monte Carlo method.
Brewczyk M.   +5 more
core   +1 more source

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