Results 71 to 80 of about 6,488 (151)

Reversibility in some hysteresis models: A brief review [PDF]

open access: yesSerbian Journal of Electrical Engineering
Electrical engineers and solid state physicists are interested in modeling hysteresis. In the present short review paper we point out the necessity to take into account the effect of reversible magnetization processes in the descriptions.
Jastrzębski Radosław   +1 more
doaj   +1 more source

Doświadczenia śląskie w działalności biskupa częstochowskiego Teodora Kubiny

open access: yesŚląskie Studia Historyczno-Teologiczne, 2002
Monseigneur l’évêque T. Kubina, depuis 1925 le premier évêque de la diocèse de Częstochowa, sous plusieurs formes s'engageait dans la vie de Silésie et des Silésiens. Il est né à Świętochłowice et il a été élevé parmi les Silésiens.
Mariusz Trąba
doaj  

The Effect of Vacuum Assistance on the Quality of Castings Produced by High Pressure Die Casting Method

open access: yesArchives of Foundry Engineering, 2014
The presented work is aimed to deal with the influence of changes in the value of negative (relative) pressure maintained in the die cavity of pressure die casting machine on the surface quality of pressure castings.
Łągiewka M.   +3 more
doaj   +1 more source

Economic conditions for sustainable development

open access: yesХабаршысы. Экономика сериясы
Sustainable development is a complex topic that can be analyzed from different perspectives. Key factors such as energy, population, food and economy have a significant impact on the mutual relationships between them.
J.K. Grabara, M. Chłąd
doaj   +1 more source

Nitrates and phosphates in cave waters of Kraków-Częstochowa Upland, southern Poland [PDF]

open access: yes, 2017
The paper presents the varied presence of nitrates and phosphates in water from caves located in Częstochowa and Kraków, in urban, strongly anthropogenic conditions, representing the vadose zone of the fissure-karstic-porous massif of Upper Jurassic ...
Różkowski, Kazimierz   +7 more
core   +1 more source

[rec.] J. Jagieła, A. Sarnat-Ciastko, Dlaczego analiza transakcyjna? Rozmowy o zastosowaniu analizy transakcyjnej w pracy nauczyciela i wychowawcy

open access: yesEdukacyjna Analiza Transakcyjna, 2015
Recenzja książki autorstwa Jarosława Jagieły, Adrianny Sarnat-Ciastko: Dlaczego analiza transakcyjna? Rozmowa o zastosowaniu analizy transakcyjnej w pracy nauczyciela i wychowawcy, Wydawnictwo AJD, Częstochowa 2015, ss ...
Wiga Bednarkowa
doaj   +1 more source

The Assessment of Modification of High-Zinc Aluminium Alloy

open access: yesArchives of Foundry Engineering, 2014
The results of examinations of the influence of titanium-boron inoculant on the solidification, the microstructure, and the mechanical properties of AlZn20 alloy are presented. The examinations were carried out for specimens cast both of the non-modified
Zyska A.   +3 more
doaj   +1 more source

Częstochowa / Schrift und Gerippe v. Feldw. A. Rüker ; Terrainschraffirung v. Vorstd. Jak. Pauliny

open access: yes, 1890
CZĘSTOCHOWA / SCHRIFT UND GERIPPE V. FELDW. A. RÜKER ; TERRAINSCHRAFFIRUNG V. VORSTD. JAK. PAULINY General-Karte von Mittel-Europa (-) Częstochowa / Schrift und Gerippe v. Feldw. A. Rüker ; Terrainschraffirung v. Vorstd. Jak. Pauliny (37°51°) ( -
Pauliny, Jak., Rüker, A.
core  

Upper Triassic vertebrate tracks from Kraków–Częstochowa Upland, southern Poland [PDF]

open access: yes, 2013
The first Upper Triassic vertebrate fossil tracks are documented from the Zawiercie locality, Kraków–Częstochowa Upland, southern Poland. The most characteristic components of the assemblage are tracks, assig- nable to archosaurs and dicynodonts.
Wawrzyniak, Z., Sadlok, G.
core  

The Influence of the Mould Filling Conditions on the Quality of Castings Made of EN AC-44000 Alloy

open access: yesArchives of Foundry Engineering, 2014
The work deals with the influence of change in the filling conditions of the ceramic moulds with plaster binder on the presence of gaseous porosity and the microstructure of the achieved test castings with graded wall thickness.
Nadolski M.   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy