Autor: Jankowski, Robert - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Prof. Tadeusz Jankowski 8 April 1940 – 6 November 2015
Autorzy:: Jankowski, Robert
Powiązania:: https://bibliotekanauki.pl/articles/1938603.pdf
Data publikacji:: 2016
Wydawca:: Politechnika Gdańska
Źródło:: TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2016, 20, 1; 7-8
1428-6394
Pojawia się w:: TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Optimal reshaping and stress controlling of double-layer spherical structures under vertical loadings
Autorzy:: Manguri, Ahmed
Saeed, Najmadeen
Mahmood, Aram
Katebi, Javad
Jankowski, Robert
Powiązania:: https://bibliotekanauki.pl/articles/2174098.pdf
Data publikacji:: 2022
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Opis:: Architectural structures’ nodal coordinates are significant to shape appearance; vertical overloading causes displacement of the joints resulting in shape distortion. This research aims to reshape the distorted shape of a double-layer spherical numerical model under vertical loadings; meanwhile, the stress in members is kept within the elastic range. Furthermore, an algorithm is designed using the fmincon function to implement as few possible actuators as possible to alter the length of the most active bars. Fmincon function relies on four optimization algorithms: trust-region reflective, active set, Sequential quadratic progra mming (SQP), and interior-point. The fmincon function is subjected to the adjustment technique to search for the minimum number of actuators and optimum actuation. The algorithm excludes inactive actuators in several iterations. In this research, the 21st iteration gave optimum results, using 802 actuators and a total actuation of 1493 mm.MATLAB analyzes the structure before and after adjustment and finds the optimum actuator set. In addition, the optimal actuation found in MATLAB is applied to the modeled structure in MATLAB and SAP2000 to verify MATLAB results.
Źródło:: Archives of Civil Engineering; 2022, 68, 4; 591--606
1230-2945
Pojawia się w:: Archives of Civil Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Water level fluctuations in the Turawa Reservoir in relation to the tourist use of the water body
Autorzy:: Jankowski, Andrzej T.
Ruman, Marek
Górniak, Robert
Powiązania:: https://bibliotekanauki.pl/articles/2029808.pdf
Data publikacji:: 2008-06-01
Wydawca:: Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:: limnology
water reservoirs
retention changes
tourism
Opis:: The aim of the paper is to assess the fluctuations of water levels in the Turawa Reservoir (50° 43' N, 18° 08' E) in relation to the tourist use of the water body. The reservoir is situated within the macroregion of the Silesian Lowland in the mesoregion of the Opole Plain. In administrative terms, the reservoir is situated in the pole Province within the borough of Turawa. In hydrological terms, in turn, it is situated in the catchment area of the Mała Panew river, which belongs to the basin of the Odra river. The Turawa Reservoir was opened for use in 1938, and in 1948 it was filled with water to its maximum for the first time. At present, the surface area of the reservoir, when it is filled with water to its maximum, is about 20.8 km2, its volume 99.5 mln m3, and its depth exceeds 13 meters. In the period of hydrological years 1976-2000 water levels in this reservoir were characterized by high, unnoticed in natural conditions, amplitudes of changes reaching 6.99 m. Anthropogenically stimulated fluctuations in the water level result in conflicts in terms of tasks and functions that the Turawa Reservoir was designed for. Changes in the level of the water surface in the Turawa Reservoir resulted from the impact of the natural factors (thaw and rainfall related high water levels), as well as anthropogenic ones (the need to improve sailing conditions, water supply for industrial and municipal needs). Decreasing the fluctuations of water levels in the Turawa Reservoir is necessary in order to maintain its tourist-recreational functions and keep the ecological condition of its waters at the appropriate level.
Źródło:: Miscellanea Geographica. Regional Studies on Development; 2008, 13; 133-144
0867-6046
2084-6118
Pojawia się w:: Miscellanea Geographica. Regional Studies on Development
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: New cationic polyprenyl derivative proposed as a lipofecting agent
Autorzy:: Madeja, Zbigniew
Rak, Monika
Wybieralska, Ewa
Różański, Igor
Masnyk, Marek
Chmielewski, Marek
Łysek, Robert
Chojnacki, Tadeusz
Jankowski, Wiesław
Ciepichal, Ewa
Swiezewska, Ewa
Tekle, Michael
Dallner, Gustav
Powiązania:: https://bibliotekanauki.pl/articles/1040890.pdf
Data publikacji:: 2007
Wydawca:: Polskie Towarzystwo Biochemiczne
Tematy:: lipofection
transfection
GFP
cationic polyprenyl
Opis:: Cationic linear poly-cis-isoprenoid prepared from natural plant polyprenol in a mixture with dioleyl phosphatidylethanolamine was found to be an effective lipofection agent for eukaryotic cells. The transfecting activity is related to the poly-cis structure of the polyprenyl chain.
Źródło:: Acta Biochimica Polonica; 2007, 54, 4; 873-876
0001-527X
Pojawia się w:: Acta Biochimica Polonica
Dostawca treści:: Biblioteka Nauki

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