Autor: Jasiński, Jan. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Gry i ćwiczenia terenowe dla organizacyj młdzieży hufców przyspos. wojskow. oraz szkół powszechnych i Srednich : podręcznik do nauki języka polskiego dla II klasy gimnazjalnej
Autorzy:: Jasiński, Jan.
Data publikacji:: 1942
Wydawca:: Palestyna : Komisja Wyszkoleniowo-Wydawnicza Dowództwa APW
Tematy:: 2 Korpus Polski wydawnictwa wojskowe 1943-1945 r.
Opis:: Przedruk wyd. Poznań 1938.
Bibliogr.
Dostawca treści:: Bibliografia CBW

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Skocz do pozycji: 2.

Tytuł:: On the Audibility of Electric Guitar Tonewood
Autorzy:: Jasiński, Jan
Oleś, Stanisław
Tokarczyk, Daniel
Pluta, Marek
Powiązania:: https://bibliotekanauki.pl/articles/2097700.pdf
Data publikacji:: 2021
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: electric guitar
tonewoods
spectral analysis
instrument timbre
exotic woods
guitar tone
Opis:: Electric guitar manufacturers have used tropical woods in guitar production for decades claiming it as beneficiary to the quality of the instruments. These claims have often been questioned by guitarists but now, with many voices raising concerns regarding the ecological sustainability of such practices, the topic becomes even more important. Efforts to find alternatives must begin with a greater understanding of how tonewood affects the timbre of an electric guitar. The presented study examined how the sound of a simplified electric guitar changes with the use of various wood species. Multiple sounds were recorded using a specially designed test setup and their analysis showed differences in both spectral envelope and the generated signal level. The differences between the acoustic characteristics of tones produced by the tonewood samples explored in the study were larger than the just noticeable differences reported for the respective characteristics in the literature. To verify these findings an informal listening test was conducted which showed that sounds produced with different tonewoods were distinguishable to the average listener.
Źródło:: Archives of Acoustics; 2021, 46, 4; 571-578
0137-5075
Pojawia się w:: Archives of Acoustics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Waste as substrates for agricultural biogas plants : A case study from Poland
Autorzy:: Czekała, Wojciech
Pulka, Jakub
Jasiński, Tomasz
Szewczyk, Piotr
Bojarski, Wiktor
Jasiński, Jan
Powiązania:: https://bibliotekanauki.pl/articles/2203541.pdf
Data publikacji:: 2023
Wydawca:: Instytut Technologiczno-Przyrodniczy
Tematy:: biofuels
biogas plant
circular economy
renewable energy
waste management
waste to energy
Opis:: Energy production from renewable sources is one of the main ways to fight against global warming. Anaerobic digestion process can be used to produce biogas containing methane. In the light of the growing demand for substrates, a variety of raw materials are required. These substrates should be suitable for anaerobic digestion, and processing them need to provide the desired amount of energy. This paper aims to discuss the agricultural biogas market in Poland, its current state, and the possibility of development during energy transformation, in particular in terms of using waste as a substrate for energy production. In February 2022, there were 130 agricultural biogas plants registered in Poland. On the other hand, in 2020, 4,409,054.898 Mg of raw materials were used to produce agricultural biogas in Poland. Among all the substrates used, waste played a special role. With the right amount of raw materials and proper management of a biogas plant, it is possible to produce electricity and provide stable and predictable heat supply. Bearing in mind the development of the Polish and European biogas markets, attention should be paid to ensure access to raw materials from which chemical energy in the form of biogas can be generated. Due to limited access to farmland and the increasing demand for food production, one should expect that waste will be increasingly often used for biogas production, especially that with high energy potential, such as waste related to animal production and the meat industry.
Źródło:: Journal of Water and Land Development; 2023, 56; 45--50
1429-7426
2083-4535
Pojawia się w:: Journal of Water and Land Development
Dostawca treści:: Biblioteka Nauki

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