Autor: Majka, T. M. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Examining the surface of the polyamide nanocomposite using optical profilometry
Autorzy:: Majka, M.
Majka, T. M.
Powiązania:: https://bibliotekanauki.pl/articles/134899.pdf
Data publikacji:: 2014
Wydawca:: Tomasz Mariusz Majka
Tematy:: polyamide nanocomposite
montmorillonite
optical profilometry
Fourier transform image
Opis:: In this paper the results of neat polyamide 6 (PA6), processed matrix and polyamide 6 reinforced with montmorillonite 3 wt% (PA6/MMT), surface examination are presented. Examination of surface of the samples was performed using optical profilometry, which allows to measure their physical properties in non-invasive method. Based on the analysis of the radiation intensity of the reflected light from the surface the Fourier Transform was performed, to allow the analysis of images obtained in the frequency domain.
Źródło:: Journal of Education and Technical Sciences; 2014, 1, 1; 8-9
2300-7419
2392-036X
Pojawia się w:: Journal of Education and Technical Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Simple solution of time travel problems
Autorzy:: Majka, M.
Hasan, Md. K.
Majka, T. M.
Powiązania:: https://bibliotekanauki.pl/articles/134901.pdf
Data publikacji:: 2015
Wydawca:: Tomasz Mariusz Majka
Tematy:: time travel
wormhole hypothesis
Minkowski light cone
event causality
grandfather paradox
philosophical perspective
Opis:: The most desired journey by human being is definitely travel through time. For centuries, people dream about time travel, to be able to go back and fix mistakes of the past. But there are many complications associated with time travel - starting from technological aspects ending with the philosophical paradoxes. Yet, is time travel possible from the technological and philosophical perspectives? How to solve the paradoxes of time travel? It should be noted that realisation of time travel leads not only to the discovery of the nature of time, but also to the understanding how much is unknown about it. In this paper, probability of time travel and solutions to paradoxes will be critically analysed from philosophical perspectives.
Źródło:: Journal of Education and Technical Sciences; 2015, 2, 1; 34-37
2300-7419
2392-036X
Pojawia się w:: Journal of Education and Technical Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: The global influence of local symmetry on entropy of the Universe
Autorzy:: Majka, M.
Gajewski, M.
Hasan, M. K.
Majka, T. M.
Powiązania:: https://bibliotekanauki.pl/articles/134889.pdf
Data publikacji:: 2016
Wydawca:: Tomasz Mariusz Majka
Tematy:: local symmetry
global symmetry
gravitational entropy
point symmetry
Opis:: Space and matter were created in the Big Bang. Since Big Bang, the Universe has been expanding continually by increasing its entropy. The fundamental forces broke their symmetries, making impossible to unify them together. Nevertheless, the symmetry of the Universe has not changed and interestingly will never. By analysing global and local symmetry, this paper will present a hypothesis on the future shape and energy expansion of the Universe. A new theory of point symmetry of the Universe will also be introduced.
Źródło:: Journal of Education and Technical Sciences; 2016, 3, 1; 5-7
2300-7419
2392-036X
Pojawia się w:: Journal of Education and Technical Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Eyespot resistance of winter wheat breeding lines evaluated with marker-assisted selection and inoculation tests at the seedling and adult plant stages
Autorzy:: Majka, M.
Kwiatek, M.
Korbas, M.
Danielewicz, J.
Gawlowska, M.
Goral, T.
Wisniewska, H.
Powiązania:: https://bibliotekanauki.pl/articles/65926.pdf
Data publikacji:: 2018
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: plant disease
fungal disease
eyespot
wheat
Triticum aestivum
resistance
winter wheat
plant breeding
breeding line
marker-assisted selection
inoculation
seedling
adult plant
Oculimacula yallundae
Oculimacula acuformis
Opis:: Eyespot is one of the most important fungal diseases of the stem base of wheat (Triticum aestivum L.). The presented study clearly demonstrated that the Pch1 gene was the main effective source for reducing the eyespot disease score in the analyzed winter wheat lines. Nevertheless, Pch1 was present only in 8−9% of the investigated lines. Using an isoenzymatic marker and molecular markers, the presence of the Pch1 gene and lack of the Pch2 gene was identified in six lines. Two lines, SMH 9409 and DL 358/13/4, were polymorphic in an isoenzymatic marker study. In the remaining three lines, C 3373/11-1, KBH 15.15 and KBP 1416, the Pch1 gene was identified only with the use of an isoenzymatic marker. Both genes Pch1 and Pch2, as well as the resistant variety Rendezvous, were found in three lines: DD 248/12, KBP 15.2 and STH 4431. In line DD 708/13, the presence of the Pch1 and Pch2 genes was identified, where the association between the Pch1 and the locus of the Xorw5 marker was broken. It was shown that the presence or absence of Pch1 and Pch2 genes did not significantly affect the grain yield (from the plot), although the yield was highest in the presence of both genes. A significant effect of the presence of the Pch1 gene on thousand kernel weight (TKW) was observed. Lines with the Pch1 gene showed significantly higher TKW values than lines without both genes or with the Pch2 gene only.
Źródło:: Journal of Plant Protection Research; 2018, 58, 4
1427-4345
Pojawia się w:: Journal of Plant Protection Research
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Superconducting Devices for Power Engineering
Autorzy:: Janowski, T.
Kondratowicz-Kucewicz, B.
Wojtasiewicz, G.
Kozak, S.
Kozak, J.
Majka, M.
Jaroszyński, L.
Powiązania:: https://bibliotekanauki.pl/articles/1398596.pdf
Data publikacji:: 2016-08
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 74.90.+n
84.60.Ve
84.70.+p
84.71.-b
84.71.Ba
84.71.Mn
85.25.-j
85.25.Am
85.25.Qc
Opis:: The paper presents the current state of research on superconducting devices for the electrical power system, i.e. transformers, fault-current limiters, and energy storages. In particular, it describes scientific achievements of the Laboratory of Superconducting Technologies of Electrotechnical Institute. The development of distributed and renewable energy sources, as well as the increasing number of receivers with low power factor will rise interest in superconducting fault-current limiters and superconducting transformers rated below 1 MVA. Previous studies were focused on the largest power transformers and highest current superconducting fault-current limiters. ReBCO coated conductors allow to build efficient superconducting AC devices. Superconducting tape of a layered structure (second generation HTS tape) enables the construction of transformer rated up to a few MVA without the usage of parallel conductors. Relatively high resistance of the tape in normal state allows to build fault-current limiters and fault-current limiting transformers. Superconducting transformers and superconducting fault-current limiters can help to increase connected power of distribution stations and thereby accelerate development of renewable energy sources.
Źródło:: Acta Physica Polonica A; 2016, 130, 2; 537-544
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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