Search results for: Monika Michalak

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Rewolucja czy bałagan? Co się zmieniło w podatkach od 1 stycznia 2022 r.?

Monika Michalak, Dominika Ramírez-Wołkiewicz

Stal, Metale & Nowe Technologie > 2022 > nr 1-2 > 8--10

Nowy rok przyniósł wiele podatkowych zmian, wśród których próbują się odnaleźć zarówno konsumenci, jak i przedsiębiorcy. Oprócz tych najbardziej popularnych i omawianych w ostatnich dniach warto także przyjrzeć się innym rozwiązaniom podatkowym, które również będą miały wpływ na działanie przedsiębiorstw. Redakcja czasopisma „STAL Metale & Nowe Technologie” postanowiła zapytać o nie ekspertów...

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Effect of TiO₂ on the microstructure and phase composition of Al₂O₃ and Al₂O₃–TiO₂ APS sprayed coatings

Monika Michalak, Leszek Łatka, Paweł Sokołowski, Rolando T. Candidato, more

Bulletin of the Polish Academy of Sciences. Technical Sciences > 2021 > Vol. 69, nr 2 > art. no. e136735

Plasma sprayed ceramic coatings serve as protective layers and are frequently exposed to aggressive wear, corrosion, or high-temperature environment. Currently, alumina and alumina-titania are some of the most popular protective ceramic composite coatings used in the industry. The present work deals with the investigation of the influence of TiO₂ content in the feedstock powder on the resulting microstructure...

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Codified gestures i scenic learning – dwie techniki oparte na gestach i ruchu scenicznym wspomagające naukę języka angielskiego uczniów szkół podstawowych

Monika Michalak

Homo Ludens > 2020 > 1(13) > 149-162

Gesty pełnią istotną rolę w generowaniu nowych pomysłów i pomagają rozwiązywać problemy w sposób kreatywny. Wyniki najnowszych badań wskazują na wiele korzyści płynących ze stosowania tzw. gestów kodowanych na lekcjach języka obcego z początkującymi uczniami. Ponadto wdrożenie elementów ruchu scenicznego ma pozytywny wpływ na zapamiętywanie przez uczniów nowego słownictwa, motywuje ich do nauki, zachęca...

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Mechanical properties investigations of the plasma sprayed coatings based on alumina powder

Joanna Spyra, Monika Michalak, Aneta Niemiec, Leszek Łatka

Welding Technology Review > 2020 > R. 92, nr 4 > 17--23

In this paper Al2O3 + 13 wt% TiO2 ceramic coatings manufactured by Atmospheric Plasma Spraying (APS) have been investigated. The commercial feedstock materials, Metco 6221 (top coat) and Amdry 4535 (bond coat) have been deposited on stainless steel coupons. The main goal of researches was to determine the influence of critical plasma spray parameters (CPSP) on structure and properties of the coatings...

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Investigations of microstructure and selected mechanical properties of Al2O3 + 40 wt.% TiO2 coatings deposited by Atmospheric Plasma Spraying (APS)

Monika Michalak, Leszek Łatka, Paweł Sokołowski, Andrzej Ambroziak

Welding Technology Review > 2019 > R. 91, nr 8 > 7--11

Atmospheric Plasma Spraying (APS) enables deposition of coatings from different materials, including those based on Al2O3 and TiO2. In this work, Al2O3 + 40 wt.% TiO2 coatings were tested. The relationships between mechanical properties, microstructure and spraying parameters (namely: spraying distance and torch scan velocity) were investigated. Commercial -45 + 5 μm powders in agglomerated as-produced...

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The microstructure and selected mechanical properties of Al2O3 + 3 wt.% TiO2 plasma sprayed coatings

Monika Michalak, Leszek Łatka, Paweł Sokołowski

Welding Technology Review > 2019 > R. 91, nr 6 > 39--45

The Al2O3+TiO2 coatings are of the interest of surface engineering due to their high hardness and wear resistance but also increased toughness, when compared to pure Al2O3 ones. This article describes the deposition of Al2O3+3 wt.% TiO2 coatings by Atmospheric Plasma Spraying (APS) technique. The commercial AMI 6300.1 powder (-45 + 22 μm) was used as a feedstock. The 2k+1 spraying experiment, based...

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A Comparison of Tribological Performances of Al2O3 and Al2O3 + 40 WT. % Tio2 Coatings Manufactured by Atmospheric Plasma Spraying

Aneta Niemiec, Monika Michalak, Leszek Łatka, Paweł Sokołowski

Tribologia > 2019 > nr 4 > 63--71

In this paper, the results of tribological, microscopic and mechanical research of Al2O3 and Al2O3 + 40 wt.% TiO2 coatings manufactured by atmospheric plasma spraying (APS) were presented. The feedstock materials were Al2O3 (Metco 6103, Oerlikon Metco) and Al2O3 + 40 wt.% TiO2 (Metco 131VF, Oerlikon Metco) powders with the average grain size of 30 μm. The stainless steel (X5CrNi18-10) coupons had...

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Impact of processing on polysaccharides obtained from button mushroom (Agaricus bisporus)

Wojciech Radzki, Marta Ziaja‐Sołtys, Jakub Nowak, Jolanta Topolska, more

International Journal of Food Science & Technology > 54 > 4 > 1405 - 1412

Agaricus bisporus fruiting bodies were subjected to processing: blanching, boiling in water and blanching followed by lactic acid fermentation. Water soluble polysaccharides were obtained from fruiting bodies, quantified and analysed in terms of chemical composition, antioxidant capacity and antiproliferative activity towards cancer cell lines (MCF‐7 and T‐47D). The content of water soluble polysaccharides...

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Tribological Properties of Al2O3 + TiO2 Coatings Manufactured by Plasma Spraying

Leszek Łatka, Aneta Niemiec, Monika Michalak, Paweł Sokołowski

Tribologia > 2019 > nr 1 > 19--24

In the paper the results of tribological, microscopic, and mechanical research of Al₂O₃+ TiO₂ coatings manufactured by plasma spraying are presented. The feeding material was a powder Al₂O₃+ 13 wt.% TiO₂ (Metco 6221, OerlikonMetco) with grain size – 45 ± 15 μm. The cylinder substrates made from stainless steel (X5CrNi18-10) had a diameter equal to 25 mm and 2 mm of thickness. The variable spray parameters...

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Opieka nad pacjentem ze stwardnieniem rozsianym

Monika Michalak, Paulina Hydzik, Dagmara Waliszewska

Współczesne Pielęgniarstwo i Ochrona Zdrowia > 2018 > 2 > 48-50

Stwardnienie rozsiane jest przewlekłą oraz postępującą chorobą ośrodkowego układu nerwowego, charakteryzującą się występowaniem rozsianych ognisk demielinizacji obejmujących mózg oraz rdzeń kręgowy. W pracy wykorzystano studium indywidualnego przypadku, z wykorzystaniem procesu pielęgnowania, w którym zawarto najistotniejsze problemy pielęgnacyjne.

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Antioxidant Activity, Technological and Rheological Properties of Baked Rolls Containing Dried Onions (Allium cepa L.)

Monika Michalak‐Majewska, Bartosz Sołowiej, Aneta SłAwińska

Journal of Food Processing and Preservation > 41 > 1 > n/a - n/a

The aim of this study was to explore the effect of substituting wheat flour by 2.5, 5, 10 and 20% white, yellow and red dried onion. It caused improvement in antioxidant potential and increasing concentrations of total phenolic compounds from 1.52 to 3.81 mg GAE/g d.w., decrease of loaf volume (from 520.97 to 202.88), also a change of crumb color and increase of hardness, gumminess and chewiness...

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Effect of jasmonic acid elicitation on the yield, chemical composition, and antioxidant and anti-inflammatory properties of essential oil of lettuce leaf basil (Ocimum basilicum L.)

Urszula Złotek, Monika Michalak-Majewska, Urszula Szymanowska

Food Chemistry > 2016 > 213 > C > 1-7

The effect of elicitation with jasmonic acid (JA) on the plant yield, the production and composition of essential oils of lettuce leaf basil was evaluated. JA-elicitation slightly affected the yield of plants and significantly increased the amount of essential oils produced by basil – the highest oil yield (0.78±0.005mL/100gdw) was achieved in plants elicited with 100μM JA. The application of the...

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Study on vitamin D2 stability in dried mushrooms during drying and storage

Aneta Sławińska, Emilia Fornal, Wojciech Radzki, Katarzyna Skrzypczak, more

Food Chemistry > 2016 > 199 > C > 203-209

The main objective of this work was to determine the stability of vitamin D₂ in dried mushrooms Agaricus bisporus, Pleurotus ostreatus and Lentinula edodes during storage, as well as to examine the possibility of inducing vitamin D₂ production in dried mushrooms by UVB irradiation. After 1.5year storage of dried mushrooms, the level of vitamin D₂ in button mushrooms was found to be 6.90μg/g dw, which...

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Effect of processing on the content and biological activity of polysaccharides from Pleurotus ostreatus mushroom

Wojciech Radzki, Marta Ziaja-Sołtys, Jakub Nowak, Jolanta Rzymowska, more

LWT - Food Science and Technology > 2016 > 66 > Complete > 27-33

Water soluble polysaccharides (WSP) were isolated from processed and non-processed fruiting bodies of oyster mushroom (Pleurotus ostreatus). The processing methods involved: blanching, boiling and blanching followed by fermenting with a strain of lactic acid bacteria (Lactobacillus plantarum). The yields of WSP ranged from 78.7 ± 1.5 mg/g to 120.1 ± 4.9 mg/g dry weight of sample. Blanching did not...

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