OPEN Repository
Welcome to OPEN - the Repository of Open Scientific Publications, run by the Interdisciplinary Centre for Mathematical and Computational Modelling, University of Warsaw, previously operating as the CeON Repository. The Repository enables Polish researchers from all fields to openly share their articles, books, conference materials, reports, doctoral theses, and other scientific texts.
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23551 archived items
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Recent Submissions
Item
Effect of eco-friendly digital printing on the fastness properties of single jersey knitted fabrics
(Sciendo, 2023-12-01) Kadem, Füsun Doba; Özdemir, Şehpal; Çukurova University Faculty of Engineering, Sarıçam, Adana Turkey
In this study, single jersey knitted fabrics were produced from 100 % Ne 12/1 cotton, 100 % Ne 30/1 cotton, Ne 12/1 70% cotton + 30% hemp, Ne 30/1 50% modal + 50 % cotton, Ne 30/1 100 % viscose, and Ne 30/1 50 % viscose + 50 % cotton. The raw materials were bleached and singed, after which reactive pretreatment paste recipes were padded onto the fabrics, and then colored with digital printing. Fastness analyses and spectrophotometric color measurements were applied to the samples. When the results were determined, it was obviously seen that the washing, ironing, and rubbing fastness are of very high degrees because reactive dyestuffs make covalent bonds with the fibers. Thus, the increase in the amount of thickener also increased the bonding and provided better adhesion of the color.
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Teologiczne konotacje pieśni porannej Franciszka Karpińskiego "Kiedy ranne wstają zorze"
(Akademia Katolicka w Warszawie, 2024-12) Kupiński, Krzysztof Roman; Wyższa Szkoła Kadr Menedżerskich
The author examines theological references in Franciszek Karpiski’s hymn, highlighting its deep roots in Catholic truths of faith, such as the Creation of the world, Divine Providence, and Resurrection and eternal life. The hymn “When the Morning Sun Rises” also emphasizes God’s omnipresence and the need to give Him glory. The hymn’s straightforward phrasing and poetic style make it an effective tool for proclaiming God’s revelation, appealing to both laypeople and educated folks.
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Extracellular activity of proteases from Yarrowia lipolytica IPS21 as a function of the carbon and nitrogen source
(Sciendo, 2023-12-01) Wieczorek, Dorota; Miśkiewicz, Katarzyna; Gendaszewska, Dorota; Pipiak, Paulina; Lasoń-Rydel, Magdalena; Sieczyńska, Katarzyna; Ławińska, Katarzyna; Lukasiewicz Research Network - Lodz Institute of Technology, Łódź, Poland; Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Łódź, Poland
The yeast strain Yarrowia lipolytica IPS 21 was tested for its ability to produce the protease enzyme on analytically pure carbon sources as well as on waste carbon sources. It was confirmed that the yeast Y. lipolytica IPS21 can have a higher proteolytic activity in the presence of waste carbon sources in chrome-tanned leather shavings (CTLS) than on yeast extract alone. This is confirmed by the high concentration of amino acids in samples with CTLS, suggesting increased degradation of CTLS by Y. lipolytica or secretion of proteases into the medium. It was also confirmed that metals accumulate mainly in the biomass and not in the supernatant. The biomass was also found to contain high levels of Ca, K and P, which are essential for plant growth. These results show that Y. lipolytica strain IPS21 can be used for the production of extracellular alkaline proteases and for the degradation of protein waste.
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A Jagellók és Magyarország 1541-ben
(2017) Brzeziński, Szymon
Although Polish historiography does not usually regard 1541 as an important date, contemporary reactions in the country show that the fighting around Hungarian capital, Buda, and the subsequent Ottoman occupation of the city received much more active attention than the Battle of Mohács or even the siege of Vienna in 1529. Here, we attempt to outline the policy and objectives of the Polish court in 1540 and 1541, using diplomatic reports and manuscript documents. Some degree of ambivalence may be detected in court policy. Although King Sigismund was attempting to maintain good relations with both the Habsburgs and the Ottoman Empire, he was also trying to secure the future of his daughter and grandson. At first, the Polish emissaries tried to persuade the parties to observe the terms of the Peace of Várad, but when Sigismund saw the escalation of events and the resistance of the Hungarian elite in 1541, he increasingly adopted the view that he should let his daughter decide whether to stay in Hungary and try to secure the throne for her son. It should also be pointed out that there was no coherent ‘Hungarian policy’. For one thing, the antiHabsburg, pro-Szapolyai groups in Polish elite circles made their intentions clear, and for another, the uncertainty of news from Hungary caused serious difficulties for Polish diplomats in making rapid and resolute decisions at crucial moments.
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Structural and Physiological Properties of Footwear Textiles
(Sciendo, 2023-12-01) Kaziur, Patrycja; Mikołajczyk, Zbigniew; Lodz University of Technology, Faculty of Materials Technologies and Textile Design, Department of Knitting Technologies and Textile Machines
Textile uppers in the form of fitted knitted fabrics are now gaining in importance in the production of commercial footwear. The subject of this study was twelve different textile uppers and two reference leather materials. Structural properties and parameters of physiological comfort were characterized for selected variants. In order to analyze the thermo-physiological properties of the upper parts of the footwear, air permeability, thermal insulation properties, water vapor permeability and sorption properties were measured. Among the variants of textile uppers analyzed, the most desirable functional properties were shown by knitted fabrics made on cylindrical crochet machines of large diameters. The varnished cowhide leather variant was characterized by the worst hygienic properties.
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