Vol. 11 No. 4 (2020)

View Vol. 11 No. 4 (2020)

Published: 2021-01-31

Original articles

Pre-assessment of the essential oils adulteration

Marek Chyc

1-7
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Calculation of the molar heat of formation of fatty acid triglycerides from the heat of combustion of vegetable oils

Łukasz Jęczmionek

8-15
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Bentonite granulates as a seals for mobile flood barriers

Piotr Wrona, Wojciech Panna, Stanisław Lipiński, Maciej Woźniak

16-23
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The electronic structure of phosphotungstic (H₃PW₁₂O₄₀) heteropolyacids modified by Fe²⁺ cation

Piotr Jan Niemiec

24-32
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Analysis of dentistry cements using FTIR spectroscopy

Agata Lada

33-39
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Research and determination of the degradation mechanism of repeatedly processed polycarbonate

Michał Kisilewicz, Marcin Tomkiewicz, Piotr Szatkowski

40-47
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Assessment of the antibacterial activity of chestnut (Castanea sativa) and cloves (Syzygium aromaticum) herbal extracts as an alternative to antibiotics use during post-hatching period of chicks

Rafał Kędzia, Marcin W. Lis

48-54
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