Výsledky vyhledávání - "Sroka Zbigniew"

Akademický článek

Antiradical activity and amount of phenolic compounds in extracts obtained from some plant raw materials containing methylxanthine alkaloids

Autor: Sroka Zbigniew, Janiak Maria, Dryś Andrzej

Publikováno v: Herba Polonica, Vol 61, Iss 3, Pp 53-66 (2015)

Raw materials containing methylxanthine alkaloids such as yerba mate, guaraná, white and green tea, coffee seeds, chocolate and cacao seed powder and extracts obtained from these raw materials were investigated for their antioxidant features and the

Externí odkaz: https://doaj.org/article/b06e3c1a03b94b55a6abb8661891c386

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Akademický článek

Description and Application of A Model of Seepage under A Weir Including Mechanical Clogging

Autor: Sroka Zbigniew, Walczak Zbigniew, Wosiewicz Bogdan

Publikováno v: Journal of Water and Land Development, Vol 21, Iss 1, Pp 3-9 (2014)

The paper discusses seepage flow under a damming structure (a weir) in view of mechanical clogging in a thin layer at the upstream site. It was assumed that in this layer flow may be treated as one-dimensional (perpendicular to the layer), while else

Externí odkaz: https://doaj.org/article/7f593eb0ab6a4b188d5ceca3644676a2

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Akademický článek

Analysis of application of alternative drive systems for international heavy-duty transport on Wroclaw-Dresden-Prague routes

Autor: Skrętowicz Maria, Sroka Zbigniew

Publikováno v: E3S Web of Conferences, Vol 22, p 00159 (2017)

The depletion of the fossil fuels resources, significant increase of the air pollution caused by the use of internal combustion engines, and emission of carbon dioxide which is responsible for the greenhouse effect escalates the development of vehicl

Externí odkaz: https://doaj.org/article/950136dfd73f43db8971593cb3e2f2ee

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