Výsledky vyhledávání - "Veličković Ana"

Akademický článek

Prevalence and identification of irregular erythrocyte antibodies in voluntary blood donors in the territory of Southeast Serbia

Autor: Ranđelović Milica, Veličković Ana, Vojinović Jelena, Stanojković Zoran

Publikováno v: Vojnosanitetski Pregled, Vol 81, Iss 5, Pp 293-299 (2024)

Background/Aim. The purpose of tests for transmittable diseases, as well as determining ABO group, Rh typing, and the presence of clinically significant erythrocyte anti-bodies, is to enable the appropriate selection of blood/blood components for tra

Externí odkaz: https://doaj.org/article/e5b16142056542a696dd0952471bfbca

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Akademický článek

Modeling the biodiesel production using the wheat straw ash as a catalyst

Autor: Veličković Ana, Avramović Jelena, Kostić Milan, Krstić Jugoslav B., Stamenković Olivera, Veljković Vlada B.

Publikováno v: Hemijska Industrija, Vol 75, Iss 5, Pp 257-276 (2021)

Wheat straw ash (WSA) was investigated as a new catalyst in biodiesel production from sunflower oil. The catalyst was characterized by temperature-programmed decomposition, X- ray powder diffraction, Hg porosimetry, N2 physisorption, and scanning

Externí odkaz: https://doaj.org/article/8fd9984848cd459fbfe6863aece3745b

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Akademický článek

Kinetics of the sunflower oil ethanolysis using CaO as catalyst

Autor: Veličković Ana V., Avramović Jelena M., Stamenković Olivera S., Veljković Vlada B.

Publikováno v: Chemical Industry and Chemical Engineering Quarterly, Vol 22, Iss 4, Pp 409-418 (2016)

The ethanolysis of sunflower oil catalyzed by calcium oxide was studied in wider ranges of the reaction conditions: temperature 65-75°C, ethanol-to-oil molar ratio 6:1-18:1 and catalyst loading 10-20% in order to determine the reaction kinetics.

Externí odkaz: https://doaj.org/article/68eded0b287b4d0c832809a1b4b6900b

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Akademický článek

Chemical constituents and antimicrobial activity of the ethanol extracts obtained from the flower, leaf and stem of Salvia officinalis L

Autor: Veličković Dragan T., Ranđelović Novica V., Ristić Mihailo S., Veličković Ana S., Šmelcerović Andrija A.

Publikováno v: Journal of the Serbian Chemical Society, Vol 68, Iss 1, Pp 17-24 (2003)

In this paper a comparison of the chemical composition and antimicrobial action of the ethanol extracts from the flower, leaf and stem of the herbal species Salvia officinalis L. (Lamiaceae), originating from the southeast region of Serbia was carrie

Externí odkaz: https://doaj.org/article/c912c95deea04a73a38b22c6416de6da

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Akademický článek

The possibilities of the application of some species of sage (Salvia L) as auxiliaries in the treatment of some diseases

Autor: Veličković Ana S., Ristić Mihailo S., Veličković Dragan T., Ilić Stevan N., Mitić Nataša D.

Publikováno v: Journal of the Serbian Chemical Society, Vol 68, Iss 6, Pp 435-445 (2003)

The chemical composition of four essential oils of four species of sage (Salvia officinalis L., Salvia pratensis L., Salvia glutinosa L. and Salvia aethiopis L) are examined by GC-FID and GC-MS analysis. The presence of some components in the essenti

Externí odkaz: https://doaj.org/article/acd05f2eea544641b8befabd73a50b85

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Akademický článek

Chemical composition and antimicrobial action of the ethanol extracts of Salvia pratensis L. Salvia glutinosa L. and Salvia aethiopis L.

Autor: Veličković Dragan T., Ranđelović Novica V., Ristić Mihailo S., Šmelcerović Andrija A., Veličković Ana S.

Publikováno v: Journal of the Serbian Chemical Society, Vol 67, Iss 10, Pp 639-646 (2002)

In this paper the chemical composition and antimicrobial action of the extracts from the flower, leaf and stem of Salvia pratensis L., Salvia glutinosa L. and Salvia aethiopis L. were investigated. The investigated extracts mostly contain monoterpene

Externí odkaz: https://doaj.org/article/a8ab810a46bd474f966dec50fcb97061

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