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Prikaz rezultata 3071-3080 od 3117
Komparativna studija antioksidativne aktivnosti boja i obojene tkanine: 5-(4-supstituisani fenilazo)-3-piridinijum-6-hidroksi-4-metil-2-piridoni / Comparative study of the antioxidant activity of dyes vs. dyestuff: 5-(4-substituted phenylazo)-3-pyiridinium-6-hydroxy-4-methyl-2-pyridones
(Beograd : Srpsko hemijsko društvo, 2021)
U ovom radu prikazane su sinteza i primena dve azo boje na bazi 6-hidroksi-4-metil-3-piridinijum2-piridona. Supstituisani piridon dobijen je Guareši-Torpeovom reakcijom kondenzacije, dok su azo
boje sintetisane klasičnim ...
Antimicrobial activity of different wound dressing products treated with silver / Antimikrobna aktivnost medicinskih materijala obrađenih srebrom
(Savez hemijskih inženjera Srbije, 2023)
The main goal of this work was to optimize the method of processing wound dressing products (like gauzes, sanitary pads, cotton wool, compresses, and bandages) with a commercial silver colloidal solution (Koloid doo, ...
Homogenization effect on microstructure Al-Mg-Si alloy containing low-melting point elements / Efekat homogenizacije na mikrostrukturu Al-Mg-Si legure koja sadrži nisko-topive elemente
(Beograd : Serbian Chemical Society, 2018)
The subject of this study has been an investigation of the homogenization temperature
effect on the microstructure of Al-Mg-Si alloy containing low-melting point Pb and Bi
elements. The results of the characterization ...
UTICAJ HALOGENOVANJA AROMATIČNOG PRSTENA NA KONFORMACIJU SPIROHIDANTOINSKIH JEDINJENJA / INFLUENCE OF HALOGENATION OF AROMATIC RING ON THE CONFORMATION OF SPIROHYDANTOIN COMPOUNDS
(Beograd : Srpsko kristalografsko društvo, 2021)
Kristalografska i kvantnohemijska studija, koja je usmerena na proučavanje efekata fluorovan-ja benzoil-grupe vezane za cikloheksan-5-spirohidantoin, pokazala je da aromatični prsten ima najveći afinitet prema cikloheksanskom ...
Homogenization effect on microstructure Al-Mg-Si alloy containing low-melting point elements / Effekat homogenizacije na mikrostrukturu Al-Mg-Si legure koja sadrži niskotopive elemente
(Beograd : Serbian Chemical Society, 2018)
The subject of this study has been an investigation of the homogenization temperature
effect on the microstructure of Al-Mg-Si alloy containing low-melting point Pb and Bi
elements. The results of the characterization ...
Određivanje otpornosti na dejstvo kavitacije uzoraka pirofilita / Determination of resistance to cavitation of pyrophyllite samples
(Inženjersko društvo za koroziju, 2021)
U radu je ispitivana otpornost pod dejstvom kavitacije uzoraka sinterovanog pirofilita. Polazni
uzorak pirofilita iz ležišta Parsović- BiH mleven je u vibracionom mlinu na granulaciju 20μm,
presovan je i sinterovan na ...
Reactivity of cyclohex-1-enylcarboxylic and 2-methylcyclohex-1-enylcarboxylic acids with diazodiphenylmethane in aprotic solvents / Reaktivnost cikloheks-1-enilkarbonske i 2-metilcikloheks-1-enilkarbonske kiseline sa diazodifenilmetanom u aprotičnim rastvaračima
(Serbian Chemical Society, Belgrade, 2000)
Rate constants for the reaction of diazodiphenylmethane with cyclohex-1-enylcarboxylic acid and 2-methylcyclohex-1-enylcarboxylic acid were determined in nine aprotic solvents, as well as in seven protic solvents, at 30 ...
Tensile properties of fiber-resin composites that consist of polyarmid fiber (Kevlar 129) and poly(vinilbutyral) / Zatezna svojstva polimernog kompozitnog materijala poliaramidna vlakna (Kevlar 129) - poli(vinilbutiral)(PVB)
(Savez inženjera metalurgije Srbije, Beograd, 2006)
Thanks to fact that composite material have usefully characteristic two or more materials, they are becoming more and more substitute standard materials in every field of technique they start to. In this study static ...
Saw surfacing of the worn part of crane wheel with flux cored wire / Navarivanje EPP-postupkom istrošenog dela točka dizalice primenom punjene žice
(DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd, 2006)
This paper presents results of repairing a ring part and rolling surfaces of the crane wheel by SAW method with flux cored wire. Optimal quality of flux cored wire for crane wheel repairing is defined by weld metal hardness ...
Influence of organic matter on the antibacterial activity of clove essential oil against Staphylococcus aureus
(Faculty of Technology, Leskovac, 2019)
Object and goals of the study: Clove essential oil is a clear, colourless to yellow liquid obtained from dried aromatic unopened floral buds of an evergreen tree Syzygium aromaticum. It possess strong characteristic sweet ...