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Приказ резултата 31-40 од 229
Effect of different reaction parameters on lipase-catalyzed esterification of naringin and esculin
(Faculty of Technology, University of Banja Luka, 2018)
Fatty acid flavonoid esters are antioxidants with high potential for food, cosmetic and pharmaceutic industry. However, their application is still not wide-spread due to low efficiency of traditional chemical esterifications, ...
Adsorpcija estrogenih hormona iz vodenih rastvora na različitim ugljeničnim materijalima
(Beogradska politehnika, 2019)
U ovom radu vršena je adsorpcija estrogenih hormona (estrona, 17β-estradiola i
17α-etinilestradiola) na različitim ugljeničnim materijalima, u cilju ispitivanja primenljivosti ovih
materijala za uklanjanje estrogenih ...
Određivanje veštačkog zaslađivača neotama u rečnim sedimentima / Determination of artificial sweetener neotame in river sediments
(Beograd : Srpsko hemijsko društvo, 2019)
Veštački zaslađivači predstavljaju emergentne zagađujuće materije u životnoj sredini. Decenijama se koriste kao aditivi u ishrani i farmaceutskim proizvodima zbog čega su široko rasprostranjeni u prirodnim vodama usled ...
Antioksidativna aktivnost etanolnih ekstrakata Thymus serpyllum
(Faculty of Technology, Zvornik, 2015)
Wild Thyme (Thymus serpyllum, Lamiaceae) is a subshrub from the Lamiaceae family, with
plants that are rich in essential oils and antioxidative polyphenolic substances. Reducing
potential of phenolic compounds gives them ...
Određivanje veštačkog zaslađivača saharina u uzorcima otpadne vode / Determination of artificial sweetener saccharin in wastewater samples
(Beograd : Beogradska politehnika, 2019)
Široka primena veštačkih zaslađivača u prehrambenoj i farmaceutskoj industriji počela je početkom osamdesetih godina prošlog veka. Većina ovih jedinjenja se ne metaboliše u ljudskom telu i izlučuje se uglavnom nepromenjena. ...
Hemijski modifikovane aktivirane ugljenične tkanine: Karakterizacija površine i adsorpcija estrogenih hormona
(Faculty of Technical Sciences, University of Novi Sad, 2018)
Aktivirane ugljenične tkanine su modifikovane sa HCl, HNO3 ili KOH. Nakon toga, vršena je
njihova karakterizacija primenom BET metode, FTIR analize i ispitivanjem tačke nultog naelektrisanja. Rezultati su pokazali da je ...
The influence of the cationic softeners on the structural and mechanical properties of differently pretreated cotton/elastane single jersey knitted fabrics / Uticaj katjonskog omekšivača na strukturna i mehanička svojstva različito pripremljenih pamuk/elastan desno-levih pletiva
(Beograd : Visoka tekstilna strukovna škola za dizajn, tehnologiju i menadžment, 2014)
In this study the effect of elastane and cationic softener finishing on properties of cotton and cotton/elastane single jersey knitted fabrics were studied, Samples od 100% cotton, elastane yarns in alternating courses ...
The analysis of stability of the electrospinning process of forming PVB-SiO2 nanocomposite fibers
(Belgrade : Materials Research Society of Serbia, 2011)
The PVB-SiO2 composite nanofibers were obtained by the electrospinning process. The experiments were carried out with PVB solution in concentration of 10 wt% where as the solvent was used ethanol. The silica nanoparticles ...
The effects of aging on the precipitation of the W-rich phase in the matrix of the 92.5W-5Ni-2,5Fe powder metallurgy heavy alloys
(Association of Metallurgical Engineers of Serbia (AMES), Beograd, 2013)
The precipitation behavior of W-rich phase on the specific matrix locations of
Co-free and Co-containing 92.5W-5Ni-2.5Fe heavy alloys is investigated during
aging of the as-quenched samples. The aging treatment is ...
PREPARATION, CHARACTERIZATION AND ANTIBACTERIAL ACTIVITY OF CLINOPTILOLITE/THYMOL COMPOSITES
(Srpsko zeolitsko drustvo, Beograd, 2019)
Composites based on natural zeolite – clinoptilolite and thymol were prepared using
two different approaches: 1) wet impregnation (WI) and supercritical solvent impregnation
(SSI). The SSI was more superior since it ...