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Приказ резултата 61-70 од 240
Uklanjanje estrona, 17β-estradiola i 17α-etinilestradiola iz vode na aktivnim ugljeničnim tkaninama
(Beograd : Visoka škola strukovnih studija Beogradska politehnika, 2017)
Prisustvo estrogenih hormona u vodenim resursima čak i u veoma niskim koncentracijama (reda
veličine ng/L) može dovesti do niza funkcionalnih poremećaja kod akvatičnih organizama, kao što
su poremećaj u radu endokrinog ...
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 ...
Antifungalna aktivnost etarskih ulja mediteranskih biljaka prema Candida albicans
(Društvo medicinskih mikrobiologa Srbije - DMMS, 2016)
Upotreba antibiotika širokog spektra dejstva, kortikosteroida, imunosupresiva, kao i brojni spoljni faktori koji slabe odbrambene funkcije organizma, intenziviraju rast Candida albicans i uzrokuju pojavu kandidijaze. Ova ...
Adsorpcija estrogenih hormona na modifikovanim ugljeničnim tkaninama
(Srpsko hemijsko društvo, Beograd, Srbija, 2018)
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 ...
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. ...
Antimikrobna aktivnost bagremovog meda / The antimicrobial activity of the acacia honey
(Leskovac : Tehnološki fakultet = Faculty of Technology, 2015)
Antibacterial, antifungal and antiviral activity of honey has been known since ancient times and mostly is connected with hydrogen peroxide, produced by the activity of the enzyme glucose oxidase, secreted by honeybees. ...
TEMPO oxidation as a tool for improving antibacterial properties of viscose fabric functionalized with chitosan based nanoparticles
(Union of Engineers and Textile Technicians of Serbia, Belgrade, Serbia, 2020)
TEMPO oxidation of viscose fabric was used as a pretreatment 10 introduce carboxyl and aldehyde groups for irreversible binding of chilosan and to improve antibacterial activity and washing durability of viscose fabrics ...
EVALUATION OF SOLVENT AND SUBSTITUENT EFFECTS ON ABSORPTION SPECTRA OF NEW SYNTHETIC COLORANTS WITH PYRIDONE CORE / EVALUACIJA UTICAJA RASTVARAČA I EFEKATA SUPSTITUENATA NA POLOŽAJ APSORPCIONIH MAKSIMUMA NOVIH SINTETSKIH BOJA SA PIRIDONOM KAO CENTRLNIM PRSTENOM
(Beograd : Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS), Društvo za procesnu tehniku, 2020)
Azo dyes represent a structurally diverse class of organic dyes with one or more azo groups (–
N=N–) as a bridge between organic residues of which at least one is an aromatic moiety. Many
methods are developed for synthesis ...