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Приказ резултата 31-40 од 204
Procena ekološkog rizika usled prisustva organskih UV filtera u vodi i sedimentima / Environmental risk assessment due to the presence of organic UV filters in water and sediments
(Naučno-stručno društvo za zaštitu životne sredine Srbije, ECOLOGICA, 2021)
Glavni sastojci proizvoda za zaštitu kože od UV zračenja jesu UV filteri. U poslednjih nekoliko godina, organski UV filteri izazvali su značajnu zabrinutost zbog stalnog korišćenja, upornog unosa i potencijalne pretnje ...
Decreasing of water absorptiveness of paper by coating nanofibrillated cellulose films
(Engineers Society for Corrosion, 2021)
Nanofibrillated films based on TEMPO-oxidized cotton linters were applied to reduce the hydrophilic properties of paper. For this purpose, aqueous dispersions of nanofibrillated cellulose of different composition: 1 and ...
Processing of gelatine coated composite scaffolds based on magnesium and strontium doped hydroxyapatite and yttria-stabilised zicronium oxide
(Belgrade : Institute of Technical Sciences of SASA, 2021)
Autologous and allogenic grafts are often referred to as the gold standard for bone tissue
transplants, but possess drawbacks such as risk of immunological reaction and infection,
limited bone bank capacity and pain for ...
Razvoј hardvera i softvera za energetski efikasne računarom vođene peći za sinterovanje
(Univerzitet u Beogradu, Tehnički fakultet u Boru, 2021)
Primenjenom savremenih tehničkih rešenja i softverskih alata koji omogućavaju visoku tačnost i energetsku efikasnost, uz pristupačnu cenu razvijena je i puštena u rad visokotemperaturna peć za sinterovanje materijala. Peć ...
Development of innovative liposome-release systems for encapsulation of biologically active soybean peptides
(Belgrade : University of Belgrade, 2021)
Bioactive peptides constituents of protein hydrolysates show great instability, poor absorption and bitterness when incorporated into food formulations. In addition, in the gastrointestinal system, there has been noted a ...
Effect of liquid glass type on hygienic characteristics of coated electrodes for arc welding of tin bronze
(EDP Sciences, 2021)
The results of investigations of chemical composition and emission rates of the welding
fume, generated during welding using electrodes for copper alloys, are presented with the aim of
improvement of their sanitary and ...
Alkali Modified Waste Jute Fabrics as Efficient Adsorbents for Various Cations and Anthraquinone dye / Alkakno modifikovane tkanine od jute kao efikasni adsorbenti za različite katjone i antrahinonsku boju
(Beograd : Savez inženjera i tehničara Srbije, 2021)
In this paper, the effect of alkali modifications (using 1% NaOH for 30 min or 17.5% NaOH for 5 min) on the jute fabrics' adsorption efficiency for various cations (Cu2+, Zn2+, and Ni2+) and anthraquinone dye (C.I. Acid ...
HPLC ANALYSIS OF ASCORBIC ACID IN PRETREATED AND DRIED RED PEPPER (CAPSICUM ANNUM)
(University of Belgrade, 2021)
Red pepper (Capsicum annum) fruits contain high amount of ascorbic acid (vitamin C), which is of great importance for human health. The aim of this study was to found how various pretreatments and drying methods influence ...
Analiza estrogenih hormona iz uzoraka površinskih, podzemnih i otpadnih voda
(Akademija tehničkih strukovnih studija Beograd, 2021)
Prisustvo estrogenih hormona u vodenim ekosistemima posledica je ispuštanja
neprečišćenih otpadnih komunalnih voda, kao i nemogućnost potpunog uklanjanja estrogenih
hormona u postrojenjima za prečišćavanje otpadnih voda. ...
Kinetic and isotherm studies for the biosorption of nickel ions by jute fabrics
(Journal of the Serbian Chemical Society, 2021)
Raw jute fabric was chemically modified with 1 % NaOH for 30 min, 17.5 % NaOH for 5 min or with 0.7 % NaClO2 for 30 and 60 min to study the influence of changes in the chemical composition of the fabrics and quantity of ...