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INFLUENCE OF MODIFIED MONTMORILLONITES ON FORMALDEHYDE CONTENT IN UREA-FORMALDEHYDE/MONTMORILLONITE COMPOSITES
(University of Novi Sad, Faculty of Technology Novi Sad, 2022-10-20)
The effect of different montmorillonites (KSF and K10) and their modifications (Na-KSF, Na-K10) on content of formaldehyde-FA (free and liberated) modified urea-formaldehyde (UF) composites was investigated. KSF and K10 ...
Strukturiranje elastomernih materijala za primenu u poljoprivredi
(UNIVERZITET U KRAGUJEVCU, AGRONOMSKI FAKULTET U ČAČKU, 2019-03-15)
Poljoprivreda i poljoprivredna industrija zahtevaju elastomeme proizvode koji mogu izdržati dugotrajnu izloženost ekstremnim naponima i hemikalijama. Elastomeri dobijeni od etilen-propilen-dienskog kaučuka (EPDM) nalaze ...
Domestic material made by calcification of modified UF resins with incorporated Fe-particles-a sensitive platform for electroanalytical quantification of gallic acid.
(University "Union Nikola Tesla", Belgrad, Serbia, 2021-09-24)
In this work, we present domestic high performance electrode material
prepared by thermolysis of in situ synthesized urea-formaldehyde (UF)
resins modified with Fe(III) nitrate. For comparison, material produced ...
STRUKTURIRANJE EKOLOSKI PRIHVATLJIVIH ELASTOMERNIH KOMPOZITNIH MATERIJALA
(Univerzitet u Kragujevcu, Agronomski fakultet u Čačku, 2018-03-09)
Kod recikliranja otpadne gume neophodno je poznavati hemijski sastav
otpadnog proizvoda, ukoliko će se on koristiti u recepturama za nove hibridne
elastomerne materijale. Kompozitni elastomerni materijali dobijeni od ...
Radon anomalies as precursors of a recent earthquake: A case study of Kosovska Mitrovica environment
Spike-like peaks in the concentration of radon gas prior to a major earthquake are attributed to release different gases (CO2, CH4, H2S, SO2, H2 suitable for the transport of radon to the earth’s surface) due to pre-seismic ...
Annual effective dose due to ingestion and inhalation of radon in water samples from public fountains in municipality of Kuršumlija, Serbia
In the present study, the water samples were taken from public fountains in rural area
municipality of Kuršumlija, in southern part of Serbia. Sampling of water from public fountains began subsequently according to ...
Relationship between outdoor radon concentrations and meteorological parameters
In order to establish radon levels in outdoor atmosphere radon measurements were performed during the fifteen days by alpha spectrometric measuring method with detector Airthings Corentium Home. Measuring point was at 0.5 ...
High indoor radon concentration in residential houses. Ninth International Conference on radiation and applications in various fields of research, RAD9, Virtual Conference, Herceg Novi, Montenegro, July 14-18, 2021.
People are mainly exposed to radon in indoor environments. Exposure to radon and its decay products is the second leading cause of lung cancer, and there is a strong synergistic effect with smoking. The most significant ...
Indoor Radon monitoring as a useful predictor of earthquake occurrences in the Balkan region
This study deals with continuous radon monitoring conducted to estimate the relationship between indoor radon measurements and potential occurrences of earthquake in the Balkan region. Radon monitoring was performed with ...
Jačina ambijentalnog doznog eкvivalenta i кorelacija sa meteorološкim parametrima u gradu Valjevu i oкolini
Ради процене стања радиоактивности у животној средини, спроведена су
мерења јачине амбијенталног дозног еквивалента у ваздуху на територији града
Ваљева и околине. Истраживање је спроведено Гајгер-Милеровим бројачем ...