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Приказ резултата 41-50 од 1161
The influence of mechanical activation of fly ash on the toxic metals immobilization by fly ash-based geopolymers
(Trans Tech Publications Ltd, 2018)
This paper investigates the influence of mechanical activation of fly ash on the toxic metals immobilization by fly ash-based geopolymers. Fly ash was firstly mechanically and then alkali-activated. Mechanical activation ...
Changes in sclerenchyma cell walls related to stem twining in Dioscorea balcanica
(Institute for Nature Conservation of Serbia (Beograd)Faculty of Sciences and Mathematics (Niš). Depattment of Biology and Ecology, 2019)
Dioscorea balcanica Košanin, family Dioscoreaceae, is an endemic,
endangered liana species and a Tertiary relict of Balkan Peninsula. Gelatinous fibers,
specialized sclerenchyma cells and well-known components of tension ...
Design and Fabrication of Ferrite Inductor Using 3D Printed Spiral Coil and Ferrite Disc
(Institute of Electrical and Electronics Engineers Inc., 2019)
In this paper, we present spiral inductor fabricated by 3D additive manufacturing (AM) with added ferrite disc in the middle of the inductor (center), first approach, and with added ferrite disc beneath the inductor, second ...
Uticaj mikrobioloških đubriva na prinos različitih genotipova salate / Effect of microbiological fertilizers on yield of different lettuce genotypes
(Београд : Мегатренд универзитет Београд, Факултет за биофарминг Бачка Топола, 2018)
Салата (Lactuca sativa L.) је једногодишња биљка из фамилије Asteraceae која припада групи лиснатог поврћа. Циљ истраживања био је да се утврди утицај микробиолошких ђубрива на принос различитих генотипова салате. Изведени ...
Primeri težnji za verodostojnim sagledavanjem ličnosti iz istorije nauke, obrazovanja i kulture / Examples of pursuits for reliable consideration of persons from the history of science, education and culture
(Centar za vizantijsko-slovenske studije Univerziteta u Nišu / Centre for Byzantine-Slavic Studies of the University of NišMeđunarodni centar za pravoslavne studije / International Center for Othodox StudiesCentar za crkvene studije / The Centre for Church Studies, 2019)
U radu su integrisana prošla i buduća istraživanja u vezi sa ličnostima koje su se nakon obrazovanja stečenog u evropskim univerzitetskim i naučnim centrima posvetile unapređenju nauke, obrazovanja i kulture u Srbiji. Trag ...
Tuning of BiFeO3 multiferroic properties by light doping with Nb
(Innovinc International, 2019)
BiFeO3, as one of few multiferroic perovskites, is distinguished by some drawbacks such as high leakage current,
low remnant magnetic polarization, high electric coercive field, and difficulties of pure phase synthesis ...
Cytostatics as emerging pollutants – is there a threat for aquatic invertebrates?
(University of Agriculture in Krakow, 2018)
Seeking for a better quality of life, consumption of pharmaceuticals is constantly increasing. Pharmaceuticals are designed to be more potent, degradation resistant, to affect protein targets at relatively low doses. Many ...
Comet assay – a sensitive method for detection DNA damage and primary monitoring of ecosystem pollution pressure
(Institute of Marine Biology, University of Montenegro, 2019)
Untreated municipal wastewaters are one of the major negative contributors on freshwater quality, and consequently on ecosystem balance. Some compounds such as pharmaceuticals, cosmetic products, etc. could be genotoxic ...
Nanocrystalline SnO2-Zn2SnO4 composite thick films applied as humidity sensors
(Belgrade : Institute for Multidisciplinary Research, 2019)
Starting ZnO and SnO2 nanopowders (<100 nm) were mixed in a suitable ratio and calcined at 1050 °C for 2 hours to obtain nanocrystalline SnO2-Zn2SnO4 composite powder. Structural characterization performed by X-ray diffraction ...
Effects of selective removal of the black bullhead (Ameiurus melas) on other non-native fish populations in the Ponjavica Nature Park (Serbia)
(General Directorate of Fisheries and Aquaculture, Ministry of Agriculture and Forestry, Türkiye (GDFA); Mediterranean Fisheries Research, Production and Training Institute, Ministry of Agriculture and Forestry, Türkiye (MFRPTI); Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences (IBER-BAS); East and South European Network for Invasive Alien Species (ESENIAS); Danube Region Invasive Alien Species Network (DIAS), 2022)
North American black bullhead (Ameiurus melas) is an ictalurid species that has become
widespread outside of its native range, causing undesirable ecological impacts. Numerous
studies have suggested that its physical ...