Претраживање
Приказ резултата 11-20 од 78
KONCENTRACIJA HLOROFILA-A I TROFIČKI INDEKS UVAČKE AKUMULACIJE / CHLOROPHYLL-A CONCENTRATION AND TROPHIC STATE INDEX OF "UVAC RESERVOIR"
(Српско друштво за заштиту вода, Београд, 2021)
Tokom četiri sezone (sredina leta, kraj leta, rana jesen i sredina jeseni) obavljeno je merenje
koncentracije hlorofila-a duž vodenog stuba od 30 m (interval 2 m). Analizirano je variranje
vrednosti kao i dubinska ...
OCENA EKOLOŠKOG STATUSA PET MALIH AKUMULACIJA U CENTRALNOJ SRBIJI NA OSNOVU ZAJEDNICE RIBA / ASSESSMENT OF THE ECOLOGICAL STATUS OF FIVE SMALL RESERVOIRS IN CENTRAL SERBIA BASED ON THE FISH COMMUNITY
(Српско друштво за заштиту вода, Београд, 2021)
Cilj ovog istraživanja bio је da se uporedi status i kvalitet vode u akumulacijama Vlaški Do,
Kudreč I, Kudreč II, Topola i Markovačko jezero, na osnovu kvalitativnog i kvantitaivnog
sastava riblje zajednice. Ustanovljeno ...
Effect of Rubber Treatment on Compressive Strength and Modulus of Elasticity of Self-Compacting Rubberized Concrete
(World Academy of Science, Engineering and Technology, 2021)
This paper investigates the effects of different
treatment methods of rubber aggregates for self-compacting concrete
(SCC) on compressive strength and modulus of elasticity. SCC
mixtures with 10% replacement of fine ...
Chemical modification of hemicellulose isolated from corncobs to obtain hydrogel for enzyme immobilization
(Society of Physical Chemists of Serbia, 2021)
Hemicellulose rich in xylan was isolated from corncobs. Functional groups were introduced first by
carboxymethylation and then by coupling with tyramine via carbodiimide-mediated reaction.
Obtained hydrogel was tested ...
Antibacterial zinc orthotitanate
(Српско кристалографско друштво, Београд, Србија; Serbian Crystallographic Society, Belgrade, Serbia, 2021)
Kontaminacija bakterijama je poslednjih godina postala problem na globalnom nivou zbog
čega se javila potreba za novim antibakterijskim agensima. Stabilni titan-
-dioksid i cink-oksid pokazuju antibakterijsku aktivnost ...
Impact of carbohydrate-coated cerium oxide nanoparticles on semi-volatile compounds in two crops
(University of East Sarajevo, Faculty of Technology, Zvornik, 2021)
Plants accumulate and synthesize various compounds, which are involved in plant-environment interaction. Among them are semi-volatile organic compounds of which 1700 are currently known to be emitted by plants. These ...
Synthesis, structure and electrochemical performance of NiMn2O4
(Novi Sad : Faculty of Technology, 2021)
NiMn2O4, with a cubic spinel structure and numerous and various applications in modern technology, were synthesized with two synthetic routes: sol-gel combustion method with glycine as fuel and electrospinning method with ...
Characterization of colored maize seed fractions using fluorescence spectroscopy and multivariate analysis
(University of East Sarajevo, Faculty of Agriculture, Republic of Srpska, Bosnia, 2021)
Application of fluorescence spectroscopy combined with chemometrics algorithms provides rapid and non-destructive screening method in seed quality estimation, widely used in the agricultural industry and crop breeding. ...
Genotoxicity assessment of Danube River: in situ and in vitro methods.
(Aueninstitut Neuburg/Donau Schloss Grünau 86633 Neuburg/Donau Germany, 2021)
Water quality in the Danube River Basin is largely influenced by the inputs of pollutants - particularly
excessive nutrients, organic material, and hazardous substances, which affects the whole ecosystem
at various ...
Some Elements of Ecological Adaptability of Tree-of-Heaven (Ailanthus altissima/Mill./Swingle) to a Habitat of Turkey Oak and Oak of Virgil (Quercetum cerridis- virgilianae B. Jovanović & Vukićević 1977)
(University of Forestry, Sofia, Bulgaria, 2021)
Tree-of-Heaven (Ailanthus altissima /Mill./Swingle) is exotic, rapid-growing tree species
that intensively colonises stands of other tree species and urban areas in its surrounding due to its
high adaptability, early ...