Претраживање
Приказ резултата 21-30 од 95
First report and distribution of invasive species Actinocyclus normanii f. subsalsa Hustedt in Serbia
(Budapest : Hungarian Natural History Museum / Magyar Természettudományi Múzeum, 2016)
Actinocyclus normanii f. subsalsa is considered native marine or brackish water species (Baltic Sea, Caspian Sea). The species has spread into common freshwaters, throughout the world, and was considered as invasive or ...
Expansion of invasive diatom species Didymosphenia geminata (Lyngb.) M.Schmidt and Diadesmis confervacea (Grun.) Hustedt in the waters of Serbia
(Croatian Botanical Society, 2015)
For the first time in Serbia, the presence of Didymosphenia geminata was recorded in lakes of the Šar Planina mountain (Urošević, 1994). Subsequently, it was observed in the rivers Danube, Tisa, Sava. Detailed range of D. ...
Određivanje brzine korozije austenitnih čelika Č4571 i Č4580 u rastvorima kalcijum hipohlorita / Determination of corrosion rate austentic steels S4571 and S4580 in a solution of calcium-hypochlorite
(Academy of Sciences and Arts of the Republic of Srpska, 2014)
U ovom radu dati su rezultati ispiotivanja korozione otpornosti čelika Č4571 i Č4580 u rastvorima kalcijum-hipohlorita. Korištene su elektrohemijske metode: numerička metoda linearne polarizacije i metoda polarizacionog ...
New or rarely recorded diatoms taxa from Serbia (Dojkinačka stream, SE Serbia)
(Niš, Serbia : Department of Biology and Ecology, Faculty of Science and Mathematics, University of Niš, 2013)
Diatoms (Bacillariophyta) inhabiting different types of substrate including stone surfaces, sand, mud, filamentous algae and submerged mosses in the Dojkinačka stream (SE Serbia) were studied by light microscopy. Among ...
Interesting Navicula Bory de Saint-Vincent species from Serbia
(Centre for ecological research, Hungarian academy of sciences centre of excellence, 2016)
The genus Navicula was originally described in 1822 by Bory de St. Vincent. The concept of Navicula has changed from extremely heterogeneous collective genus to a narrowly defined, apparently homogeneous genus. The group ...
The impact of trout farm effluent on diatoms richness in the Rasina river (Serbia)
(Macedonian Ecological Society, 2016)
The Rasina River is right tributary of the Zapadna Morava River, situated in central Serbia. The samples were collected in spring (April), summer (July) and autumn 2011, from 6 localities along the river at an altitudes ...
Diatoms on the green frogs skin (Pelophylax esculentus and P. ridibundus)
(Prague : Charles University in Prague, 2017)
It is known that diatoms may be present on the skin of various animals (whales, dolphins, manatees, turtles…) (Frankovich et al. 2015, Wetzel et al. 2012). In our study diatoms were collected from the skin of two green ...
Diversity and ecology of diatoms from peat bog at Pester plateau (Serbia)
(Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung (AWI), 2015)
The subjects of the study were various types of diatom communities including epiphytes, benthos and plankton of the peat bog at Pešter plateau. A specific diatom flora inhabits all types of communities, comprising in total ...
How do newly-described diatom species affect biomonitoring? – An example of Gomphonema paratergestinum vs. G. tergestinum
(Berlin : Botanic Garden and Botanical Museum, Berlin Freie Universität Berlin, 2018)
Over the past decade a great number of new diatom taxa was described, as well as re-definitions and delimitations of taxa from different species complexes have been performed. The reasons for the constant increase in the ...
Optimizacija karakteristične temperature kod kondenzatora s obzirom na tehnoekonomske aspekat / Optimization of characteristic temperature of the condenser considering techno-economic aspect
(VII Međunarodni naučni skup „Savremeni materijali“, Banja Luka, 2014)
U radu je za kondenzatore kao karakteristične grupe rekuperatora toplote, polazeći od funkcije ukupnih troškova kao funkcije cilja, određena optimalna vrednost izlazne temperature rashladnog fluida. Pri ovome izvršena je ...