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Приказ резултата 31-40 од 863
Influence of a trout farm on macrozoobenthos communities of the Trešnjica river, Serbia / Uticaj pastrmskog ribnjaka na zajednice makrozoobentosa reke Trešnjice, Srbija
(Srpsko biološko društvo, Beograd, i dr., 2009)
Trout farming poses an increasing threat to quality of the water of clean highland streams. Research of this problem has focused primarily on changes in physico-chemical composition of the water and structure of the river ...
Synthesis, characterization and biological activities of N-heteroaromatic hydrazones and their complexes with Pd(II), Pt(II) and Cd(II)
(Springer, Dordrecht, 2010)
Condensation derivatives of ethyl hydrazinoacetate with 2-formylpyridine and quinoline-2-carboxaldehyde were synthesized. Pd(II), Pt(II) and Cd(II) complexes with the 2-formylpyridine derivative and a Cd(II) complex with ...
Carbofuran in water: Subchronic toxicity to rats
(Elsevier Science Bv, Amsterdam, 2008)
Carbofuran toxicity on rats was studied during subchronic exposure. Female and male rats were administered carbofuran in drinking water in concentrations of 25, 100 and 400ppm for a period of 90 days. Clinical symptoms, ...
Artificial Neural Network Approach to Modelling of Metal Contents in Different Types of Chocolates
(Slovensko Kemijsko Drustvo, Ljubljana, 2015)
The relationships between the contents of various metals (Cu, Ni, Pb and Al) in different types of chocolates were studied using chemometric approach. Chemometric analysis was based on the application of artificial neural ...
Accumulation of heavy metals in Medicago sativa L. and Trifolium pratense L. at the contaminated fluvisol / Akumulacija teških metala u Medicago sativa L. i Trifolium pratense L. na kontaminiranom fluvisolu
(Savez hemijskih inženjera, Beograd, 2013)
Recently, heavy metals concentrations increased in some agricultural areas due to the consequences of anthropogenic impacts. The aim of this study was to determine the level of heavy metals (As, Cr, Ni and Pb) in Medicago ...
Cs-137 and K-40 in some traditional herbal teas collected in the mountain regions of Serbia
(Taylor & Francis Ltd, Abingdon, 2014)
Herbal teas are an important part of traditional medicine in Serbia. The objective of the present study was to determine the activity concentrations of K-40 and Cs-137 in herbal tea, using the gamma spectroscopy method. ...
Quantitative determination of poly(vinylpyrrolidone) by 'On-line' pyrolysis coupled with gas chromatography / Kvantitativno određivanje poli(vinilpirolidona) primenom 'On-line' pirolize kuplovane sa gasnom hromatografijom
(Savez hemijskih inženjera, Beograd, 2012)
'On-line' pyrolysis coupled with gas chromatography (GC) was performed for quantitative determination of poly(vinylpyrrolidone) (PVP) in wastewater sample. Gas chromatography-mass spectrometry (GC-MS) showed that the main ...
Expected genetic advance and stability of phytic acid and antioxidants content in bread and durum wheat
(Društvo genetičara Srbije, Beograd, 2016)
Fifteen genotypes of bread wheat (Triticum aestivum L.) and fifteen genotypes of durum wheat (Triticum durum Desf.) were evaluated in the multi-environment trial during 2010-11. and 2011-12 vegetation seasons to investigate ...
Production of sorbents based on immobilized zeolite in alginate/PVA beads for sorption of copper ions from water solutions
(Elsevier Science Bv, Amsterdam, 2012)
Economic efficiency of investments in the blueberry orchard establishment
(DAV College, 2013)
Investments in the new orchard establishment are characterized by a number of specific features resulting from The biological nature of cultivated fruit crops. The timeline of the investment and the orchard exploitation, ...