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Приказ резултата 11-20 од 111
Qualitative and quantitative zooplankton composition in three rearing ponds of the "sv. Nikola" fish farm in the year 2000 / Kvalitativni i kvantitativni sastav zooplanktona u odgajivalištima ribnjaka "Sveti Nikola" tokom sezone gajenja u 2000. godini
(Unija bioloških naučnih društava Jugoslavije, Beograd, 2000)
During the fish rearing season in the year 2000, zooplankton investigations were carried out on "Sv. Nikola" the fish farm at Neuzina. Investigations were carried out on three rearing ponds with a semiintensive system ...
Sesquiterpene lactones and monoterpene glucosides from plant species Picris echoides / Seskviterpenski laktoni i monoterpenski glukozidi biljne vrste Picris echoides L.
(Srpsko hemijsko društvo, Beograd, 2000)
Investigation of the constituents of the aerial parts of domestic plant species Picris echoides afforded the sesquiterpene lactones, i.e., guaianolides jacquilenin (1), 11-epi-jacquilenin (2), achillin (3) and eudesmanolide ...
The application of atomic absorption spectrophotometry (AAS) for determination of the content of heavy metals in food products the in lacquered tinplate tins are filled with / Primena metode atomske apsorpcione spektrofotometrije (AAS) za određivanje sadržaja teških metala u prehrambenim proizvodima kojima su napunjene konzerve od lakiranog belog lima
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2000)
Due to possibility of contamination of food products caused by a rapid pollution of environment, as a consequence of incidents and accidents, it is necessary to exert a regular and systematic control of the content of heavy ...
Determination of limiting separation effects in membrane based air separation for perfectly mixed and cross flow patterns / Određivanje graničnih separacionih efekata pri membranskoj separaciji vazduha primenom modela idealnog mešanja i modela unakrsnog toka
(Univerzitet u Novom Sadu - Tehnološki fakultet, Novi Sad, 2000)
The aim of this work is to investigate the single-stage separation of atmospheric air through silicone rubber membrane assuming cross-flow and ideal-mixing pattern. The novel graphical procedure for obtaining the permeate ...
Air pollution as result of photooxidants (ozone) originated in the troposphere / Zagađivanje vazduha kao rezultat nastajanja fotohemijskih oksidanata (ozona) u troposferi
(Zavod za zaštitu prirode, Beograd, 2000)
Ozone (O3) and peroxideacetyl-nitrate are the significant photooxidants. Tropospheric ozone, together with mixture of gases of nitrogen oxide NOX (N2O, NO, NO2), carbonhydrid (CH), SO2 and formaldehyde which are released ...
Selection and preparation of soil for vine growing in highlands / Izbor i priprema zemljišta u brdskom području za gajenje vinove loze
(Unija bioloških naučnih društava Jugoslavije, Beograd, 2000)
In the present article, selection and preparation of soils for vine growing in highlands of Serbia have been studied, with a special stress on the selection and preparation of sloping grounds. It has been estimated that ...
Mite pests in floriculture practice in grenhouses II / Štetne grinje u proizvodnji cvetnih kultura i zatvorenom prostoru II - pljosnate grinje (Tenuipalpidae)
(Univerzitet u Novom Sadu - Poljoprivredni fakultet - Departman za zaštitu bilja i životne sredine "dr Pavla Vukasovića", Novi Sad, 2000)
In this article general morphological and bioecological characteristics of false spider mites (fam. Tenuipalpidae) are presented. Hosts and distribution, main diagnostic features, life span, symptoms, damage and control ...
Biological control of weeds: Strategies, biocontrol agents and regulations / Biološka borba protiv korova, I - strategije, agensi i regulativa
(Herbološko društvo Srbije, 2000)
A strong tendency to control weeds by cultural and biological methods is presently observed in the world. One of the main plant protection problems facing agriculture today concerns the implementation of different control ...
Physiological status of 'Radler' type products as affected by environmental contamination following NATO air strikes on the regions of Serbia / Uticaj ekološkog zagađenja izazvanog delovanjem NATO alijanse na prostorima Srbije na fiziološki status proizvoda tipa 'Radler'
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2000)
Beer-based drinks, 'Radler' type products in particular, arouse interest for a number of reasons. These newly produced drinks were obtained by mixing beer and soft drinks and are intended for a larger number of target ...
Content of zinc and lead in a calcareous chernozem soil after long-term fertilization / Sadržaj cinka i olova u karbonatnom černozemu posle višegodišnjeg đubrenja
(Unija bioloških naučnih društava Jugoslavije, Beograd, 2000)
The purpose of this investigation was to determine the effect of long-term application of mineral and organic fertilizers (farmyard manure and cornstalks) on the content of zinc and lead in a calcareous chernozem soil. For ...