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Приказ резултата 61-70 од 117
Preference of trichodinids (ciliata, peritrichia) occurring on fish-pond carp for particular organs and some morphological implications / Preferenca Trihodinida (Ciliata, Peritrichia) detektovanih na ribnjačkom šaranu prema pojedinim organima i neke morfološke implikacije
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2003)
The present study describes the preference of Trichodinids for skin or gills of fish-pond carp. Differences in localization of trichodinids were analysed by the Mann-Whitney U and c2 tests. For histological examination ...
A new Praon species (Hymenoptera : Braconidae : Aphidiinae) of the Uroleucon parasitoid complex from the Mediterranean area
(Priel Publ, Rehovot, 2003)
A new hymenopteran aphid parasitoid species (Praon uroleucon sp. n.) from Uroleucon sp. infesting Carduus acanthoides L. is described from Yugoslavia. It is diagnosed and illustrated with scanning electron microscope ...
DPR analysis of microstructural evolution of ZnO ceramics
(Trans Tech Publications Ltd, Durnten-Zurich, 2004)
It is well known that, due to their specific properties, ZnO - based materials are frequently used in electrotechnics and electronics. Since these properties are very Much dependent on the microstructural state of material ...
The synthesis and pharmacological evaluation of (±)-2, 3- seco-fentanyl analogues / Sinteza i farmakološko ispitivanje (±)-2,3-seco-analoga fentanila
(Srpsko hemijsko društvo, Beograd, 2004)
An efficient, five-step synthetic approach to various acyclic 1,3-diamines has been developed and applied to the preparation of a novel class of open-chained fentanyl analogues. The acyclic derivatives 5.1–5.5 (all new ...
Antioxidant activities of the constituents of Picris echoides / Sastav i antioksidativna aktivnost Picris echoides
(Srpsko hemijsko društvo, Beograd, 2002)
Some flavonoids with antioxidant properties from the aerial parts of the plant species Picris echoides (family Asteraceae) were identified. Upon chromatography, the ethyl acetate extract afforded flavonoids, such as flavone ...
The investigation of strong active sites of dealuminated Y-type zeolite by TPD of carbon monoxide
(Springer, Dordrecht, 2003)
The active sites of hydrogen-exchanged Y zeolite (HY) and dealuminated (HDY) zeolites are investigated by TPD of carbon monoxide. Only the high temperature TPD spectra of CO (T(M)approximate to620-690degreesC) were observed, ...
The effect of reversing current on the properties of copper and electrolytic copper powder. I. The morphology of powder particles
(Trans Tech Publications Ltd, Durnten-Zurich, 2004)
The selective dissolution of copper dendrites during electrodeposition by reversing current was discussed and the effects on the morphology of copper powder particles were elucidated.
The synthesis and preliminary pharmacological evaluation of racemic cis and trans 3-alkylfentanyl analogues / Sinteza i preliminarni farmakološki testovi recemskih cis i trans 3-alkilanaloga fentanila
(Srpsko hemijsko društvo, Beograd, 2004)
A general, five step method for the synthesis of 3-alkylfentanyl analogues (i.e., cis and trans 3-alkyl-4-anilidopiperidines 6.1–6.6) has been developed. The starting N-phenethyl- 4-piperidone 1 was first converted into ...
Effects of different maize hybrids on above ground biomass in intercrops with soybean
(Maydica, 2007)
An (Randomized Complete Block) experiment with a maize and soybean intercropping system was set up at the experimental school of the Faculty of Agriculture-Radmilovac, Belgrade, Serbia and Montenegro. The experiment were ...
Determination of johnsongrass [Sorghum halepense (L.) Pers.] level of sensibilty to nicosulfuron
(Maydica, 2007)
In 2002, a johnsongrass population survived the application of ALS inhibiting herbicides in the locality of Zemun Polje, Serbia and Montenegro. This locality is known to have been treated with ALS inhibitors for years which ...