Претраживање
Приказ резултата 31-40 од 88
The acceptable strategies for new product development in Serbian small-scale manufacturing enterprises
(Beograd : Institut za istraživanja i projektovanja u privredi, 2016)
The research results relating to the new product development are represented in this paper. The importance of market pull strategy is described too. Market pull strategy is reflected in the enterprise cooperation with ...
Properties of adsorbent obtained by conventional and under microwave irradiation / Svojstva adsorbensa dobijenog aktivacijom bentonita na konvencionalan način i u mikrotalasnom polju
(Savez inženjera i tehničara Srbije, 2012)
In this paper the effect of acid activation by conventional and under microwave irradiation on the textural and structural properties of bentonite was studied. The adsorbents were characterized by powder X-ray diffraction ...
The analysis of forming PVB-SiO2 nanocomposite fibers by the electrospinning process / Analiza formiranja PVB-SiO2 nanokompozitnih vlakana pomoću elektrospining procesa
(Vojnotehnički institut, Beograd, 2011)
The poly (vinyl butyral)-silica (PVB-SiO2) nanofibers were obtained by the electrospinning process. The experiments were carried out with PVB solution in concentration of 10 wt.% where ethanol was used as the solvent. The ...
Micromechanical properties of composite systems consisting of electrodeposited nickel coatings on different substrates / Mikromehanička svojstva kompozitnih sistema formiranih elektrohemijskim taloženjem filmova nikla i bakra na različitim podlogama
(Savez inženjera i tehničara Srbije, 2012)
Fine-grained nickel and copper thin films were electrodeposited (ED) from self-made sulphamate and sulphate electrolytes, respectively, on different substrates. The substrates were single crystal silicon with two different ...
Gap analysis and risk occurrence on the example of pressure transmitter`s production processes
(Belgrade : Institute for research and design in industry, 2019)
Gap analysis represents a tool for raising the level of performances of products, processes and enterprise organization which is rarely used in risk management. This paper proposes the joint application of Gap and Pareto ...
Antitumour effect of a mixture of n-propyl polysulfides In vitro / Antitumorski efekti smeše n-propil polisulfida in vitro
(Serbian Journal of Experimental and Clinical Research, 2019)
Copper serves as a limiting factor for multiple steps of tumour progression, including angiogenesis, growth and metastasis. High levels of copper have been found in a wide spectrum of human cancers. Antitumour activities ...
Antioxidant activities of herbs, fruit and medicinal mushroom Ganoderma lucidum extracts produced by microfiltration process / Mikrofiltracija i antioksidativni kapacitet kompozicije ekstrakta lekovitih biljaka, voća i medicinske gljive Ganoderma lucidum
(Poljoprivredni fakultet, Beograd, 2009)
This paper presents kinds of extraction and cross-flow filtration of composition of 46 healthful and aromatic herbs, 8 fruits and fungi Ganoderma lucidum. Those extracts are part of Bitter 55, which have significant ...
Modification and use of small dimensions pressure transmitters / Modifikacija i upotreba malogabaritnog transmitera pritiska
(Savez inženjera i tehničara Srbije, 2013)
In this paper was shown modification of small dimensions pressure transmitter. Modification of the transmitter is a model that provides to improve the manufacturing process. Modification of the IHTM transmitters proved to ...
Determination of ionization constants (PKA) of β-hydroxy-β-arylalkanoic acids using high-pressure liquid chromatography
(University of Kragujevac, Faculty of Science, 2018)
pKa values of five β-hydroxy-β-arylalkanoic acids and ibuprofen were determined using the RP-HPLC method. Stationary phase was octadecyl modified (C-18) silica gel, and mobile phase was a mixture of methanol and one of ...
Elektrohemijsko određivanje antimona na elektrodama sa poli(vinil alkohol)/glina kompozitom / Electrochemical detection of antimony on electrodes based on poly(vinyl alcohol)/clay composites
(Beograd : Savez inženjera i tehničara Srbije, 2019)
Sintetisani su kompoziti gline i poli(vinil alkohola) (PVA) sa masenim odnosima PVA/glina 10% i 20%. Kompoziti su naneti na površinu disk elektrode od staklastog ugljenika pomoću Nafiona. Tako modifikovane elektrode su ...