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Приказ резултата 11-20 од 254
Helicobacter Pylori Eradication Therapy is Not Associated with the Onset of Inflammatory Bowel Diseases. A Case-Control Study
(Medical Univ Press, Cluj-Napoca, 2018)
Background & Aims: A negative association between H. pylori and inflammatory bowel disease (IBD) has been previously reported. There were also case reports suggesting a new onset of IBD 6-12 months after H. pylori eradication ...
Effect of alumina based particles on mechanical properties and resistance to acryloid composites cavitation / Uticaj čestica na bazi aluminijum oksida na mehanička svojstva i otpornost na kavitaciju akriloidnih kompozita
(Savez inženjera i tehničara Srbije, Beograd, 2018)
In the processes of preservation and restoration of sculptures and archaeological objects, copolymer materials of acrylate type are used because they have proved useful in conservation practice. The main disadvantage of ...
High temperature transesterification of soybean oil with methanol using manganese carbonate as catalyst
(Savez hemijskih inženjera, Beograd, 2018)
The manganese carbonate catalyst, prepared by precipitation method, was used in transesterification of soybean oil under subcritical condition of methanol. Catalyst samples were characterized by X-ray diffraction (XRD), ...
In situ synthesis of Cu/Cu2O nanoparticles on the TEMPO oxidized cotton fabrics
(Springer, Dordrecht, 2018)
In situ synthesis of Cu/Cu2O nanoparticles on the cotton fabric discussed in this study relies on adsorption of Cu2+-ions by carboxylate groups generated through the TEMPO-mediated oxidation of cellulose and their subsequent ...
Cleaner and energy efficient production: a case study
(Gheorghe Asachi Technical University of Iasi, Romania, 2018)
A project called 'Cleaner Production' is conducted in the organization of the Cleaner Production Centre of Serbia at the Faculty of Technology and Metallurgy, University of Belgrade and the United Nations Industrial ...
Synthesis and characterization glycidyl azide polymer of an attractive binder for energetic materials / Sinteza i karakterizacija glicidil azid polimera atraktivnog veziva za energetske materijale
(Military Technical Institute, Belgrade, 2018)
The glycidyl azide polymer (GAP), known as an energetic, thermally stable, low sensitive, hydroxyl-terminated prepolymer, was synthesized using different diol and triol initiator units. GAP was prepared by azidation of ...
Review on environmental models in the food chain - Current status and future perspectives
(Elsevier Sci Ltd, Oxford, 2018)
Diversity of food systems and their interaction with the environment has become a research topic for many years. Scientists use various models to explain environmental issues of food systems. This paper gives an overview ...
Biodegradation behavior of textiles impregnated with Ag and TiO2 nanoparticles in soil
(Methods in Pharmacology and Toxicology, 2018)
Increasing global consumption of textile goods poses serious environmental problems that are present throughout the products life-cycles. With a trend of Fast Fashion, clothes became consuming goods that are discarded in ...
Sintering, crystallization and foaming of La2O3 center dot SrO center dot 5B(2)O(3) glass powders - effect of the holding temperature and the heating rate
(Elsevier Science Bv, Amsterdam, 2018)
The peculiarities of sinter-crystallization of La2O3 center dot SrO center dot 5B(2)O(3) fine glass powder (below 1 mu m) are investigated and discussed. The sintering was studied by contactless optical dilatometry and ...
Fluido-mehaničke karakteristike istostrujnog fontanskog sloja
(Udruženje za tehnologiju vode i sanitarno inžinjerstvo, Beograd, 2018)
U ovom radu je analiziran rad istostrujnog fontanskog sloja sa centralnom cevi u sistemu čvrste čestice-voda. Eksperimenti su realizovani na polukoloni prečnika 196 mm, ukupne visine 860 mm, sa koničnim dnom ugla 110o . ...