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Phase integral approach to wave propagation in continuously graded models of flat lenses
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
We propose a method to determine approximate phase-integral analytical solutions for electric and magnetic fields in flat lenses with the refractive index varying in the radial direction. In our model the gradient of ...
Synthesis of Orthogonally Protected (+/-)-3-Amino-4-anilidopiperidines and (+/-)-3-N-Carbomethoxyfentanyl
(Georg Thieme Verlag Kg, Stuttgart, 2017)
The synthesis of orthogonally protected cis- and trans-3-amino-4-anilidopiperidine derivatives has been accomplished in six steps, starting from readily accessible 4-piperidone derivatives. The last three steps, i.e., ...
Chemical Ecology of Cave-Dwelling Millipedes: Defensive Secretions of the Typhloiulini (Diplopoda, Julida, Julidae)
(Springer, Dordrecht, 2017)
Cave animals live under highly constant ecological conditions and in permanent darkness, and many evolutionary adaptations of cave-dwellers have been triggered by their specific environment. A similar "cave effect" leading ...
Migration of polycyclic aromatic hydrocarbons in vertical profile of alluvial sediments of the Sava River, Serbia
(Society of Environmental Toxicology and Chemistry Europe (SETAC Europe), 2017)
The plants for district heating in Belgrade (capital of Serbia) have been using petroleum products as fuel for decades. The heating plant in New Belgrade is one of the largest heating plants in Balcan. Due to its location ...
Oil Pollutants in Alluvial Sediments of the Sava River, Serbia
(Department of Chemical Engineering, Faculdade de Engenharia da Universidade do Porto (FEUP), 2017)
The aim of our research was to determine the presence of oil pollutants as well as their vertical migration in the alluvial area of Sava River.
Surface properties of magnetite in high temperature aqueous electrolyte solutions: A review
(Elsevier, 2017)
Deposits and scales formed on heat transfer surfaces in power plant water/steam circuits have a significant negative impact on plant reliability, availability and performance, causing tremendous economic consequences and ...
Porotic paradox: distribution of cortical bone pore sizes at nano- and micro-levels in healthy vs. fragile human bone
(Springer, Dordrecht, 2017)
Bone is a remarkable biological nanocomposite material showing peculiar hierarchical organization from smaller (nano, micro) to larger (macro) length scales. Increased material porosity is considered as the main feature ...
Brachybacterium sp CH-KOV3 isolated from an oil-polluted environment-a new producer of levan
(Elsevier, 2017)
Various microorganisms isolated from polluted environments, such as Pseudomonas sp. and Micrococcus sp. can synthesize exopolysaccharides (EPSs) which are natural, non-toxic and biodegradable polymers. EPSs play a key role ...
Ispitivanje biodegradacije lignina upotrebom sveobuhvatne dvodimenzionalne gasne hromatografije sa masenim spektrometrom.
(Beograd: Udruženje mikrobioologa Srbije, 2017)
Lignin depolymerization could be an important technique for the production of valuable aromatic compounds. The aim of this work was to investigate the degradation of kraft lignin by a mixed culture of fungi and to identify ...
Two Step Sintering of ZnTiO3 nanopowder
(International Institute for the Science of Sintering, Beograd, 2017)
Metastable nanopowder ZnTiO3 was pressed into cylindrical compacts at 200 MPa. Compacts were treated by conventional heating with isothermal holding at 931 degrees C for 10 minutes, 25 minutes and 40 minutes. ZnTiO3 compacts ...