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2012, ISBN 9548265109, 232
Book
PALAEOBULGARICA / СТАРОБЪЛГАРИСТИКА, ISSN 0204-4021, 2013, Issue 4, pp. 60 - 73
After an analysis of the extant sources (coming mainly from the period of the 8th–9th centuries), the author of the article maintains that still in the time of... 
Geography, Regional studies | Middle Ages | History | 6th to 12th Centuries
Journal Article
Animal Migration, ISSN 2084-8838, 12/2019, Volume 6, Issue 1, pp. 41 - 48
Immune response to pathogens such as avian malaria ( spp.) and related haemosporidian parasites ( spp. and spp.) can lead to increases in energy demands of... 
intensity | immune reaction | leukocytes | irruptive migrant | haemoproteus pastoris
Journal Article
Nuclear Inst. and Methods in Physics Research, A, ISSN 0168-9002, 02/2017, Volume 844, pp. 99 - 107
In many particle accelerators the beam parameters could be affected by the beam pipe wakefield impedance. It is vital to understand how the wakefield impedance... 
Wakefield impedance | NEG coating | Surface resistance | PVD | STAINLESS-STEEL | DESORPTION | INSTRUMENTS & INSTRUMENTATION | SPECTROSCOPY | NUCLEAR SCIENCE & TECHNOLOGY | VACUUM CHAMBERS | LIGHT | PHYSICS, PARTICLES & FIELDS | Particle accelerators | Coatings | Analysis | Electric properties
Journal Article
Епохи, ISSN 1310-2141, 2018, Volume XXVI, Issue 1, pp. 201 - 213
The text discuss the question of human attitudes facing the miseries of war on the basis of an excellent piece of Byzantine rhetoric art from the third decade... 
Political history | Military history | History of ideas | Middle Ages | History | Diplomatic history | 6th to 12th Centuries
Journal Article
Physics of Plasmas, ISSN 1070-664X, 09/2011, Volume 18, Issue 9, pp. 093103 - 093103-7
Starting from the Vlasov-Maxwell system, an exact relativistic hydrodynamic closure for a special type water bag distributions satisfying the Vlasov equation... 
MAGNETIC-FIELD | STIMULATED-EMISSION | PHYSICS, FLUIDS & PLASMAS | SUPERRADIANCE | FLUIDS | FREE ELECTRON LASERS | DISTRIBUTION | INSTABILITY | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | STABILITY | MAXWELL EQUATIONS | BOLTZMANN-VLASOV EQUATION | ELECTRON BEAMS | RELATIVISTIC RANGE | WATER
Journal Article
Епохи, ISSN 1310-2141, 2015, Volume XXIII, Issue 2, pp. 330 - 347
Mountains were always a convenient region, which could be profited from as both a safe refuge protecting from the enemy as well as an opportune starting point... 
Political history | Military history | Middle Ages | History | Economic history | Diplomatic history | 6th to 12th Centuries | 13th to 14th Centuries
Journal Article
Journal of the Optical Society of America B: Optical Physics, ISSN 0740-3224, 2006, Volume 23, Issue 3, pp. 543 - 552
It is shown that a pair of identical emitters (e.g., wire dipole antennas) in the focal points of a disk, made of left-handed metamaterial (a perfect lens),... 
DISTRIBUTIONS | INVERSE SOURCE | NEGATIVE REFRACTION | COMPONENTS | ELECTROMAGNETIC-FIELDS | OPTICS | ANTENNA
Journal Article
Physics of Plasmas, ISSN 1070-664X, 03/2011, Volume 18, Issue 3, pp. 032305 - 032305-7
The single-wave model equations are transformed to an exact hydrodynamic closure by using a class of solutions to the Vlasov equation corresponding to the... 
BEAM | PLASMA | ON-TAIL INSTABILITY | PHYSICS, FLUIDS & PLASMAS | DIFFERENTIAL EQUATIONS | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY | NONLINEAR PROBLEMS | PARTIAL DIFFERENTIAL EQUATIONS | BOLTZMANN-VLASOV EQUATION | EQUATIONS | PLASMA WAVES | RENORMALIZATION
Journal Article
Cor et Vasa, ISSN 0010-8650, 2015, Volume 57, Issue 4, pp. e251 - e256
Abstract Aim To assess the dynamics of ANS by means of heart rate variability (HRV) during and after acute exposure to normobaric hypoxia, representing a... 
Cardiovascular | Hypoxia | Autonomic nervous system | Heart rate variability | Intermittent hypoxic training | Altitude | CARDIAC & CARDIOVASCULAR SYSTEMS
Journal Article
Acta Zoologica Bulgarica, ISSN 0324-0770, 2017, Volume 69, Issue 2, pp. 215 - 228
While broadly considered "environmentally friendly", being a clean source of renewable energy, wind farms are not without potentially adverse effects on... 
Vulnerable species | Wind turbines | Displacement | Wintering birds | wintering birds | ZOOLOGY | vulnerable species | SWANS | BARRIERS | displacement | wind turbines | IMPACTS | BIRDS
Journal Article
Journal of Cardiopulmonary Rehabilitation and Prevention, ISSN 1932-7501, 01/2010, Volume 30, Issue 1, pp. 40 - 46
Journal Article
Journal of Transport Literature, ISSN 2238-1031, 04/2013, Volume 7, Issue 2, pp. 338 - 351
This paper includes a study conducted to analyse the current state of supply and demand for higher education in rail logistics. More specifically the study... 
TRANSPORTATION | TRANSPORTATION SCIENCE & TECHNOLOGY
Journal Article
Journal of Transport Literature, ISSN 2238-1031, 04/2013, Volume 7, Issue 2, pp. 338 - 351
This paper includes a study conducted to analyse the current state of supply and demand for higher education in rail logistics. More specifically the study... 
Journal Article
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