The study of epidemiological systems has generated deep interest in exploring the dynamical complexity common infectious diseases driven by seasonally varying contact rates. Mathematical modeling and field observations have shown that, under seasonal variation, incidence rates some endemic fluctuate dramatically dynamics is often characterized chaotic oscillations absence specific vaccination p...

The article analyzes the specifics of Ukrainian Baroque era, which stimulated formation nation and national idea, acted as a unity "physical sword" "spiritual sword". historical mission civilization at that time, was closely connected with Cossacks, who embodied spirit freedom, free individuality, protection homeland from external internal enemies, is revealed. It believed Zaporozhian Sich, spi...

2 " The decisive movement in the conjuring trick has been made, and it was the very one we thought quite innocent "-Philosophical Investigations, § 308

ideoloty and leadership of revolution are two of the most important factors of occurance of revolutions. in this research, besides the determination and introduction of the base, content and amount of spreading of islamic revolution ideology and also specialities, functions and strategies of the leadership of imam khomeini in islamic revolution, we have pointed out the decisive and essential im...

Congenital bronchopulmonary malformations are usually asymptomatic. Precise multimodality imaging plays an essential role in the identification of rare cardiothoracic entities, offering excellent imaging quality and the decisive diagnosis.