Under normal conditions, electrons are accelerated by electric fields and decelerated by collision processes. After some time, a stable equilibrium between these two processes is achieved and electrons drift with constant speed against the field direction. Such a scheme is called the ohmic regime. At higher speeds or electric fields, the situation may be completely different. Collisions may not be able to compensate for electron acceleration and electrons attain the so called runaway mode. Runaway electrons are detected in the Earth’s magnetosphere during storms, in the solar plasma, and also in laboratory plasmas and in many plasma technologies., Petr Kulhánek., and Obsahuje bibliografii
Královská kanonie premonstrátů na Strahově - Strahovská knihovna Praha CZ AO XII 44, Národní knihovna ČR Praha CZ 50 F 7, Knihovna Národního muzea Praha CZ 43 F 18, Knihovna Akademie věd ČR Praha CZ TH 517, Vlastivědné muzeum v České Lípě Česká Lípa CZ, LITHOMISSLII, Typis JOANNIS ARNOLTI. Anno 1664., and BCBT40863
My aim is to assess an argument against final causation being an irreducible metaphysical category. The argument in question is based upon the supposition that for anything to count as a cause, it must exist at the very moment of executing its causal action, which requirement can supposedly never be met by anything rightly pretending to be called a final cause. I argue that this argument is far from conclusive as there seem to be ways of blocking it - namely through adopting either a version of the eternalist ontology of temporal dimensions, or else a version of the possibilist ontology, each combined with either a version of the "Humean" approach to analysis of causal relations, or else with a version of the realist approach to causation., Jan Palkoska., and Obsahuje poznámky a bibliografii
Učená společnost České republiky ČR sdružující význačné vědce všech vědních oborů zasedala ve dnech 23. až 24. května 2016 v pražském Karolinu a sídle Akademie věd na Národní třídě. První den veřejné části jednání, jehož se zúčastnily význačné osobnosti badatelské i politické sféry, patřil tradičnímu ceremoniálu - předání medailí, cen a čestných uznání. Medaile Učené společnosti za zásluhy o rozvoj vědy převzali prof. Ivan Lefkovits a prof. František Vyskočil., Two eminent professorw were awarded the Medal of the Learned Society of the Czech Republic at the General Assembly of the Learned Society held on May 23-24, 2016. World-famous neurologist František Vyskočil and world-renowned immunologist Ivan Lefkovits were honored for their meritorious contributions to the advancement of sciences. Junior Scientist Awards were bestowed on Dr. Martin Ferus and Dr. Michal Malinský, awards were also granted to teachers and high school students., and Luděk Svoboda.