Results 41 to 50 of about 486 (76)
Mehanizam kronotropnog djelovanja kofeina i teofilina u zamorčadi
Arhiv za higijenu rada i toksikologiju, 1980 The chronotropic activity of caffeine and theophylline on the isolated right atrium of the guinea pig was examinated. Theophylline caused a significant and caffeine only a slight increase in the atrial rate. Reserpine and alpha methyl DOPA diminished the chronotropic activity of the Investigated methyl xanthines.
Atanacković, Dimitrije +2 more
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, 2019 Purini i njegovi derivati su heterociklički aromatski spojevi sastavljeni od pirimidinskog prstena spojenog na imidazolni prsten, te predstavljaju najznačajniju skupinu spojeva s dva kondenzirana heterociklička prstena.
Peranović, Katarina
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Učinki kofeina na moč in vzdržljivost
Caffeine is a powerful stimulant that affects the central nervous system and metabolic processes, making it one of the most researched substances for improving physical performance. With its stimulating effect, it can impact strength and endurance parameters, which leads to better sports achievements.
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Uklanjanje benzofenona i kofeina procesima prečišćavanja voda [PDF]
, 2019 Benzofenoni i kofein su sveprisutni, kako u otpadnim, tako i u površinskim vodama, u koncentracijama od nekoliko ng/l do mg/l. Koriste se u proizvodnji kozmetičkih preparata, kao pojačivači mirisa i ukusa, fiksatori u parfemima, aditivi u plastici, ...
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Pozitivni i negativni učinci kofeina na sportsku izvedbu
, 2020 Athletes, besides hard training, often use food supplements to achieve the greatest results. Caffeine is the World Anti-doping Agency's approved supplement, commonly used among athletes because of its stimulating effect. Caffeine can be taken in various forms; as coffee, tea, energy drinks, caffeinated gums, gels with caffeine, and in anhydrous form ...
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Wpływ kofeiny na produktywność studentów i młodych pracowników
W czasach stale rosnących wymagań w środowisku akademickim i zawodowym kofeina, dzięki swoim właściwościom stymulującym, stała się najczęściej spożywaną substancją psychoaktywną na świecie.
Chojnowski, Hubert +2 more
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Kava i alternativni izvori kofeina kao ergogeno sredstvo
Kofein je široko upotrebljavana psihoaktivna tvar u svakodnevnom životu ljudi, najčešće konzumiran putem kave ili čaja. Osim toga pribraja mu se i sposobnost poboljšanja sportske izvedbe pa je zbog toga jedan od najefektivnijih suplemenata u sportu.
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Kofeina jej zalety i działanie niepożądane
Health Problems of Civilization, 2013 openaire +1 more source