نتایج جستجو برای: 20 and 40 tonha
تعداد نتایج: 16939414 فیلتر نتایج به سال:
Organic semiconductor/ferromagnetic bilayer thin films can exhibit novel properties due to the formation of spinterface at interface. Buckminsterfullerene (C60) has been shown ferromagnetism interface when it is placed next a ferromagnet (FM) such as Fe or Co. Formation occurs orbital hybridization and spin-polarized charge transfer In this work, we have demonstrated that one enhance magnetic a...
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Introduction & Objectives: In recent studies, the negative effects of smoking on different parts of body have been cleared. Nevertheless other negative effects of smoking are being investigated. One of those effects is central and peripheral nervous system problem. The aim of this investigation was comparison of Hoffmann (H) reflex latency of tibial nerve in male smokers and non smokers between...
in order to investigate the effects of input intensity on species diversity, composition and density of weeds in corn (zea mays l.), an experiment was conducted based on a randomized complete block design with three replications at the agricultural research station, ferdowsi university of mashhad, iran during the year 2009. treatments included low input, medium input and high input systems. low...
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