نتایج جستجو برای: magnetic iron oxid
تعداد نتایج: 470485 فیلتر نتایج به سال:
Iron overload used to be considered rare in hemodialysis patients but its clinical frequency is now increasingly realized. The liver is the main site of iron storage and the liver iron concentration (LIC) is closely correlated with total iron stores in patients with secondary hemosideroses and genetic hemochromatosis. Magnetic resonance imaging is now the gold standard method for LIC estimation...
ÄlĂĄnek podĂĄvĂĄ pĹehled objevu a vyuĹžitĂ chloroformu jako inhalaÄnĂho anestetika lĂĄtek, kterĂŠ mu pĹedchĂĄzely nebo ho nĂĄsledovaly, takĂŠ osob, se do tĂŠto historie vĂ˝znamnÄ zapsaly. PrvĂĄ ÄĂĄst popisuje tĹi nejstarĹĄĂ inhalaÄnĂ anestetika: ĂŠter, oxid dusnĂ˝ chloroform.
The cellular basis of the magnetic sense remains an unsolved scientific mystery. One theory that aims to explain how animals detect the magnetic field is the magnetite hypothesis. It argues that intracellular crystals of the iron oxide magnetite (Fe3O4) are coupled to mechanosensitive channels that elicit neuronal activity in specialized sensory cells. Attempts to find these primary sensors hav...
Elucidating the nature of the magnetism of a high-temperature superconductor is crucial for establishing its pairing mechanism. The parent compounds of the cuprate and iron-pnictide superconductors exhibit Néel and stripe magnetic order, respectively. However, FeSe, the structurally simplest iron-based superconductor, shows nematic order (Ts=90 K), but not magnetic order in the parent phase, an...
nowdays, iron nanoparticles due to their unique characteristics are used in all of sciences and technology. these nano particles due to their electrical, magnetic, optical and catalytic properties and having high area and activity that is promped by their small size and most importantly many scientists from the entire world are interested in their ...
The main goal of this work is to study the structural and magnetic properties of iron nanowires and iron nanoparticles, which have been fabricated in almost the same processes. The only difference in the synthesis is an application of an external magnetic field in order to form the iron nanowires. Both nanomaterials have been examined by means of transmission electron microscopy, energy dispers...
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