نتایج جستجو برای: properties of cobalt

تعداد نتایج: 21195310  

2014
Sateesh Prathapani M. Vinitha Tanjore V. Jayaraman T. V. Jayaraman

Effect of Er doping on the structural and magnetic properties of cobalt-ferrite" (2014).

Journal: :Journal of Occupational Medicine and Toxicology (London, England) 2006
Giuseppe Lippi Massimo Franchini Gian Cesare Guidi

BACKGROUND Blood doping is commonplace in competitive athletes who seek to enhance their aerobic performances through illicit techniques. PRESENTATION OF THE HYPOTHESIS Cobalt, a naturally-occurring element with properties similar to those of iron and nickel, induces a marked and stable polycythemic response through a more efficient transcription of the erythropoietin gene. TESTING THE HYPO...

Journal: :iranian journal of veterinary science and technology 0
seyed morteza ghoreishi hossein najafzadeh babak mohammadian eisa rahimi mohammad reza afzalzadeh mohammad kazemi varnamkhasti

cobalt is an essential co-factor in red blood cell production and function and its deficiency may produce clinical signs in sheep. thus, present study was designed to evaluate the effect of cobalt nano-particles on serum biochemical factors and histopathological changes in liver and kidnies of lambs. study was carried out in 3 groups of lambs (4 lambs per group). one group of lambs was kept as ...

Journal: :CoRR 2018
Ethan MacBrough

We present Cobalt, a novel atomic broadcast algorithm that works in networks with non-uniform trust and no global agreement on participants, and is probabilistically guaranteed to make forward progress even in the presence of maximal faults and arbitrary asynchrony. The exact properties that Cobalt satisfies makes it particularly applicable to designing an efficient decentralized"voting network...

Journal: :international journal of bio-inorganic hybrid nanomaterials 0

cobalt ferrite nano-powder have been obtained through a hydrothermal method with 2:1 molar ratio of fe:co without using any surfactant. x-ray diffraction (xrd) and scanning electron microscopy (sem) were used to consider the structural and morphological properties of cofe2o4 nano-particles. also, edax spectroscopy applied to evaluate the chemical composition. results demonstrated that 15 hr hyd...

Journal: :international journal of nano dimension 0
s. hedayati chemistry department, islamic azad university-ardabil branch, ardabil, iran. a. hassanzadeh chemistry department, urmia university, urmia, iran. b. shaabani chemistry department, tabriz ,university, tabriz, iran. m. alem chemistry department, islamic azad university-ardabil branch, ardabil, iran. e. hobbolahi chemistry department, islamic azad university-ardabil branch, ardabil, iran.

one of the best and the most active ways for surveying thermal behaviour of materials is using differential scanning calorimetry. in this paper, the authors have studied thermal behaviour for schiff base ligand and their synthesized cobalt, nickel complexes. in this method, the sample is opposed to a controlled temperature change and its physical properties. here we studied melting point and tg...

M Naeimi, M. M. Hadavi, N Parvin, R Derakhshandeh Haghighi, R Parastar Namin,

In this research, infiltration behavior of W-Ag composite compacts with Nickel and Cobalt as additives has been investigated. Nickel and Cobalt were added to Tungsten powder by two distinct methods: mixing elementally and reduction of salt solution. The coated Tungsten powders were compacted under controlled pressures to make porous skeleton with 32-37 vol. % porosity. Infiltration process was ...

Journal: :journal of physical and theoretical chemistry 0
mehdi nabati chemistry department, faculty of science, azarbaijan shahid madani university, tabriz, iran

in present study, the density functional theory (dft-b3lyp) method with svp basis set was used for optimizing and studying the electronic structural properties of cis and trans isomers of bis-(5-nitro-2h-tetrazolato-n2) tetraammine cobalt (iii) perchlorate (bncp) as powerful explosives at 298.15 k temperature and 1 atmosphere pressure. and also, natural bond orbital (nbo) population analysis an...

Journal: :Journal of the Metal Finishing Society of Japan 1967

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2013
ahmad tavasoli saba karimi, zahra zolfaghari somayeh taghavi hamideh amirfirouzkouhi

an extensive study of higher alcohol synthesis (has) from synthesis gas using cobalt (co) promoted alkalized mos2 catalysts supported on carbon nanotubes (cnts) is reported. up to  5wt.% of co is added to the 15wt.% mo-wt.%k/ cnts by incipient wetness impregnation method. most of the metal particles were homogeneously distributed inside the tubes and the rest on the outer surface of the cnts. t...

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