Results 21 to 30 of about 5,406,738 (330)

The vertical distribution of iron stable isotopes in the North Atlantic near Bermuda [PDF]

open access: yes, 2012
Seawater dissolved iron isotope ratios (δ^(56)Fe) have been measured in the North Atlantic near Bermuda. In a full-depth profile, seawater dissolved δ^(56)Fe is isotopically heavy compared to crustal values throughout the water column (δ^(56)Fe_(IRMM-014)
Adkins, Jess, John, Seth G.
core   +1 more source

Dante’s exile as an ideological construction (Paradiso XVII)

open access: yesRevista de Filología Románica, 2012
This essay inquires into Dante’s exile as it is displayed in Paradiso XVII, pointing out its nature as an ideological construction inside a christian feudal conception.
Juan Varela-Portas de Orduña
doaj   +1 more source

Pure iron grains are rare in the universe [PDF]

open access: yes, 2017
The abundant forms in which the major elements in the universe exist have been determined from numerous astronomical observations and meteoritic analyses.
Inatomi, Yuko   +4 more
core   +2 more sources

IFE EFE DAN GRAND STRATEGY INDSUTRI KULINER

open access: yesRevenue, 2020
Penelitian ini bertujuan untuk menutup beberapa kesenjangan penelitian, termasuk penggunaan strategi alternatif selain model Internal Eksternal (IE) dan kemudian menggunakan pelanggan sebagai responden penelitian dan menggunakan matriks strategi besar ...
Laras Ghati   +3 more
doaj   +1 more source

Diet of Mediterranean moray, Muraena helena (Actinopterygii: Anguilliformes: Muraenidae), from the north-eastern Tunisian coast (central Mediterranean) [PDF]

open access: yesActa Ichthyologica et Piscatoria, 2014
Background. The feeding behaviour of Mediterranean moray, Muraena helena Linnaeus, 1758, from the coast of Tunisia (central Mediterranean) is poorly know and this study is a first step in determining prey consumption by M.
B. Sallami   +3 more
doaj   +3 more sources

El valor de Crist. L'auto-comprensió de la comunitat política Francesc Eiximenis

open access: yesEnrahonar: Quaderns de Filosofia, 2009
Els conceptes de res publica i monarquia d’Eiximenis són de gran interès per conèixer lamatriu medieval del pensament polític. L’autor analitza de quina manera «la doctrina dadaper Jesucrist» defineix en clau pactista la relació entre cives i monarquia i
Paolo Evangelisti
doaj   +1 more source

Iron deficiency up-regulates iron absorption from ferrous sulphate but not ferric pyrophosphate and consequently food fortification with ferrous sulphate has relatively greater efficacy in iron-deficient individuals [PDF]

open access: yes, 2011
Fe absorption from water-soluble forms of Fe is inversely proportional to Fe status in humans. Whether this is true for poorly soluble Fe compounds is uncertain.
Biebinger, R.   +4 more
core   +3 more sources

El fenómeno de la expresión y sus implicaciones religiosas. Un estudio desde Edith Stein

open access: yesCauriensia, 2022
Objetivo del siguiente artículo es mostrar el alcance del fenómeno de la expresión en la obra de Edith Stein para resolver los problemas epistemológico, político y fenomenológico vinculados al hecho religioso.
Miriam Ramos Gómez
doaj   +1 more source

Coexisting Single‐Atomic Fe and Ni Sites on Hierarchically Ordered Porous Carbon as a Highly Efficient ORR Electrocatalyst

open access: yesAdvances in Materials, 2020
The development of oxygen reduction reaction (ORR) electrocatalysts based on earth‐abundant nonprecious materials is critically important for sustainable large‐scale applications of fuel cells and metal–air batteries.
Zhengju Zhu   +13 more
semanticscholar   +1 more source

Zinc‐Mediated Template Synthesis of Fe‐N‐C Electrocatalysts with Densely Accessible Fe‐Nx Active Sites for Efficient Oxygen Reduction

open access: yesAdvances in Materials, 2020
Owing to their earth abundance, high atom utilization, and excellent activity, single iron atoms dispersed on nitrogen‐doped carbons (Fe‐N‐C) have emerged as appealing alternatives to noble‐metal platinum (Pt) for catalyzing the oxygen reduction reaction
Guangbo Chen   +11 more
semanticscholar   +1 more source

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