Results 31 to 40 of about 4,580,673 (328)
High-Resolution Spectroscopic Study of Extremely Metal-Poor Star Candidates from the SkyMapper Survey [PDF]
, 2015 The SkyMapper Southern Sky Survey is carrying out a search for the most metal-poor stars in the Galaxy. It identifies candidates by way of its unique filter set that allows for estimation of stellar atmospheric parameters.
Asplund, Martin +15 more
core +2 more sources
An intracellular transporter mitigates the CO2‐induced decline in iron content in Arabidopsis shoots
FEBS Letters, EarlyView.This study identifies a gene encoding a transmembrane protein, MIC, which contributes to the reduction of shoot Fe content observed in plants under elevated CO2. MIC is a putative Fe transporter localized to the Golgi and endosomal compartments. Its post‐translational regulation in roots may represent a potential target for improving plant nutrition ...
Timothy Mozzanino +7 more
wiley +1 more source
Fatigue of Aircraft Structures, 2016 One crucial characteristic of the aircraft structure are fatigue properties and rivets are usually critical areas in metal airframes due to fatigue cracks nucleation.
Wronicz Wojciech
doaj +1 more source
Reason or faith: a discussion about the pantheism controversy
Revista de Filosofia, 2017 Firstly, this article will examine in the text of 1786, Was heisst: sich im Denken orientieren?, the chaining of the argumentation used by Kant to reply to the critique arised during the pantheism controversy about the passage from the finite to the ...
Ivanilde Fracalossi
doaj +1 more source
Fe-Ni Sulphides as Indicators of Alteration in CM Chondrites [PDF]
, 2007 This study looks at the sulphide abundance and composition of Fe-Ni sulphide grains in 12 CM chondrites to determine an alteration sequence for these ...
Bullock, E. S. +3 more
core
By dawn or dusk—how circadian timing rewrites bacterial infection outcomes
FEBS Letters, EarlyView.The circadian clock shapes immune function, yet its influence on infection outcomes is only beginning to be understood. This review highlights how circadian timing alters host responses to the bacterial pathogens Salmonella enterica, Listeria monocytogenes, and Streptococcus pneumoniae revealing that the effectiveness of immune defense depends not only
Devons Mo +2 more
wiley +1 more source
El argumento vertebrador del Sentimiento Trágico de la Vida, de Miguel de Unamuno
Daimon, 2017 En su Sentimiento Trágico de la Vida, Miguel de Unamuno argumenta que necesitamos creer en Dios y que esta necesidad es suficiente para justificar la adopción de la creencia religiosa.
Alberto Oya Márquez
doaj +1 more source
Interface and transport properties of Fe/V/MgO/Fe and Fe/V/Fe/MgO/Fe magnetic tunneling junctions [PDF]
Physical Review B, 2009 The interface and transport properties of Fe/V/MgO/Fe and Fe/V/Fe/MgO/Fe magnetic tunneling junctions are investigated by using density-functional theory and nonequilibrium Green's-function methods. Bader analysis reveals that the Fe layer at the interface with MgO loses a small amount of charge with respect to its bulk value, in contrast to a previous
Xiaobing Feng +4 more
openaire +3 more sources
Molecular bases of circadian magnesium rhythms across eukaryotes
FEBS Letters, EarlyView.Circadian rhythms in intracellular [Mg2+] exist across eukaryotic kingdoms. Central roles for Mg2+ in metabolism suggest that Mg2+ rhythms could regulate daily cellular energy and metabolism. In this Perspective paper, we propose that ancestral prokaryotic transport proteins could be responsible for mediating Mg2+ rhythms and posit a feedback model ...
Helen K. Feord, Gerben van Ooijen
wiley +1 more source
, 2013 We describe a method for the determination of stellar [C/Fe] abundance ratios using low-resolution (R = 2000) stellar spectra from the SDSS and SEGUE. By means of a star-by-star comparison with a set of SDSS/SEGUE spectra with available estimates of [C ...
Beers, Timothy C. +10 more
core +3 more sources