Results 31 to 40 of about 1,651,932 (286)

Evolution of the Mass–Metallicity Relation from Redshift z ≈ 8 to the Local Universe

The Astrophysical Journal, 2023
A tight positive correlation between the stellar mass and the gas-phase metallicity of galaxies has been observed at low redshifts. The redshift evolution of this correlation can strongly constrain theories of galaxy evolution.
Danial Langeroodi, Jens Hjorth, Wenlei Chen, Patrick L. Kelly, Hayley Williams, Yu-Heng Lin, Claudia Scarlata, Adi Zitrin, Tom Broadhurst, Jose M. Diego, Xiaosheng Huang, Alexei V. Filippenko, Ryan J. Foley, Saurabh Jha, Anton M. Koekemoer, Masamune Oguri, Ismael Perez-Fournon, Justin Pierel, Frederick Poidevin, Lou Strolger   +19 more
doaj   +1 more source

The Astrochemical Evolution of Turbulent Giant Molecular Clouds : I - Physical Processes and Method of Solution for Hydrodynamic, Embedded Starless Clouds [PDF]

, 2013
Contemporary galactic star formation occurs predominantly within gravitationally unstable, cold, dense molecular gas within supersonic, turbulent, magnetized giant molecular clouds (GMCs).
Fisher, Robert T., Kumar, Avinash
core   +1 more source

Developmental transcriptomics of the brittle star Amphiura filiformis reveals gene regulatory network rewiring in echinoderm larval skeleton evolution

Genome Biology, 2018
Background Amongst the echinoderms the class Ophiuroidea is of particular interest for its phylogenetic position, ecological importance and developmental and regenerative biology.
David V. Dylus, Anna Czarkwiani, Liisa M. Blowes, Maurice R. Elphick, Paola Oliveri   +4 more
doaj   +1 more source

Molecules to Microbes

Sci, 2020
How did life begin on Earth? And is there life elsewhere in the Cosmos? Challenging questions, indeed. The series of conferences established by NoR CEL in 2013 addresses these very questions.
Sohan Jheeta
doaj   +1 more source

Towards Bioleaching of a Vanadium Containing Magnetite for Metal Recovery

Frontiers in Microbiology, 2021
Vanadium – a transition metal – is found in the ferrous-ferric mineral, magnetite. Vanadium has many industrial applications, such as in the production of high-strength low-alloy steels, and its increasing global industrial consumption requires new ...
Sören Bellenberg, Stephanie Turner, Laura Seidel, Nathan van Wyk, Ruichi Zhang, Varvara Sachpazidou, Rodrigo F. Embile, Ingar Walder, Tiina Leiviskä, Mark Dopson   +9 more
doaj   +1 more source

On the Galactic chemical evolution of sulphur. Sulphur abundances from the [S i] 1082 nm line in giants [PDF]

, 2013
Context. The Galactic chemical evolution of sulphur is still under debate. At low metallicities some studies find no correlation between [S/Fe] and [Fe/H], others find [S/Fe] increasing towards lower metallicities, and still others find a combination of ...
Dupree, A. K., Matrozis, E., Ryde, N.
core   +1 more source

The copper transport-associated protein Ctr4 can form prion-like epigenetic determinants in Schizosaccharomyces pombe

Microbial Cell, 2017
Prions are protein-based infectious entities associated with fatal brain diseases in animals, but also modify a range of host-cell phenotypes in the budding yeast, Saccharomyces cerevisiae. Many questions remain about the evolution and biology of prions.
Theodora Sideri, Yoko Yashiroda, David A. Ellis, María Rodríguez-López, Minoru Yoshida, Mick F. Tuite, Jürg Bähler   +6 more
doaj   +1 more source

Chemical Evolution in the Large Magellanic Cloud [PDF]

, 1999
We present a new input parameter set of the Pagel model (Pagel & Tautvai$\rm \breve{s}$ien$\rm \dot{e}$ 1998) for the Large Magellanic Cloud (LMC) in order to reproduce the observations, including the star formation rate (SFR) history.
Nagataki, S., Watanabe, G.
core   +4 more sources

The Chemical Evolution of Phosphorus

, 2014
Phosphorus is one of the few remaining light elements for which little is known about its nucleosynthetic origin and chemical evolution, given the lack of optical absorption lines in the spectra of long-lived FGK-type stars.
Cescutti, Gabriele, Frebel, Anna, Jacobson, Heather R., Matteucci, Francesca, Roederer, Ian U., Thanathibodee, Thanawuth   +5 more
core   +1 more source

Chemical evolution of the intra-cluster medium [PDF]

, 2003
The high metallicity of the intra-cluster medium (ICM) is generally interpreted on the base of the galactic wind scenario for elliptical galaxies. In this framework, we develop a toy-model to follow the chemical evolution of the ICM, formulated in ...
A. Moretti, Abel, Andreon, Andreon, Arimoto, Arimoto, Arnaboldi, Arnaud, Balogh, Becker, Bica, Bressan, Briceño, Bromm, Bryan, C. Chiosi, Carraro, Chabrier, Chiosi, Chiosi, Chiosi, Ciotti, Cirimele, David, David, David, De Grandi, De Propris, De Young, Djorgovski, Driver, Elbaz, Ettori, Ferguson, Ferguson, Finoguenov, Finoguenov, Fukazawa, Fukazawa, Gibson, Gibson, Girardi, Gregg, Greggio, Hernandez, Hinnes, Irwin, Ishimaru, Johnstone, Kaastra, L. Portinari, Lacey, Larson, Larson, Larson, Larson, Lin, Loewenstein, Loewenstein, Luhman, Marigo, Marigo, Martinelli, Martinelli, Matteucci, Matteucci, Matteucci, Matteucci, Matteucci, Mitchell, Mobasher, Mori, Mushotzky, Nath, Padoan, Padoan, Pei, Pipino, Portinari, Press, Reiprich, Renzini, Renzini, Renzini, Roussel, Scalo, Schechter, Serlemitsos, Silk, Smith, Steidel, Tamura, Tantalo, Tinsley, Tornatore, Trentham, Trentham, Trentham, Valdarnini, Vigroux, White, White, White, Woosley, Worthey, Zepf   +105 more
core   +1 more source