Results 101 to 110 of about 72,137 (190)
Chemical composition of evolved stars of high galactic latitude
, 2005 We have carried out abundance analysis for a sample of high galactic latitude supergiants in search of evolved stars. We find that HD 27381 has atmospheric parameters and an abundance pattern very similar to that of the post-AGB star HD 107369.
A. Arellano Ferro +52 more
core +1 more source
Bias Correction of ML and QML Estimators in the EGARCH(1,1) Model [PDF]
n this paper we derive the bias approximations of the Maximum Likelihood (ML) and Quasi-Maximum Likelihood (QML) Estimators of the EGARCH(1,1) parameters and we check our theoretical results through simulations.
Antonis Demos, Dimitra Kyriakopoulou
core
, 2010 Results of modeling the spectra of two supernovae SN 2008D and SN 2006aj related to the X-ray flash XRF 080109 and gamma-ray burst GRB / XRF 060218, respectively, are studied.
A. Elmhamdi +25 more
core +1 more source
Rubricatum: revista del Museu de Gavà, 2012 Ya desde la fase microlaminar del Epipaleolítico el macizo de Garraf ha ofrecido y satisfecho a sus pobladores de la mayoría de materias primas. Por lo que se refiere a las materias de carácter abiótico, observaremos como las diferentes poblaciones que se han sucedido en la ocupación de la cueva, fueron incrementando la captación y el uso de las ...
Edo, Manuel +2 more
openaire +1 more source
International Journal for Research in Applied Science and Engineering TechnologyWater Quality Indices (WQIs) generate a single numerical value based on different physicochemical parameters. This facilitates the interpretation of data and assists with monitoring and public health decisions. This work presents the development and validation of a Python-based Graphical User Interface (GUI) WQI Analyzer.
openaire +1 more source
Thermal analysis of conceptual designs for GPHS/FPSE power systems of 250 We and 500 We [PDF]
Thermal analyses were performed for two distinct configurations of a proposed space nuclear power system which combines General Purpose Heat Source (GPHS) modules with the state of the art Free-Piston Stirling Engines (FPSEs).
Dugan, Edward T., Mccomas, Thomas J.
core +1 more source
Metal Release and Cell Viability of 316L Stainless Steel Sputter-Coated with N-Doped a-C:H Coatings
Applied SciencesHydrogenated amorphous carbon (a-C:H) has been considered a promising biocompatible coating to protect metallic alloys against corrosion for medical applications, namely orthodontics. However, there is still no optimal solution for this biomedical field;
António Fróis +6 more
doaj +1 more source
Entre catégorie médicale et expérience située : quelle(s) spécificité(s) des cancers pédiatriques ?
Anthropologie & Santé, 2021 Solenne Carof +2 more
doaj +1 more source