Results 11 to 20 of about 1,113,246 (176)

Las figuras protectoras y su efecto político. Reys y damimones: las marcas de la custodia

open access: yesHeródoto, 2019
El objetivo de este artículo es analizar las figuras protectoras que se encuentran presentes en Teogonía y Trabajos y días. De ellas hemos escogido al rey, como garante del orden y la justicia emanada de Zeus, y a los daimones, vigilantes invisibles de ...
Maria Cecilia Colombani
doaj   +1 more source

The Influence of Hydrothermal Fluids on the REY-Rich Deep-Sea Sediments in the Yupanqui Basin, Eastern South Pacific Ocean: Constraints from Bulk Sediment Geochemistry and Mineralogical Characteristics

open access: yesMinerals, 2020
Rare earth elements (REEs) and yttrium (Y), together known as REY, are extremely enriched in deep-sea pelagic sediments, attracting much attention as a promising new REY resource. To understand the influence of hydrothermal processes on the enrichment of
Tiancheng Zhou   +7 more
semanticscholar   +1 more source

Fish Teeth Sr Isotope Stratigraphy and Nd Isotope Variations: New Insights on REY Enrichments in Deep-Sea Sediments in the Pacific

open access: yesJournal of Marine Science and Engineering, 2021
Rare earth elements and yttrium (REY) are widely recognized as strategic materials for advanced technological applications. Deep-sea sediments from the eastern South Pacific and central North Pacific were first reported as potential resources containing ...
Fenlian Wang   +4 more
semanticscholar   +1 more source

Formas sociales organizativas en los palenques de las Sierras de María. Siglo XVII

open access: yesHistoria y Espacio, 2017
Aun cuando los documentos de archivo no ofrecen información suficiente para estudiar en profundidad la historia y la vida de los palenques-refugios clandestinos de esclavizados(as) fugitivos-, es importante intentar reconstruir cómo los cimarrones ...
María Cristina Navarrete
doaj   +1 more source

Stratigraphic Variations of Fe–Mn Micronodules and Implications for the Formation of Extremely REY-Rich Mud in the Western North Pacific Ocean

open access: yesMinerals, 2021
The origin of deep-sea sediments in the western North Pacific Ocean, which are significantly enriched in rare-earth elements and yttrium (REY), and its paleoceanographic implications have been poorly constrained.
K. Yasukawa   +8 more
semanticscholar   +1 more source

Strict lower bounds with separation of sources of error in non-overlapping domain decomposition methods [PDF]

open access: yes, 2016
This article deals with the computation of guaranteed lower bounds of the error in the framework of finite element (FE) and domain decomposition (DD) methods.
Gosselet, Pierre   +2 more
core   +3 more sources

The Study of Interpretive Viewpoint of Abdul Jalil e- Qazivini in Dealing with the Obstacles on the Way of Unity in Saljuqi Era [PDF]

open access: yesتاریخ اسلام, 2019
Concurrent with Saljuqids’ achieving power in Iran (429-552 A.H), the religious disagreement and tensions was developed among the Muslims. During this era, some intellectuals took effective steps toward eradicating the diverging theological beliefs and ...
talat dehpahlavani   +2 more
doaj   +1 more source

The family in the Libro de Apolonio

open access: yesEstudios de Historia de España, 2023
The Libro de Apolonio, a Castilian poem from the first half of the 13th century, makes it possible to analyze the norm of the family, both in relation to marriage, filiation and kinship ties, as well as in terms of the same domestic space shared by kings,
Carina Zubillaga
doaj   +1 more source

Idea de la Justicia a través de la iconografía de las Biblias medievales de Bolonia (Siglos XIII-XIV) localizadas en España

open access: yesHispania Sacra, 2015
Análisis de la representación iconográfica de la virtud de la Justicia en el Libro de la Sabiduría de las Biblias de Bolonia (siglos XIII y XIV) localizadas en España.
Mª. Concepción Martínez Murillo
doaj   +1 more source

Geological controls on the distribution of REY-Zr (Hf)-Nb (Ta) enrichment horizons in late Permian coals from the Qiandongbei Coalfield, Guizhou Province, SW China

open access: yes, 2020
The abnormal enrichment of the REY (rare earth elements and yttrium)-Zr (Hf)-Nb (Ta) assemblage in Late Permian coals occurring in some coalfields in SW China has been extensively investigated, but the geological controlling factors of this assemblage ...
Bao-qing Li   +8 more
semanticscholar   +1 more source

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