Results 91 to 100 of about 828,167 (250)

La moneda y otros medios de cambio en la Zacatecas colonial

open access: yesHistoria Mexicana El Colegio de México, 1954
-
Alfonso García Ruiz
doaj  

Bodas de plata

open access: yesBoletín Museo Nacional de Historia Natural, 1919
En Septiembre del entrante año, la Revista Chilena de Historia Natural celebrará sus «Bodas de Plata» con la publicación de un tomo de gala, profusamente ilustrado. El director i fundador de la mencionada revista, ha distribuido con fecha reciente la circular que reproducimos en seguida:
openaire   +1 more source

Geometric Morphometrics Reveal Body Shape Variation in Freshwater Shrimps of the Genus Macrobrachium Lacking a Mandibular Palp (Formerly Pseudopalaemon Sollaud, 1911) (Decapoda: Palaemonidae)

open access: yesActa Zoologica, EarlyView.
ABSTRACT Shape variation in the cephalothorax of Macrobrachium species without mandibular palp using geometric morphometrics was used as a tool to support species differentiation and propose new diagnostic characters for taxonomic identification.
Thaís Arrais Mota   +4 more
wiley   +1 more source

Primeros datos arqueométricos sobre la metalurgia del poblado y necrópolis de Calvari del Molar (Priorat, Tarragona)

open access: yesTrabajos de Prehistoria, 2005
La presencia de materiales fenicios en el curso del río Ebro se ha relacionado con su interés hacia los recursos mineros del nordeste peninsular en general y del área Molar- Bellmunt-Falset en particular, pero hasta la fecha esta propuesta no había sido ...
Xosé-Lois Armada Pita   +5 more
doaj   +1 more source

Troponin T3 regulates nuclear localization of the calcium channel Cavβ1a subunit in skeletal muscle [PDF]

open access: yes, 2015
The voltage-gated calcium channel (Cav) β1a subunit (Cavβ1a) plays an important role in excitation-contraction coupling (ECC), a process in the myoplasm that leads to muscle-force generation. Recently, we discovered that the Cavβ1a subunit travels to the
Delbono, Osvaldo   +7 more
core   +2 more sources

Mitochondrial Ca2+ overload is a pivotal risk factor for lethal ventricular arrhythmias due to the oxidation of mitochondrial respirasome and energetic failure

open access: yesBritish Journal of Pharmacology, EarlyView.
The data that support the findings of this study are available from the corresponding author upon reasonable request. Some data may not be made available because of privacy or ethical restrictions. Background and Purpose Ventricular arrhythmias are a leading cause of death among patients with cardiovascular diseases and are associated with elevated ...
Felipe de Jesús Salazar‐Ramírez   +13 more
wiley   +1 more source

Síntesis y Caracterización de Ag2Cu2O3, el primer óxido de cobre y plata

open access: yesBoletín de la Sociedad Española de Cerámica y Vidrio, 2000
Despite the crystal-chemical similarities between copper and silver ions, there is no known silver copper oxide, neither natural nor synthetic. In this work, we present the synthesis at room-temperature of the first silver copper oxide of formula ...
Gómez-Romero, P.   +2 more
doaj  

Los reales de minas de la caja de Guadalajara durante el siglo XVIII: Circuitos comerciales y producción de plata

open access: yesRevista de Indias, 2011
Este artículo da a conocer la importancia económica que tuvo un conjunto de reales de minas que perteneció a la jurisdicción de la caja de Guadalajara. Es novedoso porque por primera vez son estudiados aquéllos que la historiografía local ha considerado ...
C. René de León Meza
doaj   +1 more source

Kovacs-like memory effect in athermal systems: linear response analysis [PDF]

open access: yes, 2017
We analyse the emergence of Kovacs-like memory effects in athermal systems within the linear response regime. This is done by starting from both the master equation for the probability distribution and the equations for the physically relevant moments ...
Plata, Carlos A., Prados, Antonio
core   +3 more sources

Revealing patterns of endemism in the transatlantic family Chelodesmidae (Polydesmida: Diplopoda)

open access: yesCladistics, EarlyView.
Abstract With fossil records dating back to the Silurian/Late Ordovician, millipedes stand out as one of the earliest terrestrial animal groups. Their limited vagility and high endemism make them valuable tools for formulating and testing biogeographic hypotheses, including those related to macro‐vicariance events.
Rodrigo Salvador Bouzan   +4 more
wiley   +1 more source

Home - About - Disclaimer - Privacy