Results 61 to 70 of about 46,598 (287)

Microstructure Evolution and Microstructural Characteristics of Al–Mg–Si Aluminum Alloys Fabricated by a Modified Strain-Induced Melting Activation Process

open access: yesMetals, 2017
A modified strain-induced melting activation (SIMA) process is shown to improve high-temperature formability. The microstructural characteristics of the spheroidized grains of SIMA-processed alloys affect high-temperature formability.
Chia-Wei Lin   +2 more
doaj   +1 more source

Evaluating land–sea linkages using land cover change and coral reef monitoring data: A case study from northeastern Puerto Rico

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
Land cover change that leads to increased nutrient and sediment runoff is an important driver of change in coral reef ecosystems. In this study, we combined satellite remote sensing and field monitoring to assess concomitant changes in watershed land cover and coral cover in northeastern Puerto Rico in 2000–2015.
Pirta Palola   +5 more
wiley   +1 more source

Characterization of the Collagen Extraction Manufacturing Process Using Markov Chains and Artificial Neural Networks

open access: yesIEEE Access
Modelling a process requires a priori knowledge of the possible causal relationships between the study variables and the response, especially when the raw material is waste.
Rosa Trasvina-Osorio   +6 more
doaj   +1 more source

A drag on the ticket? Estimating top‐of‐the‐ticket effects on down‐ballot races

open access: yesAmerican Journal of Political Science, EarlyView.
Abstract Campaign staff, journalists, and political scientists commonly attribute the poor performances of a party's down‐ballot candidates to low‐quality or extreme top‐of‐the‐ticket candidates, but empirical evidence on this conventional wisdom is scant. We estimate the effect of candidate quality and ideology in gubernatorial and U.S.
Kevin DeLuca   +2 more
wiley   +1 more source

Fania (Fanny) Kaplan and the attempted assassination of Vladimir Lenin: Ophthalmologic considerations

open access: yesActa Ophthalmologica, EarlyView.
Abstract Purpose Fania (Fanny) Kaplan (1890–1918), who was reportedly visually impaired, confessed to the attempted assassination of Soviet leader Vladimir Lenin (1870–1924) in 1918 by shooting him with a pistol. The precise nature of her visual loss is unknown and raises doubts about whether she had sufficient visual function to perform the act ...
Stephen G. Schwartz   +3 more
wiley   +1 more source

Investigating Technology and Raw Materials Source of the Archaic and Classical Architectural Terracottas From the Athenaion in Castro (Apulia, Italy)

open access: yesArchaeometry, EarlyView.
ABSTRACT Since 2000, archaeological excavations have brought to light the sanctuary of Athena in Castro (Apulia, Italy), including terracotta roofs dated between the 6th and 4th centuries bce. Based on their morphological and stylistic features, it is suggested that the terracotta items were manufactured in the Greek colony of Taras (modern Taranto ...
M. M. N. Franceschini   +7 more
wiley   +1 more source

Hallazgo de dos nuevos bisontes en la cueva de Altxerri (Aia, País Vasco). [PDF]

open access: yesMunibe Antropologia-Arkeologia, 1996
Se describen dos nuevos bisontes pintados, decubiertos, en la cueva de Altxerri en un lugar de difícil acceso, por construir una sima. Esta sima da origen a una larga galería, que pudo ser decorada fácilmente una vez haber accedido al fondo de la sima ...
J. Altuna
doaj  

Sima oder Tetraponera?

open access: yes, 1915
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

Out in the cold? A review of Early Middle Palaeolithic settlements in northern Central Europe, age data and geological preconditions for site formation and preservation

open access: yesBoreas, EarlyView.
The characteristics of settlement of Neanderthals in northern Central Europe during the earlier phases of the Middle Palaeolithic (Marine Isotope Stage 8–6) have been a matter of debate for decades, specifically regarding the population dynamics at such latitudes during the coldest phases. In this paper, we review the known archaeological record of the
Gianpiero Di Maida   +5 more
wiley   +1 more source

Fenomena Akuntabilitas Perpajakan pada Jaman Bali Kuno: Suatu Studi Interpretif

open access: yesJurnal Akuntansi Multiparadigma, 2014
The aim of this research to interpret the phenomenon of taxation accountability at the time of ancient Bali (IX-XV AD). Through of interpretive study with Ethnoarchaeology method archaeological and ethnographic data integration, the phenomenon of ...
I Gusti Ayu Nyoman Budiasih
doaj  

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