Results 51 to 60 of about 820,131 (162)

External structures at the nest‐site predict asymmetric architecture of nests in a mud‐building bird

open access: yesIbis, Volume 168, Issue 4, Page 1696-1703, October 2026.
In the animal kingdom, nests are essential structures and textbook examples of extended phenotypes. However, the relationship between builders, nest traits and the nest‐site remains poorly understood. We indirectly examine whether structures in the nest‐site influence nest‐building behaviour, specifically focusing on their effect on nest architecture ...
Nicolas M. Adreani   +2 more
wiley   +1 more source

Waste‐Derived Fine‐Milled Bone Char for Apparent Cr (VI) Removal From Water and Preliminary Asphalt‐Compatible Processing of the Recovered Residue

open access: yesWater Environment Research, Volume 98, Issue 9, September 2026.
Waste‐derived ultrafine bone char removed Cr (VI) from acidic synthetic water, and the recovered Cr‐loaded solid was incorporated into asphalt‐compatible binder and mortar without major rheological disruption. The pathway links contaminant capture with preliminary spent adsorbent management, but leaching, chromium speciation, aging, and real‐wastewater
Kevin Yonny Avila‐Robayo   +2 more
wiley   +1 more source

Construcción de caseta

open access: yes, 1991
Esta cartilla presenta las técnicas, herramientas y materiales para la construcción de la caseta o campamento, que debe ser la primera obra a construir en un proyecto, tanto de vivienda como en cualquier obra de importancia en el campo de la construcción.
Díaz, Ricardo   +5 more
core  

Construcción y colocación de elementos prefabricados en hormigón [PDF]

open access: yes, 1986
Unidad de la serie “Construcción. Construcción de estructuras en hormigón” en la que se describen materiales, métodos, y conceptos asociados a los procesos de construcción y colocación de elementos prefabricados en hormigón.Unit of the series ...
Sánchez Jaramillo, Gabriel Jaime   +1 more
core  

Experimental study of the effect of temperature on the strength of ready-mixed concrete. Theory

open access: yesMateriales de Construccion, 2008
The present article discusses the effects of temperature on the performance of both fresh and hardened concrete and on the properties of its constituent materials, from an industrial perspective.
J. A. Ortiz Lozano   +4 more
doaj   +1 more source

Framings of Intervention in Spain: From the Civil War to the Franco Dictatorship

open access: yesHistory, Volume 111, Issue 397, Page 610-625, September 2026.
Abstract Despite the role of foreign intervention in the Spanish Civil War, the word intervención rarely appeared in contemporary media and official discourse. This article examines the expressions that Republican and rebel authorities used to represent the presence of outside forces in Spain.
Marta Costa Costa
wiley   +1 more source

Encuentro Nacional de semilleros de investigación : sector construcción. 1

open access: yes, 2017
El documento recoge los resultados de proyectos del Primer Encuentro de Semilleros de Investigación Sector de la Construcción desarrollado en noviembre de 2017 en Cali, contiene reflexiones y desarrollos conceptuales alrededor de diseños y desarrollos ...

core  

Materiales auxiliares de Construcción Metálica y Mixta

open access: yes, 2011
Este documento reúne los siguientes materiales complementarios para las clases prácticas de la asignatura "Construcción Metálica y Mixta": (1) resumen de la metodología a seguir para el estudio de abolladura local y global y arrastre por rasante en alas ...
Varona Moya, Francisco de Borja   +1 more
core   +1 more source

Muralismo como encargo participativo: Holografía de lo (in)visible en comunidades a’i cofán de la selva colombiana

open access: yesAnthropology of Consciousness, Volume 37, Issue 2, Fall 2026.
ABSTRACT When mural art in indigenous communities is commissioned as a participatory project, several methodological, epistemological, and aesthetic questions arise. This text proposes a horizontal and investigative approach to what we can simply call ‘muralism in the A'i Cofán community context,’ not as significant works executed in communities, but ...
Daniel Alberto Restrepo Hernández   +2 more
wiley   +1 more source

An analytical comparison of two commercial consolidating products applied to eocene sandstones from 16th and 19th century monuments in San Sehastián, northern Spain

open access: yesMateriales de Construccion, 2002
The conservation of buildings in the Basque Country made of Eocene sandstone is somewhat problematical, because this type of rock is relatively unstable.
F. García-Garmilla   +6 more
doaj   +1 more source

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