Results 11 to 20 of about 453,375 (231)

Delayed occult gastrointestinal bleeding secondary to ulcer at site of neonatal ileoileostomy

open access: yesJournal of Pediatric Surgery Case Reports, 2020
Meconium peritonitis occurs in neonates after an in-utero bowel perforation. It can sometimes be treated initially with peritoneal drainage, and usually will also require a laparotomy, possibly with enterostomy, in order to evacuate remaining ...
Pej Estakhri   +4 more
doaj   +1 more source

Autoimmune Hemolytic Anemia and Immune Thrombocytopenia: A Unique Presentation of Kawasaki Disease

open access: yesCase Reports in Rheumatology, 2021
Kawasaki disease is an acute multisystem vasculitis characterized by involvement of medium-sized vessels that mostly affects children under the age of 5 years.
Chloe Kupelian   +2 more
doaj   +1 more source

Densidad de madera de especies arbóreas dominantes de la selva tropical subperennifolia de Calakmul, México

open access: yesEcosistemas y Recursos Agropecuarios, 2022
La densidad de madera es un parámetro fundamental para la estimación precisa de biomasa arbórea en ecosistemas forestales. La selva subperennifolia del sureste mexicano se caracteriza por la alta diversidad arbórea, por lo cual es necesario estudiar las ...
Gabriel Chan-Coba   +7 more
doaj   +1 more source

Sustainable Building: High Performance Timber Bridges

open access: yesProceedings, 2019
Steel and concrete are fantastic materials that will continue to be fundamental in the future, but we cannot ignore their high energy costs and carbon footprint.
Julio Vivas, Juan Carlos Santos
doaj   +1 more source

Analysis of the effect of volume on the bending strength of the Spanish scot and laricio pine timber

open access: yesMateriales de Construccion, 2002
Since the beginning of the XX century it has been recognized that the bending strength of timber is affected by the size of the specimen. In the present work the influence of depth (h) and thickness (t) on the characteristic bending strength (fk) of ...
J. I. Fernández-Golfín   +2 more
doaj   +1 more source

Evaluación y análisis de propiedades estructurales de productos de madera

open access: yesInformes de la Construccion, 2015
Los productos de madera destinados a la construcción están dotados de normativa de apoyo para la evaluación de sus propiedades y el control y seguimiento de su calidad.
E. Hermoso   +3 more
doaj   +1 more source

Obtención de celulosa blanqueada de Ricinus communis L. mezclada con fibra industrial para fabricar papel bond

open access: yesRevista Mexicana de Ciencias Forestales, 2018
En este estudio se describe el procedimiento para obtener celulosa de Ricinus communis blanqueada y mezclada con fibra industrial para su evaluación e incorporación en la fabricación de papel bond. Se extrajo una muestra del tallo, se le descortezó y
Teófilo Escoto García   +4 more
doaj   +1 more source

Campalita maderae subsp. maderae

open access: yes, 2015
Published as part of Ghannem, Samir, Touaylia, Samir & Boumaiza, Moncef, 2015, Ground beetles (Coleoptera: Carabidae) diversity in Center and Southern Tunisia., pp.
Ghannem, Samir   +2 more
openaire   +2 more sources

Guia práctica ATEX MADERA

open access: yes, 2022
La presente guía se ha elaborado con el fin de ayudar a los profesionales de la industria de la madera y a los técnicos de prevención, para que conozcan el comportamiento del polvo de madera ya que, en determinadas condiciones, explota. Este polvo es capaz de generar lo que se conoce como atmósferas explosivas, lo cual sucede cuando sustancias ...
Francisco Javier Hoyuelos Álvaro   +2 more
openaire   +3 more sources

Physical properties of four ring-porous hardwood species: Influence of wood rays on tangential and radial wood shrinkage [PDF]

open access: yes, 2019
Some relationships between ray proportions, strength and shrinkage properties and basic density in hardwood species were highlighted. A better understanding of their relationships caused by the variation in moisture content in the hygroscopic domain ...
Candelier, Kévin   +4 more
core   +1 more source

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