Results 41 to 50 of about 2,819 (178)

Anatomy and ontogeny of the pericarp of Pterodon emarginatus Vogel (Fabaceae, Faboideae), with emphasis on secretory ducts

open access: yesAnais da Academia Brasileira de Ciências, 2008
Discrepant and incomplete interpretations of fruits of Pterodon have been published, especially on the structural interpretation of the pericarp portion that remain attached to the seed upon dispersal. The present work clarified these doubts and analyzed
Élder A.S. Paiva   +2 more
doaj   +1 more source

Microfiltración de resinas Bulk Fill vs resinas convencionales: revisión sistemática

open access: yesKillkana Salud y Bienestar, 2022
Objetivo: Evaluar el grado de microfiltración de las resinas bulk fill comparado con las resinas convencionales. Metodología. La presente revisión sistemática se realizó de acuerdo a las directrices de la declaración del PRISMA. Se estableció como pregunta PICO ¿Cuál es el grado de Micro filtración de la resina Bulk Fill comparadas con las resinas ...
Jaime Terán-Calle   +5 more
openaire   +1 more source

Patch Test Reactions to Dental Materials: A Retrospective Single‐Centre Study

open access: yesContact Dermatitis, EarlyView.
In this retrospective single‐centre study of 439 adults referred for suspected delayed‐type hypersensitivity to dental materials, 50.1% had at least one positive patch test reaction, most often to metals. Nickel (23.0%) and palladium (16.6%) pre‐dominated, whilst methacrylate positivity was uncommon (6.2%) and not fully captured by HEMA alone.
Mojca Bizjak‐Suran   +3 more
wiley   +1 more source

Resina epoxi reforzada

open access: yesIngenia Materiales, 2023
Este experimento trata de comprobar cuál es el resultado de crear un bloque de resina epoxi reforzada con fibra de vidrio y fibra de aramida, así como estudiar qué propiedades se obtienen sometiendo, el resultado de la fabricación, a diversos ensayos y qué posibles aplicaciones podría tener en la industria.
Baquero, A.   +3 more
openaire   +1 more source

Antifouling capacity of substrate materials and their effects on settlement and post‐settlement survival of Acropora palmata and Orbicella faveolata

open access: yesRestoration Ecology, EarlyView.
Abstract Introduction In coral reef restoration, sexual reproduction is a key methodology to enhance coral population recovery. However, post‐settlement survival remains a major bottleneck, as spat are particularly vulnerable to competition with fouling organisms.
Laura C. Arango‐Carvajal   +5 more
wiley   +1 more source

Optimización del proceso VARTM, para el prototipado de un guardachoque, utilizando materiales compuestos híbridos

open access: yesIngenius: Revista de Ciencia y Tecnología
Con el fin de brindar una alternativa para la manufactura de autopartes utilizando materiales compuestos, se aplicó el proceso VARTM en el prototipado del guardachoque del vehículo Chevrolet Aveo.
Diego Javier Jiménez-Pereira   +1 more
doaj   +1 more source

Application of Principal Component Analysis and Probabilistic Neural Networks in Ferralsols Recovery Evaluation Through Planting of Mabea Fistulifera and Eucalyptus Urograndis

open access: yesLand Degradation &Development, Volume 37, Issue 13, Page 9021-9037, 15 August 2026.
ABSTRACT This study presents an innovative assessment model for analyzing the evolution of degraded soils subjected to different reclamation strategies. The proposal combines statistical and artificial intelligence tools to jointly integrate multiple physical and chemical soil properties, allowing for a more synthetic view of the processes.
Melissa Alexandre Santos   +7 more
wiley   +1 more source

Influencia del uso de resina sobre la velocidad y precisión de los lanzamientos en balonmano

open access: yesE-balonmano.com: Revista de Ciencias del Deporte, 2021
El manejo del balón se considera determinante en la precisión y potencia de los lanzamientos en balonmano. Para facilitar este manejo, el reglamento permite utilizar un material adhesivo denominado “resina” a los jugadores.
José Antonio Bracamonte Morcillo   +4 more
doaj   +1 more source

Harnessing the PpHog1 Regulatory Network to Engineer a UPR‐Adaptive Komagataella phaffii Chassis for High‐Copy Secretory Protein Production

open access: yesMicrobial Biotechnology, Volume 19, Issue 7, July 2026.
Increasing gene copy number is a common strategy to boost heterologous expression, but an excessively high copy number of genes encoding secretory proteins can cause ER stress, leading to growth defects and ERAD activation. To solve this, we screened for key UPR signalling components in K. phaffii and used them to engineer a UPR‐Ad+ strain.
Jiacheng Shi   +5 more
wiley   +1 more source

Uso de la amalgama dental en la población cubana

open access: yesMultimed, 2018
RESUMEN Se realizó un estudio descriptivo transversal en 180 pacientes que acudieron a la consulta estomatológica del policlínico 13 de Marzo de Bayamo durante Diciembre 2016, con el objetivo de determinar la frecuencia del uso de la amalgama en la ...
Yanger Luis Téllez Velázquez   +2 more
doaj  

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