Results 41 to 50 of about 1,552 (217)

Identificação anatômica e avaliação da melhoria na estabilidade dimensional em espécies amazônicas termorretificadas

Matéria (Rio de Janeiro), 2022
RESUMO A Termorretificação é um método que se utiliza visando incrementar as propriedades físicas, químicas e mecânicas da madeira, expondo amostras a temperaturas elevadas. No presente estudo, avaliaram-se as melhorias e implicações proporcionadas pela termorretificação nas espécies amazônicas Angelim Vermelho, Cedro, Quaruba e Muiracatiara, quanto às
Rian Cícero Silva da Silva, Plínio Lima de Morais, Alisson Rodrigo Souza Reis, Maria Fátima do Nascimento, Francisco Antônio Rocco Lahr, Márcio Rogério da Silva   +5 more
openaire   +2 more sources

Hummingbird interaction niche packing is influenced by species richness and resource availability in the southern tropical Andes

Functional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Niche partitioning is often considered an important mechanism promoting species co‐occurrence in species‐rich communities. As species richness increases, niche partitioning may lead to different niche structures, including increased packing of species niches when the ...
Bryan G. Rojas, Carlos Iván Espinosa, Catherine H. Graham, Boris A. Tinoco   +3 more
wiley   +1 more source

Variabilidad de la estabilidad dimensional de siliconas por condensación según tiempo de vaciado, estudio in vitro - Lima 2021 [PDF]

, 2023
El propósito fue evaluar a la silicona por condensación en diferentes tiempos porque en sus propiedades presenta menos cambios en la estabilidad dimensional y gracias a esta propiedad se podrá obtener una copia fiel de las estructuras anatómicas de los ...
Shapiama Sinti, Bernardo, Laura Auquirima, Romy Justina   +1 more
core  

Comparación de la estabilidad dimensional de los modelos de trabajo obtenidos de las impresiones con siliconas de adición usando cuatro marcas comerciales diferentes [PDF]

, 2021
Esta investigación tuvo como finalidad comparar la estabilidad dimensional de los modelos de trabajo obtenidos mediante impresiones con siliconas de adición de cuatro marcas diferentes.
Olortiga Contreras, Paul Reynaldo
core  

Informal supply chains of wild meat from rural Amazonia and food security in an urban center

Conservation Biology, EarlyView.
Abstract Iquitos, the most populated city in the Peruvian Amazon, is a hub in the regional supply chain of wild meat and supplies urban consumers. Studies on wild meat consumption have focused primarily on markets, limiting the scope of species considered to those that are economically valuable and potential inferences from those data.
Fiorella Briceño Huerta, Michael P. Gilmore, Mark Bowler, Brian M. Griffiths   +3 more
wiley   +1 more source

Propiedades psicométricas de la versión en español del Achievement Goals Questionnaire

Anales de Psicologia, 2014
El objetivo de este trabajo es la adaptación y comprobación de las propiedades psicométricas Achievement Goals Questionnaire (AGQ) en español. Para ello se realizan dos estudios independientes.
Francisco Ruiz-Juan
doaj   +1 more source

Microstructure, thermal expansion, hardness and thermodynamic parameters of cordierite materials synthesized from Algerian natural clay minerals and magnesia

Boletín de la Sociedad Española de Cerámica y Vidrio, 2021
Low-cost, dimensionally stable, and hard cordierite ceramic materials were prepared by reaction sintering two Algerian natural clay minerals and synthetic magnesia.
Smail Lamara, Djaida Redaoui, Foudil Sahnoune, Menad Heraiz, Nouari Saheb   +4 more
doaj   +1 more source

Efeito da umidade relativa na estabilidade dimensional de diferentes materiais restauradores

Brazilian Dental Science, 2010
O propósito deste estudo foi avaliar o efeito da umidade relativa na estabilidade dimensional dos cimentos restauradores ionoméricos Vidrion R (S.S.White) e Chelon Fil (ESPE), modificado por resina Vitremer (3M), resinas modificadas por poliácidos Compoglass (Vivadent) e Dyract (Dentsply)e a resina composta Z100 (3M). Foram confeccionados dez corpos-de-
Anadelia B. Soares, Mario Fernando Goes, Simonides Consani, Mario Alexandre C. Sinhoreti   +3 more
openaire   +1 more source

Integrating fossil data in ecological niche models to improve predictions of future habitat of Caribbean corals

Conservation Biology, EarlyView.
Abstract Ecological niche models (ENMs) are used to assess the abiotic preferences of species by linking their occurrences to the environmental conditions in which they live. We developed a fossil‐informed ENM framework that integrates mid‐Holocene and modern occurrences to test niche stability and reconstruct abiotic niche characteristics for four ...
Claire. M. Williams, Fernando Machado‐Stredel, Rowan C. Martindale, Corinne E. Myers   +3 more
wiley   +1 more source

Which, when, and where traits matter: functional trait‐mediated species associations shift with microenvironmental and climatic variation

New Phytologist, EarlyView.
Community‐level fitted relationship between spatial association Lij and trait dissimilarity (tDij) at the fine spatial scale (r = 40 mm; where r represents the radius around individuals of the focal species). Summary Predicting coexistence in species‐rich plant communities requires understanding the role of functional traits in species interactions and
Ezequiel Antorán, Joaquín Calatayud, Ana L. Peralta, Adrián Escudero, Ana M. Sánchez, Arantzazu L. Luzuriaga, Marcelino de la Cruz   +6 more
wiley   +1 more source