Results 31 to 40 of about 876 (166)

Spectral Nodal Methodology for Multigroup Slab-Geometry Discrete Ordinates Neutron Transport Problems with Linearly Anisotropic Scattering

open access: yesBrazilian Journal of Radiation Sciences, 2021
In this paper, we propose a numerical methodology for the development of a method of the spectral nodal class that generates numerical solutions free from spatial truncation errors.
Amaury Muñoz Oliva   +3 more
doaj   +1 more source

A Comparison of Machine Learning Approaches in Predicting Viscosity for Partially Hydrolyzed Polyacrylamide Derivatives

open access: yesVetor, 2023
Partially hydrolyzed polyacrylamides (HPAM) are widely used to modulate the viscosity of formulations. The appropriate application of a viscosity model can facilitate the idealization of new macromolecules and contribute to a better understanding of the
Kelly Cristine Da Silveira   +5 more
doaj   +1 more source

Prática de intervenção fonológica associada à leitura nas dificuldades de aprendizagem

open access: yesVértices, 2020
As dificuldades de aprendizagem são um tema relevante no ensino formal, motivando a realização de pesquisas para a identificação e intervenção do insucesso escolar, levando em consideração as fragilidades da educação e o reflexo da aprendizagem.
Andreza do Vale Gonçalves   +1 more
doaj   +1 more source

An alternative, easy and reproducible method of stabilization and ligature-induced periodontitis in mouse

open access: yesMethodsX, 2019
Periodontal disease is one of the most common causes of tooth loss in the world. Ligature-induced is the most used method to study periodontitis. Here, we describe a alternative, easy and accessible experimental technique of ligation in mice.
Suiane S.C. Pereira   +6 more
doaj   +1 more source

Do irrigation solutions used during root canal instrumentation influence the adhesion of glass fiber posts? A systematic review

open access: yesBrazilian Dental Science, 2023
Statement of problem: the bond strength between adhesive cement and root dentin can be affected by irrigation protocols. Purpose: therefore, the objective of this systematic review was to answer the following question: Do irrigation solutions used during
Irma Gonçalves Reys   +5 more
doaj   +1 more source

Padrões de precipitação e índices de erosividade para as chuvas de Seropédica e Nova Friburgo, RJ Rainfall patterns and erosion indices at Seropedica and Nova Friburgo, Rio de Janeiro - Brazil

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2005
Desenvolveu-se este trabalho com o objetivo de determinar os diferentes padrões de chuvas erosivas naturais, calcular os índices de erosividade EI30 e KE > 25 e ajustá-los aos dados mensais de precipitação para as regiões de Seropédica e Nova Friburgo ...
Daniel F. de Carvalho   +4 more
doaj   +1 more source

Business Networks in Small Textile Entrprises: The Case Of Nova Friburgo-Brasil [PDF]

open access: yes, 2007
Business Networking is an innovative business paradigm that can help companies to remain competitive in the market. Nevertheless, its practical implementation is very complicated because of the several dimensions that it involves. There are several cases of business network cooperation; however, each one has its particular characteristics that ...
Américo Azevedo, Luisa Faria
openaire   +1 more source

Salivary Markers as Diagnostic Tool for Dental Caries, Periodontal Disease and Peri-implantitis: A Literature Review [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2021
Biomarkers are molecules that can be used in screening, diagnosing, characterising, and monitoring diseases, or as prognostic indicators. There are many salivary molecules that can be used as biomarkers of oral diseases such as enzymes, specific and non
Bruno Pires Miranda   +3 more
doaj   +1 more source

Evaluation of Thermal Degradation Kinetics of Hybrid Cellulose Acetate Membranes using Isoconversional Methods

open access: yesVetor, 2022
Cellulose acetate membranes are widely used in industry, emphasizing water purification processes, such as desalination. With some limiting mechanical properties, the synthesis of hybrid membranes appears as an alternative for developing high ...
Gesiane Mendonça Ferreira   +4 more
doaj   +1 more source

Bilayer graphene kirigami

open access: yesCarbon Trends, 2022
Since the experimental demonstration of the kirigami technique for graphene in 2015, several studies have been conducted exploring its diverse impacts on the properties and behavior of graphene.
Alexandre M. Barboza   +3 more
doaj   +1 more source

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