Results 51 to 60 of about 72,020 (164)

The Electrochemical Impedance Spectroscopy as a Diagnostic Tool of the Transformer Oil

open access: yesRevista Cubana de Ingeniería, 2014
The quality of the transformer oil is essential to ensure its right performance in electrical appliances such as transformers and switches, in which oil works as insulating. The necessity toguarantee such condition can be affected due to the law level of
Alexander Cueli Corugedo   +2 more
doaj   +1 more source

Return Migration and Contraceptive Use in Mexico

open access: yesStudies in Family Planning, Volume 57, Issue 3, Page 432-455, September 2026.
Abstract Return migration, whether voluntary or forced, can disrupt individuals’ lives as they navigate life in a country that may feel unfamiliar. This disruption often extends to healthcare, including reproductive care. The migration experience, combined with differences between healthcare systems—in terms of availability, accessibility, and ...
Ana P. Canedo, Manon Tremouille
wiley   +1 more source

EVALUACIÓN ELECTROQUÍMICA Y GRAVIMÉTRICA DE UN INHIBIDOR PARA LA ESTIMULACIÓN ÁCIDA DE POZOS

open access: yesAvances en Ciencias e Ingeniería, 2019
En este trabajo se evalúa el comportamiento electroquímico y gravimétrico de un inhibidor de corrosión para la estimulación ácida a pozos de petróleo.
Yosmari Adames   +5 more
doaj  

A Bibliometric‐Based Review of Biochar for Salt‐Affected Soil Restoration: Mapping Research Trends and Future Directions

open access: yesLand Degradation &Development, Volume 37, Issue 13, Page 8963-8985, 15 August 2026.
ABSTRACT In recent years, biochar has been studied for its range of applications. Recognized by the IPCC as a key Carbon Dioxide Removal (CDR) strategy, it also stands out as an important tool for reclaiming degraded lands, including vast global areas affected by salinity, such as those in China, India, and Australia.
Juciane Vieira de Assis Freire   +12 more
wiley   +1 more source

COMPORTAMIENTO CORROSIVO DE TUBOS DE LATÓN EN CONTACTO CON NAFTA Y AGUA RESIDUAL

open access: yesAvances en Ciencias e Ingeniería, 2020
The objective of the study was to evaluate the deterioration by corrosion of the tubes of a condenser, in contact with naphtha and residual water. Visual inspection revealed that the outer surface of the tubes was irregular, with abundant deposits and ...
Nelson F. Llovet de Armas   +2 more
doaj  

Assessing the Effects of Biodiesel Production on Sustainability: A Bayesian Two‐Stage Data Envelopment Analysis Approach

open access: yesSustainable Development, Volume 34, Issue 4, Page 5648-5668, August 2026.
ABSTRACT Sustainable development transforms production systems, requiring integrated environmental, social, and economic strategies. Energy systems are key agro‐industrial supply chains in developing countries. Brazil's soybean supply chain impacts Gross Domestic Product, mainly through exports.
Aline Veronese da Silva   +3 more
wiley   +1 more source

Sistema neural para previsão de tempo de perfuração de poços de petróleo [PDF]

open access: yes, 2005
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Ciência da Computação.Esta dissertação tem como objetivo mostrar como a abordagem conexionista pode ser utilizada na avaliação e previsão do
Coelho, Dennis Kerr
core  

El precio del petróleo: política y seguridad energéticas mundiales

open access: yes, 2004
La investigación está dividida en cuatro partes con seis capítulos. En el primer capítulo se presenta el trabajo con sus antecedentes y el planteamiento del estudio realizado.
Goens Everaert, Sandra Jeanne
core   +1 more source

Comportamiento electroquímico de inhibidor de corrosión utilizado en sistema de tope de columna de destilación atmosférica

open access: yesRevista CENIC Ciencias Químicas, 2022
El presente trabajo evaluó por métodos electroquímicos el desempeño electroquímico actual de un inhibidor de corrosión comercial, utilizado en el tope de la columna de destilación atmosférica.
Nelson Felipe LLovet de Armas   +2 more
doaj  

Chemical Recycling as a Tool for Enabling a Second Life for Polyesters

open access: yesSusMat, Volume 6, Issue 4, August 2026.
This review presents the elucidation of the life cycle of main polyesters, detailing end‐of‐life methods, with focus of solvolysis technologies, then an analysis of LCA and TEA on literature data, an original data analytic, and, finally, a current industrial mapping of the main processes with a critical perspective on the plastic life‐cycle ecosystem ...
Nícolas Soares Urruth   +5 more
wiley   +1 more source

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