Results 71 to 80 of about 9,843 (186)

Factors influencing the charge distribution on Pd x Pt y bimetallic nanoparticles

Revista Ion, 2013
We performed quantum mechanics calculations to elucidate the electronic behavior of Pd-Pt bimetallic nanoparticles, using density functional theory, in response to particle size and stoichiometric composition.
Carlos M. Celis-Cornejo, J. Leonardo Gómez-Ballesteros, Sonia A. Giraldo   +2 more
doaj  

EVALUATING THE FUNCTIONALITIES OF NiMo/γ-Al2O3B2O3 CATALYSTS IN NAPHTHALENE HYDRODEAROMATIZATION AND DIBENZOTHIOPHENE HYDRODESFULFURIZATION

CT&F Ciencia, Tecnología & Futuro, 2010
The aim of this work is to contribute to the current understanding on the role of the support's acidic properties in the hydrogenating function of NiMo/γ-Al2O3 type catalysts during hydrodearomatization (HDA) and dibenzothiophene (DBT) type molecules ...
Víctor-G Baldovino-Medrano, Aristóbulo Centeno, Sonia-A Giraldo   +2 more
doaj  

Effect of particle size and humidity on sugarcane bagasse combustion in a fixed bed furnace

Revista Ion, 2013
The panela industry is one of the most important Agro Industries in Colombia, making it the largest per- capita consumer and the second largest producer worldwide.
Zamir Sánchez Castro, Paola Gauthier-Maradei, Humberto Escalan te Hernández   +2 more
doaj  

Impacto de las Políticas Públicas sobre la Evolución del Índice de Precios de la Vivienda Nueva en Colombia (2005-2015): Un Análisis de Intervención

Telos: Revista de Estudios Interdisciplinarios en Ciencias Sociales, 2017
El actual trabajo tiene como finalidad determinar el impacto de las políticas públicas, (PIPE 1.0 y Viviendas 100% Subsidiadas) sobre la evolución del índice de precios de la vivienda nueva en Colombia para el periodo ...
Mayra Alejandra Cárdenas Cancino, Teresita Sanjuanelo Amaya, Héctor Romero, Eddy Johanna Fajardo Ortiz   +3 more
doaj  

OPERATING CONDITIONS INFLUENCE ON VMD AND SGMD FOR ETHANOL RECOVERY FROM AQUEOUS SOLUTIONS

CT&F Ciencia, Tecnología & Futuro
This work focuses on Vacuum Membrane Distillation (VMD) and Sweeping Gas Membrane Distillation (SGMD) as a separating technique of ethanol from aqueous solutions. VMD was studied at moderate temperature (30, 40 and 50°C) and pressure (0.11, 0.20 and 0.30
Ricardo-Javier Cotamo-De la Espriella, Fredy-Wsbaldo Barón-Núñez, Carlos-Jesús Muvdi-Nova   +2 more
doaj  

NEW APPROACH FOR COMPACTION PREDICTION IN OIL RESERVOIRS

CT&F Ciencia, Tecnología & Futuro
As reservoir fluids are produced, pore pressure decreases and compacting rock loses capacity to support the overburden pressure, while the effective stress increases rapidly leading to pore collapse.
Javier-Fernando Mendoza-Molina, Carlos-Andrés Mercado-Montes, Zuly-Himelda Calderón-Carrillo   +2 more
doaj  

Use of Instagram and its effect on the mental well-being of university students: A perspective from Pakistan. [PDF]

PLOS Glob Public Health
Qamar A, Ali I.
europepmc   +1 more source

The epidemic and socioeconomic factors shock: a long-term dynamic analysis of equity in infectious disease healthcare in China. [PDF]

Int J Equity Health
Hou L, Zhang C, Wang C, Wang Y, Guo J, Chen Y, Huang J.   +6 more
europepmc   +1 more source

Global quality of care trends for lip and oral cavity cancer: A quality of care index analysis, 1990-2021. [PDF]

Prev Med Rep
Zhang Y, Xu W, Wang H, Mao L, Sun J.
europepmc   +1 more source

Good and bad: how university innovation support influences college students' innovative behavior. [PDF]

BMC Psychol
Zhou L, Yan Q, Ni C, You Y, Peng J.
europepmc   +1 more source