Results 41 to 50 of about 14,259 (196)

One hundred years of teaching, research, and innovation in chemical engineering at the Faculty of Chemistry, National Autonomous University of Mexico (UNAM): Birthplace and enduring leadership of the discipline in Mexico

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
The teaching of chemical engineering in Mexico started in 1925 at the Faculty of Chemistry (FQ) of the National Autonomous University of Mexico (UNAM). Academic institutions, research centres, chemical companies, technological developments, highly trained personnel, and scientific contributions are part of the legacy from FQ‐UNAM.
Patricia Pérez‐Salinas   +4 more
wiley   +1 more source

Building Bridges with Blocks: Assisting digital library and Virtual Learning Environment integration through reusable middleware [PDF]

open access: yes, 2007
Various studies have reported that achieving effective use of increasingly heterogeneous scholarly objects within institutional learning and teaching frameworks is becoming critical to the performance of educational institutions.
Kennedy, Marion L   +3 more
core   +1 more source

Discrepancy between clinical-neurophysiological-neuroimaging examinations in lumbar spine degenerative disease: To the neurosurgeon the choice

open access: yesInterdisciplinary Neurosurgery, 2018
Background: Degenerative lumbar spinal surgery is preceded by diagnostic investigations, like clinical, radiological, neurophysiological ones. The presurgical evaluation is made easier by the concordance of the diagnostic investigations.
Chirchiglia Domenico, MD   +3 more
doaj   +1 more source

Synthesis and characterization of polymer networks obtained by conventional radical and RAFT copolymerization processes in supercritical carbon dioxide

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Conventional and RAFT dispersion copolymerizations of HEMA and EGDMA in supercritical CO2 are compared in terms of swelling index (crosslink density), morphology, particle size distribution, and modular differential scanning calorimetry. Abstract The syntheses of net‐poly((2‐hydroxyethylene methacrylate)‐co‐(ethylene glycol dimethacrylate ...
Patricia Pérez‐Salinas   +6 more
wiley   +1 more source

Building a Virtual Learning Environment to Foster Blended Learning Experiences in an Institute of Application in Brazil

open access: yesOpen Praxis, 2017
Blended learning, the combination of face-to-face teaching with a virtual learning environment (VLE), is the theme of this study that aims at describing and analyzing the implementation of a VLE in the Institute of Application Fernando Rodrigues da ...
Andrea da Silva Marques Ribeiro   +2 more
doaj   +3 more sources

Vapor-Liquid Equilibrium in the Acetic Acid-Ethanol-Ethyl Acetate-Water Quaternary System: Critical Literature Review and Thermodynamic Consistency of the Experimental Data

open access: yesChemistry, 2023
This study presents a critical review of the experimental vapor-liquid equilibrium (VLE) data for the quaternary acetic acid-ethanol-ethyl acetate-water system and its subsystems that are reported in the literature.
Georgii Misikov   +2 more
doaj   +1 more source

What You Say Predicts How You Do: A Multilevel Analysis of Corporate Environmental Performance

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT This study examines the relationship between firms' declarations about environmental issues and actual environmental performance improvement across a set of key environmental performance indicators. Multilevel regression analysis was conducted using a unique data set comprising 7449 firms from 22 industries headquartered in 86 countries for ...
C. José García   +2 more
wiley   +1 more source

‘I don't see myself there’ – Curriculum representation, epistemic exclusion and conditional belonging in higher education

open access: yesThe Curriculum Journal, EarlyView.
Abstract Curriculum representation has become a central concern within higher education, yet relatively little empirical research has examined how students interpret curriculum‐making and what these interpretations reveal about disciplinary knowledge and belonging.
Reece Sohdi
wiley   +1 more source

Are VLEs still worthwhile?

open access: yesJournal of Learning Development in Higher Education, 2020
This opinion piece considers the current value of Virtual Learning Environments (VLEs), and associated technologies such as e-portfolios, from the perspective of both lecturers and learners. Student satisfaction is discussed, and the relationship between VLE engagement and academic performance is considered. The piece concludes by highlighting the need
openaire   +4 more sources

A Modified van der Waals Mixture Theory for Associating Fluids: Application to Ternary Aqueous Mixtures [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2012
In this study a simple and general chemical association theory is introduced. The concept of infinite equilibrium model is re-examined and true mole fractions of associated species are calculated. The theory is applied to derive the distribution function
Seyed Foad Aghamiri   +3 more
doaj  

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