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Exploration of conceptions and attitudes of chemical engineers from Bogotá and Manizales about chemical engineering
(UniandesMaestría en EducaciónFacultad de Educación, 2018)
"Background and purpose: It is expected to identify and compare the structure and genesis of the conceptions and attitudes of students of chemical engineering and chemical engineers graduated from Bogotá and Manizales, on ...
20 años de la comercialización mundial de cultivos biotecnológicos
(2016-11)
The use of living organisms to obtain goods and services for humans is known as biotechnology. From these improvements are achieved such as higher nutritional quality, drought tolerance, pest resistance, and more. This ...
Evaluation Of The Performance Of The Riser In The Fluid Catalytic Cracking Process
(TAYLOR & FRANCIS INCPHILADELPHIA, 2015)
Study of the treatment of subbituminous coals by NaOH solutions
(1981)
A subbituminous coal from La Union (Chile) has been treated with aqueous NaOH solutions. The quantity of coal solubilized and the elimination of ash was found to increase with increase in hydrolysis time, temperature and ...
A Tyrosinase Inhibitor from a Nitrogen-Enriched Chemically Engineered Extract
(American Chemical Society, 2019-09)
The enzyme tyrosinase is involved in the biosynthesis of melanin and the enzymatic browning of fruits and vegetables, and therefore, its inhibitors have potential to treat hyperpigmentary disorders or to function as food ...
Role of Pr on Ni-Mg-Al Mixed Oxides Synthesized by Microwave-Assisted Self-Combustion for Dry Reforming of Methane
(American Chemical Society, 2019)
Pr (1-12% wt) promoted Ni-Mg-Al mixed oxides were synthesized by the microwave-assisted self-combustion method. The promoting role of Pr on the physical and chemical properties and the catalytic performance in dry reforming ...
Interfacial tensions and phase behavior of alcohol-hydrocarbon-water-sodium chloride systems
(1987)
The phase behavior and interfacial tensions of mixtures of alcohol, alkane, water, and sodium chloride that split into two or three liquid phases at 25�C are reported as a function of type of alcohol and alkane and sodium ...