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Kinetic study of the nopol synthesis by the Prins reaction over tin impregnated MCM-41 catalyst with ethyl acetate as solvent
(2014)
The kinetics of the catalytic synthesis of nopol from b-pinene and paraformaldehyde over Sn-MCM-41 catalyst and using ethyl acetate as solvent is presented and compared with previous studies in toluene. Reaction rate data ...
Caribbean Report 21-06-1995
(The British Broadcasting Corporation, 1995-06-21)
In this report: Trinidad and Tobago's former Attorney General Selwyn Richardson is gunned down in the driveway of his home. The public expressed anger and concern on local radio stations following the shooting. Dr. Keith ...
Caribbean Report 22-08-1995
(The British Broadcasting Corporation, 1995-08-22)
In this report, there is more activity from Montserrat's volcano. The British guard ship, HMS Southampton is stationed off Montserrat to assist in evacuation and its Commander Keith Winstanley states they were well placed ...
Automedicación en estudiantes de la Sede Neiva de la Universidad Cooperativa de Colombia
SUMMARY Self-medication is a dangerous practice with consequences including masking of disease, adverse reactions to medications, drug interaction, resistance to certain types of therapeutic agents and drug dependence. The ...
Re-print of “Intestinal luminal nitrogen metabolism: Role of the gut microbiota and consequences for the host”
(Elsevier, 2013)
Alimentary and endogenous proteins are mixed in the small intestinal lumen with the microbiota.
Although experimental evidences suggest that the intestinal microbiota is able to incorporate and degrade
some of the available ...
Intestinal luminal nitrogen metabolism: Role of the gut microbiota and consequences for the host
(Elsevier, 2013)
Alimentary and endogenous proteins are mixed in the small intestinal lumen with the microbiota.
Although experimental evidences suggest that the intestinal microbiota is able to incorporate and degrade
some of the available ...
Application of Pyrolysis for the Evaluation of Organic Compounds in Medical Plastic Waste Generated in the City of Cartagena-Colombia Applying TG-GC/MS
(Cartagena de IndiasCampus Tecnológico, 2023-03-11)
In this study, the thermal degradation and pyrolysis of hospital plastic waste consisting of polyethylene (PE), polystyrene (PS), and polypropylene (PP) were investigated using TG-GC/MS. The identified molecules with the ...
Simulação e otimização do processo de purificação do hexametilenodiamina (HMD) e determinação das características das colunas de destilação
(Universidade Tecnológica Federal do ParanáLondrinaBrasilEngenharia QuímicaUTFPR, 2022-05-30)
Hexamethylenediamine (HMD) is an amine that has several applications mainly used for nylon manufacture. The formation reaction of HMD occurs through the hydrogenation of adiponitrile (ADN), which passes through an intermediate, ...