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Mostrando ítems 531-539 de 539
Photostability enhancement in oligo (phenylene vinylene) systems and their application as heterogeneous photocatalysts
(Universidad Nacional de ColombiaBogotá - Ciencias - Doctorado en Ciencias - QuímicaDepartamento de QuímicaFacultad de CienciasBogotá, ColombiaUniversidad Nacional de Colombia - Sede Bogotá, 2022-08-25)
The first chapter revises the most relevant aspects of phenylene vinylene (PV) systems applied to photocatalysis. Despite the photochemical applications of these conjugated systems that have been widely described and involve ...
Respuesta fisiológica del tomate de árbol (Solanum betaceum Cav.) a diferentes regímenes hídricos y niveles de fertilizante, en un suelo andisol del departamento de Nariño
(Palmira - Ciencias Agropecuarias - Doctorado en Ciencias AgrariasDoctorado en Ciencias AgrariasUniversidad Nacional de Colombia - Sede Palmira, 2020-09-22)
One of the main challenges in modern agriculture is to make a more sustainable use of water and plant nutrition. The objective of the research was to evaluate the physiological response of the tree tomato to different water ...
Study of the interaction between oligomers from the heavy fraction of the bio-oil and the catalyst in hydrotreatment process
(Universidad Nacional de ColombiaMedellín - Minas - Doctorado en Ingeniería - Sistemas EnergéticosFacultad de MinasMedellín, ColombiaUniversidad Nacional de Colombia - Sede Medellín, 2023-06-05)
Biomass fast pyrolysis bio-oil is a promising alternative to be used as a source of fuels and chemicals. It hosts a wide variety of compounds and comes from renewable sources. Pyrolysis oil is formed by water, light organics ...
Study of the interaction between the oligomers from bio-oil heavy fraction and a catalyst in hydrotreatment process
(Universidad Nacional de ColombiaMedellín - Minas - Doctorado en Ingeniería - Sistemas EnergéticosFacultad de MinasMedellín, ColombiaUniversidad Nacional de Colombia - Sede Medellín, 2023-06-01)
Biomass fast pyrolysis bio-oil is a promising alternative to be used as a source of fuels and chemicals. It hosts a wide variety of compounds and comes from renewable sources. Pyrolysis oil is formed by water, light organics ...
Nanoparticles in fossil and mineral fuel sectors and their impact on environment and human health: A review and perspective
(Corporación Universidad de la Costa, 2021)
w.k: a/v* *(working title: audiovisual)
(Facultad de Artes y HumanidadesManizalesArtes Plásticas, 2023)
Efectos de los factores climáticos de producción sobre la extracción de nitrógeno, calcio y potasio en cultivos de fresa (Fragaria ananassa Deuch cv Albión).
(Universidad Nacional de Colombia - Sede Bogotá, 2019-12-20)
Fertilization is important to express the genetic potential of plants, its proper growth and development in addition to the high yield of crops, this practice, is directly related with nutrient absorption, and this in turn, ...
Measurement Of Pion, Kaon And Proton Production In Proton-proton Collisions At Root S=7 Tev
(SPRINGERNEW YORK, 2015)
Efecto de las propiedades estructurales de la partícula sobre la liberación de moléculas encapsuladas en sistemas lipídicos coloidales
(Bogotá - Ciencias - Doctorado en Ciencias FarmacéuticasDepartamento de FarmaciaUniversidad Nacional de Colombia - Sede Bogotá, 2020-01-16)
Las nanopartículas sólidas lipídicas (SLN) y los transportadores lipídicos nanoestructurados (NLC) han atraído la atención durante más de dos décadas como una alternativa para la entrega de fármacos poco solubles en agua. ...