Mostrando ítems 81-90 de 96
Gutiérrez González, José María, 1953- (Fecha de defensa: 1984-11-22)
Este trabajo se ha concebido como continuación de otros anteriores, realizados en el Departamento de Química Técnica de la Facultad de Química de la Universidad de Barcelona, sobre sulfonación con SO(3) ...
Bernuz Fito, Efrem (Fecha de defensa: 2021-07-19)
For many years symmetry has been a useful concept in the study of the spatial organization of atoms in molecules or solids. The presence of symmetry elements in a given molecular structure gives a ...
Fernández González, Javier (Fecha de defensa: 1993-01-01)
Se han obtenido distintas aleaciones policristalinas de base cobre así como monocristalinas de ZuCnAlCo, las cuales han sido caracterizadas quimícamente, estructural y calorimétricamente. Se ha utilizado ...
Portell Bueso, Anna (Fecha de defensa: 2014-11-17)
This thesis is a multidisciplinary study of the solid state of squaric acid derivatives which combines approaches from areas such as crystal engineering, supramolecular chemistry and crystallography. ...
Casas Papell, Gemma (Fecha de defensa: 2022-07-19)
Since the industrial revolution, we have introduced thousands or tens of thousands of new synthetic compounds, originating a new environmental perturbation in the Earth’s system. Among these, there are ...
Riefolo, Fabio (Fecha de defensa: 2020-07-29)
Modern medical treatments are largely based on the ability of pharmacological drugs to interact with a molecular target in the human body (e.g., receptors) in order to evoke a physiological response. ...
Nicolás Galindo, Ernesto (Fecha de defensa: 1988-01-01)
Como se puede comprobar por la cantidad de ejemplos que se han descrito y siguen describiéndose en la literatura, la síntesis en fase sólida se ha erigido como un método extremadamente eficaz para la ...
Vaz, Rodolpho Fernando (Fecha de defensa: 2023-10-27)
[eng] Additive manufacturing (AM) is a process of creating a physical object by adding material layer by layer rather than removing material through machining. It is also known as 3D printing, as it ...
Mas-Ponte, David (Fecha de defensa: 2022-11-14)
[eng] Somatic cells accumulate mutations in their genome from a set of exogenous and endogenous processes. The interplay of DNA lesions and the DNA repair mechanisms in each cell shape the genetic ...
Lozano Reis, Pablo (Fecha de defensa: 2023-11-10)
[eng] Global warming and climate change, mostly due to the increasing concentration of greenhouse gases in the atmosphere, are producing devastating effects. Among the different greenhouse gases, CO2 ...