Now showing items 1-20 of 218

    A contribution to chemical process operation support: new machine learning and surrogate models based approaches for process optimization, supervision and control 

    Shokry Abdelaleem Taha Zied, Ahmed (Date of defense: 2021-05-05)

    In the chemical process industry, the decision-making hierarchy is inherently model-based. The scale and complexity of the considered models (e.g., enterprise, plant or unit model) depend on the decision-making level (e.g., ...

    A contribution to sustainable management of integrated material/energy networks in process industries 

    Morakabatchiankar, Shabnam (Date of defense: 2021-07-22)

    Towards sustainability forces process industries to change their traditional patterns. Therefore, efficient retrofitting has been a significant challenge and raised several issues, motivating the process system engineering ...

    A global approach for supporting operators' decision-making dealing with plant abnormal events 

    Yélamos Ruiz, Ignacio (Date of defense: 2008-05-30)

    El alto grado de automatización adquirido en las plantas químicas durante las últimas décadas hace que las tareas de supervisión sean ahora más complejas y delicadas. Esta supervisión requiere de sistemas y herramientas ...

    A study of epoxy composites for high thermal conductivty applications 

    Moradi, Sasan (Date of defense: 2021-07-08)

    Nowadays. both electronic and microelectronic circuits have great relevance and wide application in our daily lives and are increasingly being used with higher powers and frequencies. One of the main problems faced by their ...

    A theoretical approach to the engineering of bioinspired systems: design, applications & information management 

    Revilla López, Guillem (Date of defense: 2011-02-17)

    L’enginyeria de sistemes bioinspirats ha crescut en importància i nombre d’aplicacions en el últims anys, atraient l’atenció dels científics sobre els seus usos potencials en camps com ara la bionanotecnologia, la ...

    Advanced electrospun scaffolds based on biodegradable polylactide and poly(butylene succinate) for controlled drug delivery and tissue engineering 

    Llorens Domenjó, Elena (Date of defense: 2014-11-14)

    Electrospinning is a manufacturing process that uses an electric field to produce fibers from a polymer solution. The accumulation of these fibers conform a three-dimensional fiber matrix or scaffold. Fibers can be prepared ...

    Advanced oxidation process models for optimisation and decision making support in water management 

    Audino, Francesca (Date of defense: 2019-06-20)

    The objective of this thesis is contributing to the development of a systematic modelling approach for a more efficient and sustainable water management. The main aim is introducing Chemical and Process System Engineering ...

    Allosteric interactions at the M3 muscarinic acetylcholine receptor 

    Iarriccio Silva, Laura (Date of defense: 2008-07-29)

    The extracellular loops of muscarinic acetylcholine receptors are predicted to play a role in the binding and regulation of allosteric modulators. Furthermore, the sequence of the five subtypes of muscarinic receptors shows ...

    An investigation on automatic systems for fault diagnosis in chemical processes 

    Monroy Chora, Isaac (Date of defense: 2012-02-03)

    Plant safety is the most important concern of chemical industries. Process faults can cause economic loses as well as human and environmental damages. Most of the operational faults are normally considered in the process ...

    Anàlisi i control de cianurs i productes relacionats presents en aigües residuals i dissolucions de processos industrials mitjançant electroforesi capil.lar 

    Martí i Gregorio, Vicenç (Date of defense: 1997-01-30)

    Esta tesis consiste en la aplicación de la electroforesis capilar (CE) a la separación y cuantificación de especies cianuradas y al estudio del comportamiento de estas especies y de su destino final. Como material de estudio ...

    Antioxidant properties and applications of pecan (Carya illinoinensis) 

    Villasante Dueñas, Juliana (Date of defense: 2021-02-18)

    At the present time, the environmental challenges are the second concern on a global level, and the first one in some countries. This is one of the main reasons behind the recent boost of new methods of production within ...

    Antioxidant properties of extracts from selected plant materials (Caesalpinia spinosa, Perilla frutescens, Artemisia annua and Viola wittrockiana) in vitro and in model food systems 

    Skowyra, Monika (Date of defense: 2014-11-07)

    Phenolic compounds, ubiquitous in plants, are of considerable interest and are increasingly becoming a subject of intensive research due to their bioactive properties such as antioxidant, antimicrobial, anti-mutagenic, ...

    Aplicación de la fermentación láctica como estrategia de transformación y valoración de matrices vegetales 

    Benavides Martín, María Angélica (Date of defense: 2019-12-03)

    In Colombia, strategies are being promoted to increase fruit and vegetable production, in order to take advantage of agricultural potential. However, there are also high food losses, low consumption and low transformation. ...

    Application of computer simulation approaches to study the structure and properties of polymeric systems 

    Córdova-Mateo, Esther (Date of defense: 2014-12-12)

    The study at the nanoscopic level of the polymeric systems is a keystone for a deeper understanding of their internal structure and properties, not only at nanometric scale but also at macroscopic level. The disciplines ...

    Application of conducting polymers in nanobiotechnology 

    Dias, Bruno José da Cruz Teixeira (Date of defense: 2011-10-28)

    Esta tesis describe diferentes aplicaciones en el ámbito de la nanobiotecnología de los polímeros conductores generados electroquímicamente. El objetivo principal de la Tesis, que además es el nexo común de los diferentes ...

    Application of molecular simulation techniques to the design of nanosystems 

    Rodríguez Ropero, Francisco (Date of defense: 2009-12-14)

    Nanotechnology is a multidisciplinary branch of science and technology that involves a widerange of different fields such as chemistry, materials science, physics or chemical engineeringwhose goal is the production of new ...

    Application of ultrasound in twin-screw extrusion and microinjection molding: improvements of properties of processed materials and nanocomposites : polymers and biopolymers 

    Pérez Llanos, Germán Aníbal (Date of defense: 2022-02-18)

    The plastics industry is in constant evolution looking to improve the properties of new materials and performance in different applications. Currently, the environmental impact associated with the use of plastics is one ...

    Aprovechamiento de residuos agro-industriales : preparación de extractos, caracterización y uso en alimentos 

    Segovia Gómez, Francisco (Date of defense: 2015-12-01)

    Vegetables and fruits are foods that have large number of compounds beneficial to health, as well as being essential in the diet. Its components include the phenolic substances. These compounds have a great antiradical ...

    Avaluació d'alternatives industrials per a l'obtenció de nous materials que valoritzen residus queratínics 

    Casadesús Fusté, Marta (Date of defense: 2019-11-25)

    The worldwide poultry industry generates a large amount of wastes which, accordingly to the current law, are mostly discarded. These wastes include chicken feathers, keratin structures which 109.056.179 ton were generated ...

    Avaluació dels efluents d'una adoberia: Anàlisi microcoulombimètrica, cromatogràfica i ecotoxicològica 

    Gibert Rocavert, Carles (Date of defense: 2004-09-29)

    L'adob de pells ovines és un procés llarg i complex, en el que s'utilitza l'aigua com a vehicle per treure les parts no desitjables de la pell i introduir-hi productes químics per transformar-la. El resultat és la generació ...