Badía Valiente, José David; Strömberg, Emma Marie; Ribes Greus, María Desamparados; Karlsson, Sigbritt(ELSEVIER SCIENCE BV, 2011)
[EN] The sample preparation procedure for MALDI-TOF MS of polymers is addressed in this study by the application of a statistical Design of Experiments (DoE). Industrial poly (ethylene terephthalate) (PET) was chosen as ...
Polymers are subjected to physical and chemical changes during their processing, service life, and further recovery, and they may also interact with impurities that can alter their composition. These changes substantially ...
Imaginemos una población reducida y estabilizada, sin cultura del consumo, en
un marco económico que incorpora plenamente el impacto ambiental, en el que
el uso de los recursos es mínimo y el concepto de 'residuo' no ...
The study presented in this paper has been carried out using a highly fractional factorial experimental design. This design allows the analysis of a greater number of factors and levels with a reduced number of mixes. In ...
Martínez-Arranz, Sheila; Carrera, Nora; Albéniz, Ana C.; Espinet, Pablo; Vidal Moya, José Alejandro(Wiley-VCH Verlag, 2012-12)
[EN] The Stille coupling can be carried out in a batch process using insoluble tin supports. The
new type of support consists of stannylated polymers based on the vinylic polynorbornene skeleton that allow one to use a ...
Nowadays environmental problems have become one of the most severe problems confronted by human
beings, and cannot be avoided wherever you are. Protect the earth as well as our shared living space has
to be the consensus ...
[ES] Si se observa cómo ha evolucionado la arquitectura a lo largo del tiempo se aprecia la íntima relación de esta con las necesidades humanas de cada época, adaptándose a los acontecimientos sociales. Actualmente, la ...
Parres, F.; Crespo Amorós, José Enrique(Wiley-Blackwell, 2011-07-05)
This work was divided into three parts. First, high-impact polystyrene (HIPS) was submitted to a series of extrusion cycles with the objective of evaluating the consequent variations in its thermal and mechanical properties. ...
Papariantafyllou, Eirini; Makropoulos, Christos(13th International Conference of Environmental Science and Technology, 2013-09-05)
In the context of water scarcity the interest in the reuse of treated wastewater as an alternative resource for non-potable uses has increased. Recent changes in the regulatory framework (JMD 145116/2011) and the introduction ...
Badía Valiente, José David; Monreal Mengual, Llúcia; Sáenz de Juano Arbona, Víctor; Ribes Greus, María Desamparados(Elsevier, 2014-09)
The effects of multiple mechanical recycling on amorphous polylactide (PLA) were simulated by means of
five successive injection-grinding cycles. The influence of the induced thermo-mechanical degradation
on the dielectric ...
[ES] El presente trabajo de fin de grado está destinado al diseño y realización de una gama de
contenedores de reciclaje domésticos (Contenedores de papel y cartón, envases y pilas). Estos
contenedores se diseñan con ...
[ES] Este trabajo tiene como objetivo el estudio del diseño, cálculo y fabricación de una cubertería básica compuesta por tenedor, cuchara y cuchillo de un material termoplástico reciclable, teniendo en cuenta que su ...
[EN] This Master’s thesis analyzes the current state of the art of plastic packaging in relation to its recycling. The plastic sector is undergoing a crisis, it is under social pressure and it is within a context of ...
[ES] El uso masivo de plásticos es uno de los mayores problemas que afrontan las sociedades modernas actuales. Este uso está incentivado principalmente por el bajo coste de obtención y de procesamiento de los materiales ...
Castellanos Gómez, Raúl; García Dorce, Cristina Quiteria(Pontificia Universidad Católica de Chile, Escuela de Arquitectura, 2014-12)
[EN] The relocation of slums, the abrupt shift from a hut to modern
and hygienic homes, and the effort to connect past and future
through its own model of habitat will shape the district of
Carrières-Central in Casablanca ...
Navarro Bosch, Ana María; Pérez de los Cobos Cassinello, Marta; Bosch Reig, Ignacio(Instituto Universitario de Restauración del Patrimonio de la UPV, 2010)
Tomando como punto de partida la necesidad de tomar medidas ante la situación de crisis y punto de inflexión en el que se encuentra la arquitectura y, siendo conscientes de que la solución pasa por un cambio fundamentalmente ...
El siguiente trabajo plantea la investigación de los procesos de reciclaje en la arquitectura, basados en la transformación de la vivienda colectiva, en edificaciones preexistentes. Donde se analiza el desarrollo de ...
[ES] Las prácticas ilegales como el beaching para llevar a cabo el desarrollo de las actividades asociadas al desguace y reciclaje de buques en la actualidad suponen un gran peligro tanto para el medioambiente como para ...
Serrano, A.; Espinach, F. X.; Tresserras, José; Rey Tormos, Romina María del; Pellicer, Neus; Mutje Pujol, Pere(Elsevier, 2014-03)
Stiffness is one of the most relevant characteristics of composite materials. Natural wood fibers have demonstrated their ability to increase the Young's moduli of composite materials, and old newspapers are a potential ...
Sánchez-Dehesa Moreno-Cid, José; García Chocano, Víctor Manuel; Torrent Martí, Daniel; Cervera Moreno, Francisco Salvador; Cabrera García, Suitberto; Simon, Francisco(Acoustical Society of America, 2011-03)
A systematic study of noise barriers based on sonic crystals made of cylinders that use recycled materials like absorbing component is reported here. The barriers consist of only three rows of perforated metal shells filled ...