Artikuluak-Ingeniaritza: Envíos recientes
Mostrando ítems 1-20 de 733
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Metal-Free Polymethyl Methacrylate (PMMA) Nanoparticles by Enamine “Click” Chemistry at Room Temperature
(MDPI, 2011)“Click” chemistry has become an efficient avenue to unimolecular polymeric nanoparticles through the self-crosslinking of individual polymer chains containing appropriate functional groups. Herein we report the synthesis ... -
Role of specific interactions on fiber formation in the electrospinning of poly (vinyl phenol)/ poly (vinyl pyrrolidone) blend solutions
(Wiley, 2009)The minimum concentration (Ci) required for electrospinning polymeric fibers from solutions of mixtures of poly(vinyl phenol) and poly(vinyl pyrrolidone) has been experimentally determined for different blend compositions. ... -
Easy-dispersible poly(glycidyl phenyl ether)-functionalized graphene sheets obtained by reaction of "living'' anionic polymer chains
(Royal Society of Chemistry, 2012)Excellent dispersion of functionalized graphene (FG) sheets in polystyrene was achieved relying on the reaction of “living” poly(glycidyl phenyl ether) chains onto graphene sheets. The physical aging of polystyrene was ... -
Naked and Self-Clickable Propargylic-Decorated Single-Chain Nanoparticle Precursors via Redox-Initiated RAFT Polymerization
(Wiley, 2012)Protection of acetylenic monomers is a common practice to avoid parasitic side reactions during polymerization. Herein, we report that redox-initiated RAFT polymerization allows the direct, room temperature synthesis of a ... -
On the Apparent SEC Molecular Weight and Polydispersity Reduction upon Intramolecular Collapse of Polydisperse Chains to Unimolecular Nanoparticles
(ACS Publications, 2011)When unimolecular particles of molecular weight M are formed by intramolecular cross-linking of individual polymer chains, a significant reduction in hydrodynamic radius and, hence, apparent molecular weight (Mapp) is found ... -
Electrospinning of waterborne polyurethanes
(Wiley, 2010)Polyurethane (PU) fibers were obtained by electrospinning of waterborne PU dispersions. As dispersion cannot be electrospun, a water-soluble polymer (poly (ethylene oxide) (PEO)) was dissolved in the PU dispersion and ... -
Electrospinning of poly (2-ethyl-2-oxazoline)
(Springer Nature, 2009)Poly (2-ethyl-2-oxazoline) (PEOZ) is one of the commercial members of a family of materials that have shown significant application potential in a large number of technological contexts, most of them related with biomedical ... -
An experimental methodology to improve the robotic drilling of aluminium alloys
(Elsevier, 2025)In aeronautics, mastering the drilling process is crucial to meet strict quality standards. While robots provide a cost-effective solution for drilling large, complex parts, challenges arise in metallic materials due to ... -
Effect of the supporting disks shape on nonlinear flow dynamics in a liquid bridge
(AIP Publishing, 2021)The stability of convective flows in a non-homogeneous temperature field is affected by the shape of the container hosting the fluid. We present a nonlinear two-phase computational study of convection in a liquid bridge ... -
A ternary mixture at the border of Soret separation stability
(Royal Society of Chemistry, 2021)Ternary mixtures with the Soret effect are prone to triple-diffusive convection in a thermal field. The Soret coefficients of the toluene–methanol–cyclohexane mixture, measured in microgravity at a given composition ... -
Estimation of the epidemiology of dementia and associated neuropsychiatric symptoms by applying machine learning to real-world data
(Elsevier, 2022)Introduction Incidence rates of dementia-related neuropsychiatric symptoms (NPS) are not known and this hampers the assessment of their population burden. The objective of this study was to obtain an approximate estimate ... -
El componente experiencial para la apropiación tecnológica
(Dyna, 2019)Actualmente, la evolución exponencial de los avances tecnológicos en entornos de trabajo, está generando disrupción y cambios de paradigma continuos. La tecnología ha tomado un rol transformacional y la digitalización está ... -
An Industry 4.0 maturity model for machine tool companies
(Elsevier, 2020)Industry 4.0 is the new productive paradigm that is driving the 4th industrial revolution. The specific difficulties in adapting to this new approach pose challenges for Machine Tool (MT) companies, mostly Small and Medium ... -
An interpretable operational state classification framework for elevators through Convolutional Neural Networks
(Wiley, 2025)Ensuring the safe, reliable, and cost-efficient operation of transportation systems such as elevators is critical for the maintenance of civil infrastructures. The ability to monitor the health state and classify different ... -
Thermodiffusion and molecular diffusion in binary n-alkane mixtures: experiments and numerical analysis
(Taylor&Francis, 2011)New experimental data on the thermodiffusion and molecular diffusion coefficients of nine non-equimolar binary mixtures of () at 298 K and 1 atm have been reported. The data have been obtained using a combination of the ... -
Measurement of thermodiffusion coefficient of hydrocarbon binary mixtures under pressure with the thermogravitational technique
(AIP Publishing, 2012)It was designed and constructed a new thermogravitational column able to operate at high pressures (up to 50 MPa). This new thermogravitational column is of the cylindrical type with closed ends. It is made of stainless ... -
Benchmark values for the Soret, thermodiffusion and molecular diffusion coefficients of the ternary mixture tetralin+isobutylbenzene+n-dodecane with 0.8-0.1-0.1 mass fraction
(Springer Nature, 2015)With the aim of providing reliable benchmark values, we have measured the Soret, thermodiffusion and molecular diffusion coefficients for the ternary mixture formed by 1,2,3,4-tetrahydronaphthalene, isobutylbenzene and ... -
A comprehensive study of diffusion, thermodiffusion, and Soret coefficients of water-isopropanol mixtures
(AIP Publishing, 2012)We report on the measurement of diffusion (D), thermodiffusion (DT), and Soret (ST) coefficients in water-isopropanol mixtures by three different instrumental techniques: thermogravitational column in combination with ... -
Thermodiffusion, molecular diffusion and Soret coefficient of binary and ternary mixtures of n-hexane, n-dodecane and toluene
(Springer Nature, 2014)In this study, the thermodiffusion, molecular diffusion, and Soret coefficients of 12 binary mixtures composed of toluene, n-hexane and n-dodecane in the whole range of concentrations at atmospheric pressure and temperatures ... -
Contribution to thermodiffusion coefficient measurements in DCMIX project
(Elsevier, 2015)In this work we carefully measured the thermodiffusion coefficient of four ternary mixtures of 1,2,3,4-tetrahydronaphthalene, isobutylbenzene and n-dodecane at 25 °C and at mass fractions of: 10/80/10, 10/10/80, 40/20/40 ...
