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Quintanilla, A. (author), Casas, J.A. (author), Rodriquez, J.J. (author), Kreutzer, M.T. (author), Kapteijn, F. (author), Moulijn, J.A. (author)Wet oxidation of phenol over an Fe/activated carbon catalyst has been studied in a trickle-bed reactor in the following operational window: inlet C phenol=0.5 and 1 g/L, T=100-127 ºC, PT=3-8 atm, W=0-4.8 g, QL=0.125-2 mL/min and QO2=91.6 NmL/min. The experiments were carried out in the absence of mass transfer limitations. Oxidation and...journal article 2007
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Simonov, A.N. (author), Vdovine, G.V. (author), Loktev, M. (author)We present a prototype of an adaptive intraocular lens based on a modal liquid-crystal spatial phase modulator with wireless control. The modal corrector consists of a nematic liquid-crystal layer sandwiched between two glass substrates with transparent low- and high-ohmic electrodes, respectively. Adaptive correction of ocular aberrations is...journal article 2007
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Hinnen, K. (author), Verhaegen, M.H.G. (author), Doelman, N. (author)A recently proposed data-driven H2-optimal control approach is demonstrated on a laboratory setup. Most adaptive optics (AO) systems are based on a control law that neglects the temporal evolution of the wavefront. The proposed control approach is able to exploit the spatiotemporal correlation in the wavefront without assuming any form of...journal article 2007
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Loktev, M. (author), Vdovine, G.V. (author), Klimov, N. (author), Kotova, S. (author)A novel liquid crystal (LC) wavefront corrector with smooth modal influence functions is proposed and realized. The device consists of a thin layer of planar aligned nematic LC sandwiched between a glass plate with a conductive electrode and a plate made of ceramic material with a very high dielectric constant. Control electrodes are positioned...journal article 2007
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Vuelban, E.M. (author), Bhattacharya, N. (author), Braat, J.J.M. (author)We propose and demonstrate a novel liquid deformable mirror, based on electrocapillary actuation, for highorder wavefront correction. The device consists of a two-dimensional array of vertically oriented microchannels filled with two immiscible liquids, an aqueous electrolyte, and a viscous dielectric liquid, where the dielectric liquid...journal article 2006
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- Reverter, F. (author), Li, X. (author), Meijer, G.C.M. (author) journal article 2006
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Doorenbosch, C.A.M. (author), Harlaar, J. (author), Veeger, D.J. (author)Positions of the shoulder joint are commonly described in terms of degrees of humeral elevation in the principal planes. This approach is inadequate for an accurate and unambiguous description of functional arm movements that are not confined to these planes. In this paper, a general unambiguous method for describing shoulder positions is...journal article 2003
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Xiong, X. (author), Van Breugel, K. (author)Apparent activation energy (E) is generally used to consider the effect of temperature on the kinetics of cement hydration in the numerical simulation of cement hydration processes. This paper deals with an experimental study on the kinetics of Portland cement and blast furnace slag cement using isothermal Calorimetry at 20, 30, and 40°C. Two...journal article 2001
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De Rooij, M.R. (author), Bijen, J.M.J.M. (author)Optical microscopy using thin sections has become more and more important over the last decade to study concrete. Unfortunately, this technique is not capable of studying actually hydrating cement paste. At Delft University of Technology a new technique has been developed using 'active' thin sections. This technique allows microscopic...journal article 1999
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- Vischjager, D.J. (author), Van der Put, P.J. (author), Schram, J. (author), Schoonman, J. (author) journal article 1988