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Kuiper, S. (author), Jonker, W.A. (author), Maniscalco, M.P. (author), Priem, H. (author), Coolen, C. (author), Chun, M. (author), Baranec, C. (author), Lu, J. (author), Lai, O. (author)TNO and industrial partners VDL ETG, L3Harris and Hyperion are developing a novel Adaptive Secondary Mirror (ASM) for Ground Layer Adaptive Optics (GLAO) at the University of Hawaii’s 88-inch telescope on Mauna Kea. The ASM is based on a unique actuator principle which delivers a >30µm PV 99% linear stroke at a very high efficiency in terms of...conference paper 2019
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Veraar, R.G. (author), Wieling, W.P.W. (author)Solid Fuel Ramjet (SFRJ) technology is a very attractive propulsion option to extend the range of gun launched projectiles mainly due to the combination of high specific impulse inherent to airbreathing propulsion and mechanical properties of the solid fuel capable of withstanding the very high launch loads in the gun. In 2004, the Netherlands...conference paper 2018
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- li Piani, T. (author), Weerheijm, J. (author), Koene, L. (author), Sluys, L.J. (author) conference paper 2018
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Stipetic, S. (author), Miebach, W. (author), Wilkins, S. (author), Lomonova, E.A. (author), Paulides, J.J.H. (author), Tegenbosch, J. (author)Design of high performance, low cost and clean propulsion systems requires multiple disciplines such as physics, mathematics, electrical engineering, mechanical engineering and specialisms like control engineering and safety. This paper details the program of EU FP7 Multi-ITN project ADvanced Electric Powertrain Technology (ADEPT) and presents a...conference paper 2016
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Schelvis, R.M.C. (author), Wiezer, N.M. (author), Blatter, B.M. (author), van Genabeek, J.A.G.M. (author), Oude Hengel, K.M. (author), Bohlneijer, E.T. (author), van der Beek, A.J. (author)Background The importance of process evaluations in examining how and why interventions are (un) successful is increasingly recognized. Process evaluations mainly studied the implementation process and the quality of the implementation (fidelity). However, in adopting this approach for participatory organizational level occupational health...article 2016
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Wierenga, D. (author), Engbers, L.H. (author), van Empelen, P. (author), van Mechelen, W. (author)Objective: The aim of this study was to evaluate the use of and adherence to a 7-step strategy for the development, implementation, and continuation of a comprehensive, multicomponent lifestyle program. Methods: Strategy use and adherence was assessed with 12 performance indicators. Data were collected by combining onsite monitoring with semi...article 2016
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Attema, T. (author), van Maanen, P.P. (author), Meeuwissen, E. (author)This paper concerns multi-agent models predicting Twitter trends. We use a step-wise approach to develop a novel agent-based model with the following properties: (1) it uses individual behavior parameters for a set of Twitter users and (2) it uses a retweet graph to model the underlying social network structure of these Twitter users to predict...conference paper 2015
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Szewczuk, S. (author), von Gavel, S. (author), Verhagen, W.P. (author), Schreuder, M.H. (author), Marnphweli, S. (author), McMaster, A. (author)There is a genuine opportunity for the developing world and rural areas to leapfrog the conventional Western paradigm of power. Where conventional electricity delivery is reliant on expensive, polluting and centrally controlled generation (with its spider web of infrastructure and dependence on decades-old technologies), the developing world can...conference paper 2014
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Giodini, S. (author), Lovisari, L. (author), Pointecouteau, E. (author), Ettori, S. (author), Reiprich, T.H. (author), Hoekstra, H. (author)Well-calibrated scaling relations between the observable properties and the total masses of clusters of galaxies are important for understanding the physical processes that give rise to these relations. They are also a critical ingredient for studies that aim to constrain cosmological parameters using galaxy clusters. For this reason much effort...article 2013
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Zhao, D. (author), Serdijn, W.A. (author), Huang, L. (author), Dolmans, G. (author)The wide range of wireless body area network (WBAN) applications gives rise to different system requirements for the carrier frequencies and data rates. In order to accommodate various standards in WBAN applications, a universal receiver system with good performance and low power is highly desirable. The subsampling receiver architecture is one...conference paper 2011
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Offermans, P. (author), Schaafsma, M.C. (author), Rodriguez, S.R.K. (author), Zhang, Y. (author), Crego-Calama, M. (author), Brongersma, S.H. (author), Gómez Rivas, J. (author)We demonstrate an improvement by more than 1 order of magnitude of the figure of merit (FoM) of plasmonic nanoparticle sensors by means of the diffractive coupling of localized surface plasmon resonances. The coupling in arrays of nanoparticles leads to Fano resonances with narrow line widths known as surface lattice resonances, which are very...article 2011
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Houweling, H. (author), Spaendonck, M.C.V. (author), Paulussen, T. (author), Verweij, M. (author), Ruitenberg, E.J. (author)WHO have long called for universal vaccination against hepatitis B worldwide. However, in north-western Europe low incidence of the disease has fueled debate whether targeted or universal vaccination strategies are the way to go for. Careful assessment has made it clear that the extensive targeted hepatitis B vaccination programmes in the...article 2011
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Kronemeijer, A.J. (author), Huisman, E.H. (author), Katsouras, I. (author), van Hal, P.A. (author), Geuns, T.C.T. (author), Blom, P.W.M. (author), van der Molen, S.J. (author), de Leeuw, D.M. (author), TNO Industrie en Techniek (author)Electrical transport of a highly doped disordered conducting polymer, viz. poly-3,4-ethylenedioxythiophene stabilized with poly-4-styrenesulphonic acid, is investigated as a function of bias and temperature. The transport shows universal power-law scaling with both bias and temperature. All measurements constitute a single universal curve, and...article 2010
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Neerincx, M.A. (author), Cremers, A.H.M. (author), Kessens, J.M. (author), van Leeuwen, D.A. (author), Truong, K.P. (author), TNO Defensie en Veiligheid (author)This paper presents a methodology to apply speech technology for compensating sensory, motor, cognitive and affective usage difficulties. It distinguishes (1) an analysis of accessibility and technological issues for the identification of context-dependent user needs and corresponding opportunities to include speech in multimodal user interfaces...article 2009
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Uilenburg, N. (author), de Kauffman-Boer, M. (author), van der Ploeg, K. (author), Oudesluys-Murphy, A.M. (author), Verkerk, P. (author), TNO Kwaliteit van Leven (author)The objective of this study was to investigate whether universal neonatal hearing screening could be integrated in the youth health care program. The screening was performed by nurses of the well baby clinics. A three stage transient evoked otoacoustic emission screening was performed in three different screening settings in order to study the...article 2009
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van der Ploeg, C.P.B. (author), Lanting, C.I. (author), de Kauffman-Boer, M.A. (author), Uilenburg, N.N. (author), de Ridder-Sluiter, J.G. (author), Verkerk, P.H. (author), TNO Kwaliteit van Leven (author), KvL (author)Objective: To investigate whether false-positive outcomes on neonatal hearing screening cause long-lasting parental concerns. Methods: A general population of parents whose children had participated in the universal neonatal hearing screening (UNHS) programme were examined. Parents filled out a questionnaire 6 months after UNHS. Outcomes were...article 2008
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Spaan, S. (author), Schinkel, J. (author), Wouters, I.M. (author), Preller, L. (author), Tielemans, E. (author), Nij, E.T. (author), Heederik, D. (author), TNO Kwaliteit van Leven (author)Objectives: Workers in many industries are exposed to endotoxins, which may cause adverse health effects. In exposure assessment, information about exposure variability is essential. However, variability in exposure has rarely been investigated for biological agents and more specifically for endotoxin. Therefore, variance components and...article 2008
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TNO Kwaliteit van Leven (author), Beckers, D.G.J. (author), van Hooff, M.L.M. (author), van der Linden, D. (author), Kompier, M.A.J. (author), Taris, T.W. (author), Geurts, S.A.E. (author)Objectives: This study aimed at opening up the black box of overtime work among university faculty members by providing information on (i) when faculty members work overtime, (ii) what activities are undertaken during overtime, and (iii) how overtime is experienced. Methods: Data were collected among 120 Dutch faculty members who completed a...article 2008
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TNO Kwaliteit van Leven (author), Grote, F.K. (author), Oostdijk, W. (author), de Muinck Keizer-Schrama, S.M.P.F. (author), van Dommelen, P. (author), van Buuren, S. (author), Dekker, F.W. (author), Ketel, A.G. (author), Moll, H.A. (author), Wit, J.M. (author)Background: As abnormal growth might be the first manifestation of undetected diseases, it is important to have accurate referral criteria and a proper diagnostic work-up. In the present paper we evaluate the diagnostic work-up in secondary health care according to existing consensus guidelines and study the frequency of underlying medical...article 2008
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Hooff, M.L.M. (author), Geurts, S.A.E. (author), Kompier, M.A.J. (author), Taris, T.W. (author)Objectives: Effort-recovery theory (Meijman and Mulder in Handbook of work and organizational psychology, Psychology Press/Erlbaum, Hove, pp 5-33, 1998 proposes that effort expenditure may have adverse consequences for health in the absence of sufficient recovery opportunities. Thus, insight in the relationships between effort and recovery is...article 2007
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