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Fillinger, L. (author), Tamer, M.S. (author), van Es, M.H. (author), van der Lans, M.J. (author)The TNO Optomechatronics Department is developing various Scanning Probe Microscopy (SPM) techniques, including Sub-surface Atomic Force Microscopy (AFM), as a way to address challenges for nondestructive quality control of optically opaque samples. To support the research and technical developments and to extract quantitative data CD metrology...other 2019
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Sastre, F. (author), Versluis, C. (author), Meulendijks, N.M.M. (author), Rodriguez-Fernandez, J. (author), Sweelssen, J. (author), Elen, K. (author), van Bael, M.K. (author), den Hartog, T. (author), M.A. Verheijen, . (author), Buskens, P.J.P. (author)Methane, which has a high energy storage density and is safely stored and transported in our existing infrastructure, can be produced through conversion of the undesired energy carrier H2 with CO2. Methane production with standard transition-metal catalysts requires high-temperature activation (300−500 °C). Alternatively, semiconductor metal...article 2019
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Ghosh, M.K. (author), Howard, M.S. (author), Dussan, K. (author), Dooley, S. (author)A detailed systematic theoretical study of the mechanism of the homogeneous Brønsted-acid catalysis of d-glucose in aqueous solution phase ("acid hydrolysis") is reported. G4MP2 with the SMD solvation model at B3LYP/6-31G(2df,p) are employed to compute the free energies of the molecular and ionic species pertaining to the isomerization,...article 2019
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Park, S.J. (author), Lee, K. (author), Choung, J. (author), Walters, C.L. (author)This study deals with ductile fracture prediction of a marine steel using new damage functions. The stress triaxiality and Lode angle are known to be governing parameters on the ductile fracture. Recent research has reported that loading path is also one of the important parameters. A three-dimensional fracture strain surface for EH36 steel was...article 2018
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Rakocevic, L. (author), Gehlhaar, R. (author), Jaysankar, M. (author), Song, W. (author), Aernouts, T. (author), Fledderus, H. (author), Poortmans, J. (author)Thin film perovskite photovoltaic devices combine high power conversion efficiencies with low weight, large area, high speed production capabilities and high versatility in form factor. With this paper, an additional feature is added to the device property portfolio: optical transparency. Results on translucent perovskite modules with...article 2018
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Havermans, B.M. (author), Boot, C.R.L. (author), Brouwers, E.P.M. (author), Houtman, I.L.D. (author), Anema, J.R. (author), van der Beek, A.J. (author)Objective: The objective was to evaluate the process and feasibility of a digital platform-based implementation strategy aimed at work stress prevention. Methods: The process evaluation was performed alongside a controlled trial within a health care organization, in the experimental group (N = 221). Mental models, context, and barriers and...article 2018
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Boesveld, I.C. (author), Hermus, M.A.A. (author), van der Velden-Bollemaat, E.C. (author), Hitzert, M. (author), de Graaf, H.J. (author), Franx, A. (author), Wiegers, T.A. (author)Objective: to determine the usability of a recently developed set of 30 structure and process birth centre quality indicators. Design: an explorative study using mixed-methods including literature, a survey, interviews and observations. The study is part of the Dutch Birth Centre Study. We first determined the measurability of birth centre...article 2018
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Ara, H.A. (author), Behrouzian, A. (author), Hendriks, M. (author), Geilen, M. (author), Goswami, D. (author), Basten, T. (author)Multi-scale dataflow models have actors acting at multiple granularity levels, e.g., a dataflow model of a video processing application with operations on frame, line, and pixel level. The state of the art timing analysis methods for both static and dynamic dataflow types aggregate the behaviours across all granularity levels into one, often...article 2018
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Massaad, J. (author), van Neer, P.L.M.J. (author), van Willigen, D. (author), de Jong, N. (author), Pertijs, M. (author), Verweij, M. (author)Typically, ultrasonic flow meters assume linear wave propagation. Nevertheless, if the transducers of an ultrasonic flow sensor excite a pressure wave with a high amplitude, nonlinear wave propagation effects become significant. The appearance of higher harmonics increases the bandwidth of the received signal, which may potentially lead to a...conference paper 2018
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Kleinrouweler, J.W.M. (author), Meixner, B. (author), Bosman, J.W. (author), van den Berg, J.L. (author), van der Mei, R. (author), Cesar, P. (author)Frequent variations in throughput make mobile networks a challenging environment for video streaming. Current video players deal with those variations by matching video quality to network throughput. However, this adaptation strategy results in frequent changes of video resolution and bitrate, which negatively impacts the users' streaming...conference paper 2018
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van Lieshout, M.J. (author), Emmert, S.B. (author)The right to privacy is enshrined in the European charter of fundamental rights. The right to data protection is a relatively novel right, also enshrined in the same European charter. While these rights seem to focus on a defensive and protective approach, they also give rise to a positive and constructive interpretation. The GDPR may act as...conference paper 2018
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Mohamed, S. (author), Zhu, D. (author), Goswami, D. (author), Basten, A.A. (author)Image-Based Control (IBC) systems have a long sample period. Sensing in these systems consists of compute-intensive image processing algorithms whose response times are dependent on image workload. IBC systems are typically designed for the worst-case workload that results in a long sample period and hence suboptimal quality-of-control (QoC)....conference paper 2018
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Boesveld, I.C. (author), Hermus, M.A.A. (author), van der Velden-Bollemaat, E.C. (author), Hitzert, M. (author), de Graaf, H.J. (author), Franx, A. (author), Wiegers, T.A. (author)Objective: to determine the usability of a recently developed set of 30 structure and process birth centre quality indicators. Design: an explorative study using mixed-methods including literature, a survey, interviews and observations. The study is part of the Dutch Birth Centre Study. We first determined the measurability of birth centre...article 2018
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Dréau, A. (author), Tcheborateva, A. (author), El Mahdaoui, A. (author), Bonato, C. (author), Hanson, R. (author)We report on the conversion to telecommunication wavelengths of single photons emitted by nitrogen-vacancy (NV) defect in diamond. By means of different frequency generation, we convert spin-selective photon at 637 nm, associated with the coherent NV zero-photon line, to the target wavelength of 1588 nm in the L-telecommunication band. The...article 2018
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Gensler, M. (author), Boeffel, C. (author), Kröpke, S. (author), Kronemeijer, A.J. (author), Ke, T.H. (author), Papadopoulos, N. (author), Yao, J. (author), Stark, J. (author), Obene, P. (author)High resolution ESJET printing is presented for processing of OLED devices. With appropriate nozzle geometry and driving schemes pixel structures of 10 μm and below are achievable with the final goal of printing a 310 ppi RGB AMOLED display.conference paper 2018
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Nateghizad, M. (author), Veugen, P.J.M. (author), Erkin, Z. (author), Lagendijk, R.L. (author)Protocols for securely testing the equality of two encrypted integers are common building blocks for a number of proposals in the literature that aim for privacy preservation. Being used repeatedly in many cryptographic protocols, designing efficient equality testing protocols is important in terms of computation and communication overhead. In...conference paper 2018
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- Parker, A. (author), Ummels, F. (author), Wellman, J. (author), Whitley, D. (author), Groeneweg, J. (author), Drupsteen-Sint, L. (author) conference paper 2018
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van der Stap, N. (author), van Opbroek, A.G. (author), Huizinga, W. (author), Wilmer, M.M.G. (author), van den Broek, S.P. (author), Pruim, R.H.R. (author), den Hollander, R.J.M. (author), Schutte, K. (author), Dijk, J. (author)Detecting maritime targets with electro-optical sensors is an active area of research. One current trend is to automate target detection through image processing or computer vision. Automation of target detection will decrease the number of people required for lower-level tasks, which frees capacity for higher-level tasks. A second trend is that...conference paper 2018
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Grappiolo, C. (author), Verhoosel, J. (author), van Gerwen, E. (author), Somers, L. (author)The booming popularity of data science is also affecting high-tech industries. However, since these usually have different core competencies — building cyber-physical systems rather than e.g. machine learning or data mining algorithms — delving into data science by domain experts such as system engineers or architects might be more cumbersome...conference paper 2018
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Kuijpers, C.J. (author), Huinink, H.P. (author), Tomozeiu, N. (author), Erich, S.J.F. (author), Adan, O.C.G. (author)Due to the increased use of nanoparticles in everyday applications, there is a need for theoretical descriptions of particle transport and attachment in porous media. It should be possible to develop a one dimensional model to describe nanoparticle retention during capillary transport of liquid mixtures in porous media. Water-glycerol...article 2018