Searched for: subject%3A%22buffer%22
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Bakker, K. (author), Assen, S. (author), Rasia, A. (author), Barreau, N. (author), Weeber, A. (author), Theelen, M. (author)
Partial shading of PV modules can lead to degradation of the shaded cells. The degradation originates from a reverse bias voltage over the shaded cells. In order to mitigate reverse bias damage in Cu(In,Ga)Se2 (CIGS) modules, a good understanding of the fundamental mechanisms governing the reverse characteristic is required. In this study, a...
article 2022
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Moradzaman, M. (author), Sánchez Martínez, C. (author), Mul, G. (author)
article 2020
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van de Ven, H. (author), Lautenbach, H. (author), Hulsegge, G. (author), van der Torre, W. (author)
Tijdens de coronacrisis vielen voor diverse groepen zelfstandig ondernemers de bedrijfsinkomsten weg. Hoe lang denken zzp’ers dat hun huishoudens kunnen rondkomen als hun bedrijfsinkomen geheel zou wegvallen?
article 2020
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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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Hendriks, M. (author), Ara, H.A. (author), Geilen, M. (author), Marin, R.G. (author), de Jong, R. (author), van der Vlugt, S. (author), Goswami, D. (author)
Complex real-time video processing applications with strict throughput constraints are commonly found in a typical healthcare application. The video processing chain is implemented as Field-Programmable Gate Array (FPGA) accelerators (processing blocks) communicating through a number of First-In First-Out (FIFO) buffers. The FIFO buffers are...
article 2018
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Hendriks, M. (author), Ara, H.A. (author), Geilen, M. (author), Basten, A.A. (author), Marin, R.G. (author), de Jong, R. (author), van der Vlugt, S. (author)
Many high data-rate video-processing applications are subject to a trade-off between throughput and the sizes of buffers in the system (the storage distribution). These applications have strict requirements with respect to throughput as this directly relates to the functional correctness. Furthermore, the size of the storage distribution relates...
article 2018
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Frijters, C.H. (author), Bolt, P.J. (author), Poodt, P. (author), Knaapen, R. (author), van den Brink, J. (author), Ruth, M. (author), Bremaud, D. (author), Illiberi, A. (author)
In this manuscript we present the first successful application of a spatial atomic-layer-deposition process to thin film solar cells. Zn(O,S) has been grown by spatial atomic layer deposition (S-ALD) at atmospheric pressure and applied as buffer layer in rigid and flexible CIGS cells by a lab-scale (15×15 cm2) S-ALD set-up. We achieved values of...
conference paper 2017
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Frijters, C.H. (author), Poodt, P. (author), Illeberi, A. (author)
Zinc oxysulfide has been grown by spatial atomic layer deposition (S-ALD) and successfully applied as buffer layer in Cu(In, Ga)Se2 (CIGS) solar cells. S-ALD combines high deposition rates (up to nm/s) with the advantages of conventional ALD, i.e. excellent control of film composition and superior uniformity over large-area and even non-flat...
article 2016
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Ben Messaoud, K. (author), Buffière, M. (author), Brammertz, G. (author), ElAnzeery, H. (author), Oueslati, S. (author), Hamon, J. (author), Kniknie, B.J. (author), Meuris, M. (author), Amlouk, M. (author), Poortmans, J. (author)
Modification of the absorber surface properties by Cd2+ treatment (Cd2+ partial electrolyte) results in the following: formation of Cd(OH)2 on the absorber surface, deposition of thinner chemical bath-deposited CdS buffer layer, and a smaller space charge region. The impact on electrical performances is as follows: decrease of the series...
article 2015
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Prins, R.G. (author), Pierik, F. (author), Etman, A. (author), Sterkenburg, R.P. (author), Kamphuis, C.B.M. (author), van Lenthe, F.J. (author)
In choosing appropriate buffer sizes to study environmental influences on physical activity, studies are hampered by insufficient insight into the distance elderly travel actively. This study aims at getting insight into the number of trips walked and cycled within various buffer sizes using GPS measures. Data were obtained from the Elderly And...
article 2014
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Willems, N.M.B.K. (author), Langenbach, G.E.J. (author), Stoop, R. (author), den Toonder, J.M.J. (author), Mulder, L. (author), Zentner, A. (author), Everts, V. (author)
The role of mature collagen cross-links, pentosidine (Pen) cross-links in particular, in the micromechanical properties of cancellous bone is unknown. The aim of this study was to examine nonenzymatic glycation effects on tissue stiffness of demineralized and non-demineralized cancellous bone. A total of 60 bone samples were derived from...
article 2014
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Visser, J.H.M. (author)
Carbonation of concrete at ambient CO2 concentration is a slow process. This makes the testing of the resistance of concrete against carbonation often too slow to be applicable for service life assessments of new structures. Raising the CO2-concentration will accelerate the test but the validity of an increase CO2-level is debated. If not valid,...
article 2014
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Zuraniewski, P.W. (author), Mandjes, M. (author), van den Berg, J.L. (author), Malhotra, R. (author)
In this paper we consider a multiple-priority buffered link, with a focus on resource allocation issues; our study was motivated by such issues in Carrier Ethernet, but the applicability of the results is by no means limited to this technology. In our model, the resource is shared by two priority classes. As the high-priority queue - intended...
bookPart 2013
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Visser, J.H.M. (author)
Carbonation of concrete at ambient CO2 concentration is a slow process. This makes the testing of the resistance of concrete against carbonation often too slow to be applicable for service life assessments of new structures. Raising the CO2-concentration will accelerate the test but the validity of an increase CO2 -level is debated. If not valid...
conference paper 2013
document
Griffioen, J. (author), Klein, J. (author), Heerdink, R. (author)
Sustainable groundwater management asks for good insight into the geochemical characteristics of the groundwater aquifers. A nationwide environmental geochemical characterisation of shallow sedimentary deposits was initiated in the Netherlands to meet this information need. The methodology is briefly outlined and some results are presented for...
conference paper 2011
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Moreira, O. (author), Basten, T. (author), Geilen, M. (author), Stuijk, S. (author)
Single-Rate Data-Flow (SRDF) graphs, also known as Homogeneous Synchronous Data-Flow (HSDF) graphs or Marked Graphs, are often used to model the implementation and do temporal analysis of concurrent DSP and multimedia applications. An important problem in implementing applications expressed as SRDF graphs is the computation of the minimal amount...
article 2010
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Neyraud, E. (author), Bult, J.H.F. (author), Dransfield, E. (author), TNO Kwaliteit van Leven (author)
Objective: Parotid saliva flow is increased by mastication and its composition is also modified. The aim of this work was to clarify the relationships between flow rate, pH and protein concentration, during resting and short-duration simulated chewing, using continuous and fractional saliva collections. Design: Parotid saliva flow rate, pH and...
article 2009
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Malhotra, R. (author), Mandjes, M.R.H. (author), Scheinhardt, W.R.W. (author), van den Berg, J.L. (author), TNO Informatie- en Communicatietechnologie (author)
Feedback fluid queues play an important role in modeling congestion control mechanisms for packet networks. In this paper we present and analyze a fluid queue with a feedback-based traffic rate adaptation scheme which uses two thresholds. The higher threshold B 1 is used to signal the beginning of congestion while the lower threshold B 2 signals...
article 2009
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van 't Ooster, A. (author), de Wit, J. (author), Janssen, E.G.O.N. (author), Ruigrok, J. (author), TNO bouw en ondergrond (author)
This research focuses on the role of heat buffers to support optimal use of combinations of traditional and renewable heat sources like geothermal heat for greenhouse heating. The objective was to determine the contribution of heat buffers to effective new combinations of resources that satisfy greenhouse heat, carbon dioxide and electricity...
conference paper 2008
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Engelen, L. (author), van den Keybus, P.A.M. (author), de Wijk, R.A. (author), Veerman, E.C.I. (author), Amerongen, A.V.N. (author), Bosman, F. (author), Prinz, J.F. (author), van der Bilt, A. (author), TNO Kwaliteit van Leven (author)
Saliva is expected to be of significance for the perception of food stimuli in the mouth. Mixing the food with saliva, including breakdown and dilution, is considered to be of large importance for semi-solids as these products are masticated without chewing. It is known that there are large variations in composition of saliva originating from...
article 2007
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