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Xiao, C. (author), Leeuwenburgh, O. (author), Lin, H.X. (author), Heemink, A. (author)
A reduced order modeling algorithm for the estimation of space varying parameter patterns in numerical models is proposed. In this approach domain decomposition is applied to construct separate approximations to the numerical model in every subdomain. We introduce a new local parameterization that decouples the computational cost of the...
article 2021
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Caron, J.F. (author), Bäumer, S.M.B. (author)
The aberrations of reflective optical systems with one plane of symmetry are investigated in the most general case, with freeform surfaces and possibly different locations of the tangential and sagittal object and image. In this first paper in a series of two, we establish generalized ray-tracing equations including transverse aberrations up to...
article 2021
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Caron, J.F. (author), Bäumer, S.M.B. (author)
The aberrations of reflective optical systems with planar symmetry are investigated in the most general case, with freeform surfaces and possibly different locations of the tangential and sagittal object and image. In this second and last paper, closed-form expressions are derived for the aberrations created by an individual mirror. We study two...
article 2021
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Fokker, P.A. (author), Borello, E.S. (author), Viberti, D. (author), Verga, F. (author), van Wees, J.D. (author)
Seasonal storage of heat in shallow aquifers for increasing the efficiency of geothermal energy systems requires a proper monitoring strategy. We expanded our earlier work on harmonic pulse testing (HPT) to incorporate the effect of a temperature front moving into the reservoir due to injection of hot (or cold) water. Our analytical solutions...
article 2021
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Weemstra, C. (author), de Laat, J.I. (author), Verdel, A. (author), Smets, P. (author)
Instrumental timing and phase errors are a notorious problem in seismic data acquisition and processing. These can be frequency independent, for example due to clock drift, but may also be frequency dependent, for example due to imperfectly known instrument responses. A technique is presented that allows both types of errors to be recovered in a...
article 2021
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Wolthuis, R. (author), Phillipson, F. (author), Jongsma, H.J. (author), Langenkamp, P.N. (author)
In recent years we see that an increasing amount of information becomes available that can be beneficial to the security risk process. Traditionally, security risk management is an asset-based, qualitative process based on expert opinion and information at hand; periodically a group of experts assesses applicable risks and determines correct...
article 2021
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Kaptein, F. (author), Broekens, J. (author), Hindriks, K. (author), Neerincx, M.A. (author)
Current developments in Artificial Intelligence (AI) led to a resurgence of Explainable AI (XAI). New methods are being researched to obtain information from AI systems in order to generate explanations for their output. However, there is an overall lack of valid and reliable evaluations of the effects on users' experience of, and behavior in...
article 2021
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TNO Kwaliteit van Leven (author), Theunissen, M.H.C. (author)
De Psycat is een slim online instrument voor het meten van psychosociale problemen bij kinderen. In vergelijking met de in de praktijk gebruikte screeningsvragenlijsten, zoals de Strengths and Difficulties Questionnaire (SDQ)1,2 biedt de Psycat de volgende voordelen: – Het geeft betrouwbare en valide informatie over de aard van de problematiek; ...
other 2021
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Tosti, L. (author), van Zomeren, A. (author), Pels, J.R. (author), Comans, R.N.J. (author)
This study evaluates the potential of biomass ash as raw clinker material and the infuence of biomass feedstock and thermal conversion technology on biomass ash properties. Methods: A set of criteria for biomass feedstock and ash properties (i.e. CaO/SiO2 ratio and burnability) are established. A large dataset was collected and the best...
article 2021
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Duval, A. (author), Layrac, G. (author), van Zomeren, A. (author), Smit, A.T. (author), Pollet, E. (author), Averous, L. (author)
Two organosolv lignins extracted during pilot runs of the Fabiola process were analyzed, fractionated and chemically modified with ethylene carbonate (EC) to produce building blocks suitable for polymer synthesis. Isolation of low dispersity fractions relied on the partial solubility of the lignins in organic solvents. Lignins solubility was...
article 2021
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Pirmana, V. (author), Alisjahbana, A.S. (author), Yusuf, A.A. (author), Hoekstra, R. (author), Tukker, A. (author)
he overall purpose of this study is to assess priorities for new environmental accounts in Indonesia. Weuse environmental costs related to air pollution and resource extraction in Indonesia as a measure forpriority. This study uses the damage costs approach to estimate the environmental degradation costsvalue and the Net Present Value (NPV)...
article 2021
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Langley, D.J. (author), van Doorn, J. (author), Ng, I.C.L. (author), Stieglitz, S. (author), Lazovik, A. (author), Boonstra, A. (author)
The internet of everything (IoE), connecting people, organizations and smart things, promises to fundamentally change how we live, work and interact, and it may redefine a wide range of industry sectors. This conceptual paper aims to develop a vision of how the IoE may alter business models and the ways in which individuals and organizations...
article 2021
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Hille, S.C. (author), Szarek, T. (author), Worm, D.T.H. (author), Ziemlanska, M.A. (author)
Various equicontinuity properties for families of Markov operators have been – andstill are – used in the study of existence and uniqueness of invariant probability forthese operators, and of asymptotic stability. We prove a general result on equivalenceof equicontinuity concepts. It allows comparing results in the literature and switchingfrom...
article 2021
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Joosten, H.J.M. (author)
article 2021
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Pablo Sigüenza, C.P. (author), Cucurachi, S. (author), Tukker, A. (author)
Among European countries, The Netherlands is boosting the transformation to a circular economy creat- ing and deploying circular business models across different sectors, including the home appliances sector. Although in recent years shared access-based business models have attracted the attention of the scien- tific community from a...
article 2021
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Cioc, R.C. (author), Lutz, M. (author), Pidko, E.A. (author), Crockatt, M. (author), van der Waal, J.C. (author), Bruijninckx, P.C.A. (author)
The Diels–Alder (DA) reaction of furans is a versatile tool in synthetic organic chemistry and in the production of sustainable building blocks and smart materials. Numerous experimental and theoretical investigations suggest that the diene scope is effectively limited to electron-rich furans, which excludes the most abundant and readily...
article 2021
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van Gerwen, R. (author), de Heer, H. (author), Jansen, N. (author), van der Veen, A. (author)
Dit rapport is opgesteld door TNO en DNV GL in opdracht van RVO en TKI Urban Energy als handreiking voor innovatie bedrijven in de energiesector. De primaire doelgroep voor dit rapport bestaat uit marktpartijen en ondernemers die overwegen om flexibiliteitsdiensten te gaan ontwikkelen. Tijdens de ontwikkeling van het rapport hebben we een aantal...
report 2021
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Hooftman, W.E. (author), van Dam, L.M.C. (author)
De COVID-19 pandemie heeft voor een forse toename van tijd- en plaatsonafhankelijk werken gezorgd. Maar dit proces was al eerder in gang gezet. Uit de Arbobalans 2020 blijkt dat het aandeel werknemers dat tijden plaatsonafhankelijk kan werken tussen 2014 en 2019 is toegenomen. Vakmedianet
article 2021
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Schenk, D. (author)
Over een aantal jaar moet op bijna 3 km hoogte, op een bergtop in Chili, ’s werelds grootste telescoop verrijzen. Deze Extremely Large Telescope (ELT) wordt gebouwd door de Europese Zuidelijke Sterrenwacht (ESO). De onderdelen worden momenteel op allerlei plekken ter wereld in elkaar gesleuteld, waaronder in Nederland. Zo zal TNO samen met het...
article 2021
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Lanting, C.I. (author), van der Wilk, E.A. (author)
Informatie wordt volledig gemeld op de website: https://www.volksgezondheidenzorg.info/onderwerp/borstvoeding/cijfers-context/oorzaken-en-gevolgen#node-negatieve-gezondheidsgevolgen-van-borstvoeding
other 2021
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