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University of Twente Publications (58.714 recursos)

University of Twente Repository provides publications of UT scientific staff, in many cases full text and publicly available.

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Mostrando recursos 1 - 20 de 25.357

  1. Requirements with rationale and quantitative rules for EMC on future ships

    Leersum, Bart Jean Anne Marie van

  2. Magnetic anisotropies in epitaxial Fe3O4/GaAs(100) patterned structures

    Zhang, W.; Wong, P.K.J.; Zhang, D.; Yuan, S.J.; Huang, Z.S.; Zhai, Y.; Wu, J.; Xu, Y.B.
    Previous studies on epitaxial Fe3O4 rings in the context of spin-transfer torque effect have revealed complicated and undesirable domain structures, attributed to the intrinsic fourfold magnetocrystalline anisotropy in the ferrite. In this Letter, we report a viable solution to this problem, utilizing a 6-nm-thick epitaxial Fe3O4 thin film on GaAs(100), where the fourfold magnetocrystalline anisotropy is negligible. We demonstrate that in the Fe3O4 planar wires patterned from our thin film, such a unique magnetic anisotropy system has been preserved, and relatively simple magnetic domain configurations compared to those previous reports can be obtained.

  3. Asymptotic analysis of network structures: degree-degree correlations and directed paths

    Hoorn, Wilhelmus Lucas Franciscus van der

  4. Materials that matter: smart materials meet art & interaction design

    Minuto, Andrea
    Dear reader, “[...] Although the tangible representation allows the physical embodiment to be directly coupled to digital information, it has limited ability to represent change in many material or physical properties. Unlike malleable pixels on the computer screen, it is very hard to change a physical object in its form, position, or properties (e.g. color, size) in real time” 1. Nowadays there are new (smart) materials that can change this situation and potentially influence the future of tangible technology. This thesis will introduce you to a vision called Smart Material Interfaces (SMIs), which takes advantage of the new generation of these engineered materials. They are capable...

  5. Beneficial effect of being outdoors in rheumatoid arthritis

    Patberg, Wiebe R.; Rasker, Johannes J.

  6. Dual effect of alcohol on pain in rheumatoid arthritis

    Patberg, Wiebe R.; Rasker, Johannes J.; Wiel, Albert van de

  7. Reduction of effective terahertz focal spot size by means of nested concentric parabolic reflectors

    Neumann, V.A.; Laurita, N.J.; Pan, LiDong; Armitage, N.P.
    An ongoing limitation of terahertz spectroscopy is that the technique is generally limited to the study of relatively large samples of order 4 mm across due to the generally large size of the focal beam spot. We present a nested concentric parabolic reflector design which can reduce the terahertz focal spot size. This parabolic reflector design takes advantage of the feature that reflected rays experience a relative time delay which is the same for all paths. The increase in effective optical path for reflected light is equivalent to the aperture diameter itself. We have shown that the light throughput of...

  8. Psychosocial measures

    Brooks, P.; Mcfarlane, A.C.; Newman, S.; Rasker, J.J.

  9. Human Resource Practices and Organisational Performance: Can the HRM-performance linkage be explained by the cooperative behaviours of employees?

    Lambooij, Mattijs; Sanders, Karin; Koster, Ferry; Zwiers, Marieke
    This paper addresses the question as to whether the linkage between HRM and organisational performance can be explained by the effect of the internal and strategic fit of HRM on the cooperative behaviours of employees. We expect that the more HRM practices are aligned within themselves (internal fit) and the more HRM is aligned with an organisation’s strategy (strategic fit), the better employees know what is expected of them, and the more they behave cooperatively towards their co-workers and towards their supervisor. Next, we hypothesised that the cooperative behaviours of employees are positively related to the financial and nonfinancial performance...

  10. Introduction: The Value of HRM?! Optimising the Architecture of HRM

    Sanders, Karin; Looise, Jan Kees
    Since the first appearance of the concept of Human Resource Management at the beginning of the 1980s, it has gradually become the dominant view on the management of employment relationships, not only in theory but also in practice. However, recently, both academics and practitioners have started to pose questions such as: "What’s the value of HRM?", "What are the effects of HRM in terms of employee and organisational outcomes?" and "What are the differences between the value of HRM for academics and practitioners?".

  11. Atypical Employment Relationships and Commitment

    Torka, Nicole
    Nowadays, simultaneously maintaining flexible working practices and commitment is an important topic for HR managers since they both can contribute to organisational success. However, many HRM researchers and practitioners are unsure whether these can go together as job security is often seen as a necessary condition for commitment. Since relatively little research has yet been completed, this article contributes to this discussion. The aim of this article is to explain how flexible workers can be committed. Since knowledge on the matter is very limited, it was decided to conduct an exploratory, qualitative study, observing and listening to welders and fitters in...

  12. Inter-municipal cooperation: a democratic deficit?

    Denters, Bas; Klok, Pieter-Jan; Boogers, Marcel; Sanders, Maurits
    In this paper we study the existence of a democratic deficit in intermunicipal cooperation in the Netherlands and the effect of the structure of intermunicipal cooperation on democratic quality. We study both direct effects and indirect effects through the cultural climate of cooperation. Rival hypotheses from monocentric (Regional Reform) and polycentric (New Regionalist) theories are put to the test using data from all Dutch municipalities. Our findings are mixed. In terms of a democratic deficit, the general conclusion is that, as far as the representative institutions are concerned, there is little evidence of a systematic deficit. Citizens and organizations are...

  13. Evaluatie samenwerking Samen14/OZJT regio Twente

    Boogers, M.J.G.J.A.; Abercrombie, L.M.

  14. Effecten van regionaal bestuur voor gemeenten: bestuursstructuur, samenwerkingsrelaties, democratische kwaliteit en bestuurlijke effectiviteit

    Boogers, Marcel; Klok, Pieter-Jan; Denters, Bas; Sanders, Maurits; Linnenbank, Michel

  15. Een toekomstbestendige Kempische uitvoering van de Participatiewet

    Boogers, M.J.G.J.A.; Wilke, M.L.; Wit, J. de

  16. Evaluatie Gemeenschappelijke Regeling Uitvoeringsorganisatie Jeugdzorg Regio IJsselland

    Boogers, M.J.G.J.A.; Koelewijn, M.; Hermanns, V.J.; Bonefaas, B.E.

  17. Ultra low power and interference robust transceiver techniques for wireless sensor networks

    Dutta, Ramen

  18. Exploring the impact of household interactions on car use for home-based tours. A multilevel analysis of mode choice using data from the first two waves of the Netherlands Mobility Panel.

    Kalter, M.J.T. Olde; Geurs, K.T.
    While most studies on mode choice behaviour and households are typically based on individual travel behaviour decisions, less is known about how relations inside households affect mode choice. This paper addresses this topic by examining intra- and inter-household variation in car use. The decision to use the car is modelled for home-based tours, based on data from the 2013 and 2014 waves of the Netherlands Mobility Panel. A multilevel framework is used to investigate mode choice behaviour at tour, individual and household level to account for the impact of individual and household characteristics on travel mode choice, interdependencies of individuals...

  19. Influence of Network Structure on Glass Transition Temeprature of Elastomers

    Bandzierz, K.; Reuvekamp, L.A.E.M.; Dryzek, J.; Dierkes, W.K.; Blume, A.; Bielinski, D.
    It is generally believed that only intermolecular, elastically-effective crosslinks influence elastomer properties. The role of the intramolecular modifications of the polymer chains is marginalized. The aim of our study was the characterization of the structural parameters of cured elastomers, and determination of their influence on the behavior of the polymer network. For this purpose, styrene-butadiene rubbers (SBR), cured with various curatives, such as DCP, TMTD, TBzTD, Vulcuren®, DPG/S8, CBS/S8, MBTS/S8 and ZDT/S8, were investigated. In every series of samples a broad range of crosslink density was obtained, in addition to diverse crosslink structures, as determined by equilibrium swelling and thiol-amine...

  20. Identifying coherent structures and vortex clusters in Taylor-Couette turbulence

    Spandan, Vamsi; Ostilla-Monico, Rodolfo; Lohse, Detlef; Verzicco, Roberto
    The nature of the underlying structures in Taylor-Couette (TC) flow, the flow between two co-axial and independently rotating cylinders is investigated by two methods. First, the quadrant analysis technique for identifying structures with intense radial-azimuthal stresses (also referred to as 'Q's) of Lozano-Durán et al., (J. Fluid Mech. 694, 100-130) is used to identify the main structures responsible for the transport of angular velocity. Second, the vortex clusters are identified based on the analysis by del Álamo et al., (J. Fluid. Mech., 561, 329-358). In order to test these criteria, two different radius ratios η = ri/ro are considered, where...

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