1,400 research outputs found

    Bouwlogistieke innovaties weerbarstig te implementeren

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    Toelevering van bouwmaterialen aan bouwprojecten is complex en verregaande gesegregeerd. De bouwsector staat voor een kans te innoveren op het vlak van de bouwlogistiek. In het verleden is ervaring opgedaan met ‘best-practices’ die voldoende kansen bieden de noodzakelijk innovatie door te voeren. Via proeftuinen wordt in het TKI-project ‘4C in Bouwlogistiek’ gewerkt aan het implementeren van de ‘best-practices’: bouwlogistiek hubs, bouwtickets, vandaag voor morgen, opstelstrips en mobiele voorraadcontainers. Ervaring leert dat cultuurverschillen tussen bouwkundigen en logistici, en gebrek aan meten en vastleggen van gegevens de implementatie bemoeilijken. Echte innovatie gaat mogelijk komen van bedrijven die logistiek geheel anders gaan doen. Voorbeelden van concepten die voor innovatie in bouwlogistiek kunnen zorgen zijn te vinden bij: IKEA, Toyota, Zara, Uber. Ook 3Dprinting gaat de bouwlogistiek sterk beïnvloeden.Engineering, Systems and ServicesTechnology, Policy and Managemen

    Modelling Gaia: towards an Actor-Network modelling framework in archaeology

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    Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.Water Resource

    Análisis del isótopo de oxígeno del Entierro 2.A, Pirámide de la Luna, Teotihuacan. 29. Arqueología

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    Spence, M.W. y Denise To, “Los restos humanos de la primera temporada de excavaciones en la Pirámide de la Luna”, México, Informe al INAH, 2000, mecanoescrito.White, C.D., et al., “Oxygen isotopes and the identification of geographical origins: the Valley of Oaxaca versus the Valley of México”, Journal of Archaeological Science, núm. 25, 1998, pp. 643-655.White, C.D., M.W. Spence, Fred J. Longstaffe, E. Rattray y K.R. Law “Un análisis del isótopo oxígeno en los entierros del Barrio de los Comerciantes”, ponencia para La Segunda Mesa Redonda de Teotihuacan, septiembre 2002.Ubelaker, D., Human skeletal remains: excavation, analysis and interpretation, Chicago, Aldine Publishing, 1978

    Special Order no. 177 (2 August 1864)

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    Leave of absence (2 days) granted to M.W. Boyd to bringing absentees into camphttps://egrove.olemiss.edu/ciwar_milrec/1002/thumbnail.jp

    Conceptualizing and implementing an agent-based model of an irrigation system

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    Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.Water Resource

    Quantitative NMR monitoring of liquid ingress into repellent heterogeneous layered fabrics

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    Fabrics which are water repellent and repellent to other liquids are often constructed using multiple layers of material. Such a construction is preferable to a single layer of a liquid-repellent textile because, under the action of an applied pressure, ingress of a liquid through the first layer can be halted by the second or subsequent layers. In the quantitative investigation of this problem, current techniques provide limited information on the progress and distribution of the liquid as it ingresses into a fabric. Moreover, many techniques require that the material is delaminated prior to analysis, and cannot be conducted in real time to measure the progress of a liquid through the textile substrate. In this work we demonstrate that unilateral NMR, which allows signal to be collected from a volume of interest in a material residing above the instrument, can be a powerful tool to quantitatively monitor the ingress of a liquid through a layered sample exhibiting pronounced heterogeneities in repellency. A known volume of oil was placed on the top of a model textile sample composed of three 80 μm thick layers. Spatially resolved one dimensional vertical NMR profiles of the system were acquired as a function of the pressure vertically applied to the top of the sample. These profiles show that the absolute liquid volume present in each layer of textile can routinely be measured within 4 min with a spatial resolution of 15 μm. If each individual layer exhibits different repellency to the test liquid, the complexity of the dynamics of the ingress can be investigated in great detail. An elegant application of the unilateral instrument was obtained in which the sensitive volume matched the region of interest of the individual layers of the textile under investigation

    Letter to the Editor

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    Letter - A handwritten letter to the Editor of the Alberta Report written by Ruth Gorman under the pseudonym, M.W. Eagle (5 pages)WC

    Discussion of “Perceptual models of uncertainty for socio-hydrological systems: a flood risk change example”<sup> <sup>*</sup> </sup>

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    Dealing with uncertainty is key in socio-hydrological analysis. As such, thinking through what uncertainties mean for whom and when is key. This discussion contribution introduces three issues related to defining uncertainties. The first issue deals with the problem of defining uncertainty as a given external reality. The second issue deals with who decides about relevant uncertainties. The third issue deals with the issue whether coupled human-hydrological systems can be seen as existing on their own. Finally, the text provides two examples of hydrological research that try to be explicit about our dealing with multiple (interpretations of) realities.Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.Water Resource
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