147 research outputs found

    Resilience of Incident Management in Smart Cities

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    The grow of urban environments caused many problems in traffic networks. On the roads in and around an urban environment many traffic incidents happen all the time, especially during rush hours or bad weather conditions. To minimize the negative impacts, an incident scene has to be cleared as soon as possible. Additional delay has been caused by bad communication and missing information. In this paper we present a new IT system based on the framework JADE (Java Agent DEvelopment). The system offers a blackboard like functionality for communication of first responders at the incident scene and control rooms. The system has been implemented and tested in laboratory settings and shows a significant reduction of incident process time. As a consequence, the resilience of traffic network in urban areas has been improved by better incident management and communication.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.Interactive Intelligenc

    Measurement of Air Pollution by Measurement of Traffic Density

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    The areas of many cities in the Netherlands are covered by a network of stationary sensors, measuring special components of air pollution such as CO2, NO2, PM2.5 and PM10. The pollution with fine dust along roads, surrounding and crossing the city is primarily related to traffic density. To measure traffic density, we used a license plate recognizer based on a special Neural Network Neocognitron, analyzing the video footage of surveillance cameras along the roads. We also studied the onset and offset of traffic density to predict traffic density, using the first recorded sparse traffic data. In cooperation with MIT Senseable City Lab the Technical University of Delft has developed special mobile, low cost sensors to measure air pollution. These mobile sensors are integrated with stationary sensors to a heterogeneous sensor network and enable measurement of air pollution out of the reach of the stationary sensor network.. 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.Interactive Intelligenc

    Thermographical analysis of friction stir welding and laser assisted friction stir welding

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    Friction Stir Welding (FSW), developed at The Welding Institute (TWI) in 1991, is a new solid-state welding process. In this technique, the material does not reach the fusion but the joint is the consequence of the plasticization resulting from the generation of heat by friction and the stirring action of the pin on the material due to the rotation and the displacement of a non-consumable tool. Thus, the FSW reaches temperatures lower than those reached by conventional fusion welds. Laser Assisted Friction Stir Welding (LAFSW) is a combined welding technique in which the FSW is assisted, during the weld, by the pre-heating of a de-focalized laser. This technique leads higher welding speeds, lower clamping force and it has some benefits for tool wear. Nevertheless the control of the temperature field is fundamental to guarantee a high quality joint. In this work FSW and LAFSW bead on plate tests were conducted on 6 mm thick 5754H111 aluminium alloy plates with constant tool rotation and welding speed. Thermographic images were acquired to compare the effect on the temperature field of laser source distance from the tool and laser powe

    Inside arbuscular mycorrhizal roots - molecular probes to understand the symbiosis

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    Associations between arbuscular mycorrhizal (AM) fungi and plants are an ancient and widespread plant microbe symbioses. Most land plants can associate with this specialized group of soil fungi (in the Glomeromycota), which enhance plant nutrient uptake in return for C derived from plant photosynthesis. Elucidating the mechanisms involved in the symbiosis between obligate symbionts such as AM fungi and plant roots is challenging because AM fungal transcripts in roots are in low abundance and reference genomes for the fungi have not been available. A deep sequencing metatranscriptomics approach was applied to a wild-type tomato and a tomato mutant (Solanum lycopersicum L. cultivar RioGrande 76R) incapable of supporting a functional AM symbiosis, revealing novel AM fungal and microbial transcripts expressed in colonized roots. We confirm transcripts known to be mycorrhiza associated and report the discovery of more than 500 AM fungal and novel plant transcripts associated with mycorrhizal tomato roots including putative Zn, Fe, aquaporin, and carbohydrate transporters as well as mycorrhizal-associated alternative gene splicing. This analysis provides a fundamental step toward identifying the molecular mechanisms of mineral and carbohydrate exchange during the symbiosis. The utility of this metatranscriptomic approach to explore an obligate biotrophic interaction is illustrated, especially as it relates to agriculturally relevant biological processes.Daniel Ruzicka, Srikar Chamala, Felipe H. Barrios-Masias, Francis Martin, Sally Smith, Louise E. Jackson, W. Brad Barbazuk, and Daniel P. Schachtma

    Tegenaria bosnica KRATOCHVIL & MILLER 1940

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    TEGENARIA BOSNICA KRATOCHVÍL & MILLER, 1940 Tegenaria bosnica Kratochvíl & Miller, 1940: 191– 196, figs 2, 3. Pseudotegenaria bosnica: Lehtinen, 1967: 261; transfer doubted by Brignoli (1971a: 61); rejected by Bolzern et al. (2010). No type material available. Probably lost (see Ruzicka et al., 2005). Other material examined Serbia or Albania (1 ♂). Diagnosis This species belongs to the species complex around Teg. annulata. Description A very detailed description, including measurements, was provided by Kratochvíl & Miller (1940). Distribution Reported from Croatia, Bosnia and Herzegovina, and Serbia and Montenegro (van Helsdingen, 2011; Platnick, 2012). Possibly also occurs in Albania.Published as part of Bolzern, Angelo, Burckhardt, Daniel & Hänggi, Ambros, 2013, Phylogeny and taxonomy of European funnel-web spiders of the Tegenaria-Malthonica complex (Araneae: Agelenidae) based upon morphological and molecular data, pp. 723-848 in Zoological Journal of the Linnean Society (Zool. J. Linn. Soc.) (Zool. J. Linn. Soc.) 168 (4) on pages 788-789, DOI: 10.1111/zoj.12040, http://zenodo.org/record/528298

    The Fables of Jean De La Fontaine, II

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    Death and the Dying Man (Book VIII) and The Boaster (Book IX) are the best of the small illustrations in this volume. I do not find them outstanding.This is a hardbound book (hard cover)Original language: fre#1217 of 1500Signed by Rudolph RuzickaBoxedJacques Le Clerc

    Ruzicka, Rudolph (1883-1978), artist, typographer, and author

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    The Fables of Jean De La Fontaine, I

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    The Fox and the Goat (Book III) and The Monkey and the Dolphin (Book IV) are the best of the small illustrations in this volume. I do not find them outstanding.This is a hardbound book (hard cover)Original language: fre#1217Signed by RuzickaLimited edition of 1500BoxedJoseph Auslande
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