184 research outputs found

    Alien Registration- Cormeau, Alice (Saint Agatha, Aroostook County)

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    https://digitalmaine.com/alien_docs/33200/thumbnail.jp

    Beeldcultuur, een drieluik.I: Deconstructie van het fenomeen culturele studies

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    An important process in glass manufacture is the forming of the product. The forming process takes place at high rate, involves extreme temperatures and is characterised by large deformations. The process can be modelled as a coupled thermodynamical/mechanical problem including the interaction between glass, air and equipment. In this paper a general mathematical model for glass forming is derived, which is specified for different forming processes, in particular pressing and blowing. The model should be able to correctly represent the flow of the glass and the energy exchange during the process. Various modelling aspects are discussed for each process, while several key issues, such as the motion of the plunger and the evolution of the glass-air interfaces, are examined thoroughly. Finally, some examples of process simulations for existing simulation tools are provided

    Silicon Micromachined Sensor for Broadband Vibration Analysis

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    The development of a family of silicon based integrated vibration sensors capable of sensing mechanical resonances over a broad range of frequencies with minimal signal processing requirements is presented. Two basic general embodiments of the concept were designed and fabricated. The first design was structured around an array of cantilever beams and fabricated using the ARPA sponsored multi-user MEMS processing system (MUMPS) process at the Microelectronics Center of North Carolina (MCNC). As part of the design process for this first sensor, a comprehensive finite elements analysis of the resonant modes and stress distribution was performed using PATRAN. The dependence of strain distribution and resonant frequency response as a function of Young's modulus in the Poly-Si structural material was studied. Analytical models were also studied. In-house experimental characterization using optical interferometry techniques were performed under controlled low pressure conditions. A second design, intended to operate in a non-resonant mode and capable of broadband frequency response, was proposed and developed around the concept of a cantilever beam integrated with a feedback control loop to produce a null mode vibration sensor. A proprietary process was used to integrat a metal-oxide semiconductor (MOS) sensing device, with actuators and a cantilever beam, as part of a compatible process. Both devices, once incorporated as part of multifunction data acquisition and telemetry systems will constitute a useful system for NASA launch vibration monitoring operations. Satellite and other space structures can benefit from the sensor for mechanical condition monitoring functions

    Alien Registration- Cormeau, Fikelis (Somerville, Lincoln County)

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    https://digitalmaine.com/alien_docs/15701/thumbnail.jp

    Une opinion récente sur l'historicité de Jésus

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    info:eu-repo/semantics/publishe

    Claire Janson :La peinture française dans les musées de Belgique (Edit. du Cercle d'Art, Bruxelles)

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    info:eu-repo/semantics/publishe

    Luc Estang :"Temps d'amour" (Robert Laffont)

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    Numerical simulation of glass-blowing

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    Chapter 7info:eu-repo/semantics/publishe

    Suzanne Lilar, académicienne

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    Albert Thibaudet :"réflexions sur la littérature" (N.R.F.)

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