12,972 research outputs found

    Annual report of the town officers of Bethlehem, N.H. for the fiscal year ending January 31, 1943.

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    This is an annual report containing vital statistics for a town/city in the state of New Hampshire

    Unsolicited Merchandise: State and Federal Remedies for a Consumer Problem

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    Scalable Microfabrication Procedures for Adhesive-Integrated Flexible and Stretchable Electronic Sensors.

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    New classes of ultrathin flexible and stretchable devices have changed the way modern electronics are designed to interact with their target systems. Though more and more novel technologies surface and steer the way we think about future electronics, there exists an unmet need in regards to optimizing the fabrication procedures for these devices so that large-scale industrial translation is realistic. This article presents an unconventional approach for facile microfabrication and processing of adhesive-peeled (AP) flexible sensors. By assembling AP sensors on a weakly-adhering substrate in an inverted fashion, we demonstrate a procedure with 50% reduced end-to-end processing time that achieves greater levels of fabrication yield. The methodology is used to demonstrate the fabrication of electrical and mechanical flexible and stretchable AP sensors that are peeled-off their carrier substrates by consumer adhesives. In using this approach, we outline the manner by which adhesion is maintained and buckling is reduced for gold film processing on polydimethylsiloxane substrates. In addition, we demonstrate the compatibility of our methodology with large-scale post-processing using a roll-to-roll approach

    Re-design and fabrication of titanium multi-wall Thermal Protection System (TPS) test panels

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    The Titanium Multi-wall Thermal Protection System (TIPS) panel was re-designed to incorporate Ti-6-2-4-2 outer sheets for the hot surface, ninety degree side closures for ease of construction and through panel fastness for ease of panel removal. Thermal and structural tests were performed to verify the design. Twenty-five panels were fabricated and delivered to NASA for evaluation at Langley Research Center and Johnson Space Center

    Annual report of the town of Dorchester, New Hampshire, 1966.

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    This is an annual report containing vital statistics for a town/city in the state of New Hampshire

    Annual report of he town of Dorchester, New Hampshire, 1966.

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    This is an annual report containing vital statistics for a town/city in the state of New Hampshire

    Annual reports of the town and school officers of the town of Newfields, New Hampshire for the financial year ending December 31, 1953.

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    This is an annual report containing vital statistics for a town/city in the state of New Hampshire

    Measuring cellular traction forces on non-planar substrates

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    Animal cells use traction forces to sense the mechanics and geometry of their environment. Measuring these traction forces requires a workflow combining cell experiments, image processing and force reconstruction based on elasticity theory. Such procedures have been established before mainly for planar substrates, in which case one can use the Green's function formalism. Here we introduce a worksflow to measure traction forces of cardiac myofibroblasts on non-planar elastic substrates. Soft elastic substrates with a wave-like topology were micromolded from polydimethylsiloxane (PDMS) and fluorescent marker beads were distributed homogeneously in the substrate. Using feature vector based tracking of these marker beads, we first constructed a hexahedral mesh for the substrate. We then solved the direct elastic boundary volume problem on this mesh using the finite element method (FEM). Using data simulations, we show that the traction forces can be reconstructed from the substrate deformations by solving the corresponding inverse problem with a L1-norm for the residue and a L2-norm for 0th order Tikhonov regularization. Applying this procedure to the experimental data, we find that cardiac myofibroblast cells tend to align both their shapes and their forces with the long axis of the deformable wavy substrate.Comment: 34 pages, 9 figure

    Annual reports of the selectmen, clerk, treasurer, road agent, school board, and firewards, trustees Minot-Sleeper Library, Kelley Park Commission, and other officials of the town of Bristol for the year ending Jan. 31, 1936.

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    This is an annual report containing vital statistics for a town/city in the state of New Hampshire
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