945 resultados para Harmonic drives.


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W.A. Otis and E.H. Clark, architects. O.C. Simonds & Co., landscape gardeners. Unsigned. 70 cm. x 74 cm. Scale: 1"=100' [from photographic copy by Lance Burgharrdt]

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Red, black ink on linen; signed; 112 x 72 cm; Scale: 1" = 100' [from photographic copy by Lance Burgharrdt]

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Pencil, ink on linen; signed; 114 x 42 cm. Scale: 1"=50' [from photographic copy by Lance Burgharrdt]

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Title within double ruled border; text within single rule border on every page, with double rule at top and bottom of page. The texts are arranged in six columns, along two pages.

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"Notes and references": p. 168-172.

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Thesis (Master's)--University of Washington, 2016-06

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This article explores how the dominant cultural literacy in a western context relies on a western template of knowledge that can inhibit internationalisation of the curricula unless it is identified, transformed, and broadened to become interculturally responsive. As Brian Street has said "literacies may be sites of negotiation and transform ation" (1994, p. 99). Drawing on the findings of an innovative website, Worldmarks , developed at Queensland University of Technology, as well as qualitative interviews with international students and staff, this article addresses the serious implications of assessment driven by the dominant culture's literacy. We identify how and why assessment driven by responsive cultural literacy enables all students to develop comprehensive intercultural communication skills and understandings as part of their lifelong learning in Australian universities.

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The Einstein-Podolsky-Rosen paradox and quantum entanglement are at the heart of quantum mechanics. Here we show that single-pass traveling-wave second-harmonic generation can be used to demonstrate both entanglement and the paradox with continuous variables that are analogous to the position and momentum of the original proposal.

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Allopatric speciation results from geographic isolation between populations. In the absence of gene flow, reproductive isolation arises gradually and incidentally as a result of mutation, genetic drift and the indirect effects of natural selection driving local adaptation(1-3). In contrast, speciation by reinforcement is driven directly by natural selection against maladaptive hybridization(1,4). This gives individuals that choose the traits of their own lineage greater fitness, potentially leading to rapid speciation between the lineages(1,4). Reinforcing natural selection on a population of one of the lineages in a mosaic contact zone could also result in divergence of the population from the allopatric range of its own lineage outside the zone(4-6). Here we test this with molecular data, experimental crosses, field measurements and mate choice experiments in a mosaic contact zone between two lineages of a rainforest frog. We show that reinforcing natural selection has resulted in significant premating isolation of a population in the contact zone not only from the other lineage but also, incidentally, from the closely related main range of its own lineage. Thus we show the potential for reinforcement to drive rapid allopatric speciation.

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We prove a removable singularity theorem for p-harmonic maps in the subquadratic case. The theorem states that an isolated singularity of a weakly p-harmonic map is removable if the energy is sufficiently small in a neighbourhood of the singularity.

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Time-harmonic methods are required in the accurate design of RF coils as operating frequency increases. This paper presents such a method to find a current density solution on the coil that will induce some desired magnetic field upon an asymmetrically located target region within. This inverse method appropriately considers the geometry of the coil via a Fourier series expansion, and incorporates some new regularization penalty functions in the solution process. A new technique is introduced by which the complex, time-dependent current density solution is approximated by a static coil winding pattern. Several winding pattern solutions are given, with more complex winding patterns corresponding to more desirable induced magnetic fields.