3,337 research outputs found

    Hymn for peace : 300 word statement

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    Hymn for peace : 300 word statement

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    Recruitment strategies used by high school agriculture education teachers in West Virginia

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    Recruitment is the act of enrolling new members as well as keeping current levels of members or students. Questionnaires were sent to all agricultural education teachers in West Virginia to determine what strategies were being used to maintain and increase enrollment in agriculture education programs throughout West Virginia. The first questionnaire was sent to 97 agricultural education teachers asking them to list recruiting activities that they used to promote their programs. A second questionnaire was sent asking them to rate the effectiveness of recruitment activities they have participated in over the past four (4) years. Forty-six secondary agricultural education teachers responded to the survey (45%). Communications between the school administrations and guidance counselors were a concern to the recruiting of agriculture students and scheduling

    Measuring the speed of the conscious components of recognition memory: Remembering is faster than knowing.

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    Three experiments investigated response times (RTs) for remember and know responses in recognition memory. RTs to remember responses were faster than RTs to know responses, regardless of whether the remember–know decision was preceded by an old/new decision (two-step procedure) or was made without a preceding old/new decision (one-step procedure). The finding of faster RTs for R responses was also found when remember–know decisions were made retrospectively. These findings are inconsistent with dual-process models of recognition memory, which predict that recollection is slower and more effortful than familiarity. Word frequency did not influence RTs, but remember responses were faster for words than for nonwords. We argue that the difference in RTs to remember and know responses reflects the time taken to make old/new decisions on the basis of the type of information activated at test

    The Absence of Vortex Lattice Melting in a Conventional Superconductor

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    The state of the vortex lattice extremely close to the superconducting to normal transition in an applied magnetic field is investigated in high purity niobium. We observe that thermal fluctuations of the order parameter broaden the superconducting to normal transition into a crossover but no sign of a first order vortex lattice melting transition is detected in measurements of the heat capacity or the small angle neutron scattering (SANS) intensity. Direct observation of the vortices via SANS always finds a well ordered vortex lattice. The fluctuation broadening is considered in terms of the Lowest Landau Level theory of critical fluctuations and scaling is found to occur over a large H_{c2}(T) range

    Non-equilibrium structural phase transitions of the vortex lattice in MgB2

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    We have studied non-equilibrium phase transitions in the vortex lattice in superconducting MgB2, where metastable states are observed in connection with an intrinsically continuous rotation transition. Using small-angle neutron scattering and a stop-motion technique, we investigated the manner in which the metastable vortex lattice returns to the equilibrium state under the influence of an ac magnetic field. This shows a qualitative difference between the supercooled case which undergoes a discontinuous transition, and the superheated case where the transition to the equilibrium state is continuous. In both cases the transition may be described by an an activated process, with an activation barrier that increases as the metastable state is suppressed, as previously reported for the supercooled vortex lattice [E. R. Louden et al., Phys. Rev. B 99, 060502(R) (2019)]. Separate preparations of superheated metastable vortex lattices with different domain populations showed an identical transition towards the equilibrium state. This provides further evidence that the vortex lattice metastability, and the kinetics associated with the transition to the equilibrium state, is governed by nucleation and growth of domains and the associated domain boundaries.Comment: 27 pages, 10 figures. arXiv admin note: text overlap with arXiv:1812.0597

    Engaging Students Engaging Industry Engaging Enterprise

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    A reflective piece on how a small team of students and academics gained more awareness of their own sense of enterprise and creativity. The case study examines the phases and crisis points of the whole event process and identifies some of the key learning outcomes for all involved
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