7,800 research outputs found

    Rigidity of Orientationally Ordered Domains of Short Chain Molecules

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    By molecular dynamics simulation, discovered is a strange rigid-like nature for a hexagonally packed domain of short chain molecules. In spite of the non-bonded short-range interaction potential (Lennard-Jones potential) among chain molecules, the packed domain gives rise to a resultant global moment of inertia. Accordingly, as two domains encounter obliquely, they rotate so as to be parallel to each other keeping their overall structures as if they were rigid bodies.Comment: 7 pages, 5 figures, and 2 table

    Book Review

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    The Alien Contribution To The History of Barton County, Kansas

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    This thesis is a survey of immigration into Barton County Kansas from a variety of nationalities and the effect this immigration has had on the society of the area

    Selected reliability studies for the NERVA program

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    An investigation was made into certain methods of reliability analysis that are particularly suitable for complex mechanisms or systems in which there are many interactions. The methods developed were intended to assist in the design of such mechanisms, especially for analysis of failure sensitivity to parameter variations and for estimating reliability where extensive and meaningful life testing is not feasible. The system is modeled by a network of interconnected nodes. Each node is a state or mode of operation, or is an input or output node, and the branches are interactions. The network, with its probabilistic and time-dependent paths is also analyzed for reliability and failure modes by a Monte Carlo, computerized simulation of system performance

    Effect of Usury Laws on Home Ownership Needs

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    In this paper we examine usury laws which thwart the thrift industry, particularly savings and loan associations, from entering fully into the needed home financing picture of the 1970\u27s. If there is virtue in owning a home, be it a normal house, mobile home, condominium or a 99-year leasehold, (and the very basis of American life suggests that there is), and if the predicted housing boom is actually to occur, substantial changes should be made in laws which frustrate home financing

    Effect of Usury Laws on Home Ownership Needs

    Get PDF
    In this paper we examine usury laws which thwart the thrift industry, particularly savings and loan associations, from entering fully into the needed home financing picture of the 1970\u27s. If there is virtue in owning a home, be it a normal house, mobile home, condominium or a 99-year leasehold, (and the very basis of American life suggests that there is), and if the predicted housing boom is actually to occur, substantial changes should be made in laws which frustrate home financing

    Developing Youth Voice in Service Learning Projects

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    A qualitative study was conducted to collect information on youth and service learning to provide a template for educators\u27 use when incorporating service learning activities into their curriculums. Findings included that teens were able to articulate a definition of service learning and identify service activities. Most felt they had a voice in planning and implementation and saw adults as key in evaluating projects. However, some felt that adults have too great a voice in the planning stages. Recommendations include professional development for adults on working with teens and evaluating current programs to make certain that youth voice is present

    Scaling Solutions to 6D Gauged Chiral Supergravity

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    We construct explicitly time-dependent exact solutions to the field equations of 6D gauged chiral supergravity, compactified to 4D in the presence of up to two 3-branes situated within the extra dimensions. The solutions we find are scaling solutions, and are plausibly attractors which represent the late-time evolution of a broad class of initial conditions. By matching their near-brane boundary conditions to physical brane properties we argue that these solutions (together with the known maximally-symmetric solutions and a new class of non-Lorentz-invariant static solutions, which we also present here) describe the bulk geometry between a pair of 3-branes with non-trivial on-brane equations of state.Comment: Contribution to the New Journal of Physics focus issue on Dark Energy; 28 page

    Earth Sensor Assembly for the Tropical Rainfall Measuring Mission Observatory

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    EDO Corporation/Barnes Engineering Division (BED) has provided the Tropical Rainfall Measurement Mission (TRMM) Earth Sensor Assembly (ESA), a key element in the TRMM spacecraft's attitude control system. This report documents the history, design, fabrication, assembly, and test of the ESA
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