69,530 research outputs found

    CINDA - Chrysler Improved Numerical Differencing Analyzer computer program

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    Dimensionless multioption systems compiler computer program constructs and analyzes a mathematical model of any arbitrary one, two, or three dimensional lumped parameter representation of a physical system. It automatically optimizes the utilization of computer core space and is more general and versatile than BETA

    Coal pressurization and feeding: Use of a lock hopper system

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    Operation of a synthane gasifier pilot plant is discussed. The specific problems experienced with the operation of the Petrocarb system at the pilot plant are described along with modifications made to improve its performance

    Sudan Grass, Soybeans, and Other Supplementary Hay and Pasture Crops

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    Chrysler improved numerical differencing analyzer for third generation computers CINDA-3G

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    New and versatile method has been developed to supplement or replace use of original CINDA thermal analyzer program in order to take advantage of improved systems software and machine speeds of third generation computers. CINDA-3G program options offer variety of methods for solution of thermal analog models presented in network format

    Purpose and Use of Contracted Acres Under Corn and Wheat Adjustment Programs

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    Linear effects of perturbed recombination

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    Perturbations in the ionization fraction after recombination affect the Compton cooling of density perturbations. Once the gas temperature starts to decouple from the CMB temperature, ionization fraction perturbations can have a significant influence on the subsequent gas temperature perturbation evolution. This directly affects the 21cm spin temperature of the gas, and also modifies the small-scale baryon perturbation evolution via the difference in baryon pressure. The effect on the gas temperature perturbations can be significant on all scales, and galactic-scale baryon perturbations are modified at the percent level at redshifts z >~ 100 where numerical simulations are typically started.Comment: 5 pages; for more details of effect on 21cm see astro-ph/0702600; code available at http://camb.info/sources
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