3,000 research outputs found

    The Nantucket Pine Tip Moth.

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    4 p

    Pine Bark Beetles.

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    5 p

    Clover Mites.

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    2 p

    Insect and Disease Control on Peaches, Apricots, Nectarines, and Plums.

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    12 p

    Antitrust: Will it Change the Lives of Telecommunications Executives?

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    Good afternoon. This is the last panel of the afternoon. I would like to introduce myself. I\u27m Deborah Ellenberg, one of the hearing examiners at the State Corporation Commission, and I might add, who has a heightened appreciation for the Virginia Commission\u27s wise decision to handle those arbitrations. I am sure on behalf of Howard, Glenn and myself, we thank you for that decision

    Resolved Mid-IR Emission in the Narrow Line Region of NGC 4151

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    We present subarcsecond resolution mid infrared images of NGC 4151 at 10.8 micron and 18.2 micron. These images were taken with the University of Florida mid-IR camera/spectrometer OSCIR at the Gemini North 8-m telescope. We resolve emission at both 10.8 micron and 18.2 micron extending ~ 3.5" across at a P.A. of ~ 60 degrees. This coincides with the the narrow line region of NGC 4151 as observed in [OIII] by the Hubble Space Telescope. The most likely explanation for this extended mid-IR emission is dust in the narrow line region heated by a central engine. We find no extended emission associated with the proposed torus and place an upper limit on its mid-IR size of less than or equal to ~ 35 pc.Comment: accepted for publication in the Astrophysical Journal, 19 pages including 5 figure

    Controlling Fleas

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    4 pp., 1 illustration, 1 table, 3 photosFleas can be a problem for pets and their owners. This publication offers information about the flea life cycle, and tips on treating pets and homes effectively. For best results, flea control should begin before the problem gets out of hand

    NICMOS Snapshot Survey of Damped Lyman Alpha Quasars

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    We image 19 quasars with 22 damped Lyman alpha (DLA) systems using the F160W filter and the Near-Infrared Camera and Multiobject Spectrograph aboard the Hubble Space Telescope, in both direct and coronagraphic modes. We reach 5 sigma detection limits of ~H=22 in the majority of our images. We compare our observations to the observed Lyman-break population of high-redshift galaxies, as well as Bruzual & Charlot evolutionary models of present-day galaxies redshifted to the distances of the absorption systems. We predict H magnitudes for our DLAs, assuming they are producing stars like an L* Lyman-break galaxy (LBG) at their redshift. Comparing these predictions to our sensitivity, we find that we should be able to detect a galaxy around 0.5-1.0 L* (LBG) for most of our observations. We find only one new possible candidate, that near LBQS0010-0012. This scarcity of candidates leads us to the conclusion that most DLA systems are not drawn from a normal LBG luminosity function nor a local galaxy luminosity function placed at these high redshifts.Comment: 31 pages, 8 figures, Accepted for Feb. 10 issue of Ap
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