68 research outputs found

    Treatment of Extended Lid Lacerations with Dextranomer Beads

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    The Author demonstrates the use of dextranomer beads (Debrisan) in an extended upper and lower lid laceration. He found the dextranomer beads helpful in the treatment of lid lacerations. The mechanism of action of dextranomer beads is described as well. He is not aware of any publications about the use of dextranomer beads in ophthalmology. </jats:p

    Advances in UV Remote Sensing

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    Photoproduction of D(*,+/-) and D(0) mesons

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    Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding ([email protected]) on 2011-05-07T15:05:02Z Item is restricted indefinitely.Restriction data tranferred 2014-07-01T11:31:07-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permissionETDs are only available to UIUC Users without author permissionU of I OnlyThe charmed mesons D\sp\circ and D\sp{\*\pm} have been observed in photon-nucleus collisions at the FNAL Wide Band Laboratory. A sample of 5500 inclusive D\sp\circ events and 1400 \rm D\sp{\*\pm} \to D\sp\circ\pi\sp\pm events were used to study charm production mechanisms and D\sp\circ meson decay dynamics.The cross section for producing D\sp\circ and D\sp{\*\pm} mesons has been measured in the K\sp\pm\pi\sp\mp and K\sp\pm\pi\sp-\pi\sp+\pi\sp\mp decay modes of the D\sp\circ meson as a function of incident photon energy and Feynman x. The results agree reasonably well with previous measurements.The mean lifetime of the D\sp\circ meson has been measured as: \tau\sb{D} = 0.431 ±\pm.010 ±\pm.023 picoseconds using a sample of 2913 ±\pm 101 events. The decay \rm D\sp{\*\pm}\to (K\sp+K\sp-)\pi\sp\pm has been observed at a level of 56 ±\pm 14 events, and its branching ratio was calculated to be{\Gamma(D\sp{\*\pm} \to (K\sp+K\sp-)\pi\sp\pm)\over \Gamma(D\sp{\*\pm} \to (K\sp+\pi\sp-)\pi)} = .118 \pm .032The decay D\sp\circ\to\pi\sp+\pi\sp-\pi\sp+\pi\sp- was also observed. Its branching ratio{\Gamma(D\sp\circ \to \pi\sp+\pi\sp-\pi\sp+\pi\sp-)\over \Gamma(D\sp\circ \to K\sp+\pi\sp-\pi\sp+\pi\sp-)} = .114 \pm .026was calculated on the basis of 235 ±\pm 43 events.Made available in DSpace on 2011-05-07T14:17:17Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 9124434.pdf: 8404127 bytes, checksum: 2376c5e204f19a12cb936d0c0c74e02b (MD5) Previous issue date: 199

    Gomos LIMB scattering ozone profile retrieval

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    We analyzed a set of GOMOS bright limb measurements with solar zenith angles less than 80°, and within 150 km of SAGE II measurements. In order to perform any species retrieval, GOMOS measurements were first corrected for stray light contamination. Ozone profile retrievals were performed using GOMOS data in the OMPS limb profiler algorithm in order to evaluate code functionality under different atmospheric conditions, assess the accuracy of the pointing algorithm, and identify potential improvements. The OMPS algorithm performs a simultaneous optimal estimation inversion of both Hartley -Huggins and Chappuis band radiances. GOMOS ozone retrievals are restricted to 25-53 km because of signal saturation and residual stray light. The retrieved ozone profiles agree with collocated SAGE II measurements on average to within 10%, and with a standard deviation of 10%. Retrieval results were consistent for both upper and lower GOMOS detector bands

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