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  • 1
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    In:  http://aquaticcommons.org/id/eprint/19167 | 12051 | 2015-12-18 20:17:26 | 19167 | University of Karachi. Marine Reference Collection and Resource Centre
    Publication Date: 2021-07-13
    Description: Berea clava, new species, is described based on the specimens recovered from the gill filaments of a flounder, Pseudorhombus arsius (H.-B.), collected in Kuwait Bay of Arabian (Persian) Gulf. This is the second species of Berea.
    Keywords: Biology ; parasitic copepods ; Berea ; Copepoda ; Chondracanthidae ; Kuwait
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 53-57
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  • 2
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    In:  http://aquaticcommons.org/id/eprint/19266 | 12051 | 2015-12-18 13:44:10 | 19266 | University of Karachi. Marine Reference Collection and Resource Centre
    Publication Date: 2021-07-13
    Description: Three species of caligid copepods (Siphonostomatoida) belonging to genus Hermilius Heller, 1865 were recovered from the giant marine catfish, Arius thalassinus Ruppell, taken from the Persian Gulf. They are H. pyriventris Heller, 1865; H. longicaudus n. sp.; and H. longicornis Bassett-Smith, 1898. H helleri Pillai, 1963 is proposed to be relegated to the synonym of H pyriventris. A key to the eight species of Hermilius is provided.
    Keywords: Biology ; parasitic copepoda ; Caligidae ; Hermilius ; marine catfish
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 79-90
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  • 3
    Publication Date: 2016-06-07
    Description: A redundant frequency and time distribution system provides a multiplicity of isolated outputs, all of which are derived from three atomic frequency standards. The distribution system monitors input parameters of the signals coming from the Cesium Standards and selects one to be the primary standard, phase locks an internal oscillator which has excellent aging characteristics in the open loop mode and acts as a filter to provide phase noise improvement, and generates 1 megahertz and 100 kHz by direct synthesis. Additionally, the system distributes RF and timing signals consisting of 5 MHz, 1 MHz, 100 kHz, BCD Time-of-Day, 1 pps and 1 ppm.
    Keywords: COMMUNICATIONS AND RADAR
    Type: NASA. Goddard Space Flight Center Proc. of the 12th Ann. Precise Time and Time Interval. and Planning; p 765-783
    Format: application/pdf
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