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    Dynamic Influence of Near-Source Seismic Ground Motion on Underground Mine Working Stability Using Time-Frequency Analysis by Adam Lurka, Grzegorz Mutke, Piotr Małkowski

    Published 2021-01-01
    “…The properties of recorded strong ground motion velocity seismograms for two high energy seismic events and two blasts from two underground coal mines in Poland have been extracted with the use of continuous wavelet transform spectrograms showing the duration time of each frequency group. Assuming a constant peak particle velocity amplitude on the analyzed seismograms, the duration time of each frequency group starts to play a key role. …”
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  3. 723

    Assessment of Water Quality Parameters in Lake Hayq, Northeastern Ethiopia by Assefa Tecklie, Yohannes Nigussie, Adem Bilale

    Published 2024-01-01
    “…The physicochemical parameters were measured using portable water quality measuring multimeters, the heavy metal analysis was done using the Atomic Absorption Spectrometer, the BOD5 was measured using a BOD5 meter, and the total coliform analysis was done using the spread plate technique. …”
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    Red and black mason wasp, Pachodynerus erynnis (Lepeletier) by Kelly Laplante, Wayne Hobbs, Adam Dale

    Published 2021-03-01
    “…Although fairly common, this wasp often goes unnoticed due to its solitary nature and quick flight. Also published on the Featured Creatures website at http://entnemdept.ufl.edu/creatures/MISC/WASPS/Pachodynerus_erynnis.html …”
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    Yaupon Psyllid Gyropsylla ilecis (Ashmead) (Insecta: Hemiptera: Aphalaridae) by Mark Wilhelm, Matthew Borden, Adam Dale

    Published 2021-01-01
    “…The yaupon holly, native to the southeastern United States, is used as an ornamental tree or shrub and has also been used for centuries to produce a caffeinated, tea-like beverage. …”
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    Managing plant pests with soaps by Matthew A. Borden, Adam G. Dale

    Published 2019-07-01
    “…This 5-page fact sheet written by Matthew A. Borden and Adam G. Dale and published by the UF/IFAS Entomology and Nematology Department describes some of the different types of soaps and recommendations for proper, legal, and safe use of these products to manage pests. …”
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    Red and black mason wasp, Pachodynerus erynnis (Lepeletier) by Kelly Laplante, Wayne Hobbs, Adam Dale

    Published 2021-03-01
    “…Although fairly common, this wasp often goes unnoticed due to its solitary nature and quick flight. Also published on the Featured Creatures website at http://entnemdept.ufl.edu/creatures/MISC/WASPS/Pachodynerus_erynnis.html …”
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  20. 740

    Current Controlled AC/DC Converter and Its Performance—A Mathematical Model by Jan Iwaszkiewicz, Piotr Mysiak, Adam Muc

    Published 2025-01-01
    “…The model permits the description of two modes of operation: inverter and rectifier. The assumed control method of the converter depends on the successive switching of selected vectors. …”
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