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Found 6 dataset(s) matching "lower perforation".
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Apparatus to test hardened glass uses a heating phase, a dwell phase and a cooling phase. The glass panes are carried upright in trolleys (72) riding on rails (70) through a test chamber (54,56)...
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The U.S. Department of Energy's (U.S. DOE) Frontier Observatory for Research in Geothermal Energy (FORGE) is a field laboratory that provides a unique opportunity to develop and test new...
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1. A bracket (1 and 1') for safety devices comprising a vertical prop (2), perpendicular to whose base is welded a sleeve (3) accommodating a crossbeam called lower (4) which ends in a cap (5) and...
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The U.S. Geological Survey (USGS), in cooperation with the California State Water Resources Control Board (SWRCB), compiled Fall 2017 fluid level elevation data from idle oil and gas wells in the...
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The efficacy and subsurface application of Zequanox®, a commercially prepared spray-dried powder formulation of Pseudomonas fluorescens (strain CL145A), were evaluated for controlling zebra...