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2008-1-1 · Therefore, for lower distances between the light guide and the restorative material, the tip with a higher R-value is more efficient. Between 4 mm and 5 mm of distance, there is a change in efficacy between the two tips, and the tip with R=1.18 generates a higher depth of cure (4.52 ± 0.02 mm) than the tip with R=1.63 (4.44 ± 0.03 mm).
Get Price2020-7-25 · The polymer materials used in the injection molding process have a non-Newtonian characteristic. Consequently, a flow imbalance problem often occurs, even if an H-type runner system is employed. This problem can be addressed by placing a static mixer in the runner. However, the performance of the mixer is highly dependent on its design. Accordingly, the present study employs …
Get Price2012-5-17 · American Institute of Aeronautics and Astronautics 12700 Sunrise Valley Drive, Suite 200 Reston, VA 20191-5807 703.264.7500
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