Glass ionomer cement (GIC) is one of the most widely used restorative materials for temporary fillings and reconstructions in dentistry, but it has relatively poor mechanical properties that make its use limited, especially in places subject to high pressure. Thus, to extend the applicability of GI...
I wanted something slightly larger, and I made some subtractions in other places that allowed for this increased size on the same 4’x8′ piece of plywood. I used the same corner radii as the original. This is item #10 in the plans. Also, making the tabletop 3/4″ thick means I ...
He finds creativity in the strangest of places, and that includes his own waste (you know what I mean). Last Christmas, inspiration instructed him to create a horror of a present: a remote-controlled train… Read More FAB January 25, 2022 Kenneth Kass Uses Epoxy Resin To Replace Old ...
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These space saving and stealthy enclosures will have you installing subwoofer boxes in places you never thought possible. You'll be walked through the process of creating an enclosure with less than $50 in materials (comparable to a $300-500 retail enclosure). ...
1.3.2. Ritchey-Common test The Ritchey-Common test places the flat mirror between the interferometer and a concave spherical mirror, as shown in Figure 1.3. With the Ritchey-Common test, full 32 surface testing of the large flat is possible. The test measures concavity (or convexity) ...
China Custom Professional Alarm Aed Protection Automated External Defibrillator Prevent Inadvertent Defibrillation Metal Aed Cabinet for Public Places Negotiable Outdoor Aed Cabinet for Cardiac Arrest Emergencies with Durable Stainless Steel US$45.00-60.00 / Piece Comp...
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As seen, the impact of the Ar+-ion beam leads to formation of different isolated nanostructures at specific places on the sample surface, which was previously irradiated by a single ns-laser pulse – nanorods, nanorings, as well as nanorod-nanoring Scientific Reports | 6:19410 | DOI: ...
As part of a discussion about electric vehicles near where this is being written, someone tossed an interesting link from that quarter into the mix; a two-part treatise onbuilding ultra-light-weight tubular frame vehicles. Or space frames, as you might know them. ...