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PLA can degrade into innocuous lactic acid, making it suitable for use as medical implants in the form of anchors, screws, plates, pins, rods, and mesh. [45] Depending on the type used, it breaks down inside the body within 6 months to 2 years.
The Boston Harbor reclamation project that began in the 1980s became the focus of debate over the legality of PLAs. [12] [13] When the Massachusetts Water Resources Authority elected to use a PLA for the project that mandated union-only labor, [14] the Associated Builders and Contractors of Massachusetts/Rhode Island, Inc. challenged its legality, asserting that the use of a PLA was prohibited ...
A desktop FFF printer made by Stratasys. Fused deposition modeling was developed by S. Scott Crump, co-founder of Stratasys, in 1988. [6] [7] With the 2009 expiration of the patent on this technology, [8] people could use this type of printing without paying Stratasys for the right to do so, opening up commercial, DIY, and open-source 3D printer applications.
BUR – build-up rate; BVO – ball valve operator; bwd – barrels of water per day (often used in reference to oil production) bwipd – barrels of water injected per day; bwpd – barrels of water per day
The NFL is expanding its international footprint to Australia. The league announced Wednesday that it will be playing a game in 2026 in Melbourne at the Melbourne Cricket Ground, a venue that ...
A plate heat exchanger is a type of heat exchanger that uses metal plates to transfer heat between two fluids. This has a major advantage over a conventional heat exchanger in that the fluids are exposed to a much larger surface area because the fluids are spread out over the plates.
Top plate—It is used to clamp the top half of the mold to the moving half of the molding machine and is usually made of mild steel. Cavity plate—The plate used to create a cavity (via a gap) that will be filled with the plastic material and form the plastic component. Usually made of mild steel.
Bending of plates, or plate bending, refers to the deflection of a plate perpendicular to the plane of the plate under the action of external forces and moments. The amount of deflection can be determined by solving the differential equations of an appropriate plate theory .