Enzymatic hydrolysis is an important, but time limiting step in the process of converting biomass into ethanol. High solids concentrations are desired in order to minimize reactor size and achieve a higher concentration of glucose in the end...
Most of the structures in submillimeter-scale engineering are created from thin films, making them essentially two-dimensional (2D). Significant work has been done to fabricate 3D structures using self-folding, a deterministic form of...
Barges; Boat & ship industry; Howard Ship Yards and Dock Company
Concrete mixer hull on grade at Howard Shipyard. This is one of two concrete mixer hulls built at Howard for the Corps of Engineers that year. One was for the Memphis district and the other was for the Vicksburg district.
Barges; Boat & ship industry; Howard Ship Yards and Dock Company
Concrete mixer hull on grade at Howard Shipyard. This is one of two concrete mixer hulls built at Howard for the Corps of Engineers that year. One was for the Memphis district and the other was for the Vicksburg district.
Barges; Boat & ship industry; Howard Ship Yards and Dock Company
Men work on the hull of a concrete mixer barge on the grade at Howard Shipyard in Port Fulton (now Jeffersonville), Indiana. The concrete mixer is probably the one of two that Howard built for the U.S. Corps of Engineers in 1926.
Location: Montgomery and 31st Street, Louisville, Kentucky. Cobblestone roads lead up to the High Rock distribution buildings. Three delivery trucks are parked next to the building and a network of utility lines crisscross the sky above trolley...
Men work on a large pipe under the street. Two men are at street-level with a concrete mixer and three men are on top of the exposed pipe. The opening is supported by beams. Title supplied by cataloger.
Two-story building with a wood ramp on the rear. A concrete mixer is pulled up to the building with a second concrete truck nearby. Title supplied by cataloger.
Construction; Construction equipment; Construction workers; Surveying; Surveying equipment; Schneider Hall (Louisville, Ky.);
A man surveys the construction site of the new University Library on the University of Louisville's Belknap Campus. A concrete mixer fills a hole in the ground behind him. The student cafeteria can be seen in the background.
