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Lepidolite is associated with other lithium-bearing minerals like spodumene in pegmatite bodies. It is the major source of the alkali metal rubidium. [13] In 1861, Robert Bunsen and Gustav Kirchhoff extracted 150 kg (330 lb) of lepidolite to yield a few grams of rubidium salts for analysis, and therefore discovered the new element rubidium. [14 ...
Long Properties was Long’s personal holding company, Texas Naval Stores Company ran a turpentine distillery, and Hudson River Lumber Company had operations in DeRidder, Louisiana. The King-Ryder Lumber Company in Bon Ami, Louisiana , was the first Long-Bell venture in Louisiana; it also owned mills at Thomasville in Indian Territory ...
The Harding Pegmatite Mine is a former adit mine that extracted lithium, tantalum, and beryllium from a Precambrian pegmatite sill.It ceased operations in 1958 and its owner, Arthur Montgomery, donated it to the University of New Mexico, which runs the site as an outdoor geology laboratory with mineral collecting permitted on a small scale.
Between February and May 1609, improvements were made to the colony; twenty cabins were built, and by 1614 Jamestown consisted of, “two faire rowes of howses, all of framed timber, two stories, and an upper garret or corne loft high, besides three large, and substantial storehowses joined together in length some hundred and twenty foot, and ...
The Forest Products Laboratory (FPL) is the national research laboratory of the United States Forest Service, which is part of USDA.Since its opening in 1910, the FPL has provided scientific research on wood, wood products and their commercial uses in partnership with academia, industry, tribal, state, local and other government agencies. [1]
Wood wool lightweight board (surface structure) Mineral bonded wood wool boards (WW boards) are building boards made of wood wool fibres, water and the binding agents cement, caustic magnesia and gypsum. Mineral bound wood wool boards are used in a wide range of applications, e.g., thermal insulation, acoustic insulation, indoor decoration, etc.
The PTI wood products are very well adapted for paint and stain applications with no bleed-through. The addition of the wax stabilizer allows a lower preservative retention plus substantially reduces the tendency of wood to warp and split as it dries. In combination with normal deck maintenance and sealer applications, the stabilizer helps ...
The Old U.S. Forest Products Laboratory, built in 1910 in Madison, Wisconsin, housed a new national lab, and the first institution in the world created specifically to research wood and wood products. Research in this building produced breakthroughs in wood preservation, laminates, and paper production.