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In 2001, a diamond-like-structured c-BC 2 N was synthesized at pressures >18 GPa and temperatures >2,200 K by a direct solid-state phase transition of graphite-like (BN) 0.48 C 0.52. The reported Vickers and Knoop hardnesses were intermediate between diamond and c-BN, making the new phase the second hardest known material. [39]
The following list of mines in the Philippines is subsidiary to the Lists of mines in Asia article and Lists of mines articles. This list contains working, defunct and future mines in the country and is organised by the primary mineral output(s) and province. For practical purposes stone, marble and other quarries may be included in this list.
In May 2009, a 7.03-carat (1.406 g) blue diamond fetched the highest price per carat ever paid for a diamond when it was sold at auction for 10.5 million Swiss francs (6.97 million euros, or US$9.5 million at the time). [61]
Silicone caulk can be used as a basic sealant against water and air penetration. In organosilicon and polymer chemistry, a silicone or polysiloxane is a polymer composed of repeating units of siloxane (−O−R 2 Si−O−SiR 2 −, where R = organic group).
Its Singapore-based subsidiary, HDPM Sin Pte. Ltd., operates a local subsidiary known as Hard Discount Philippines Inc. (HDPI), which is headquartered in Carmona, Cavite. It is organized as an Aktiengesellschaft (AG), a German word that is roughly equivalent to a joint-stock company , and is headquartered in Zug , Switzerland. [ 3 ]
EcoTower is a 32-story edifice with 25 office floors located in Bonifacio Global City, Metro Manila, Philippines.Classified as a Grade A building, EcoTower's construction began in 2011 and was completed in January 2013.
Developed in the Philippines, this method (abbreviated HPSD) consists of a cylinder pressure cap made from a 3 mm thick mild steel plate secured with 8 sets of bolts, a 2-HP diesel engine, and a pressure regulator with 1.4–14 kg/m 2 capacity. The cap is placed over the stump of a pole, tree or bamboo and the preservative is forced into the ...
The ecoregions of the Philippines are defined primarily by the sea levels during the Ice Ages, which were 120 meters lower than at present, as billions of gallons of water were locked away in huge continental ice sheets. This drop in sea level connected many presently separate islands into larger islands, which allowed for exchanges of flora ...