Frost is the coating or deposit of ice that may form in humid air in cold conditions, usually overnight. In temperate climates it most commonly appears as fragile white crystals or frozen dew drops near the ground, but in cold climates it occurs in a greater variety of forms. ξ1 Frost is composed of delicate branched patterns of ice crystals formed as the result of fractal process development.
Cogeneration or combined heat and power ( CHP) is the use of a heat engine Cogeneration and Cogeneration Schematic, www.clarke-energy.com, retrieved 26.11.11 or power station to simultaneously generate electricity and useful heat. Trigeneration or combined cooling, heat and power ( CCHP) refers to the simultaneous generation of electricity and useful heating and cooling from the combustion of a fuel or a solar heat collector. A plant producing electricity, heat and cold is called a trigeneration or poly..
Waub-o-jeeg, also written Wa-bo-jeeg or other variants of Ojibwe Waabojiig (White Fisher) (c. 1747-1793) was a famous warrior and chief of the Ojibwa. He was born into the Adik (caribou) doodem some time in the mid-18th century near Zhaagawaamikong on the western end of Lake Superior. His father Ma-mong-a-ze-da was also a noted warrior, who fought for the French in the Battle of the Plains of Abraham. Although Wabojeeg's family had intermarried with the Dakota people during times of peace, and he h..
Zinc, in commerce also spelter, is a chemical element; it has the symbol Zn and atomic number 30. It is the first element of group 12 of the periodic table. Zinc is, in some respects, chemically similar to magnesium, because its ion is of similar size and its only common oxidation state is 2. Zinc is the 24th most abundant element in the Earth's crust and has five stable . The most common zinc ore is sphalerite (zinc blende), a zinc sulfide mineral. The largest mineable amounts are found in Australia, A..
