Search results
Results from the WOW.Com Content Network
Most cement kilns today use coal and petroleum coke as primary fuels, and to a lesser extent natural gas and fuel oil. Selected waste and by-products with recoverable calorific value can be used as fuels in a cement kiln (referred to as co-processing), replacing a portion of conventional fossil fuels, like coal, if they meet strict specifications.
The types and amounts of cement produced in 2015 were: Portland cement 80.4 million tons; Masonry cement 2.4 million tons; Other hydraulic cement 0.6 million tons; Cement production is predominantly portland cement, which is mostly used in concrete. Cement for concrete is an essential material for construction, and demand is a function of ...
The Mugar Omni is named after Stephen P. Mugar, the founder of Star Market, and his wife Marian G. Mugar.The Mugar Omni is non-profit and opened in 1987. [2] Over 900,000 visitors came in its first year. [3]
Big Boy, a cement mixer truck, shows viewers how concrete is made and what it is used for. The cement yard receives a load of sand from Red, a Mack hopper semi-truck and a load of gravel from Blue, a Western Star hopper semi-truck who dump their loads into grates, the gravel is taken by a conveyor belt and the different sizes of gravel are ...
Mixed together, cement and carbon black create what is called a supercapacitor—an alternative to a battery that can store a very large amount of electrical energy and release it very quickly on ...
Entrance to the Science Museum of Virginia. A science museum is a museum devoted primarily to science.Older science museums tended to concentrate on static displays of objects related to natural history, paleontology, geology, industry and industrial machinery, etc. Modern trends in museology have broadened the range of subject matter and introduced many interactive exhibits.
Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.
It was named for a local philanthropist. Construction began in 1975, and the museum opened to the public in 1977. [20] The area is part of urban Los Angeles in the Miracle Mile District. [21] The museum tells the story of the tar pits and presents specimens excavated from them. Visitors can walk around the park and see the tar pits.