hi-early cement

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• Cement kiln — Cement kilns are used for the pyroprocessing stage of manufacture of Portland and other types of hydraulic cement, in which calcium carbonate reacts with silica bearing minerals to form a mixture of calcium silicates. Over a billion tonnes of… …   Wikipedia

• Cement (novel) — Cement (Russian: Цемент ) is a Russian novel by Fyodor Gladkov (1883 ndash;1958). Published in 1925, the book is arguably the first in Soviet Socialist Realist literature to depict the struggles of post Revolutionary reconstruction in the Soviet… …   Wikipedia

• Cement — In the most general sense of the word, a cement is a binder, a substance which sets and hardens independently, and can bind other materials together. The name cement goes back to the Romans who used the term opus caementicium to describe masonry… …   Wikipedia

• Cement mill — A 10 MW cement mill, output 270 tonnes per hour A cement mill (or finish mill in North American usage[1]) is the equipment used to grind the hard, nodular clinker from the cement kiln into the fine grey powder that is cement. Most cement is… …   Wikipedia

• cement — cementable, adj. cementer, n. cementless, adj. /si ment /, n. 1. any of various calcined mixtures of clay and limestone, usually mixed with water and sand, gravel, etc., to form concrete, that are used as a building material. 2. any of various… …   Universalium

• cement — /səˈmɛnt / (say suh ment) noun 1. any of various substances which are soft when first prepared but later become hard or stone like, used for joining stones, making floors, etc. 2. a material of this kind (the ordinary variety, often called… …  

• Early history of European settlement in Zimbabwe — This article covers the early history of European settlement and exploration in what is now Zimbabwe, ranging from the arrival of the Portuguese to the establishment of the colony of Southern Rhodesia in 1923.Arrival of the PortugueseIn the early …   Wikipedia

• cement —    A powdered substance made by grinding calcined limestone and clay, which can be mixed with water and poured to set as a solid mass or used as a binding ingredient in mortar or concrete. Sometimes called Portland cement after an important early …   Glossary of Art Terms

• Glass ionomer cement — A Glass Ionomer Cement (GIC) is one of a class of materials commonly used in dentistry as filling materials and luting cements. These materials are based on the reaction of silicate glass powder and polyalkeonic acid. These tooth coloured… …   Wikipedia

• Portland cement — is the most common type of cement in general usage in many parts of the world, as it is a basic ingredient of concrete, mortar, stucco and most non specialty grout. It is a fine powder produced by Portland cement clinker (more than 90%), a… …   Wikipedia

• Bone cement — Background =Bone cements have been used very successfully to anchor artificial joints (hip joints, knee joints, shoulder and elbow joints) for more than half a century. Today virtually no routine operations are more successful than the procedure… …   Wikipedia