concrete chemistry
1Concrete degradation — may have various causes. Concrete can be damaged by fire, aggregate expansion, sea water effects, bacterial corrosion, calcium leaching, physical damage and chemical damage (from carbonation, chlorides, sulfates and distilled water). This process …
2Concrete sealers — are coatings applied to concrete to protect it from corrosion. They either block the pores in the concrete to reduce absorption of water and salts or form an impermeable layer which prevents such materials from passing.[1] Extensive research from …
3Chemistry and Metallurgy Research Replacement Facility — Preliminary designs (2006) The Chemistry and Metallurgy Research Replacement Facility, usually referred to as the CMRR, is a facility under construction at Los Alamos National Laboratory in New Mexico which is part of the United States nuclear… …
4Radiation chemistry — is a subdivision of nuclear chemistry which is the study of the chemical effects of radiation on matter; this is very different from radiochemistry as no radioactivity needs to be present in the material which is being chemically changed by the… …
5Retarder (chemistry) — A retarder is a chemical agent that slows down a chemical reaction. For example, retarders are used to slow the chemical hardening of plastic materials such as wallboard, concrete, and adhesives.Sugar water acts as a retarder for the curing of… …
6Base (chemistry) — For the term in genetics, see base (genetics) Acids and Bases Acid dissociation constant Acid base extraction Acid–base reaction Acid–base titration …
7Curing (chemistry) — Curing is a term in polymer chemistry and process engineering that refers to the toughening or hardening of a polymer material by cross linking of polymer chains, brought about by chemical additives, ultraviolet radiation, electron beam or heat.… …
8Bélmez Faces — The Bélmez Faces or the Faces of Bélmez is considered by some parapsychologists the best documented and without doubt the most important paranormal phenomenon [in the 20th] century . [ [http://www.discoverychannel.com.au/paranormal/most… …
9technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
10University of Arkansas Campus Historic District — U.S. National Register of Historic Places U.S. Historic district …
