coupled metals
71environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …
72COMSOL Multiphysics — Developer(s) COMSOL Stable release 4.2a / October 14, 2011; 17 days ago (2011 10 14) …
73Space colonization — Artist Les Bossinas 1989 concept of Mars mission Space colonization (also called space settlement, space humanization, or space habitation) is the concept of permanent human habitation outside of Earth. Although hypothetical at the present time,… …
74X-ray crystallography — can locate every atom in a zeolite, an aluminosilicate with many important applications, such as water purification. X ray crystallography is a method of determining the arrangement of atoms within a crystal, in which a beam of X rays strikes a… …
75Metallurgical assay — A 19th century assay laboratory in Tombstone Courthouse State Historic Park, Arizona …
76Neuroplastic effects of pollution — Recent research indicates that living in areas of high pollution has serious long term implications. Living in these areas during childhood and adolescence can lead to diminished mental capacity and increased risk for brain damage. People of all… …
77railroad — /rayl rohd /, n. 1. a permanent road laid with rails, commonly in one or more pairs of continuous lines forming a track or tracks, on which locomotives and cars are run for the transportation of passengers, freight, and mail. 2. an entire system… …
78Thailand — /tuy land , leuhnd/, n. 1. Formerly, Siam. a kingdom in SE Asia: official name of Siam 1939 45 and since 1949. 59,450,818; 198,242 sq. mi. (513,445 sq. km). Cap.: Bangkok. 2. Gulf of. Also called Gulf of Siam. an arm of the South China Sea, S of… …
79Laser cutting — process on a sheet of steel. CAD (top) and stainless steel laser cut part (bottom) Laser cutting is a technology that uses a laser to cut materials, an …
80Soil contamination — Excavation showing soil contamination at a disused gasworks. Soil contamination or soil pollution is caused by the presence of xenobiotic (human made) chemicals or other alteration in the natural soil environment. This type of contamination… …
