solution-gas drive
41Afghanistan — /af gan euh stan /, n. a republic in central Asia, NW of India and E of Iran. 23,738,085; 250,000 sq. mi. (647,500 sq. km). Cap.: Kabul. * * * Afghanistan Introduction Afghanistan Background: Afghanistan s recent history is characterized by war… …
42biosphere — biospheric /buy euh sfer ik/, adj. /buy euh sfear /, n. 1. the part of the earth s crust, waters, and atmosphere that supports life. 2. the ecosystem comprising the entire earth and the living organisms that inhabit it. [1895 1900; < G Biosphäre; …
43metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …
44Austria — Austrian, adj., n. /aw stree euh/, n. a republic in central Europe. 8,054,078; 32,381 sq. mi. (83,865 sq. km). Cap.: Vienna. German, Österreich. * * * Austria Introduction Austria Background: Once the center of power for the large Austro… …
45transportation — /trans peuhr tay sheuhn/, n. 1. the act of transporting. 2. the state of being transported. 3. the means of transport or conveyance. 4. the business of conveying people, goods, etc. 5. price of travel or transport by public conveyance; fare. 6.… …
46separation and purification — ▪ chemistry Introduction in chemistry, separation of a substance into its components and the removal of impurities. There are a large number of important applications in fields such as medicine and manufacturing. General principles… …
47Indonesia — /in deuh nee zheuh, sheuh, zee euh, doh /, n. 1. See East Indies (def. 1). 2. Republic of. Formerly, Netherlands East Indies, Dutch East Indies. a republic in the Malay Archipelago consisting of 13,677 islands, including Sumatra, Java, Sulawesi,… …
48Russia — /rush euh/, n. 1. Also called Russian Empire. Russian, Rossiya. a former empire in E Europe and N and W Asia: overthrown by the Russian Revolution 1917. Cap.: St. Petersburg (1703 1917). 2. See Union of Soviet Socialist Republics. 3. See Russian… …
49Hydrogen peroxide — IUPAC name …
50List of problems solved by MacGyver — This is a list of problems that have been solved by the fictional character MacGyver from the television series of the same name. (This list is not yet comprehensive.) MacGyver employs his resourcefulness and his knowledge of chemistry,… …
