to charge a furnace
41open-hearth process — a process of steelmaking in which the charge is laid in a furnace (open hearth furnace) on a shallow hearth and heated directly by burning gas as well as radiatively by the furnace walls. [1885 90] * * * or Siemens Martin process Steelmaking… …
42List of characters in the Alien series — This article lists characters and actors in the Alien series of science fiction films. The series spans four films: Alien (1979), Aliens (1986), Alien 3 (1992), and Alien Resurrection (1997). The only recurring actress in all four films is… …
43lead processing — Introduction preparation of the ore for use in various products. Lead (Pb) is one of the oldest metals known, being one of seven metals used in the ancient world (the others are gold, silver, copper, iron, tin, and mercury). Its low… …
44molybdenum processing — Introduction preparation of the ore for use in various products. Molybdenum (Mo) is a white, platinum like metal with a melting point of 2,610° C (4,730° F). In its pure state, it is tough and ductile and is characterized by moderate… …
45List of Alien characters — This article is about characters in the Alien franchise. For a list of extraterrestrials which have appeared in various works of fiction, see List of fictional extraterrestrials. This article lists characters and actors in the Alien series of… …
46Heated shot — is the practice of heating round shot before firing from muzzle loading cannons, for the purpose of setting fire to enemy warships, buildings, or equipment. The use of hot shot dates back centuries and only ceased when vessels armored with iron… …
47McLouth Steel — Corporation Industry Steel Fate Bankruptcy Successor Detroit Steel Company Founded 1934 Defunct 1996 Headquarters Detroit, MI 1934 1981 …
48spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …
49magnesium processing — Introduction preparation of the ore for use in various products. Magnesium (Mg) is a silvery white metal that is similar in appearance to aluminum but weighs one third less. With a density of only 1.738 grams per cubic centimetre, it… …
50nitrogen group element — ▪ chemical elements Introduction any of the chemical elements that constitute Group Va of the periodic table (see Figure >). The group consists of nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). The elements share… …
