two-component alloy
81petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …
82Hiduminium — Six cylinder, 5 litre, all Hiduminium engine for the Armstrong Siddeley Special The Hiduminium or R.R. alloys are a series of high strength, high temperature aluminium alloys, developed for aircraft use by Rolls Royce befo …
83Optimus Prime — is a fictional character from the Transformers franchise. Prime is the leader of the autobots, a faction of transforming robots from the planet Cybertron. The autobots are constantly waging war against a rival faction of transforming robots… …
84metalwork — metalworker, n. /met l werrk /, n. objects made of metal. [1840 50; METAL + WORK] * * * Useful and decorative objects fashioned of various metals. The oldest technique is hammering. After с 2500 BC, casting was also used, molten metal being… …
85lead 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… …
86Orion (Constellation program) — For deep space spacecraft based on the Orion design, see Multi Purpose Crew Vehicle. For initial design of the Orion Crew Exploration Vehicle, see Crew Exploration Vehicle. For the nuclear powered spacecraft designed in the 1950s, see Project… …
87Diode — Figure 1: Closeup of a diode, showing the square shaped semiconductor crystal (black object on left) …
88Manhattan Project — This article is about the atomic bomb project. For other uses, see Manhattan Project (disambiguation). Manhattan District The Manhattan Project created the first nuclear bombs. The Trinity test …
89Silicon — Not to be confused with the silicon containing synthetic polymer silicone. aluminium ← silicon → phosphorus C ↑ Si ↓ Ge …
90Superboy (Kon-El) — Superboy Superboy flies into action. Art by Mike McKone. Publication information Publisher DC Comics First …
