lead annealing
81Solar cell — A solar cell made from a monocrystalline silicon wafer …
82Optical amplifier — An optical amplifier is a device that amplifies an optical signal directly, without the need to first convert it to an electrical signal. An optical amplifier may be thought of as a laser without an optical cavity, or one in which feedback from… …
83Organic light-emitting diode — Demonstration of a flexible OLED device A green emitting OLED device An …
84Creep (deformation) — For other uses, see Creep (disambiguation). v · d · e Materials failure modes Buckling …
85Freeze drying — (also known as lyophilization or cryodesiccation) is a dehydration process typically used to preserve a perishable material or make the material more convenient for transport. Freeze drying works by freezing the material and then reducing the… …
86Fire-tube boiler — A fire tube boiler is a type of boiler in which hot gases from the fire pass through one or more tubes within the boiler. It is one of the two major types of boilers, the other being the water tube boiler. A fire tube boiler can be either… …
87List of military nuclear accidents — This article lists notable military accidents involving nuclear material. Civilian accidents are listed at List of civilian nuclear accidents. For a general discussion of both civilian and military accidents, see nuclear and radiation accidents.… …
88Walter Rosenhain — (24 August 1875 – 17 March 1934) was an Australian metallurgist. Early lifeRosenhain was the son of Moritz Rosenhain and was born in Berlin. The family migrated to Australia when Walter was five years old. He was educated at Wesley College, and… …
89Oxy-fuel welding and cutting — Oxyacetylene redirects here. For the song, see Cubanate. Side of metal, cut by oxygen propane cutting torch …
90ROSENHAIN, Walter (1875-1934) — metallurgist son of M. Rosenhain of Melbourne, was born on 24 August 1875. He was educated at Wesley College, and Queen s College, university of Melbourne, where he completed his course in civil engineering and was awarded an 1851 exhibition.… …
