purification furnace
51Apocatastasis — • A name given in the history of theology to the doctrine which teaches that a time will come when all free creatures will share in the grace of salvation; in a special way, the devils and lost souls Catholic Encyclopedia. Kevin Knight. 2006.… …
52Cryogenic oxygen plant — A cryogenic oxygen plant is an industrial facility that creates molecular oxygen at relatively high purity. Oxygen is the most common element in the world and the second largest industrial gas. The purity of oxygen can only be generated by… …
53Materials science — Simulation of the outside of the Space Shuttle as it heats up to over 1,500 °C (2,730 °F) during re entry into the Earth s atmosphere Materials science is an interdisciplinary field applying the properties of matter to various areas of… …
54Calcium carbonate — Calcium carbonate …
55Zeolite — Zeolites (Greek, zein , to boil ; lithos , a stone ) are hydrated aluminosilicate minerals and have a micro porous structure. The term was originally coined in the 18th century by a Swedish mineralogist named Axel Fredrik Cronstedt who observed,… …
56TAP — may refer to: * Tap (valve), controls the release of a liquid or gas * Tap or Flap consonant, a type of consonantal sound * Telephone tapping, the monitoring of telephone conversations by a third party * Tap (transformer), an intermediate… …
57Vacuum distillation — At atmospheric pressure, dimethyl sulfoxide boils at 189°C. Under a vacuum, it distills off into the connected receiver at only 70°C. Vacuum distillation is a method of distillation whereby the pressure above the liquid mixture to be distilled is …
58Clemens Winkler — Clemens Alexander Winkler Clemens Alexander Winkler Born December 29, 1838(1838 12 29) Freiberg …
59Fouling — This article is about fouling in engineering. For uses of the term foul outside technology, see Foul (disambiguation). Not to be confused with fowling. Heat exchanger in a steam power plant, fouled by macro fouling …
60Silicon nitride — Preferred IUPAC name Silicon nitride …
