Open Hearth Practice Using Oxygen

Immersion Pyrometry and Open Hearth Furnace Productivity FASTER STEELMAKING AT RAVENSCRAIG

It is nowadays generally accepted that controlling the tapping temperature of steel by immersion pyrometry is an important means of improving steel quality. Broadly speaking, if the steel is too hot when tapped the ingots tend to crack, and if too cool they tend to suffer from “shell” on the surface and non-metallic inclusions beneath. From this point of view it is now simply a question of esta...

Izapa: Cultural Hearth of the Olmecs?

Located near the edge of the Pacific coastal plain in the far southeastern corner of Chiapas, Mexico, is the large pre-Columbian ceremonial center known as Izapa. Situated on the terrace of a small stream tributary to the Rio Suchiate, the border river between Mexico and Guatemala, the site consists of more than 130 mounds sprawled over several hectares of lush tropical lowland at the base of t...

Advanced design methods for rotary hearth furnaces

*Tenova LOI Italimpianti, Italy, **Centro Sviluppo Materiali SpA, Italy ENVIRONMENTAL concerns and rising prices of fossil fuels have focused the steel industry’s attention on minimising emissions and improving heating efficiency in reheat furnaces. Additionally with the rise in competitiveness within the world steel market product quality can be a key strategic factor to gain a market, a facto...

Developing open source scientific practice∗

3 Routine practice 8 3.1 Version control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3.2 Execution automation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 3.3 Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 3.4 Readability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

Thyroid Dysfunction in the Elderly with Hearth Failure