
Publication
APPLYING CONCEPT MAPPING STRATEGIES TO IMPROVE STUDENTS LIFELONG LEARNING IN PHYSICAL CHEMISTRY
(Stef92 Technology, 2013-6-20, Ljiljana Medic Pejic)
Informatics, Geoinformatics and Remote Sensing2013
Now showing 1 - 2 of 2

(Stef92 Technology, 2013-6-20, Ljiljana Medic Pejic)

(Stef92 Technology, 2011-06-20, Ljiljana Medić Pejić)
Underground coal mines explosions generally arise from the inflammation of a methane/air mixture. This explosion can also generate a subsequent coal dust explosion. Traditionally such explosions have being fought eliminating one or several of the factors needed by the explosion to take place. Although several preventive measures are taken to prevent explosions, other measures should be considered to reduce the effects or even to extinguish the flame front. Unlike other protection methods that remove one or two of ...