الفهرس 
Kinetic Theories of Glass FormationOnly 14 pages are availabe for public view
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Abstract
Glasses are playing a very vital role in the progress of society. Recently a new class of glasses is being developed i.e. bioactive glasses and glass ceramics. Glass ceramics can have superior properties such as high mechanical strength and impact resistance as compared to their count part. Research in recent years has centered on the creation of new types of materials that induce the biochemical reaction of living tissues in order to achieve a tight chemical connection between the prosthesis and the tissue through biological fixation.Presented work aims to introduce a new types of glass modified with a magnetic partner and to study the structural changes associated with prolonged immersion times in simulated body fluids (SBF) or other corrosive solutions to be used as a suitable material for hyperthermia treatment . Finally, optimization of three main items which effect on the activity of the prepared samples (effect of dopent addittion (Co, Ni, Fe ), effect of dopent concentration (0,0.2, 0.5.1) and finally the effect of time (1 week, 2 weeks, 3 weeks, 4 weeks).