The article analyses the research results of preliminary biological treatment by silicate bacteria influence on roasting process of refractory off-balance copper-molybdenum ore.
The article analyses the results of an opinion survey of first-year students of the Chemistry and metallurgy department of the Mining University. The attention was concentrated on their reasons for entering the university, factors affecting their choice, academic activities and the studying conditions contentment, their views on future jobs and employment possibilities. Some recommendations for attracting attention of a greater number of potential applicants were given.
This work examined alloys which are belonged to trinary system Cu – Co – S. Macrostructural anaylysis of the above-referenced alloys was carried out. The impact of ferrum on this alloys was demonstrated.