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Proceedings of the 9th International Scientific and Practical Conference of Students, Post-graduates and Young Scientists: Modern Techniques and Technologies
In the given paper, the investigation results of the uniform oxide coating formation with the quasi-periodical pores arrangement onto aluminum and its alloys are considered. To design oxide coating, the power source was used to obtain bio-polar voltage pulses of squared shape. It also provided for continuous adjustment of the duration of every pulse, the frequency as well as the current amplitude...
This paper investigates the use of aluminum gallam to generate polyselenides by the reduction of elementary selenium, selenides and selenates in aqueous alkaline solutions. The results show that the reduction of SeO32- on aluminum gallam generated selenides and polyselenides. The oxidation of Sen2- up to elementary selenium by oxygen in alkaline solutions proceeds consistently through intermediate...
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