N. I. Per'kova

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The present paper concerns the unit architectural construction of an amplifier with output power of 1 kW operating in the frequency range from 30 MHz to 1215 MHz and an amplifier unit for the frequency range from 20 MHz to 6000 MHz with output power of 30 W. The amplifiers are made by “Beta TV com”, Ltd, Donetsk, Ukraine and can be used for(More)
Ultrastructure of cellular and extracellular constituents of the predentin and adjacent strip of dentin was investigated in both erupted and unerupted but completely shaped third molars of human adults using cautious fixation and demineralization techniques. The odontoblast processes (OP) were slightly bent at their bases to run further straight and(More)
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