The classical example of thermionic emission is the emission of electrons from a hot cathode into a vacuum (also known as thermal electron emission or the Edison effect) in a vacuum tube. The hot cathode can be a metal filament, a coated metal filament, or a separate structure of metal or carbides or borides of transition metals.
Low confidence regions are areas for which there s a small amount of DNA evidence found in your sample. All ethnicities with predicted percentages of less than 4.5% appear as low confidence regions. Inferior complex is low complex .
Quick Answer. Low hematocrit may indicate a low number of red blood cells, a large number of white blood cells, mineral or vitamin deficiencies, or blood loss, according to Mayo Clinic. This test measures the amount of red blood cells in comparison to other blood cells.