| 摘要 |
A unit for cultivating macrophytes with working volumes with a height-to-width ratio of at least 1.5, having cross profiles of the bottom shaped as a fourth-sixth part of the cross-section of the cylinder adjoining to high side walls under a right angle, and low walls, made of light-resistant material, equipped with longitudinal perforated air ducts, arranged in deep parts thereof, spouts for delivering and slots for discharging a nutrient medium, gas-exchangers, a block for regulating pH with pH sensors and a set of signal electrodes, a commutation switch, an executing mechanism to deliver carbon dioxide into the gas exchangers, lighting fixtures with a vertical set of luminescent lamps, around which working volumes are grouped in pairs. Said working volumes, which are additionally equipped with rotors, rotating on the axles, fixed on end walls, with six spring-loaded rotary blades, filled with air, made of transparent material, and auxiliary perforated air ducts with independent regulation of air delivery. |
