Pressure-monitoring and -controlling apparatus maintains slight suction required on nutrient solution in apparatus described in "Tubular Membrane Plant-Growth Unit" (KSC-11375), while overcoming gravity effects on operation of system on Earth. Suction helps to hold solution in tubular membrane.
Monitoring And Controlling Hydroponic Flow
Sonstige
Keine Angabe
Factors Controlling Oxygen Delivery in ALS Hydroponic Systems
British Library Conference Proceedings | 2001
|NTRS | 1994
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