Properties influenced by organic matter include: soil structure; moisture holding capacity; diversity and activity of soil organisms, both those that are beneficial and harmful to crop production; and nutrient availability.
How Do Oxygen Concentrators Work? How Do Oxygen Concentrators Work? An oxygen concentrator, or an O2 concentrator, sometimes referred to as an oxygen machine or oxygen generator, takes in the ambient air that we breathe and removes or scrubs out the nitrogen, leaving the other gases found in the air, most of which is highly concentrated oxygen.
Pranav Kaistha, co-founder OxygenTimes.com. Views. In simple words, Portable Oxygen Concentrator (POC) is a medical equipment which works on rechargeable battery & provides 90-95% pure Oxygen via nasal cannula; and as Ahmed Sayed Al-Fatah correctly said, it uses Molecular sieve to separate Oxygen from air. POCs can be carried on shoulder, back or movable cart.