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r********h 发帖数: 5638 | 2 Reverse osmosis (RO) is a water purification technology that uses a
semipermeable membrane. This membrane technology is not properly a
filtration method. In reverse osmosis, an applied pressure is used to
overcome osmotic pressure, a colligative property, that is driven by
chemical potential, a thermodynamic parameter. Reverse osmosis can remove
many types of molecules and ions from solutions, and is used in both
industrial processes and producing potable water. The result is the solute
is retai... 阅读全帖 |
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j*********3 发帖数: 12 | 3 Hey,
Looking for a female roomie to rent a two-beds room apartment near Beaumount
(royal oak) hospital.
A little info about me: female, will start residency in Beaumount this
summer. I am neat, quiet and nice person. If you are someone looking for a
place to stay as well, please contact me asap. Thank you : )
The best location for me is between 13-Big Beaver along the Crooks or
Collige. |
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h**********9 发帖数: 3252 | 4 martinez is probably done with his colligate football career. broken toes
and other injuries. |
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