All Answers (3) 1  Dear Sam Fenwick, The reflux ratio is indeed a sensitive operating variable and affects a daily profit. The optimal reflux ratio is closely related to the feed mole fraction, feed quality, relative volatility, and a separation factor which itself was a function of overhead and bottoms composition.
It is said that there are only 20 known cases of Pretzel Syndrome, a genetic disorder that occurs exclusively in the Plain Sect Communities. Learn about this tragic disease that claims most of its victims by age six.
What is SjÃ¶gren's syndrome? SjÃ¶gren's syndrome (say SHOH-grins) is a disease in which the immune system attacks the glands that make moisture for the body, such as tears and saliva . The damage keeps the glands from working the way they should and makes your eyes and mouth dry. The disease may also cause other problems, such as fatigue and pain in the joints.