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.
Pretzels originated in Europe, possibly among monks in the Early Middle Ages. The traditional pretzel shape is a distinctive nonsymmetrical form, with the ends of a long strip of dough intertwined and then twisted back into itself in a certain way (a pretzel loop). In the 2010s, pretzels come in a range of different shapes. Salt is the most common seasoning for pretzels, complementing the washing soda or lye treatment that gives pretzels their traditional skin and flavor through the Maillard reaction; other seasonings include various cheeses, sugars, chocolate, glazes, seeds, or nuts.