For a two-product distillation column (top and bottom product), there are typically five degrees of control freedom (control valves): 1  Reflux flow. 2  Top product flow. 3  Reboiler heat input flow.  Bottom product 1  flow. Pressure control valve (the specific location depends upon how the pressure is controlled).
What is that patch your coach is wearing? This weekend it is likely the coach of your favorite team - and the coach of the team he is competing against - will be wearing a patch on their shirt or jacket. College football coaches nationwide will join together this weekend in support of the Coach To Cure MD program, which will be held during games Saturday.
The NCAA, NBA [PDF], and WNBA [PDF] all enforce this general guideline. âOpposing team uniforms shall be of contrasting colors,â reads the official NCAA menâs basketball rule book. âThe home team shall wear light game jerseys and game shorts and the away team shall wear dark game jerseys and game shorts. This rule may be altered by mutual consent of the competing institutions.â How did this tradition start? Americaâs pastime probably had something to do with it. Towards the turn of the 20th century, Major League Baseball clubs began touting dark blue, black, or (usually) gray jerseys on the road, and white ones at home. Back in those days, teams sometimes had difficulty finding laundry services outside of their own cities.