Oil field operators can use several practical equations for calculating flow rates of natural gas through venturi gas-lift valves. For critical flow, this analysis derived such equations from a ...

Because race is a social construct, not a physical characteristic, the race coefficient may not be needed to calculate eGFR. Removing the race coefficient could increase the number of black ...

The Federal Reserve meets regularly and sets a target interest rate to keep inflation low and jobs high. But what if an equation could do all the work — and even do a better job? Darian Woods and Mary ...