How natural pigment is concentrated can affect taste, shelf life and efficiency of use, but the latest technological advances ...

The concentration of the acid or base, like all substances, is how many particles are present in a certain volume of a solution. Higher concentrations have a greater effect on the pH than lower ...

In a new paper, Robert Kulick and Andrew Card find no general trend towards increasing industrial concentration in the U.S. economy from 2002 to 2017.

Yuxi Zheng, Concentration in Sequences of Solutions to the Nonlinear Klein-Gordon Equation, Indiana University Mathematics Journal, Vol. 40, No. 1 (Spring, 1991), pp. 201-235 ...