Empirical Formulas

ISBN: 9781332054206 出版年：2016 页码：149 Theodore R Running Forgotten Books

IN the results of most experiments of a quantitative nature, two variables occur, such as the relation between the pressure and the volume of a certain quantity of gas, or the relation between the elongation of a wire and the force producing it. On plotting the sets of corresponding values it is found, if they really depend on each other, that the points so located lie approximately on a smooth curve.