The graphical and Standard Methods for the determination of biochemical oxygen demand (BOD) were compared. Average means ± standard deviation of 228 ± 28 mg/L and 199 ± 25 mg/L for the Standard ...

This is a preview. Log in through your library . Abstract In this paper I develop a graphical method for visualizing and analyzing the effects of nutrient enrichment on the equilibrium characteristics ...

I SHOULD be glad if I could, through the columns of NATURE, elicit opinions from those who have taught mechanics from the beginning as to the advisability of either omitting graphical methods ...

THOUGH no one, I venture to think, will gainsay Mr. W. Larden's main contention that “analytical methods give a grasp of the principles of statics, while graphical methods disguise them,” yet it ...