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 ...

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 ...

Graphical displays deserve to be a routine part of seasonal adjustment, and their routine use is now feasible because of the current revolution in computer graphical hardware and software. We present ...

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 ...