Table 4. The STD of background fluctuation at the beginning and end of the dehydration experiment.

	Time(min)	Std 1	Std 2	Std 3	Std 4	Average	Weight[Kg]	∆Weight (%)
Subject #1	0	0.0372	0.0321	0.0338	0.0406	0.0359	74.4	0.67
	70	0.0767	0.1264	0.1363	0.0611	0.1	73.9
Subject #2	0	0.0331	0.0402	0.0334	0.0314	0.0345	95.5	0.52
	70	0.0678	0.0763	0.0725	0.0845	0.0752	95
Subject #3	0	0.0502	0.0542	0.1032	0.084	0.0729	83.9	1.31
	70	0.0672	0.0628	0.0743	0.093	0.0743	82.8