Mathematical Modelling and Optimisation of Low-Temperature Drying on Quality Aspects of Rough Rice

Table 1

Experimental ranges in actual and coded form.

Variable	Symbol	Coded values
		−1.682	−1	0	1	1.682
Temperature (°C)	X1	16.48	25	37.5	50	58.52
Time (min)	X2	197.73	300	450	600	702.27
Velocity (m/s)	X3	0.66	1	1.5	2	2.34